KR101719246B1 - Apparatus for pressing open caisson - Google Patents

Abstract

The present invention relates to a device to press a collecting well using a steel pile as a foundation, capable of pressing a collecting well into the ground using a plurality of steel piles placed outside the collecting well as a foundation. The device comprises: an anchor including a main pipe fixated inside the steel piles, and a round bar fixated inside the main pipe and exposed to an upper part to receive a tensile load; a pressing truss compressing a pressing frame connected with an end part of a horizontal member, including a vertically penetrated insertion hole formed on the edge, and pressing the collecting well placed on a bottom into the ground through its weight, and a connection round bar inserted into the insertion hole to be connected with the round bar to guide a vertical movement of the pressing frame; a guide cover fixated to an edge of the pressing frame; and a double-action center hole cylinder installed to be penetrated by the connection round bar, and controlling a height of the pressing frame through operation of a rod attached to an inner upper surface of the guide cover.

Description

{APPARATUS FOR PRESSING OPEN CAISSON} <br> <br> <br> Patents - stay tuned to the technology APPARATUS FOR PRESSING OPEN CAISSON

The present invention relates to a concentric press-fitting device based on a steel pipe pile, and more particularly, to a concentric press-fitting device based on a steel pipe pile capable of installing a steel pipe pile and facilitating press- Technology.

In general, the openings (open casing) means facilities that supply groundwater by installing it around a triangle of rivers or rivers for use in industrial water and domestic water.

The above-mentioned collecting is performed by forming a cylindrical or elliptical concrete wall on the ground underground, then pressuring the concrete into the underground after curing the concrete in 1 LOT to complete the collecting facility by installing it to the intended depth of the underground, .

Conventionally, it is possible to shake the collected concrete structure by using a crane or excavation bucket equipment, to repeatedly sink the steel material, or to put the diver in the inner part of the collected concrete structure when the natural settlement does not occur. It is a very extreme task to install explosives under a curb shoe by the horn of a diver and to manually dig down under the curved shoe in the opposite direction.

There is a delay in operation due to this, and there is a case of precision construction worker accidents. In this case, there is a case in which the objective concrete structure is cracked or damaged, and the waterproofing works are separately constructed.

In addition, since the condensed concrete structure is not seated precisely, the surrounding piping equipment is not constructed as originally planned, and the design is altered to cause a huge loss of replacing or repairing the surrounding piping equipment. And a special manager who is qualified to deal with dangerous goods (gunpowder) should be employed separately.

In relation to the present invention of the present applicant, a patent has been filed and registered with respect to a "method of installing and fixing a house using a press-fitting device".

The present invention relates to a method for installing a collecting fixture using a press-fitting device, the method comprising: a collecting space forming step of forming a receiving part for collecting the soil on the ground; A collecting base work process for producing a mold for installing a collecting fixture on the seating portion and installing an anchor; A dust collecting step of collecting dust in the seating part; A collecting press-fitting preparation step of providing a press-fitting device for press-fitting the collecting fixture in an anchor; And a collecting press-fitting step of press-inserting the collecting compaction under the ground using the press-fitting apparatus, wherein the collecting and fixing step, the collecting press-fitting preparation step, and the collecting press-fitting step are repeatedly performed, The method of collecting and installing the compact by using the press-fitting device can improve the working time and the working efficiency, and it is possible to reduce the cost according to the conventional on-site production and precisely construct the collecting due to the hydraulic cylinder.

However, conventionally, as shown in FIG. 1, since a large area of the ground is required to be installed in order to install the anchor 14 and the collector 12, there is a problem that the work takes a lot of time. After the completion of the construction, There has been a problem. It is difficult to connect with the press-fitting device due to inclination of the anchor installed in the ground, and when the anchor round bar is larger than the allowable stress, it can not be replaced or the anchor round bar can not be replaced. There has been a problem of disposal and reworking.

KR 10-1188383 B1

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a steel pipe pile which can easily insert anchor into the inside by using a steel pipe pile, To provide an apparatus for clamping and inserting molds.

In order to achieve the above object, according to the present invention, there is provided a collecting press-fitting apparatus based on a steel pipe pile, in which a plurality of steel pipe piles are located outside the collecting compartment and press- A main pipe fixed to the inside of the steel pipe pile, and an anchor consisting of a round bar fixed to the inside of the main pipe and exposed to the top and subjected to a tensile load, and an end portion of the horizontal member and having an insertion hole penetrating upward and downward, An indentation truss inserted into the insertion port and connected at its lower end to the round bar to guide upward and downward movement of the press-fit frame; A guide cover fixed to an edge of the press-fit frame, and a guide bar provided so as to penetrate the connecting round bar, And a double acting center hole cylinder for adjusting the height of the press-fit frame by the action of a rod which is in close contact with the inner upper surface of the cover.

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According to the present invention having the above-described configuration, the following effects can be expected.

First, it is possible to easily insert an anchor into the inside by using a steel pipe pile without installing a large amount of ground in order to install an anchor and a house fix, and it is also possible to easily perform press fitting of the house.

In addition, the press-in frame can be moved up and down by the double-acting center hole cylinder, so that the press-fit frame can be lowered to pressurize the corrugation to the ground. After pressurization, the press-in frame can be lifted to the double- It can be disassembled.

FIG. 1 is a view illustrating an example of a conventional collecting installation.
FIG. 2 is a configuration diagram of a concentrate press-fitting apparatus based on a steel pipe pile according to an embodiment of the present invention.
3 is a detailed configuration diagram of the anchor of Fig.
Fig. 4 is a detailed configuration diagram of the indentation truss of Fig. 2. Fig.
Fig. 5 is a flowchart of a method of collecting and installing a compact using a compacting press-fitting device based on a steel pipe pile.
6 shows an example of the steel pipe pier press-in step (S1), the drilling step (S2), and the anchor inserting step (S3) in the process of FIG.
Fig. 7 shows an example of the collecting and inserting step (S5) and the collecting and installing step (S4) in the process of Fig.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 2 is a schematic view of a concentric press-fitting device based on a steel pipe pile and a steel pipe pile of the present invention, FIG. 3 is a detailed configuration diagram of the anchor of FIG. 2, .

The present invention mainly refers to FIG. 2, which shows an overall view, and will be referred to FIGS. 3 and 4, if necessary.

Referring to FIG. 2, a plurality of steel pipe piles 100 (four steel pipe piles in the present invention) are located outside the steelmaking pile and a steel pipe pile is used to pressurize the steelmaking pile into the ground. The present invention includes an anchor (200), an indentation truss (300), a guide cover (400), and a double acting center hole cylinder (500).

The anchor 200 includes a main pipe 220 inserted and fixed into the steel pipe pile 100 and a round bar 240 fixed in the main pipe 220 and exposed to an upper portion to receive a tensile load . Here, the main pipe 220 of the anchor 200 may be fixed by placing concrete into the steel pipe pile 100.

The anchor 200 is shown in detail in Fig. 3, the anchor 200 includes a trough 210, a hollow main tube 220 provided on the trough 210, and a lifting ring 232 provided on the main tube 220 The main body of the present invention is characterized in that the main body includes a main body having a main body and a main body having a main body and a main body, And a bushing nut 250 for fastening the lower side of the round bar by the rotation of the round bar 240.

The indentation truss 300 is formed with an insertion port 324 (shown in FIG. 4) in the form of a "fall-through" in the form of a truss-like tube which is connected to the ends of the horizontal member 322 Shaped press-in frame 320 for bringing the collection crystal into close contact with each other, and a connecting round bar 340 inserted into the insertion hole and connected at its lower end to the round bar 240. Here, the connecting round bar 340 serves as a guide for moving the press-fit frame 320 up and down, and can be easily connected to the round bar 240 by a connecting bushing nut. 4, the horizontal member 322 is formed of an I- or H-type beam and is connected to each of the ends to form a squiggle type press-fit frame 320, And the buckling preventing member 323 is further formed. Here, the buckling member can use a V-section (ANGLE) or a C-section (CHANNEL) and can compensate for vertical loads for deflection and buckling.

Current beam type I or H beams are not enough for vertical load and buckling when large capacity indentation truss is used. Allowable stress is insufficient. Large capacity is damaged by vertical reinforcement and concrete wall is damaged or cracked.

4, the insertion port 324 is slidably inserted into the connecting round bar 340 in the form of a "reducer" whose diameter gradually increases toward the lower end, There is an advantage that the press-in frame 320 can be easily connected to the connecting round bar 340 installed at the four points after being lifted up.

The guide cover 400 is fixed to an edge of the press-fit frame 320 and is installed at a position where the connecting round bar 340 is located.

Here, the guide cover 400 can move up and down the rod by the inflow and outflow of fluid from the double acting center hole cylinder 500 to the press-fit frame 320, A cylinder cover capable of receiving the center hole cylinder 500 inside and a cover plate on the cylinder cover.

The double acting center hole cylinder 500 is installed inside the guide cover 400 so that the rod is raised or lowered according to the direction of inflow and outflow of the fluid to press and support the inside of the upper portion of the guide cover 400, The press-fit frame 320 connected to the cover is raised or lowered along the longitudinal direction of the connecting round bar 340 so that the collecting cores are pressed into the ground at the time of descending. Further, since the double-acting center hole cylinder 500 can raise the press-fit frame 320 when the rod is lifted, there is no need for additional equipment and a crane.

Here, the double acting center hole cylinder 500 has a center hole in the plunger, and the rod is inserted and fixed in the center of the plunger, and the plunger advances, and at the same time, the rod is operated to push and pull. The connecting round bar can be fixed or released by movement of the connecting round bar.

The press-fitting truss 300 is provided with a support post 620 provided at the lower portion of the press-fit frame and a roller 640 formed at the end of the support post and resiliently supported by elasticity, The inner guide device 600 is further provided, and it is possible to prevent the inner surface of the roller 640 from tilting at the time of press-fitting.

The anchor 200 is provided with a support post 720 formed on the upper portion of the anchor and an outer guide 740 formed of an end portion of the support post and a roller 740 elastically supported by elasticity, The apparatus 700 is further provided, and it is possible to prevent a phenomenon in which the collecting cores are inclined at the time of press-fitting by the roller 740 from being supported from the outside.

The following is a detailed description of the method of installing the pile-based pile-based collecting press fitting device.

Fig. 5 is a flowchart of a method of collecting and installing a compact using a compacting press-fitting device based on a steel pipe pile.

5, a steel pipe pile press-fitting apparatus based on a steel pipe pile including an anchor provided at a lower portion thereof and an indentation truss connected to an upper portion of the anchor and press- An excavation step S2, an anchor inserting step S3, a collecting step S4, and a collecting press-fitting step S5.

Firstly, it is necessary to display the survey to be installed on the steel pile pile and the house by making the ground even before proceeding each process.

6 shows an example of the steel pipe pier press-in step (S1), the drilling step (S2), and the anchor inserting step (S3) in the process of FIG.

In the steel pipe piercing process (S1), a plurality of steel pipe piles are hit by hydraulic hammer, drop hammer, diesel hammer and vibro hammer in the ground. The soil and gravel inside the steel pipe pile are covered with an auger screw, and a certain amount of foundation concrete is poured into the inside of the pile. Since the upper portion of the steel pipe pile is deformed by the impact, it is desirable to cut a part of the upper portion.

In this case, a plurality of steel pipe piles are used. In order to stably press-fit the steel tube piles, it is preferable to install four steel tube piles at regular intervals, and to collect the steel tube piles therebetween.

In case of occurrence of incapability due to the boiling phenomenon of the pressurized ground water, the reverse power unit can be operated to press the stand pipe connected to the suction hose into the ground to solve the incapability of cutting.

In the excavation step S2, the ground around the steel pipe pile is excavated in correspondence with the placement height of the foundation concrete to form an accumulation landing groove.

A diagonal member installation step may be further provided between the excavation step (S2) and the anchor insertion step (S3) described below, wherein a reinforcing member (323) for preventing the inclination of the steel pipe pile .

In the anchor insertion step S3, the anchor is inserted into the steel pipe pile so as to be positioned on the foundation concrete, and the concrete is poured into the steel pipe pile.

Fig. 7 shows an example of the collecting and inserting step (S5) and the collecting and installing step (S4) in the process of Fig.

Referring to Fig. 7, the dust collecting and installing step S4 forms a dust collecting groove in the receiving groove.

In the step S4, the reinforcing bars are arranged at the upper and lower ends. A plurality of curved unit bodies are bolted to form a cylindrical curved shoe. The curved shoe is bolted to the upper end of the curved shoe, Forming a cylindrical upper connection foam by bolting a plurality of upper connection foam unit pieces, forming a cylindrical band foam foam at the upper end of the upper connection foam, then pouring the wall concrete, dismounting the upper connection foam, ; &Lt; / RTI &gt;

The collecting press-fitting step (S5) is connected to the press-fitting truss at the upper portion of the anchor, and presses the collecting pressurized by the self-weight of the press-in frame of the press-fitting truss into the ground.

The press-fitting device includes a main pipe (220) fixed to the inside of the steel pipe pile, and a round bar which is fixed in the main pipe and exposed to the top and is subjected to a tensile load, The anchor 200 consisting of the anchor 200 and the horizontal member 322 are connected to each other and the end of the horizontal member 322 is connected to the bottom of the anchor frame. And a connecting round bar (340) inserted into the insertion port and connected to the round bar to guide the upward and downward movement of the press-fit frame. The press-fitting truss is fixed to the edge of the press- A guide cover (400), which is provided so as to penetrate the connecting round bar, and a rod which is in close contact with an inner upper surface of the guide cover to adjust a height of the press- Characterized by consisting of; further 500.

In this case, the double-acting center hole cylinder 500 can adjust the height of the press-fit frame for pressurizing the gathering by the operation of the rod. The double-acting center hole cylinder 500 is formed so as to correspond to the edges of the press- The operation of the rod of each double-acting center hole cylinder 500 is controlled to pressurize the corrugation while maintaining the level of the press-fit frame, thereby preventing breakage of the press-in frame and the corrugation.

In order to connect the anchor to the indentation truss, the connecting rod of the anchor and the indentation truss are first connected to each other, and then the round bar is connected to both sides of the connecting rod by the adjusting screw It is preferable that the press-fit frame be inserted into the round bar.

This is because the structure of the collecting press-fitting apparatus based on the steel pipe pile of the present invention described above has been described and will not be described here.

As described above, it can be seen that the present invention provides a collecting press-fitting device based on a steel pipe pile as a basic technical idea. Within the scope of the basic idea of the present invention, Of course, many other variations are possible for those who have.

100: Steel pipe pile 200: Anchor
210: main tube 220: main tube
230: salvage plate 240: round bar
250: Bushing nut 300: Indentation truss
320: press-fit frame 340: connecting round bar
400: Guide cover 500: Double acting center hole cylinder
600: Inner guide device 620: Support post
640: roller 700: outer guide device
720: Support posts 740: Rollers

Claims (10)

And a plurality of steel pipe piles are located outside the collection fixture, and the steel pile pile is press-fitted into the ground based on the steel pipe pile,
An anchor 200 composed of a main pipe 220 fixed to the inside of the steel pipe pile and a round bar 240 fixed to the inside of the main pipe and exposed to the top and subjected to a tensile load;
A press-fit frame 320 which is inserted into the insertion port and has an insertion hole penetrating upwardly and downwardly at its edges, the press-fit frame 320 being pressurized by self-weight and press-fitting into the ground, An indentation truss (300) connected to the round bar and including a connecting round bar (340) for guiding upward and downward movement of the press - fit frame;
A guide cover 400 fixed to an edge of the press-fit frame,
And a double-acting center hole cylinder (500) which is installed to penetrate the connecting round bar and adjusts the height of the press-fit frame by operation of a rod which is in close contact with an inner upper surface of the guide cover. Fixing and fitting device for low temperature. The method according to claim 1,
The horizontal member 322 is formed of a beam of I or H type and is connected to each other to form a skull shape, and a buckling prevention member 323 is further formed on a side surface of the beam Compensating press fittings based on steel pipe piles. The method according to claim 1,
In the indentation truss 300,
And an inner guide device 600 formed of a support post 620 provided at the lower portion of the press-fit frame and a roller 640 formed at the end of the support post elastically supported by elasticity and closely contacting the inner surface of the inner surface Wherein the press-fitting device is formed of a steel pipe pile. The method according to claim 1,
In the anchor 200,
And an outer guide unit 700 formed of a support post 720 formed on the upper portion of the anchor and a roller 740 formed on the end of the support post and being elastically supported by elasticity and closely attached to the outer surface of the core, Wherein the press-fitting device is formed of a steel pipe pile. The method according to claim 1,
The insertion port (324)
And the diameter is increased toward the lower end of the steel pipe pile. The method according to claim 1,
The anchor (200)
However,
A hollow main tube provided at an upper portion of the trough,
A lifting plate provided on the main pipe and having a lifting ring,
A main pipe inserted into the main pipe and having both ends protruded above and below the main pipe;
And a bushing nut fixed to a lower side of the trough so that the lower side of the round bar is fastened by the rotation of the round bar. delete delete delete delete

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