CN111203619A - Plasma arc gouging device for efficiently removing wear-resistant layer of large-sized compression roller - Google Patents
Plasma arc gouging device for efficiently removing wear-resistant layer of large-sized compression roller Download PDFInfo
- Publication number
- CN111203619A CN111203619A CN202010184780.5A CN202010184780A CN111203619A CN 111203619 A CN111203619 A CN 111203619A CN 202010184780 A CN202010184780 A CN 202010184780A CN 111203619 A CN111203619 A CN 111203619A
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- China
- Prior art keywords
- support
- chuck
- plasma arc
- compression roller
- gouging
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- 230000006835 compression Effects 0.000 title claims abstract description 39
- 238000007906 compression Methods 0.000 title claims abstract description 39
- 238000005452 bending Methods 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 18
- 239000010410 layer Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/003—Scarfing, desurfacing or deburring
-
- 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 for a procedure covered by only one of the other main groups of this subclass
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A plasma arc gouging device for efficiently removing a wear-resistant layer of a large-sized compression roller is characterized by comprising a main support, a first support and a second support, wherein the first support and the second support are positioned on two sides of the main support; the main support is rotatably connected with a rotating disc, and a first chuck is arranged on the rotating disc; the first support is rotatably connected with a bending frame, a cross rod of the bending frame is provided with a hydraulic telescopic rod, and a rod head of the hydraulic telescopic rod is rotatably connected with a second chuck; the stand is fixedly arranged on the second support, the stand is provided with a rectangular sliding groove towards the side face of the main support, the inside of the rectangular sliding groove is rotatably connected with a lead screw along the height direction, and the lead screw is connected with a telescopic gouging nozzle device and a scraper device in a threaded manner. According to the invention, the first chuck and the second chuck are matched and clamped at two ends of the large-scale compression roller up and down, the rotating disc drives the large-scale compression roller to rotate, and the air gouging nozzle device stably moves along the rectangular sliding groove to remove the cladding layer on the surface of the large-scale compression roller, so that the purposes of consistent removal depth and higher efficiency are achieved.
Description
The technical field is as follows:
the invention relates to the technical field of plasma gouging, in particular to a plasma arc gouging device for efficiently removing a wear-resistant layer of a large-size compression roller.
Background art:
after the large-sized compression roller is used for a long time, the cladding layer is damaged, the cladding layer needs to be removed, new cladding is carried out, turning equipment is mostly adopted for removing, and the surface alloy cladding layer is hard, so that the cutter is often damaged, and the production cost is increased; the plasma air gouging device is suitable for removing a large amount of large-area metal, the equipment is simple, a plasma machine adopting common inert compressed gas can be used as air gouging equipment, and the production cost can be greatly reduced when the plasma air gouging device removes a large-scale compression roller cladding layer;
however, when the plasma air gouging is adopted to remove the cladding layer of the large-sized compression roller, the air gouging device has the defects that the operation process is difficult to control, the removal width is different, the depth is different, and the machine tool equipment in the prior art is inconvenient to assemble due to the large diameter of the large-sized compression roller and the large cladding area, so that the circumferential rotation of the large-sized compression roller and the movement of an air gouging nozzle are greatly limited, the maximum utilization rate cannot be fully exerted by the plasma air gouging, the removal speed is slow, and the efficiency is low.
The invention content is as follows:
in view of this, it is necessary to design a plasma arc gouging device for efficiently removing a wear-resistant layer of a large-sized compression roller, which is used for vertically assembling the large-sized compression roller, has an efficient and stable assembly process, and is capable of efficiently removing a cladding layer, wherein the feeding amount of a gouging nozzle device is uniform and stable.
A plasma arc gouging device for efficiently removing a wear-resistant layer of a large-sized compression roller is characterized by comprising a main support, a first support and a second support, wherein the first support and the second support are oppositely arranged on two sides of the main support;
the main support is rotatably connected with a rotating disc, and a first chuck is arranged on the rotating disc; a bending frame is rotatably connected to the first support, a hydraulic telescopic rod is arranged on the surface, facing the rotating disc, of a cross rod of the bending frame, and a second chuck, which has the same axis as the first chuck, is rotatably connected to a rod head of the hydraulic telescopic rod;
an upright post is fixedly arranged on the second support, a rectangular sliding groove is formed in the side face, facing the main support, of the upright post, a lead screw is rotatably connected inside the rectangular sliding groove along the height direction, and a telescopic air gouging nozzle device and a scraper device are connected onto the lead screw in a threaded mode; the air gouging nozzle device and the scraper device are arranged in a vertically staggered mode, and the air gouging nozzle device is connected with a plasma air gouging mechanism.
Preferably, the rotating disc is assembled on the main support through a roller thrust bearing, and the first chuck is arranged at the circle center of the rotating disc.
Preferably, a main motor for driving the rotating disc to rotate is arranged inside the main support.
Preferably, the rotating disc is provided with a collecting groove circumferentially at the periphery of the first chuck for collecting the metal melt.
Preferably, the bending frame is mounted on the first support through a first bearing.
Preferably, a first driving motor for driving the bending frame to rotate is arranged in the first support.
Preferably, the rod head of the hydraulic telescopic rod is rotatably connected with the second chuck through a second bearing.
Preferably, a second driving motor for driving the lead screw to rotate in the circumferential direction is disposed inside the second support.
Preferably, the gouging nozzle device comprises: the sliding connection in the rectangle spout and with lead screw threaded connection's first rectangle slider, the end that exposes of first rectangle slider is provided with the first electric telescopic handle of horizontal extension, it has the U-shaped plane mouth that can lock at the set angle to articulate on first electric telescopic handle's the pole head.
Preferably, the squeegee device includes: the second rectangular sliding block is connected in the rectangular sliding groove in a sliding mode and is in threaded connection with the lead screw, and the second rectangular sliding block is located below the first rectangular sliding block; the exposed end of the second rectangular sliding block is provided with a second electric telescopic rod which extends horizontally, the second electric telescopic rod and the first electric telescopic rod are arranged in a staggered mode, and a rod head of the second electric telescopic rod is connected with a scraper which is used for abutting against and pressing the outer surface of the large-scale compression roller.
The first chuck and the second chuck are matched and clamped at two ends of the large-scale press roll up and down, so that the large-scale press roll is vertical to remove a cladding layer, and the removed metal melt flows downwards along the same trend; the rotary disc drives the large-scale compression roller to rotate, the air gouging nozzle device stably moves along the rectangular sliding groove under the driving of the rotation of the lead screw, and the first electric telescopic rod adjusts the feeding amount of the U-shaped gouging nozzle to clean a cladding layer on the surface of the large-scale compression roller; the scraper device scrapes off the metal melt adhered to the surface of the large-sized compression roller, so that the purposes of consistent removal depth and higher efficiency are achieved.
Description of the drawings:
FIG. 1 is a schematic three-dimensional structure diagram of a plasma arc gouging device for efficiently removing a wear-resistant layer of a large-sized compression roller according to the invention;
FIG. 2 is a cross-sectional view of a plasma arc gouging apparatus for efficiently removing a wear layer of a large-sized platen roller according to the present invention;
FIG. 3 is a schematic structural view of a rotating disk according to the present invention;
FIG. 4 is a schematic diagram of a second chuck in accordance with the present invention;
fig. 5 is a schematic structural view of the pillar of the present invention.
In the figure: a main support saddle-10, a first support saddle-20, a second support saddle-30, a plasma air planing mechanism-40, a large press roll-50, a rotating disk-11, a main motor-12, a first chuck-13, a collecting tank-14, a roller thrust bearing-15, a bending frame-21, a first bearing-22, a hydraulic telescopic rod-23, a second chuck-24, a first driving motor-25, a second bearing-26, an upright post-31, an air planing nozzle device-32, a first rectangular slide block-321, a first electric telescopic rod-322, a U-shaped planing nozzle-323, a scraping plate device-33, a second rectangular slide block-331, a second electric telescopic rod-332, a scraping plate-333, a second driving motor-34, a screw rod-35, a rectangular chute-36, a plasma air planing mechanism-40, a large press roll-50, a rotating disk-, A third bearing-37.
The specific implementation mode is as follows:
as shown in fig. 1-2, a plasma arc gouging apparatus for efficient removal of wear layers from large rolls comprising: a main support 10, wherein the main support 10 is used for bearing the main body of the large-scale compression roller 50, a rotating disc 11 is rotatably connected to the main support 10, and the rotating disc 11 is assembled on the main support 10 through a roller thrust bearing 15, so that the rotating performance of the rotating disc 11 is stable; and the main motor 12 is arranged in the main support 10, the output shaft of the main motor 12 is fixedly connected with the center of the bottom circle of the rotating disc 11, the main motor 12 adopts a servo motor, and the rotating speed is adjusted to be 31.5-315 r/min, so that the main motor 12 drives the rotating disc 11 to rotate at a low speed.
The rotating disc 11 is used for clamping one shaft end of the large press roll 50, specifically, a first chuck 13 is arranged at the center of the upper circle of the rotating disc 11, and the first chuck 13 clamps the shaft end at the bottom of the large press roll 50 to be vertically processed; meanwhile, in order to enhance the stability of the large-sized press roll 50 during rotation, a first support 20 is arranged on the left side of the main support 10 in the embodiment, a bending frame 21 is rotatably connected to the first support 20, the bending position of the bending frame 21 is a 90 ° right angle, the bending frame 21 is assembled on the first support 20 through a first bearing 22, a first driving motor 25 is arranged inside the first support 20, and the output shaft of the first driving motor 25 is fixedly connected with the bottom end of the bending frame 21; this first driving motor 25 passes through relay control rotation stroke to drive the horizontal pole of bending frame 21 and rotate to first position when and to face each other with rotary disk 11, rotate to the second position when and rotary disk 11 mutually perpendicular, this bending frame 21 realizes conveniently assembling large-scale compression roller 50 and the purpose of the large-scale compression roller 50 steady rotation of reinforcing when rotating different positions.
Specifically, a hydraulic telescopic rod 23 is arranged on the surface, facing the rotating disc 11, of the cross rod of the bending frame 21, and a second chuck 24 with the same axis as the first chuck 13 is rotatably connected to the rod head of the hydraulic telescopic rod 23; as shown in fig. 4, the rod head of the hydraulic telescopic rod 23 is rotatably connected to the second chuck 24 through the second bearing 26.
It can be seen in the above-mentioned structure, when assembling large-scale compression roller 50, adopt mechanical equipment to be vertical assembly with large-scale compression roller 50, at this moment, bent frame 21 rotates to the second position, make things convenient for large-scale compression roller 50 to get into on rotary disk 11, the bottom axle head of large-scale compression roller 50 gets into chucking in the first chuck 13, first driving motor 25 starts, will bend frame 21 and rotate to the second position, second chuck 24 and the coincidence of first chuck 13 axis this moment, start hydraulic stretching pole 23, make second chuck 24 support and press the top axle head at large-scale compression roller 50, chucking second chuck 24, thereby make the fixed large-scale compression roller 50 of cooperation of first chuck 13 and second chuck 24, the stability when the cladding layer is clear away in the reinforcing.
With reference to fig. 2 and fig. 5, when specifically removing the cladding layer of the large-sized compression roller 50, in the embodiment, the second support 30 is arranged on the right side of the main support 10, the upright column 31 is fixedly arranged on the second support 30, the side of the upright column 31 facing the main support 10 is provided with the rectangular sliding chute 36, and the inside of the rectangular sliding chute 36 is rotatably connected with the lead screw 35 along the height direction; specifically, the upper end and the lower end of the rectangular chute 36 are oppositely provided with third bearings 37, the two ends of the lead screw 35 are correspondingly sleeved in the third bearings 37, a second driving motor 34 for driving the lead screw 35 to rotate in the circumferential direction is arranged in the second support 30, and the second driving motor 34 is a servo motor with adjustable speed, so that the rotation speed of the rotating disc 11 is matched for corresponding adjustment, and the moving stroke of the gouging nozzle device 32 is stable.
In addition, a telescopic air gouging nozzle device 32 and a scraper device 33 are connected to the screw 35 in a threaded manner; the gouging nozzle device 32 is located above the scraper device 33, the gouging nozzle device 32 is used for removing a cladding layer from the top of the large-sized compression roller 50, the lead screw 35 rotates to drive the gouging nozzle device 32 to gradually move downwards to be matched with the large-sized compression roller 50 on the rotating disc 11 in a self-rotation mode, and the cladding layer on the surface of the large-sized compression roller 50 is removed in a spiral mode; the scraper device 33 and the air gouging nozzle device 32 move on the screw 35 synchronously, and the metal melt adhered on the large-sized press roll 50 is scraped by the scraper device 33 below.
When specifically providing the gouging nozzle device 32, the gouging nozzle device 32 includes: the first rectangular sliding block 321 is connected in the rectangular sliding groove 36 in a sliding manner and is in threaded connection with the lead screw 35, a first electric telescopic rod 322 extending horizontally is arranged at the exposed end of the first rectangular sliding block 321, and a U-shaped planing mouth 323 capable of being locked at a set angle is hinged to the head of the first electric telescopic rod 322. By adjusting the telescopic distance of the first electric telescopic rod 322, the large-scale compression roller 50 with different diameters is applied, and when the extension distance of the first electric telescopic rod 322 is finely adjusted, the planing depth of the U-shaped planing nozzle 323 can be adjusted, and the planing depth can be 3mm-5mm at a time. The rod head of the first electric telescopic rod 322 is connected with the U-shaped planing nozzle 323 through a locking rotating shaft, so that the included angle between the U-shaped planing nozzle 323 and the surface of the large-sized pressing roller 50 can be adjusted to be 35-45 degrees. And. The width of the cladding layer can be increased by adopting the U-shaped planer 323, and the U-shaped planer 323 is connected with the plasma gas planer mechanism 40; it should be specifically noted that the plasma gouging mechanism 40 is a common device for removing a metal surface layer in the prior art, and blowing off a metal melt by using a compressed inert gas (such as argon gas, etc.), which are well known technical features of those skilled in the art, and will not be described herein in detail.
When the squeegee device 33 is specifically provided, the squeegee device 33 includes: the second rectangular sliding block 331 is slidably connected in the rectangular sliding groove 36 and is in threaded connection with the lead screw 35, and the second rectangular sliding block 331 is positioned below the first rectangular sliding block 321; the exposed end of the second rectangular sliding block 331 is provided with a second electric telescopic rod 332 extending horizontally, the second electric telescopic rod 332 and the first electric telescopic rod 322 are arranged in a staggered manner, and a rod head of the second electric telescopic rod 332 is connected with a scraper 333 which is used for abutting against the outer surface of the large-sized press roll 50.
In the above structure, it can be seen that the scraper 333 is located below the U-shaped planing nozzle 323 and behind the movement of the U-shaped planing nozzle 323, so that in the process of falling of the metal melt removed by the U-shaped planing nozzle 323, the scraper 333 scrapes the adhered metal melt from the surface of the large-sized pressing roller 50, and after the scraper device 33 moves below the large-sized pressing roller 50, the second electric telescopic rod 332 is recovered to avoid the scraper 333 from touching the rotating disk 11; meanwhile, as shown in fig. 3, a collecting tank 14 for collecting the molten metal is provided on the rotating disk 11 and cleaned. Adopt main motor 12, first driving motor 25 and second driving motor 34 all to be located inside the support that corresponds in this application embodiment, avoid scalding the circuit because of the metal melt that splashes, be provided with sealed lid at the exposed surface of first bearing 22, second bearing 26 and third bearing 37 simultaneously, avoid the metal melt that splashes to get into.
The invention adopts the first chuck 13 and the second chuck 24 to be matched and clamped with the two ends of the large-scale press roll 50 up and down, so that the large-scale press roll 50 is vertical to remove a cladding layer, and the removed metal melt flows downwards along the same trend; while the rotating disc 11 drives the large-scale compression roller 50 to rotate, the air gouging nozzle device 32 stably moves along the rectangular sliding groove 36 under the driving of the rotation of the lead screw 35, and the first electric telescopic rod 322 adjusts the feeding amount of the U-shaped gouging nozzle 323 to remove the cladding layer on the surface of the large-scale compression roller 50; the scraper device 33 scrapes off the metal melt adhered to the surface of the large-sized press roller 50, so as to achieve the purposes of consistent removal depth and higher efficiency.
Claims (10)
1. The utility model provides a high-efficient plasma arc gouging device who gets rid of large-scale compression roller wearing layer which characterized in that includes: the device comprises a main support, a first support and a second support, wherein the first support and the second support are oppositely arranged on two sides of the main support;
the main support is rotatably connected with a rotating disc, and a first chuck is arranged on the rotating disc; a bending frame is rotatably connected to the first support, a hydraulic telescopic rod is arranged on the surface, facing the rotating disc, of a cross rod of the bending frame, and a second chuck, which has the same axis as the first chuck, is rotatably connected to a rod head of the hydraulic telescopic rod;
an upright post is fixedly arranged on the second support, a rectangular sliding groove is formed in the side face, facing the main support, of the upright post, a lead screw is rotatably connected inside the rectangular sliding groove along the height direction, and a telescopic air gouging nozzle device and a scraper device are connected onto the lead screw in a threaded mode; the air gouging nozzle device and the scraper device are arranged in a vertically staggered mode, and the air gouging nozzle device is connected with a plasma air gouging mechanism.
2. The plasma arc gouging apparatus for efficient removal of wear layers on large nip rollers of claim 1, wherein the rotating disk is mounted on the primary support by a roller thrust bearing and the first chuck is disposed at a center of the rotating disk.
3. The plasma arc gouging apparatus for efficient removal of wear layers on large rolls according to claim 2, wherein a main motor for driving the rotating disk to rotate is provided inside the main support.
4. The plasma arc gouging apparatus for efficient removal of wear layers on large rolls according to claim 1, wherein the rotating disk is circumferentially provided with collection grooves for collecting metal melts at the periphery of the first chuck.
5. The plasma arc gouging apparatus for efficient removal of wear layers on large rolls of claim 1, wherein said dog leg is mounted to said first support by a first bearing.
6. The plasma arc gouging device for efficiently removing wear layers of large-size press rolls according to claim 5, wherein a first driving motor for driving the bending frame to rotate is arranged inside the first support.
7. The plasma arc gouging apparatus for efficient removal of wear layers from large rolls of claim 6, wherein the head of said hydraulic telescoping rod is rotatably coupled to said second chuck by a second bearing.
8. The plasma arc gouging device for efficiently removing the wear-resistant layer of the large-size compression roller according to claim 1, wherein a second driving motor for driving the lead screw to rotate in the circumferential direction is arranged inside the second support.
9. The plasma arc gouging apparatus for efficient removal of abradable layers of large rolls according to claim 1, wherein said gouging nozzle means comprises: the sliding connection in the rectangle spout and with lead screw threaded connection's first rectangle slider, the end that exposes of first rectangle slider is provided with the first electric telescopic handle of horizontal extension, it has the U-shaped plane mouth that can lock at the set angle to articulate on first electric telescopic handle's the pole head.
10. The plasma arc gouging apparatus for efficient removal of wear layers from large rolls of claim 9, wherein the blade means comprises: the second rectangular sliding block is connected in the rectangular sliding groove in a sliding mode and is in threaded connection with the lead screw, and the second rectangular sliding block is located below the first rectangular sliding block; the exposed end of the second rectangular sliding block is provided with a second electric telescopic rod which extends horizontally, the second electric telescopic rod and the first electric telescopic rod are arranged in a staggered mode, and a rod head of the second electric telescopic rod is connected with a scraper which is used for abutting against and pressing the outer surface of the large-scale compression roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184780.5A CN111203619A (en) | 2020-03-17 | 2020-03-17 | Plasma arc gouging device for efficiently removing wear-resistant layer of large-sized compression roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184780.5A CN111203619A (en) | 2020-03-17 | 2020-03-17 | Plasma arc gouging device for efficiently removing wear-resistant layer of large-sized compression roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111203619A true CN111203619A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010184780.5A Pending CN111203619A (en) | 2020-03-17 | 2020-03-17 | Plasma arc gouging device for efficiently removing wear-resistant layer of large-sized compression roller |
Country Status (1)
| Country | Link |
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| CN (1) | CN111203619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118162845A (en) * | 2024-05-10 | 2024-06-11 | 河北海乾威钢管有限公司 | Positioning device and method for welding marine structure pipe |
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|---|---|---|---|---|
| CN1675113A (en) * | 2002-08-14 | 2005-09-28 | 汉斯-奥托·施瓦茨 | Roller scraper |
| CN2799157Y (en) * | 2005-06-23 | 2006-07-26 | 大庆油田建设集团 | Plasma weld root cleaning device for vertical storage tank |
| CN101412122A (en) * | 2008-11-26 | 2009-04-22 | 大连理工大学 | Vertical type method for processing nozzle cooling channel of liquid-propel land rocket engine |
| US8946584B2 (en) * | 2011-05-26 | 2015-02-03 | Retro Systems, LLC | Angled cut height control system for a plasma arch torch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118162845A (en) * | 2024-05-10 | 2024-06-11 | 河北海乾威钢管有限公司 | Positioning device and method for welding marine structure pipe |
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Application publication date: 20200529 |