CN111299958B - Stud embedding device on roller of mine high-pressure roller mill and welding repair process thereof - Google Patents
Stud embedding device on roller of mine high-pressure roller mill and welding repair process thereof Download PDFInfo
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- CN111299958B CN111299958B CN202010236140.4A CN202010236140A CN111299958B CN 111299958 B CN111299958 B CN 111299958B CN 202010236140 A CN202010236140 A CN 202010236140A CN 111299958 B CN111299958 B CN 111299958B
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- 238000003466 welding Methods 0.000 title claims abstract description 102
- 230000008439 repair process Effects 0.000 title claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 claims description 12
- 241001669679 Eleotris Species 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000010953 base metal Substances 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- 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
- B23K5/00—Gas flame welding
- B23K5/006—Gas flame welding specially adapted for particular articles or work
-
- 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
- B23K5/00—Gas flame welding
- B23K5/18—Gas flame welding for purposes other than joining parts, e.g. built-up welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a stud embedding device on a roller of a mine high-pressure roller mill, which comprises a left side frame and a right side frame, wherein squeeze rollers are arranged on the left side frame and the right side frame through universal couplings, a plurality of studs are uniformly arranged on the outer sides of the squeeze rollers, and left side sleepers and right side sleepers are respectively arranged at the bottoms of the left side frame and the right side frame; the top of the left side frame is provided with a stud embedding drilling device, and the right side frame is provided with a heating device; the stud inlay apparatus further includes a welding gun. The invention also discloses the stud embedding device and the repair welding process, which are safe and easy to operate, stable in welding quality and low in investment cost, meet the actual requirements of the site, have high working efficiency, greatly reduce maintenance cost, reduce shutdown loss, reduce labor intensity of personnel, provide guarantee for reasonable assembly, and provide scientific reference for on-line repair of other mine large-sized workpieces.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a stud embedding device on a roller of a mine high-pressure roller mill and a welding repair process thereof.
Background
Along with the development of domestic and foreign mineral processing technology and equipment, a high-pressure roller mill is used as mineral processing equipment more and more widely, the high-pressure ball mill mainly comprises a frame, squeeze rollers, a speed reducer, a universal coupling and a motor, the squeeze rollers are arranged in pairs and in parallel on the frame, loose materials are squeezed between 2 rollers, the volume is reduced in a very short time, finally, the maximum value is reached at the minimum position of the gap between the two rollers, and solid material particles are crushed instantaneously. At present, the roller adopts a roller shaft outer column nail roller sleeve structure, column nails are embedded in a roller sleeve base body, and the column nails are reasonably arranged on the roller surface, so that the roller surface automatically generates a material lining.
In the working process of the high-pressure roller mill, certain ores have higher compressive strength, and larger extrusion force is required to be applied to crush the ores. Although the stud on the squeeze roller is made of high-wear-resistance high-toughness materials, the stud on the roller surface can be worn and broken after being used for a long time, especially the positions close to the shoulders on two sides of the roller, if the stud is not planted again and welded on two sides of the roller in time, the grinding effect of ores is affected. Therefore, a stud embedding device on a roller of a mine high-pressure roller mill is required to be designed and matched with a repair welding process of the stud embedding device, so that the re-implantation of two worn sides of the roller and the repeated use of the post after repair welding can be ensured; in addition, the re-planting and repair-welded stud on the roller of the high-pressure roller mill needs to meet the mechanical properties and reach the operating size, so that the re-planting and welding surfaces of the stud cannot have any welding defects, and the quality of the operating period is prevented from being affected.
Disclosure of Invention
Aiming at the problems that the stud on the roller surface of the high-pressure roller mill can be worn and broken after being used for a long time, and particularly the stud on the roller surface of the high-pressure roller mill is close to the shaft shoulders on two sides of the roller, the invention provides the stud embedding device and the welding repair process on the roller of the mine high-pressure roller mill.
The technical scheme for solving the technical problems is as follows:
the invention relates to a stud embedding device on a roller of a mine high-pressure roller mill, which comprises a left side frame and a right side frame, wherein squeeze rollers are arranged on the left side frame and the right side frame through universal couplings, and a plurality of studs are uniformly arranged on the outer sides of the squeeze rollers; the top of the left side frame is provided with a stud embedding drilling device, and the right side frame is provided with a heating device; the stud embedding device further comprises a welding gun.
As a further improvement of the technical scheme of the invention, the stud embedded drilling device comprises a magnetic drill, wherein the magnetic drill is provided with a handle, and the front side of the magnetic drill is provided with a downward drill bit.
As a further improvement of the technical scheme of the invention, the top of the left side frame is provided with a fixed bottom plate, and the bottom of the magnetic drill is connected and fixed with the fixed bottom plate through bolts.
As a further improvement of the technical scheme of the invention, the heating device comprises a high stand column and a low stand column which are arranged at the top of the right side frame, long baking guns are arranged on the high stand column and the low stand column, and the end parts of the long baking guns are positioned below the stud embedding drilling device.
As a further improvement of the technical scheme of the invention, a plurality of connecting round rods are arranged between the high upright post and the low upright post.
As a further improvement of the technical scheme of the invention, the fixed bottom plate is a steel plate with the thickness of 20 mm.
The other technical scheme for solving the technical problems is as follows:
the welding repair process of the stud embedding device on the roller of the mine high-pressure roller mill is characterized by comprising the following steps of:
Step one, preparing before welding;
1.1 A gas welding device): h01-12 welding gun, 3# welding nozzle, throat hoop, oxygen-acetylene bottle and oxygen-acetylene wind belt;
1.2 A heating device): h01-20 baking gun, 3# welding nozzle, throat hoop, oxygen-acetylene bottle and oxygen-acetylene wind belt;
1.3 -auxiliary facilities): angle grinder, file, hand hammer, flat shovel, colored glasses, copper needle, sheepskin glove, template, thermometer, magnifying glass, etc.;
1.4 A) welding position: rotating and welding the horizontal ring peak welding position;
1.5 -welding requirements): all welding cladding layers must have no welding defects, and are metallurgically fused to the base metal;
1.6 -welding material): BAg25CuZnSn;
1.7 A), gas: oxygen, acetylene;
1.8 Determining welding process parameters according to welding requirements;
step two, heating and welding;
2.1 A left side sleeper and a right side sleeper are adopted to heighten a left side frame and a right side frame which are symmetrical on two sides of a squeeze roller of the high-pressure roller mill, so that the squeeze roller can be ensured to have enough height to operate and the mechanical assembly joint surface under the left side frame and the right side frame is not damaged;
2.2 Rotating the position of a certain abrasion on the shaft shoulder on one side of the squeeze roller to a horizontal position, operating a drill stem nail hole at the position by utilizing a magnetic drill fixed on a left side frame through a handle, aligning a long baking gun at the fixed position to the nail hole to heat from inside to outside, coating QJ102 silver brazing flux when the nail hole and the surrounding are heated to a red hot surface close to an oxidation state, embedding matched nails into the nail hole, enabling the surface height of the nails to be equal to the height of the used nails on the squeeze roller of the existing high-pressure roller mill, melting BAg25CuZnSn welding wires by utilizing a welding gun, welding to the joint of the squeeze roller and the surface of the nails, embedding the nails in the horizontal position nail hole, rotating the squeeze roller to the position of the next abrasion to replace the nails, drilling and welding at the horizontal position, and analogically, and completely implanting the nails at the shaft shoulder on the two sides of the squeeze roller, and completely detecting the welding holes, and completely delivering the weld cracks through the welding roller without welding cracks, and the welding cracks.
As a further improvement of the technical scheme of the invention, the BAg25CuZnSn welding wire is melted and welded to the surface joint of the extrusion roller and the stud by a welding gun, and the position in the stud hole below the surface joint of the stud is included.
As a further improvement of the technical scheme of the invention, the diameter of the BAg25CuZnSn welding wire used for welding is 2.0mm, and the welding speed is 10cm/min.
Compared with the prior art, the stud embedding device and the welding repair process on the roller of the high-pressure roller mill for mines are safe and easy to operate, stable in welding quality, low in investment cost, high in working efficiency, capable of meeting actual requirements on site, greatly reducing maintenance cost, reducing shutdown loss, reducing labor intensity of personnel, guaranteeing reasonable production, and providing scientific reference for online repair of other large-scale workpieces for mines.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic diagram of a stud inlay device on a roller of a mine high-pressure roller mill according to the present invention;
FIG. 2 is a schematic view of the structure of the stud according to the present invention;
In the figure: 1. left sleeper 2, right sleeper 3, left frame 4, right frame 5, universal joint 6, squeeze rollers 7, stud holes 8, fixed base 9, magnetic drills 10, bolts 11, drill bit 12, handle 13, gun 14, welding gun 15, high stand 16, low stand 17, connecting round bar 20, stud.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. As used in the specification and claims of the present disclosure, "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, which change when the absolute position of the object to be described changes accordingly. The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Example 1:
As shown in fig. 1 and 2, the stud embedding device on a roller of a mine high-pressure roller mill comprises a left side frame 3 and a right side frame 4, wherein a squeeze roller 6 is arranged on the left side frame 3 and the right side frame 4 through a universal coupler 5, and a plurality of studs 20 are uniformly arranged on the outer side of the squeeze roller 6, and the stud embedding device is characterized in that left side sleepers 1 and right side sleepers 2 are respectively arranged at the bottoms of the left side frame 3 and the right side frame 4; the top of the left side frame 3 is provided with a stud embedding drilling device, and the right side frame 4 is provided with a heating device; the stud inlay apparatus also includes a welding gun 14. In the embodiment, two left and right sleepers 1, 2 are arranged below the left and right frames 3, 4, so that a sufficient height can be ensured to ensure that the squeeze rollers 6 run and the mechanical assembly joint surfaces below the two left and right frames 3, 4 are not damaged.
In this embodiment, the stud embedded drilling device comprises a magnetic drill 9, a handle 12 is arranged on the magnetic drill 9, and a downward drill bit 11 is arranged on the front side.
For facilitating the installation of the magnetic drill 9, the top of the left frame 3 is provided with a fixed bottom plate 8, the bottom of the magnetic drill 9 is fixedly connected with the fixed bottom plate 8 through bolts 10, and the fixed bottom plate 8 can be further provided with a steel plate with the thickness of 20mm
In this embodiment, the heating device includes a high upright 15 and a low upright 16 disposed at the top of the right frame 4, and long baking guns 13 are disposed on the high upright 15 and the low upright 16, and the end of the long baking gun 13 is located below the stud embedding drilling device. Further ensures the stability of the long baking gun 13, and a plurality of connecting round rods 17 are arranged between the high upright 15 and the low upright 16.
In this embodiment, the drilling device and the heating device are embedded in the studs respectively arranged at the tops of the left and right side frames 3 and 4, and when the device is applied, after the stud replantation on one side of the squeeze roller 6 is completed, the positions can be interchanged, and the stud replantation on the other side of the squeeze roller can be performed.
Example 2:
the repair welding process of the stud embedding device on the roller of the mine high-pressure roller mill described in the embodiment 1 is characterized by comprising the following steps:
Step one, preparing before welding;
1.1 A gas welding device): h01-12 welding gun, 3# welding nozzle, throat hoop, oxygen-acetylene bottle and oxygen-acetylene wind belt;
1.2 A heating device): h01-20 baking gun, 3# welding nozzle, throat hoop, oxygen-acetylene bottle and oxygen-acetylene wind belt;
1.3 -auxiliary facilities): angle grinder, file, hand hammer, flat shovel, colored glasses, copper needle, sheepskin glove, template, thermometer, magnifying glass, etc.;
1.4 A) welding position: rotating and welding the horizontal ring peak welding position;
1.5 -welding requirements): all welding cladding layers must have no welding defects, and are metallurgically fused to the base metal;
1.6 -welding material): BAg25CuZnSn has good fluidity and caulking property;
1.7 A), gas: oxygen, acetylene;
1.8 Determining welding process parameters according to welding requirements;
step two, heating and welding;
2.1 A left side frame 3 and a right side frame 4 which are symmetrical on two sides of a squeeze roll 6 of the high-pressure roll mill are heightened by adopting the left side sleeper 3 and the right side sleeper 4 so as to ensure that the squeeze roll 6 runs and plays a role that a mechanical assembly joint surface under the left side frame 3 and the right side frame 4 is not damaged;
2.2 Rotating the position of the cylindrical nail 20 to be replaced, which is worn on the shaft shoulder on one side of the squeeze roller 6, to a horizontal position by using a magnetic drill 9 fixed on the left frame 3 to operate through a handle 12, drilling a nail hole 7 at the position by using a drill bit 11, aligning a long baking gun 13 at the fixed position with the nail hole 7 to heat from inside to outside, when the nail hole 7 and the surrounding heat to a red hot surface close to an oxidation state, coating QJ102 silver brazing flux, embedding matched cylindrical nails 20 into the nail hole 7, enabling the surface height of the cylindrical nails 20 to be equal to the height of the cylindrical nails 20 used on the squeeze roller 6 of the existing high-pressure roller mill, melting BAg25CuZnSn welding wires by using a welding gun 14, welding to the joint of the cylindrical nails 20 and the squeeze roller 6, rotating the squeeze roller 6 to the position of the next cylindrical nail 20 after the cylindrical nails 20 are welded, keeping the cylindrical nail hole 7 at the position where the cylindrical nails are required to be replaced, welding the cylindrical nails at the horizontal position, and the positions on the sides of the cylindrical nails, completely detecting the two sides of the cylindrical nails, and completely welding the cylindrical nails, and completely detecting the welding holes after the two sides of the cylindrical nails are welded, and the cylindrical nails are not welded, and the welding holes are completely and the welding surfaces are completely and the welding has no defects.
In this embodiment, the BAg25CuZnSn wire is melted and welded to the surface junction of the squeeze roll 6 and the stud 20 by the welding gun 14, including the location within the stud bore below the stud surface junction.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention should be defined by the claims.
Claims (6)
1. The welding repair technology of the stud embedding device on the roller of the mine high-pressure roller mill comprises a left side frame (3) and a right side frame (4), wherein a squeeze roller (6) is arranged on the left side frame (3) and the right side frame (4) through universal couplings (5), a plurality of studs (20) are uniformly arranged on the outer side of the squeeze roller (6), and the stud embedding device comprises left side sleepers (1) and right side sleepers (2) which are respectively arranged at the bottoms of the left side frame (3) and the right side frame (4); the top of the left side frame (3) is provided with a stud embedded drilling device, and the right side frame (4) is provided with a heating device; the stud embedding device further comprises a welding gun (14); the stud embedded drilling device comprises a magnetic drill (9), wherein a handle (12) is arranged on the magnetic drill (9), and a downward drill bit (11) is arranged on the front side of the magnetic drill; heating device is including setting up high stand (15) and low stand (16) at right side frame (4) top, is provided with on this high stand (15) and the low stand (16) and toasts rifle (13) for a long time, and the tip of this long roast rifle (13) is located the below that the drilling equipment was inlayed to the post nail, characterized by includes following step:
Step one, preparing before welding;
1.1 A gas welding device): h01-12 welding gun, 3# welding nozzle, throat hoop, oxygen-acetylene bottle and oxygen-acetylene wind belt;
1.2 A heating device): h01-20 baking gun, 3# welding nozzle, throat hoop, oxygen-acetylene bottle and oxygen-acetylene wind belt;
1.3 -auxiliary facilities): angle grinder, file, hand hammer, flat shovel, colored glasses, copper needle, sheepskin glove, template, thermometer and magnifying glass;
1.4 A) welding position: rotating and welding the welding position of the horizontal circular seam;
1.5 -welding requirements): all welding cladding layers must have no welding defects, and are metallurgically fused to the base metal;
1.6 -welding material): BAg25CuZnSn;
1.7 A), gas: oxygen, acetylene;
1.8 Determining welding process parameters according to welding requirements;
step two, heating and welding;
2.1 A left side frame (3) and a right side frame (4) which are symmetrical on two sides of a squeeze roll (6) of the high-pressure roll mill are heightened by adopting a left side sleeper (1) and a right side sleeper (2) so as to ensure that the squeeze roll (6) runs and plays a mechanical assembly joint surface under the left side frame (3) and the right side frame (4) is not damaged;
2.2 Rotating the position of a certain abrasion on the shaft shoulder on one side of the extruding roller (6) to be changed into a horizontal position, operating a magnetic drill (9) fixed on the left side frame (3) through a handle (12), drilling a column nail hole (7) at the position by using a drill bit (11), aligning a long baking gun (13) at a fixed position with the column nail hole (7) to heat from inside to outside, coating QJ102 silver brazing flux when the column nail hole (7) and the periphery are heated to be close to an oxidation state, embedding matched column nails (20) into the column nail hole (7), enabling the surface height of the column nails (20) to be equal to the height of the column nails (20) which are used on the existing high-pressure roller mill extruding roller (6), melting BAg25CuZnSn by using a welding gun (14), welding wires to be welded to the joint of the surface of the extruding roller (6) and the column nails (20), rotating the column nails (20) at the horizontal position, and after the column nails (20) are extruded, detecting that the welding nails are not required to be planted at the positions of the two sides of the extruding roller (6), and detecting that no welding hole nails are not needed to be planted, and no welding cracks are needed to be welded at the positions of the two sides of the column nails.
2. A repair welding process for stud inlaying apparatus on a roller of a mining high-pressure roller mill according to claim 1, characterized in that the BAg25CuZnSn wire is melted and welded to the surface junction of the squeeze roller (6) and the stud (20) by means of a welding gun (14) including the position in the stud hole below the junction of the stud surface.
3. The repair welding process of the stud embedding device on the roller of the mine high-pressure roller mill according to claim 1, wherein the diameter of the BAg25CuZnSn welding wire used for welding is 2.0mm, and the welding speed is 10cm/min.
4. The repair welding process of the stud embedding device on the roller of the mine high-pressure roller mill according to claim 1, wherein the top of the left side frame (3) is provided with a fixed bottom plate (8), and the bottom of the magnetic drill (9) is fixedly connected with the fixed bottom plate (8) through bolts (10).
5. The repair welding process of the stud embedding device on the roller of the mine high-pressure roller mill according to claim 1, wherein a plurality of connecting round bars (17) are arranged between the high upright (15) and the low upright (16).
6. The repair welding process of stud embedding device on roller of mine high pressure roller mill according to claim 4, characterized in that the fixed bottom plate (8) is a steel plate with thickness of 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236140.4A CN111299958B (en) | 2020-03-30 | 2020-03-30 | Stud embedding device on roller of mine high-pressure roller mill and welding repair process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236140.4A CN111299958B (en) | 2020-03-30 | 2020-03-30 | Stud embedding device on roller of mine high-pressure roller mill and welding repair process thereof |
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| CN111299958B true CN111299958B (en) | 2024-07-09 |
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| CN211804660U (en) * | 2020-03-30 | 2020-10-30 | 安徽马钢设备检修有限公司 | Stud embedding device on roller of high-pressure mine roller mill |
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| DE19618143A1 (en) * | 1996-05-06 | 1997-11-13 | Krupp Polysius Ag | Roller mill grinding roller with projecting anchored pins for longer grinding time |
| DE102007012102A1 (en) * | 2007-03-13 | 2008-09-18 | Polysius Ag | Process for reprocessing a used grinding roller |
| KR101041280B1 (en) * | 2010-09-13 | 2011-06-14 | 김정훈 | Automatic welding machine for conveyor roller |
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| CN104148140B (en) * | 2014-07-22 | 2016-09-07 | 中信重工机械股份有限公司 | The changing spike devices and change nail method of a kind of high-pressure roller mill quick-replaceable roll surface stud |
| CN108723692A (en) * | 2017-04-13 | 2018-11-02 | 广西隆盛双金属铜合金制造有限公司 | Cane squeezing roll renovation technique |
| CN110653452A (en) * | 2018-06-30 | 2020-01-07 | 湖北新冶金属表面处理科技有限公司 | Roller surfacing repair device |
| CN110052728B (en) * | 2019-05-14 | 2021-01-08 | 安徽马钢设备检修有限公司 | Online welding repair method for end cover cracking of large ball mill |
| CN110328442A (en) * | 2019-07-29 | 2019-10-15 | 武汉高力热喷涂工程有限责任公司 | A kind of hydraulic prop roll surface plasma surfacing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526248A (en) * | 2014-11-04 | 2015-04-22 | 马鞍山市格林矿冶环保设备有限公司 | Column nail roller surface repairing method of novel high-pressure roller mill |
| CN211804660U (en) * | 2020-03-30 | 2020-10-30 | 安徽马钢设备检修有限公司 | Stud embedding device on roller of high-pressure mine roller mill |
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