KR101674820B1 - Auto welding apparatus for suppotting hardware of furnace - Google Patents

Auto welding apparatus for suppotting hardware of furnace Download PDF

Info

Publication number
KR101674820B1
KR101674820B1 KR1020150114743A KR20150114743A KR101674820B1 KR 101674820 B1 KR101674820 B1 KR 101674820B1 KR 1020150114743 A KR1020150114743 A KR 1020150114743A KR 20150114743 A KR20150114743 A KR 20150114743A KR 101674820 B1 KR101674820 B1 KR 101674820B1
Authority
KR
South Korea
Prior art keywords
body frame
support
blast furnace
welding
furnace
Prior art date
Application number
KR1020150114743A
Other languages
Korean (ko)
Inventor
최병철
이상호
민병대
황세연
Original Assignee
주식회사 포스코
에프엠글로벌 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코, 에프엠글로벌 주식회사 filed Critical 주식회사 포스코
Priority to KR1020150114743A priority Critical patent/KR101674820B1/en
Application granted granted Critical
Publication of KR101674820B1 publication Critical patent/KR101674820B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools, brushes, or analogous members
    • B08B1/001—Cleaning by methods involving the use of tools, brushes, or analogous members characterised by the type of cleaning tool
    • B08B1/005—Scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
    • B23K37/0217—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being fixed to the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0282—Carriages forming part of a welding unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0294—Transport carriages or vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0417—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for spherical work

Abstract

The present invention provides an automatic welding apparatus for support hardware of a furnace, comprising: a main body frame provided to be lifted to the inside of a furnace; a support unit provided between the main body frame and a wall of the furnace to press the wall of the furnace to support the main body frame; and a welding unit installed in the main body frame to weld the support hardware to the wall of the furnace. The support unit is installed to be rotated in the main body frame.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a welding apparatus,

The present invention relates to an apparatus for automatic welding of a supporting metal piece to a blast furnace for welding a supporting metal material for supporting a refractory provided on a furnace wall.

It should be noted that the contents described in this section merely provide background information on the present invention and do not constitute the prior art.

The blast furnace is a gigantic pressure vessel that receives high heat and pressure. It is designed to install stove and cooling plate of the same material to protect the roof of the furnace during operation, and to fix the heat and pressure by densely installing the orthopedic refractory.

However, as the number of years of use of blast furnace increases, the blast furnace's blast furnace is eroded due to thermal erosion and chemical erosion, and the blast furnace is abraded so that the stoves and refractories are worn out, There is a problem that breakage of the cooling unit and cracking, depression and melting of the blast furnace are caused.

Therefore, in order to prevent the interruption of the operation due to the damage of the iron due to the heat load, the irregular refractory having high heat insulation performance was installed and installed in the furnace inside the blast furnace through the spray device.

Approximately, to protect the iron fiber, a monolithic refractory is applied to the inner side of the roof of the furnace through a spray device in a period of 6 months to protect the furnace wall of the furnace with a thickness of 200 to 300 mm.

However, there arises a problem that the refractory of the irregular shape is easily abraded or dropped off due to impact friction and pressure caused by the contents of the refractory charged into the interior of the blast furnace.

In addition, since the irregular refractory material and the iron material have a limited adhesion as a dissimilar material, they are easily removed and need to be reworked. As a result, the blast furnace is rested for a long time (3 to 4 days)

An object of the present invention is to provide a brazing material automatic welding apparatus for a brazing furnace capable of easily and continuously installing supporting hardware on the furnace wall without the need of input of gravity into the inside of the blast furnace.

According to an aspect of the present invention, there is provided a refrigerator including: a main body frame which is vertically movable into a blast furnace; A support provided between the main body frame and the hearth wall of the blast furnace so as to support the main body frame by pressing the furnace wall of the blast furnace; And a welding part installed in the main body frame and welding the supporting hardware to the furnace wall of the blast furnace, wherein the supporting part is rotatably installed in the main frame, .

Preferably, the support portion and the welded portion are foldable to the main body frame and can be installed so as to be extendable in the furnace wall direction of the blast furnace.

Preferably, the supporting portion and the welding portion are provided so as to be foldable by means of a hinge shaft to a mounting bracket provided on the outer circumferential surface of the main body frame, and the multi-stage frame member is slidably provided to extend in the furnace wall direction of the blast furnace.

delete

Preferably, the support portion comprises: a multi-stage support frame rotatably installed on the rotation frame of the main body frame and extending in the furnace wall direction; And an elastic contact tip provided at the distal end of the support frame for elastically pressing the furnace wall of the blast furnace.

Preferably, the rotary frame is provided with a rack gear in the circumferential direction, and the rotary frame is rotated on the body frame while the pinion gear rotated by the driving means provided on the body frame is engaged with the rack gear.

Preferably, the support comprises: a first support member radially disposed in the body frame; And a second support member radially disposed on the main body frame at a height difference from the first support member.

Preferably, the second support member may be disposed in a space between the first support members adjacent in the circumferential direction of the main body frame.
According to another aspect of the present invention, there is provided a refrigerator comprising: a main body frame which is vertically movable into a blast furnace; A support provided between the main body frame and the hearth wall of the blast furnace so as to support the main body frame by pressing the furnace wall of the blast furnace; And a welding part installed on the body frame so as to be rotatable and movable up and down and welding the supporting hardware to the furnace wall of the blast furnace, wherein the main body frame has a first mounting bracket A first body frame member; And a second body frame member coupled to the first body frame member in such a manner that the second body frame member can be raised and lowered and the second mounting bracket being foldably installed.

delete

delete

Preferably, the welding portion includes: an extension frame installed to be able to be folded by a hinge shaft through a mounting bracket provided on an outer circumferential surface of the main body frame, the extension frame being slidable in a direction of the furnace wall while sliding a frame member; An automatic welding machine installed in the elongated frame for welding the supporting hardware to the furnace wall of the furnace; And a plurality of robotic arms provided to be movable in multiple axes while being connected to each other via a joint member, the robotic arm being provided with the support hardware as the automatic welder.

The apparatus may further include a foreign matter removing device provided on one side of the welded portion to remove foreign substances from the furnace wall attached to the welded portion of the support metal piece.

The apparatus may further include a monitoring device provided at one side of the welding portion and collecting image information of the welding process of the supporting hardware by the automatic welding machine.

According to an embodiment of the present invention as described above, the supporting hardware supporting the monolithic refractory installed in the furnace wall of the blast furnace can be installed simply and continuously, thereby minimizing the shutdown and improving the productivity of the operation.

According to an embodiment of the present invention, it is possible to prevent a safety accident of a worker without the need for direct input of gravity into the inside of the blast furnace.

According to an embodiment of the present invention, there is an effect that precision in welding of a supporting metal material to be welded to the supporting metal material in a state of being firmly supported by the supporting portion can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an apparatus for automatically welding a support metal in a blast furnace according to an embodiment of the present invention; FIG.
Fig. 2 is a view showing a state where a support portion and a weld portion of the automatic support metal fitting of the blast furnace of Fig. 1 are folded.
3 is a view showing a state in which a support portion and a weld portion of the automatic support metal fitting of the blast furnace of FIG. 1 are unfolded.
Fig. 4 is a view showing an enlarged detail of a dotted line portion in Fig. 1. Fig.
FIG. 5 is a plan view of an apparatus for automatically welding a support metal in a blast furnace according to an embodiment of the present invention.
FIG. 6 and FIG. 7 are views showing the details of the welding portion of the automatic support metal fitting of the blast furnace according to the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, the embodiments of the present invention can be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. Further, the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art. The shape and size of elements in the drawings may be exaggerated for clarity.

Hereinafter, a brazing iron hardware welding apparatus 10 according to an embodiment of the present invention will be described in detail with reference to the drawings.

Referring to FIGS. 1 to 7, an apparatus 10 for supporting a brazing steel material according to an embodiment of the present invention includes a body frame 100, a support 200, and a weld 300, Device 400, and a monitoring device.

1, a brazing and supporting hardware apparatus 10 for a blast furnace includes a main body frame 100 provided to be able to move up and down into a blast furnace F, A supporting part 200 provided between the upper and lower frames G to press the furnace wall G of the blast furnace F so as to support the main frame 100; And a welding portion 300 for welding the supporting hardware H to the furnace wall G of the furnace.

1, the support steel wire welding apparatus 10 of the blast furnace can be drawn into the interior of the blast furnace F by a drawing device E disposed on the upper side of the blast furnace F, (F) by a lifting wire (W1) connected to the lifting wire (100).

Although not shown, the support steel wire welding apparatus 10 of the blast furnace may be configured to be raised and lowered into the interior of the blast furnace F through an opening formed on the upper side of the blast furnace F by a facility such as a separate crane Of course it is.

A plurality of support portions 200 may be formed on the outer circumferential surface of the main body frame 100. One end of the support portion 200 may be formed on the outer circumferential surface of the main body frame 100, And the other side can firmly fix the main body frame 100 by pressing the furnace wall G of the blast furnace F. [

The welding portion 300 is a device for welding the supporting hardware H to the furnace wall G of the blast furnace F. The welding portion 300 has a structure in which the main body frame 100 is firmly fixed by the supporting portion 200, The supporting hardware H can be welded to the iron foil G of the furnace wall G of the furnace F as shown in Fig.

2 to 4, the supporting part 200 and the welding part 300 are installed to be foldable on the main body frame 100 and extend in the direction of the furnace wall G of the blast furnace F .

4, the supporting part 200 and the welding part 300 are installed so as to be foldable by a hinge shaft on a mounting bracket 170 provided on the outer peripheral surface of the main body frame 100, It is possible to extend the member in the direction of the furnace wall G of the blast furnace F while being slidable.

4, the supporting part 200 and the welding part 300 can be foldably installed on the mounting bracket 170 provided on the outer peripheral surface of the main body frame 100 through a hinge shaft.

The supporting part 200 and the welding part 300 can be foldably installed on the main body frame 100. When the supporting part 200 and the welding part 300 enter into the blast furnace F, ) Is easily introduced into the inside of the apparatus.

3 and FIG. 3, the supporting part 200 and the welding part 300 are folded so as to be close to the main body frame 100, (F). ≪ / RTI >

3, when the supporting steel wire welding apparatus 10 is lowered to the installation position of the supporting hardware H, the supporting part 200 and the welding part 300 can be unfolded from the main frame 100. [

Specifically, the folding wire W2 has one side fixed to the support portion 200 and the welded portion 300, and the other side connected to the support portion 200 and the folding brackets 215 and 315 provided on the welded portion 300, Can be fixed to the means.

The folding wire W2 may be configured to be moved up and down by a driving means M separate from the lifting wire W1.

4, description will be given of a process in which the support portion 200 and the welded portion 300 are extended in the direction of the furnace wall G of the blast furnace F. In this way, The support portion 200 is extended in the direction of the furnace wall G of the blast furnace F so that the front end of the support portion 200 presses the furnace wall G of the blast furnace F while the furnace body 10 is lowered, Can be firmly supported.

The welded part 300 is extended from the welded part 300 to the welded position of the supporting hardware H on the furnace wall G of the blast furnace F while the main body frame 100 is fixed by the support part 200 A welding operation can be performed.

Specifically, the support part 200 enters the folded state close to the outer circumferential surface of the main body frame 100 upon entering the inside of the blast furnace F, and the support part 200 is unfolded in a state of being lifted up to the working position, The main frame 100 can be fixed while pressing the furnace wall G of the blast furnace F while the members are stretched.

The welding part 300 enters the state of being folded close to the outer circumferential surface of the main body frame 100 upon entering the inside of the blast furnace F and the supporting part 200 is unfolded in a state of being raised and lowered to the working position, It can be extended in the furnace wall G direction of the blast furnace F.

At this time, the elongation of the frame member composed of multi-stages may be performed by a hydraulic actuator or a pneumatic actuator provided in association with the frame member.

As shown in FIGS. 4 and 5, the support part 200 may be rotatably installed in the main body frame 100.

This is because when the furnace wall G of the blast furnace F, in which the support portion 200 is pressed and fixed, that is, the G face is uneven, the support portion 200 is rotated to press the G face, So that the support part 200 can stably support the main body frame 100 of the brazing and hard metal welding apparatus 10 in the blast furnace.

Specifically, the support portion 200 may include a multi-stage support frame 210 and an elastic contact tip 230.

The support part 200 includes a multi-stage support frame 210 rotatably installed on the rotation frame 150 of the main frame 100 and extendable in the direction of the furnace wall G of the blast furnace F, And an elastic contact tip 230 provided at the distal end of the frame 210 for elastically pressing the furnace wall G of the blast furnace F. [

A supporting bearing or a supporting roller may be installed between the inner circumferential surface of the rotary frame 150 and the outer circumferential surface of the first main body frame member 110 of the main body frame 100, And can be configured to be rotatable on the first body frame member 110 as an intermediary.

The support frame 210 may be disposed radially in the rotation frame 150 of the main body frame 100 and may include a first support frame member 211 and at least one second support frame member 213, And may be constituted by a frame member.

The support frame 210 includes a first support frame member 211 which is installed on the mounting bracket 170 provided on the outer peripheral surface of the main body frame 100 so as to be foldable via a hinge shaft, And a second support frame member 213 extending in the direction of the furnace wall G of the blast furnace F while being slid.

The support frame 210 is rotatably installed in the rotation frame 150 of the main body frame 100 and can be extended in the direction of the furnace wall G of the blast furnace F, An elastic contact tip 230 for elastically pressing the furnace wall G of the blast furnace F may be formed.

The elastic contact tip 230 may be composed of two or more materials having different elastic moduli, and a material having a relatively large elastic modulus at a portion close to the furnace wall G of the blast furnace F may be disposed.

This improves the tightening force of the furnace wall G of the support part 200 and the blast furnace F while minimizing the damage of the refractory or the like of the furnace wall G of the blast furnace F, So that the support part 200 can be stably fixed.

A plurality of fixing protrusions may be formed at a portion of the elastic contact tip 230 facing the furnace wall G of the blast furnace F. [

4, the rotary frame 150 is provided with a rack gear 151 in a circumferential direction and a pinion gear P rotated by a driving means M installed on the main body frame 100 The rotating frame 150 can be rotated on the first body frame member 110 while being engaged with the rack gear 151. [

As shown in FIGS. 1 and 4, the support 200 may include a first support member 201 and a second support member 203.

The support portion 200 includes a first support member 201 radially disposed on the main body frame 100 and a second support member 201 radially disposed on the main body frame 100 at a height difference from the first support member 201 And a second support member 203 may be provided.

The end surface of the elastic contact tip 230 formed at the tip end of the first and second support members 201 and 203 and the surface of the blast furnace F on which the protrusion G is formed are parallel to each other, It is more preferable that the folding angle of the first support member 201 and the second support member 203 is adjusted in view of stable support of the main body frame 100.

5, the second support member 203 may be disposed in a space between the first support members 201 adjacent to each other in the circumferential direction of the main body frame 100. As shown in FIG.

The second support member 203 is disposed in the space between the first support members 201 adjacent to each other in the circumferential direction of the main body frame 100 while the first support member 201 and the second support member 203 are disposed, May be arranged alternately in the circumferential direction of the main body frame 100. [

The welding portion 300 is disposed between the first supporting member 201 and the second supporting member 203 so that the first supporting member 201, the second supporting member 203, 100, the mutual interference can be prevented.

 As shown in FIG. 4, the weld 300 may be installed on the body frame 100 to be rotatable and elevatable.

4, the main body frame 100 includes a first main body frame member 110 having a first mounting bracket 171 on which the support portion 200 is foldably installed, And a second body frame member 130 having a second mounting bracket 173 which is coupled to the frame member 110 in a liftable manner and in which the welding portion 300 is foldably installed.

The plurality of support hardware H installed at the same height as the iron gaps G of the blast furnace F can be continuously installed while the welded portion 300 is rotated while being fixed to the second main body frame member 130. [

4, when the welding portion 300 completes the welding operation in the circumferential direction of the iron sheet G inside the blast furnace F at the first height, as shown by the solid line in FIG. 4, The welded portion 300 can be lifted and the welded portion 300 at the second height can complete the welding operation continuously in the circumferential direction of the iron sheet G inside the blast furnace F. [

As shown in FIG. 4, the weld 300 may include an elongate frame 310, an automatic welder 330, and a robot articulation arm 350.

The extension frame 310 is provided so as to be foldable on the mounting bracket 170 provided on the outer circumferential surface of the main body frame 100 by means of a hinge shaft and is extended in the direction of the furnace wall G of the blast furnace F .

The elongated frame 310 may be composed of a multi-stage frame member including a first elongate frame member 311 and at least one second elongate frame member 313.

The elongated frame 310 includes a first elongate frame member 311 that is foldably installed on a mounting bracket 170 provided on the outer circumferential surface of the main body frame 100 via a hinge shaft, And a second elongated frame member 313 which is slid and extends in the furnace wall G direction of the blast furnace F. [

Although not shown, the second elongated frame member 313 closest to the furnace wall G of the blast furnace F is provided with an automatic welder 330, A member 353, a foreign matter removing device 400, and a monitoring device may be installed.

A metal mounting table 370 may be provided on the upper side of the second elongate frame member 313 to support the supporting hardware H welded to the furnace wall G of the blast furnace F. [

The supporting hardware H may be provided with a Y-shaped stud anchor. At this time, one end of the stud anchor is inserted and fixed into a fixing groove formed in the metal holder 370, and the fixing groove is provided with an elastic member having a diameter smaller than the diameter of the end of the stud anchor and capable of enlarging the fixing groove, It is possible to stably mount the end portion of the guide plate.

The automatic welder 330 may be installed in the elongated frame 310 to weld the supporting hardware H to the furnace wall G of the blast furnace F. [

The automatic welder 330 can weld the support wire harness H to the steel wire G of the blast furnace F while keeping the support wire harness H in close contact with the steel wire G of the blast furnace F to energize the current.

7, the automatic welder 330 is installed on the bottom surface of the second elongate frame member 313 and can be installed to extend in the direction of the furnace wall G of the blast furnace F .

6, the robot arm arm 350 is provided so as to be movable in multiple axes while a plurality of robot arms 351 are connected to each other via a joint member 353, 330).

A metal insert 355 may be provided at the distal end of the robot joint arm 350 to fix the support hardware H to insert the support hardware H into the automatic welder 330.

7, a foreign matter (not shown) which is provided on one side of the welding portion 300 and removes foreign matter from the furnace wall G of the blast furnace F attached to the welding target portion of the supporting hardware H, Removal device 400 shown in FIG.

The main body frame 100 is lowered into the blast furnace F and then the high pressure air is sprayed from the spray nozzle of the foreign material removing device 400 onto the furnace wall G to be welded to the welding target portion of the supporting hardware H Foreign matter on the furnace wall G of the attached blast furnace F can be removed.

At this time, the high-pressure air stored in an air tank (not shown) provided outside the blast furnace F may be supplied to the injection nozzle through a supply hose (not shown).

The foreign material removing device 400 may include a spray nozzle for spraying high pressure air to the furnace wall G of the blast furnace F to remove foreign matters adhering to the furnace wall G, Or the distance between the furnace wall G of the blast furnace F and the tip of the injection nozzle can be adjusted by the pneumatic actuator.

It should be noted that the foreign material removing device 400 may be provided with a grinding means so that the foreign matter adhering to the furnace wall G of the blast furnace F is ground and removed.

As shown in FIG. 6 and FIG. 7, further includes a monitoring device provided at one side of the welding part 300 to collect image information of the welding process of the supporting hardware H by the automatic welding machine 330 can do.

As shown in FIG. 6, the monitoring device may be installed in the robot arm 350 of the weld 300, but is not limited thereto.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. And will be apparent to those skilled in the art.

10: Automatic welding device 100: Body frame
110: first main body frame member 130: second main body frame member
150: Rotating frame 151: Rack gear
170: Mounting bracket 171: First mounting bracket
173: second mounting bracket 200: support part
201: first support member 203: second support member
210: support frame 211: first support frame member
213: second support frame member 215: folding bracket
230: elastic contact tip 300: weld
310: extension frame 311: first extension frame member
313: second extension frame member 315: folding bracket
330: automatic welding machine 350: robot joint arm
351: Robot arm 353:
355: Hardware insertion part 370: Iron mount
400: foreign matter removing device 500: monitoring device
E: Inlet device F: Blast furnace
G: Roof wall, rigid H: Support hardware
M: Drive means P: Pinion gear
W1: lift wire W2: folded wire

Claims (13)

A body frame provided so as to be able to move up and down inside the blast furnace;
A support provided between the main body frame and the hearth wall of the blast furnace so as to support the main body frame by pressing the furnace wall of the blast furnace; And
And a welding part installed in the main body frame and welding a supporting metal material to a furnace wall of the furnace,
Wherein the support portion is rotatably installed on the main body frame.
The welding apparatus according to claim 1, wherein the support portion and the welding portion
Characterized in that the apparatus is foldable to the main body frame and is provided so as to be extendable in the furnace wall direction of the blast furnace.
The welding apparatus according to claim 1, wherein the support portion and the welding portion
And a plurality of frame members provided on the mounting bracket provided on the outer circumferential surface of the main body frame so as to be foldable through a hinge shaft and capable of extending in the furnace wall direction of the blast furnace while being slidable.
delete The apparatus according to claim 1,
A multi-stage support frame rotatably installed on the rotary frame of the main frame and extending in the furnace wall direction of the blast furnace; And
And an elastic contact tip provided at a distal end of the support frame for elastically pressing the furnace wall of the blast furnace.
6. The method of claim 5,
Wherein the rotary frame is provided with a rack gear in the circumferential direction and the rotary frame is rotated on the body frame while the pinion gear rotated by the driving means provided on the body frame is engaged with the rack gear. Automatic welding equipment for supporting hardware.
The apparatus according to claim 1,
A first support member radially disposed on the body frame; And
And a second support member radially disposed on the body frame at a height difference from the first support member.
8. The method of claim 7,
Wherein the second support member is disposed in a space between the first support members adjacent in the circumferential direction of the main body frame.
delete A body frame provided so as to be able to move up and down inside the blast furnace;
A support provided between the main body frame and the hearth wall of the blast furnace so as to support the main body frame by pressing the furnace wall of the blast furnace; And
And a welding portion provided on the body frame so as to be rotatable and movable up and down to weld the supporting hardware to the furnace wall,
Wherein,
A first body frame member having a first mounting bracket to which the supporting portion is foldably installed; And
And a second body frame member coupled to the first body frame member in a liftable manner and having a second mounting bracket to which the welding portion is foldably installed.
The welding apparatus according to claim 1,
An extension frame provided so as to be foldable through a hinge shaft on an installation bracket provided on an outer circumferential surface of the main body frame, the extension frame being slidable in the direction of the wall of the blast furnace while sliding the frame members;
An automatic welding machine installed in the elongated frame for welding the supporting hardware to the furnace wall of the furnace; And
And a robot arm provided to the robot arm so as to be able to move in multiple axes while being connected to each other via a joint member and to provide the support hardware to the automatic welder.
12. The method of claim 11,
And a foreign matter removing device provided on one side of the welding part to remove foreign matter from the blast furnace wall adhered to a part to be welded of the supporting metal piece.
12. The method of claim 11,
And a monitoring device provided on one side of the welding part for collecting image information of a welding process of the supporting hardware by the automatic welding machine.
KR1020150114743A 2015-08-13 2015-08-13 Auto welding apparatus for suppotting hardware of furnace KR101674820B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150114743A KR101674820B1 (en) 2015-08-13 2015-08-13 Auto welding apparatus for suppotting hardware of furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150114743A KR101674820B1 (en) 2015-08-13 2015-08-13 Auto welding apparatus for suppotting hardware of furnace

Publications (1)

Publication Number Publication Date
KR101674820B1 true KR101674820B1 (en) 2016-11-10

Family

ID=57484561

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150114743A KR101674820B1 (en) 2015-08-13 2015-08-13 Auto welding apparatus for suppotting hardware of furnace

Country Status (1)

Country Link
KR (1) KR101674820B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112008278A (en) * 2020-08-11 2020-12-01 中国十七冶集团有限公司 Blast furnace shell assembly installation equipment and construction method
CN116372485A (en) * 2023-05-10 2023-07-04 广东兴承豪电子科技有限公司 Sheet metal part welding equipment and working method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224167A (en) * 1988-03-02 1989-09-07 Takenaka Komuten Co Ltd Steel pipe welding equipment
JPH06137769A (en) * 1992-10-28 1994-05-20 Harima Ceramic Co Ltd Brick stacking apparatus for refining vessel or the like
JPH07316614A (en) * 1994-05-18 1995-12-05 Sumitomo Metal Ind Ltd Apparatus for repairing furnace wall of blast furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224167A (en) * 1988-03-02 1989-09-07 Takenaka Komuten Co Ltd Steel pipe welding equipment
JPH06137769A (en) * 1992-10-28 1994-05-20 Harima Ceramic Co Ltd Brick stacking apparatus for refining vessel or the like
JPH07316614A (en) * 1994-05-18 1995-12-05 Sumitomo Metal Ind Ltd Apparatus for repairing furnace wall of blast furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112008278A (en) * 2020-08-11 2020-12-01 中国十七冶集团有限公司 Blast furnace shell assembly installation equipment and construction method
CN116372485A (en) * 2023-05-10 2023-07-04 广东兴承豪电子科技有限公司 Sheet metal part welding equipment and working method thereof
CN116372485B (en) * 2023-05-10 2023-11-28 广东兴承豪电子科技有限公司 Sheet metal part welding equipment and working method thereof

Similar Documents

Publication Publication Date Title
KR101674820B1 (en) Auto welding apparatus for suppotting hardware of furnace
JP5719474B2 (en) Roof for electric furnace
EP2206581A2 (en) Techniques for debris reduction when performing edge deletion on coated articles having temporary protective coatings applied thereto
CN107999871B (en) A kind of steel pipe cutting equipment convenient for fixing to clamp
CN210132378U (en) Inside and outside wall rust cleaning device of high frequency welded tube
CN115582658B (en) Welding frock that robot processing was used
CN108057541A (en) A kind of industry works paint spraying machine
JP2018524172A (en) Cleaning device for embedded air conditioner and cleaning robot for embedded air conditioner to which the cleaning device is applied
CN201997883U (en) Special bellows-welding welder
KR20130034419A (en) Automatic apparatus for eliminating slag of melting furnace
JP2003166010A (en) Device and method for removing deposit on kr impeller
JP2987407B2 (en) Long nozzle automatic cleaning device for continuous casting machine
CN107116293A (en) One kind automation spot-welding equipment
KR101326769B1 (en) Stud chuck dressing apparatus
CN220432885U (en) Hot bending pipe position adjusting device and vacuum refining furnace
JP2021109196A (en) Fume suction mobile type welding device
JP2808141B2 (en) Repair equipment for RH furnace
JPS5851975Y2 (en) Spray repair nozzle
CN105316462B (en) Can recuperation of heat continuous-type furnace
CN110449851A (en) The device of automatic dismounting torch nozzle
JPH10216946A (en) Welding equipment for fitting to sleeve brick at tap hole of converter
JP2007197769A (en) Device for attaching/detaching manhole lid for exchanging blast furnace bell-less chute, and attaching/detaching method therefor
CN111201109A (en) Welding device
KR101280937B1 (en) A processing apparatus for deposit and the processing method for lance using the same
CN109550671B (en) Motorcycle frame coating process

Legal Events

Date Code Title Description
GRNT Written decision to grant