KR101953590B1 - Guider for concrete pile connection - Google Patents

Abstract

The present invention provides a guide device for connecting concrete piles. The guide device for connecting concrete piles comprises: a hollow-shaped device body unit disposed to cover the upper end portion of a lower pile embedded in the ground at a predetermined depth; a posture correction unit installed at the upper end of the device body unit, gripping an upper pile, and correcting a posture to enable the posture correction unit to coincide with a central axis of the lower pile; a lifting unit lifting the posture correction unit and lowering the lower pile for a preliminary welding line to be performed by allowing the lower end of the upper pile to come in contact with the upper end of the lower pile; and a welding formation unit installed in the device body unit and welding the preliminary welding line.

Description

[0001] GUIDE FOR CONCRETE PILE CONNECTION [0002]

The present invention relates to a guiding device for connecting concrete piles, in which a center of a lower pile is slightly aligned with a pile of upper pile, the lower end of the upper pile and the upper end of the lower pile are guided, And more particularly, to a guide device for connecting concrete piles which can be brought into close contact with each other.

In general, concrete piles are used to firmly support the load of civil engineering and building to reach the rock layer which can obtain the design supporting force to firmly support the civil engineering structure or the structure built on the soft ground.

These concrete files are constructed in such a way that the concrete piles are hit or buried to the underground rock layer in the state that foundation trenches have been completed.

The above-mentioned concrete pile is manufactured to a certain length due to the limit according to the loading length during transportation.

If the support layer is deep, connect another file to the concrete file with a certain length.

That is, connect the other file vertically on the file that hit the concrete file in the ground, and weld the connection part of the two files.

However, when two concrete files are connected, if the axis of the upper concrete file does not coincide with the axis line of the lower concrete file, there is a problem that the outer diameters of the two files are unstably connected. In addition, this causes problems such as a decrease in the bearing capacity of the concrete pile and poor welding at the joint portion.

The prior art related to the present invention is Korea Registered Patent Registration No. 10-1628698 (registered on 2016.06.02).

The first object of the present invention is to provide a concrete file connecting guide device capable of making the center of the lower file and the upper end of the lower file coincide with each other, .

It is a second object of the present invention to provide a method of manufacturing a semiconductor device, which is characterized in that a welded portion is formed on a line abutting against each other after upper and lower files are brought into contact with each other and heat generated during welding is discharged to the outside, And to provide a guide device for a concrete pile connection.

A third object of the present invention is to provide a guiding device for a concrete pile connection which can prevent a defect in a welded portion by improving the welding environment by forcibly circulating the outside air in a region where the upper and lower pile are in contact with each other.

In order to achieve the above object, the present invention provides a guide device for connecting concrete files.

The guide device for connecting concrete piles includes a hollow device body portion arranged to surround an upper end portion of a lower pile having a certain depth in the ground,

An attitude corrector installed at an upper end of the apparatus main body to pick up the upper file and to correct the attitude to coincide with the central axis of the lower file;

A lowering unit for lowering the upper file so that the lower end of the upper file and the upper end of the lower file come into contact with each other to form a preliminary welding line, And

And a weld forming part installed in the apparatus body part for welding the preliminary welding line.

Around the lower end of the device body,

A plurality of motors having motor shafts arranged to face the ground are installed,

Wherein an end of the motor shaft is connected to a screw member,

The plurality of motors are driven under the control of a controller,

When proximity sensors are installed at the lower end of the body of the apparatus and it is sensed that the lower end of the body of the apparatus is closely attached to the ground surface by the proximity sensors,

Preferably, the controller rotates the motor shaft by driving the plurality of motors, and the screw is rotated so as to be screwed into the ground.

Further,

And a plurality of lifting cylinders installed at a plurality of positions on the upper end of the apparatus body part, the lifting cylinder having an axis that is lifted and lowered under the control of the controller,

Wherein the posture correcting unit comprises:

A plurality of grip cylinders provided at the ends of the shafts and having grip shafts stretched and contracted along the horizontal direction,

A plurality of grip members provided at an end of the grip shaft for forcibly gripping an outer periphery of the upper file,

And a measuring unit installed to the apparatus main body so as to be rotatable along a horizontal direction and measuring the center position information of the upper file and the lower file,

The controller may variably adjust the degree of expansion and contraction of the grip axis of the plurality of grip cylinders so that the center position information of the upper file and the lower file coincide with each other.

The measuring instrument further includes a rotating bar having a predetermined length and hinged to an upper end of the apparatus body part at one end,

An image acquirer installed at the other end of the rotary bar for acquiring a lower image of the upper file and an upper image of the lower file;

And a rotation motor connected to the hinge via a rotation shaft for rotating the rotation shaft under the control of the controller,

The controller may process the lower image of the upper file and the upper image of the lower file to calculate center information of the upper file and the lower file as coordinate information.

Particularly,

A movable rail formed on an inner circumference of the apparatus body portion,

A welding machine installed to move along the moving rail,

And a linear motor connected to the moving rail for moving the welding machine under the control of the controller,

The controller comprising:

Preferably, the welder is moved along the moving rail while the welds are formed in the preliminary welding line through the welder.

Further, a first flow path is formed in the apparatus body portion,

The first flow path exposes the welded portion to the outside of the apparatus body portion,

In the first flow path, a first pump is provided,

Preferably, the first pump supplies the outside air to the welding portion by forcibly introducing the outside air through the first flow path under the control of the controller.

In addition, a second flow path is formed in the apparatus body portion,

The second flow path exposes the welded portion to the outside of the apparatus body portion,

A second pump is installed in the second flow path,

And the second pump discharges the air having the peripheral heat of the welded portion to the outside of the apparatus body through the second flow path under the control of the controller.

In addition, a cooling coil is provided on the inner periphery of the apparatus body portion,

The cooling coil is cooled to a predetermined temperature by receiving a current from the current supplier,

A temperature measuring device for measuring the temperature of the welded portion in a non-contact manner is provided on the inner periphery of the apparatus body portion,

The controller preferably cools the cooling coil using the current current supplier such that the measured temperature is at a predetermined reference welding temperature.

Further, a guide portion is further provided in the hollow of the apparatus body portion,

The guide portion

And a linear movement part connected to a lower end of the inclined part,

An upper end of the inclined portion is disposed at an upper end of the apparatus body portion,

Wherein the linear moving part is disposed in the hollow of the apparatus body part,

Wherein the inclined portion is inclined to the lower end of the upper pile to guide the downward movement,

Preferably, the linear moving part guides the lower end of the upper file, which is moved downward, closely to the upper end of the lower file.

Further, on the upper periphery of the apparatus body portion,

A plurality of first cylinders are provided, the plurality of first cylinders each have a first axis to be elevated,

Each of the first shafts is connected to an upper end of the inclined portion.

The controller may drive the plurality of first cylinders after the upper end of the lower file is brought into close contact with the lower end of the upper file to raise the guide to a predetermined position.

Further, a trajectory is provided on the outer side of the grip member. Both ends of the orbit are rotatably supported by a pair of rollers. The pair of rollers are rotated by driving of a driver. The orbit is then rotated.

The trajectory is brought into close contact with the outer peripheral surface of the upper pile, and the upper pile can be raised and lowered finely as the trajectory rotates.

The present invention has the effect that the lower end of the upper file and the upper end of the lower file can be brought into close contact with each other so that their centers are aligned with each other after the center of the lower file is in a state of gripping the upper file .

In addition, the present invention can solve the problem that heat is concentrated due to welding in the local region by forming welds on the lines which are in contact with each other after the upper and lower files are in contact with each other, Effect.

In addition, the present invention has an effect of preventing a defect in a welded portion by improving the welding environment by forcibly circulating the outside air in a region where the upper and lower files are in contact with each other.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing the construction of a guide device for a concrete file connection according to the present invention. FIG.
2 is a view showing a configuration of a guide device for connecting a concrete file in which a measuring instrument and first and second flow paths are formed according to the present invention.
FIG. 3 is a view showing a state where an upper file is gripped through a guide device for connecting a concrete file according to the present invention.
4 and 5 are views showing a process of correcting the posture of the upper file through the guide device for connecting concrete files according to the present invention.
6 is a view showing a state in which the upper file is in contact with the upper end of the lower file through the guide device for connecting concrete files according to the present invention.
FIG. 7 is a view illustrating a state in which a welded portion is formed in a state where an upper file is in contact with an upper end of a lower file through a guide device for connecting a concrete file according to the present invention.
8 is a view showing an example in which the auxiliary grip portion is further formed on the grip member according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings so that those skilled in the art can easily carry out the present invention.

The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

Hereinafter, the term "an upper (or lower)" or a "top (or lower)" of the substrate means that any structure is disposed or arranged in any manner, as long as any structure is provided or disposed in contact with the upper surface .

Furthermore, the present invention is not limited to a configuration that does not include any other configuration between the substrate and any configuration provided or disposed on (or under) the substrate.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a guide device for connecting concrete files according to the present invention will be described with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing the construction of a guide device for a concrete file connection according to the present invention. FIG. 2 is a view showing a configuration of a guide device for connecting a concrete file in which a measuring instrument and first and second flow paths are formed according to the present invention. FIG. 3 is a view showing a state where an upper file is gripped through a guide device for connecting a concrete file according to the present invention. 4 and 5 are views showing a process of correcting the posture of the upper file through the guide device for connecting concrete files according to the present invention. 6 is a view showing a state in which the upper file is in contact with the upper end of the lower file through the guide device for connecting concrete files according to the present invention. 7 is a view showing a state where a welded portion is formed in a state where the upper file is in contact with the upper end of the lower file through the guide device for connecting concrete files according to the present invention.

1 to 7, the guide device for connecting concrete piles of the present invention includes a hollow device body 100 disposed to surround an upper end of a lower pile 10, An attitude corrector 200 installed at an upper end of the apparatus main body 100 for picking up the upper file 20 and correcting the attitude to coincide with the central axis of the lower file 10, 200) for lowering the upper pile (20) and lowering the upper pile (20) such that the lower end of the upper pile (20) comes into contact with the upper end to form a preliminary welding line, And a welding forming part 400 installed in the welding part 100 for welding the preliminary welding line.

A plurality of motors 110 having a motor shaft 111 disposed to face the ground are installed around the lower end of the apparatus body 100.

The end of the motor shaft 111 is connected to the screw member 120.

The plurality of motors 110 are driven under the control of the controller 500.

When proximity sensors 130 are installed at the lower end of the apparatus body 100 and it is detected that the lower end of the apparatus body 100 is closely attached to the ground surface by the proximity sensors 130, The motor shaft 500 rotates the motor shaft 111 by driving the plurality of motors 110 and the screw member 120 is rotated so as to be screwed into the ground.

The elevating unit 300 includes a plurality of elevating cylinders 310 disposed at a plurality of positions around the upper end of the apparatus body 100 and having a shaft 311 that is lifted and lowered under the control of the controller 500 .

The posture correcting unit 200 includes a plurality of grip cylinders 210 provided at an end of the shaft 311 and having a grip shaft 211 that is stretchable and contractible along the horizontal direction, A plurality of grip members 220 for forcibly gripping the outer periphery of the upper pile 20 and a plurality of grip members 220 installed to be rotatable along the horizontal direction on the apparatus main body 100, And a measuring device 230 for measuring the center position information of the lower pile 10.

The controller 500 variably adjusts the degree of expansion and contraction of the grip shaft 211 of the plurality of grip cylinders 210 so that the center position information of the upper file 20 and the lower file 10 coincide with each other do.

The measuring device 230 includes a rotating bar 231 having a predetermined length and one end connected to the upper end of the apparatus body 100 by a hinge H and a rotating bar 231 provided at the other end of the rotating bar 231, An image acquiring unit 232 for acquiring a lower image of the upper file 20 and an upper image of the lower file 10 and an image acquiring unit 232 connected to the hinge H via a rotary shaft, And a rotary motor 233 for rotating the rotary shaft.

The controller 500 processes the lower image of the upper file 20 and the upper image of the lower file 10 to process the center position information of the upper file 20 and the lower file 10, Information.

Particularly, the weld forming part 400 includes a moving rail 410 formed on the inner circumference of the apparatus body 100, a welding machine 420 installed to move along the moving rail 410, And a linear motor 430 connected to the rail 410 for moving the welder 420 under the control of the controller 500.

The controller 500 moves the welder 420 along the moving rail 410 and forms a weld in the preliminary welding line through the welder 420.

A first flow path 610 is formed in the apparatus main body 100.

The first flow path 610 exposes the welded portion to the outside of the apparatus main body 100.

A first pump 620 is installed in the first flow path 610.

The first pump 620 forcibly flows the outside air through the first flow path 610 according to the control of the controller 500 and provides the outside air to the welding part.

In addition, a second flow path 710 is formed in the apparatus main body 100.

The second flow path 710 exposes the welded portion to the outside of the apparatus body 100.

A second pump 720 is installed in the second flow path 710.

The second pump 720 discharges the air around the welded portion to the outside of the apparatus body 100 through the second flow path 710 under the control of the controller 500.

A cooling coil 800 is installed on the inner circumference of the apparatus body 100.

The cooling coil 800 is supplied with current from the current supplier 810 and cooled to a predetermined temperature.

In the inner periphery of the apparatus main body 100, a temperature measuring instrument 820 for measuring the temperature of the welded portion in a non-contact manner is provided.

The controller 500 cools the cooling coil using the current current supplier 810 such that the measured temperature is at a predetermined reference welding temperature.

Further, a guide portion 900 is further provided in the hollow of the apparatus body portion 100.

The guide portion 900 includes an inclined portion 910 and a linear movement portion 920 connected to a lower end of the inclined portion 910.

The upper end of the inclined portion 910 is disposed at the upper end of the apparatus main body 100.

The linear moving part 920 is disposed in the hollow of the apparatus body part 100.

The inclined portion 910 is in an oblique contact with the lower end of the upper pile 20 to guide downward movement.

The linear movement unit 920 guides the lower end of the upper file 20 moved downward closely to the upper end of the lower file 10.

A plurality of first cylinders 930 are installed around the upper end of the apparatus body 100 and each of the first cylinders 930 includes a first shaft 931 which is vertically moved.

Each of the first shafts 931 is connected to the upper end of the inclined portion 910.

The controller 500 drives the plurality of first cylinders 930 after the upper end of the lower pile 10 is brought into close contact with the lower end of the upper pile 20, .

According to the above-described structure and operation, the present invention can achieve an effect that the lower end of the upper file and the upper end of the lower file can be brought into close contact with each other so that their centers are aligned with each other after the center of the lower file is in a state of gripping the upper file .

In addition, the present invention can solve the problem that heat is concentrated due to welding in the local region by forming welds on the lines which are in contact with each other after the upper and lower files are in contact with each other, Effect.

In addition, the present invention has an effect of preventing a defect in a welded portion by improving the welding environment by forcibly circulating the outside air in a region where the upper and lower files are in contact with each other.

8 is a view showing an example in which the auxiliary grip portion is further formed on the grip member according to the present invention.

Referring to FIG. 8, a track 250 is installed on the outer side of the grip member 220. Both ends of the track 250 are rotatably supported by a pair of rollers 251. The pair of rollers 251 are rotated by the driving of the driver 260. The orbit 250 is then rotated. The driver (260) is driven under the control of the controller (500).

The track 250 is in close contact with the outer circumference of the upper pile 20 and the upper pile 20 can be raised and lowered finely as the orbit 250 rotates.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

10: Lower file
20: Upper file
100:
200:
210: Grip cylinder
220: grip member
230: Measuring instrument
300:
310: lifting cylinder
400:
410: moving rail
420: Welding machine
430: Linear motor
500: controller
800: Cooling coil
900: guide portion
930: First cylinder

Claims (4)

A hollow device body disposed to surround an upper end of the lower pile to be embedded in the ground at a predetermined depth;
An attitude corrector installed at an upper end of the apparatus body to pick up the upper file and to correct the attitude to match the central axis of the lower file;
A lowering unit for lowering the upper file so that the lower end of the upper file and the upper end of the lower file come into contact with each other to form a preliminary welding line, And
And a welding forming part installed in the apparatus body part for welding the preliminary welding line,
Around the lower end of the device body,
A plurality of motors having motor shafts arranged to face the ground are installed,
Wherein an end of the motor shaft is connected to a screw member,
The plurality of motors are driven under the control of a controller,
When proximity sensors are installed at the lower end of the body of the apparatus and it is sensed that the lower end of the body of the apparatus is closely attached to the ground surface by the proximity sensors,
The controller comprising:
The motor shaft is rotated by driving the plurality of motors, and the screw is rotated so as to be screwed into the ground,

The elevating unit includes:
And a plurality of lifting cylinders installed at a plurality of positions on the upper end of the apparatus body part, the lifting cylinder having a shaft lifted and lowered under the control of the controller,
Wherein the posture correcting unit comprises:
A plurality of grip cylinders provided at the ends of the shafts and having grip shafts stretched and contracted along the horizontal direction,
A plurality of grip members provided at an end of the grip shaft for forcibly gripping an outer periphery of the upper file,
And a measuring unit installed to the apparatus main body so as to be rotatable along a horizontal direction and measuring the center position information of the upper file and the lower file,
The controller comprising:
Wherein the degree of expansion and contraction of the grip shaft of the plurality of grip cylinders is variably adjusted so that the center position information of the upper file and the lower file are mutually coincident with each other.
delete delete The method according to claim 1,
The measuring device includes:
A rotary bar hinged to one end of the device body part at one end,
An image acquirer arranged at the other end of the rotary bar for acquiring a lower image of the upper file and an upper image of the lower file;
And a rotation motor connected to the hinge via a rotation shaft for rotating the rotation shaft under the control of the controller,
Wherein the controller processes the lower image of the upper file and the upper image of the lower file to calculate center information of the upper file and the lower file as coordinate information.

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