CN110732751A - welding process method for moving cone lining plate and locking bolt of cone crusher - Google Patents
welding process method for moving cone lining plate and locking bolt of cone crusher Download PDFInfo
- Publication number
- CN110732751A CN110732751A CN201911030202.XA CN201911030202A CN110732751A CN 110732751 A CN110732751 A CN 110732751A CN 201911030202 A CN201911030202 A CN 201911030202A CN 110732751 A CN110732751 A CN 110732751A
- Authority
- CN
- China
- Prior art keywords
- welding
- lining plate
- locking bolt
- phi
- cone
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a welding process method of moving cone lining plates and locking bolts of a cone crusher, which improves the synchronization of the service cycle of the part and the lining plates through the improvement of a welding technology process, thereby effectively preventing the generation of thermal cracks after welding, realizing the effective welding among a plurality of different materials, meeting the mechanical property requirement of a welding joint, improving the production efficiency and reducing the equipment failure, and the process method has the advantages of simple operation, easy implementation, high production efficiency and reliable welding quality.
Description
Technical Field
The invention relates to the technical field of cone crushers, in particular to a welding process method of a moving cone lining plate and a locking bolt of cone crushers.
Background
The model GP110 cone crusher is mainly composed of a frame, a fixed cone assembly, a movable cone assembly, a spring mechanism, a bowl-shaped shaft frame part, a transmission part and the like, and an auxiliary part of the outer cone crusher is composed of an electrical system, a thin oil lubricating system and a hydraulic cavity cleaning system.
For the cutting ring part between the moving cone lining plate and the lock nut of the model GP110 cone crusher, due to the design defect of manufacturers, welding lines are arranged between a fixed hammer assembly and a moving hammer assembly, the service life of the cutting ring part is , the service life of the lining plate is 12 months, installation cutting rings are arranged between the fixed hammer assembly and the moving hammer assembly, the cutting rings are fixed whole bodies welded between the fixed hammer assembly and the moving hammer assembly, the welding line of the cutting ring part is severe in the welding process, cracks appear at the part , the dismounting welding mode is required, the replacement time period is long, the adverse effect is brought to the production and the safety, meanwhile, a large amount of labor intensity and safety accidents in the maintenance are brought to maintenance personnel, the welding technology process transformation is carried out on the part of the GP110 cone crusher, the service cycle of the lining plate is improved, the part is synchronous with the service life of the lining plate, and the welding repair is decided to the cutting ring part between the moving cone lining plate and the lock nut of the GP110 cone crusher, the production efficiency is improved, and the equipment failure is reduced.
Disclosure of Invention
The invention aims to provide welding process methods of a moving cone lining plate and a locking bolt of a cone crusher, which are simple and convenient to operate, high in working efficiency and reliable in operation, so that thermal cracks after welding are effectively prevented from being generated, effective welding among different materials is realized, the mechanical property requirement of a welding joint is met, and the welding process methods are scientific, practical, easy to implement and reliable in quality and are used for solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
A welding process method for a moving cone lining plate and a locking bolt of a cone crusher comprises the following steps:
s1: pretreatment: cleaning mud dirt, oil dirt and iron rust at the welding joint of the split ring, the locking bolt and the moving cone lining plate, shoveling layer cracks and the defects of sand inclusion, air holes and shrinkage holes by adopting a grinding wheel or an electric arc gouging, grinding a hardened layer at the worn part by using the grinding wheel, and obliquely grinding an upper opening and a lower opening on the upper and lower connecting sections of the split ring by using an angle grinder respectively;
s2: selecting a welding rod and a welding machine: j507 ultra-low hydrogen welding rod, specification phi 3.2, phi 4.0, the power adopts the direct current to connect conversely, adopt the multilayer welding way;
s3: the welding mode is as follows: adopting a multilayer welding mode of manual electric arc welding surfacing welding, manual electric arc welding local patching and manual cleaning and polishing;
s4: welding materials: the manual arc welding adopts 1 and 2, and the welding pretreatment: removing iron rust, oil stain and oxide sundries within a range of 200mm around a welding area before welding;
s5: welding: digging a V-shaped opening at the welding position of a moving cone lining plate and a locking bolt of the cone crusher, welding cracks at the inner sides of the moving cone lining plate and the locking bolt firstly, and carrying out manual electric arc welding surfacing welding;
s6: firstly, welding a locking bolt and an open ring, backing up and welding a J507 ultra-low hydrogen welding rod with specification phi 3.2 and phi 4.0 and welding current 110A, and then welding a plurality of layers with J507 ultra-low hydrogen welding rod with specification phi 3.2 and phi 4.0 and current 120A;
s7, uniformly distributing the upper and lower notches on the circumference of the split ring, in the welding step between the split ring and the moving cone lining plate, in the welding process of circles of notches, when water vapor is completely dried, the welding seam can be changed from the upper lower notch welding seam to the lower notch welding seam, and circles of lower notch welding seams are alternately carried out until all welding seams are welded;
s8: and finally, when the steel plate of the cover surface is welded, the welding current is not required to be too large and is less than 10% of the normal welding current, and in the process of overlaying the welding seam, the welding seam and the position 100mm away from the periphery are repeatedly knocked by a hammer to eliminate internal stress.
Further , after welding layers in S5, cleaning up welding slag, repairing and welding defects of an upper layer before welding a lower layer, polishing and flattening the welding slag by using a polishing machine to ensure welding quality, after welding a groove, covering a 25mm thick nm400 lining plate on a welding seam, wherein the nm400 lining plate steel plate adopts girdling, a welding leg is 25 degrees, low-carbon structural deformed steel with the shape of 25mm phi is welded with a locking nut in a girdling way, the welding leg is 25 degrees, the same shape with the surrounding side being smaller than 15mm in opening size is adopted, the low-carbon structural deformed steel with the surrounding side being larger than 25mm is placed in a V-shaped opening to be welded to the welding seam to be flat, after welding is interrupted, before re-welding, a constant temperature of is kept after the welding position is preheated to 200-300 ℃, and then welding is carried out.
And , ensuring that the welding rod does not swing during welding in the S6, knocking the welding line after the welding line is filled by multi-layer welding, and then winding the welding line by using a asbestos rope for heat preservation and slowly cooling to the room temperature.
And , in the process of multilayer welding, paying attention to each shielding striking of the welding line to remove welding slag completely and eliminate welding stress, in the welding process, controlling the overall temperature to be not more than 300 ℃, quickly spreading wet linen to spread above the moving cone lining plate body after each layer of welding, allowing vaporized steam to take away a large amount of heat below the welding line, striking the welding line after the water steam is completely dried, winding a cutting ring with a asbestos rope, preserving heat, slowly cooling to room temperature, dismantling the asbestos rope and cleaning the flying base welding slag.
Further , the locking bolt is fixed on the support body, and the lower end face of the support body is welded with the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
the welding process method for the moving cone lining plate and the locking bolt of the cone crusher improves the synchronization of the service cycle of the part and the lining plate through the improvement of the welding process technology, thereby effectively preventing the generation of thermal cracks after welding, realizing the effective welding among a plurality of different materials, meeting the mechanical property requirement of a welding joint, improving the production efficiency and reducing the equipment failure, and the process method has the advantages of simple operation, easy implementation, high production efficiency and reliable welding quality.
Drawings
Fig. 1 is a structural view of a moving cone lining plate and a locking bolt of a cone crusher according to the present invention.
In the figure: 1. a rotating shaft; 2. a support body; 3. locking the nut; 4. a moving cone lining plate; 5. a split ring; 6. a V-shaped opening; 7. phi 25mm shaped mild structural thread steel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Example :
referring to fig. 1, in the embodiment of the present invention, a welding process of a moving cone lining plate and a locking bolt of types of cone crushers includes the following steps:
, preprocessing, namely cleaning mud, oil dirt and rust at the welding joint of the split ring 5, the locking bolt 3 and the moving cone lining plate 4, carefully checking whether layer cracks and sand inclusion, air holes and shrinkage defects exist, if the defects exist, shoveling out by using a grinding wheel or an electric arc air gouging, grinding a hardened layer at the worn part by using the grinding wheel, and obliquely grinding an upper opening and a lower opening on the upper and lower connecting sections of the split ring 5 by using an angle grinder;
the second step is that: selecting a welding rod and a welding machine: j507 ultra-low hydrogen welding rod, specification phi 3.2, phi 4.0, the power adopts the direct current to connect conversely, adopt the multilayer welding way;
the third step: the welding mode is as follows: adopting a multilayer welding mode of manual electric arc welding surfacing welding, manual electric arc welding local patching and manual cleaning and polishing;
the fourth step: welding materials: the manual arc welding adopts 1 and 2, and the welding pretreatment: removing iron rust, oil stain and oxide sundries within a range of 200mm around a welding area before welding;
fifthly, welding, namely excavating a V-shaped opening 6 at the welding position of a moving cone lining plate 4 and a locking bolt 3 of a cone crusher, welding cracks at the inner sides of the moving cone lining plate 4 and the locking bolt 3, and performing manual arc welding surfacing, cleaning welding slag after welding layers, repairing and welding the defects of an upper layer before welding a lower layers, polishing and flattening the defects by using a polishing machine, ensuring the welding quality, welding a groove flatly, covering a 25 mm-thick nm400 lining plate on a welding seam, performing girdling welding on a nm400 lining plate steel plate with a welding leg of 25 degrees, welding a 25 mm-shaped low-carbon structural deformed steel 7 with a girdling size phi larger than 25mm and the locking bolt 3, performing girdling welding on the welding leg of 25 degrees, taking a homomorphism with the girdling size smaller than 15mm of the opening size, putting the phi 25 mm-shaped low-carbon structural deformed steel 7 into the V-shaped opening 6, welding the V-shaped opening 6 to be welded to the welding seam continuously, preheating the welding position to 200-300 ℃ before welding, and then keeping constant temperature of ℃ for welding;
and a sixth step: firstly, welding the locking bolt 3 and the split ring 5, backing up and welding a J507 ultra-low hydrogen welding rod with specification phi 3.2 and phi 4.0 and welding current 110A, and then welding a plurality of layers with the J507 ultra-low hydrogen welding rod with specification phi 3.2 and phi 4.0 and current 120A; ensuring that the welding rod does not swing during welding, knocking the welding line after filling the welding line with multi-layer welding, and then winding an asbestos rope for heat preservation and slowly cooling to room temperature;
in the process of multilayer welding, paying attention to each shielding and striking of a welding line to remove welding slag completely and eliminate welding stress, controlling the overall temperature to be not more than 300 ℃ in the welding process, quickly soaking water with wet linen after each layer of welding to spread and coat the upper part of the conical lining plate body, particularly the lower part of the welding line, leading vaporized steam to take away a large amount of heat, striking the welding line after the water steam is completely dried, then winding a cutting ring with a asbestos rope, preserving heat, slowly cooling to room temperature, removing the asbestos rope and cleaning flying base welding slag;
seventhly, uniformly distributing the upper openings and the lower openings on the circumference of the split ring 5, in the welding step between the split ring 5 and the moving cone lining plate 4, in the welding process of circles of openings, when water vapor is completely dried, switching from the upper lower opening welding line to the lower opening welding line, and circles of lower opening welding lines are alternately carried out until all welding lines are welded;
eighth step: welding attention items: and finally, when the steel plate of the cover surface is welded, the welding current is not too large and is less than about 10% of the normal welding current, so that the defect of 'biting' is prevented, and in the process of overlaying the welding seam, the welding seam and the position of 100mm around the welding seam are repeatedly knocked by a hammer to eliminate internal stress.
Example two:
for better explaining the invention in step , the welding repair process of the invention is described by taking the welding repair of the cutting ring part between the moving cone lining plate 4 and the locking bolt 3 of the GP110 cone crusher as an example, and the specific method is as follows:
, adopting a multilayer welding mode of manual arc welding surfacing welding, manual arc welding local patching and manual cleaning and polishing;
step two: welding materials: the manual arc welding adopts a J507 ultralow hydrogen welding rod with the specification of phi 3.2 and phi 4.0, a power supply adopts direct current reverse connection, and a multilayer welding mode is adopted; the power supply adopts direct current reverse connection, J507 ultralow hydrogen welding rod welding is dried at the temperature of 350-400 ℃, the temperature is kept for 2 hours, the dried welding rod is placed in a heat-preserving cylinder at the temperature of 100 ℃, the welding rod is taken along with the use, and the wetted welding rod is forbidden to be used.
Step three: welding equipment: the manual electric arc welding adopts a ZX 7-400 welding machine;
step four: pretreatment in welding: cleaning mud dirt, oil dirt and iron rust at the welding joint of the split ring 5, the locking bolt 3 and the moving cone lining plate 4, carefully checking whether layer cracks and sand inclusion, air holes and shrinkage defects exist, if the defects exist, shoveling the defects by using a grinding wheel or an electric arc gouging, grinding the worn part by using the grinding wheel to remove a hardened layer, and cleaning up the impurities such as the iron rust, the oil dirt and the oxides within the range of 300mm around the welding area before welding;
fifthly, welding, namely excavating a V-shaped opening 6 at the welding position of a moving cone lining plate 4 and a locking bolt 3 of a cone crusher, welding cracks at the inner sides of the moving cone lining plate 4 and the locking bolt 3 firstly, carrying out manual arc welding surfacing, cleaning welding slag after welding layers, repairing and welding the defects of an upper layer before welding a lower layer, polishing and flattening the defects by using a polishing machine to ensure the welding quality, covering a 25mm thick nm400 lining plate on a welding seam after welding the groove, carrying out girdling welding on a nm400 lining plate steel plate with a welding leg of 25 degrees, carrying out girdling welding on a low-carbon structure deformed steel 7 with the same length V and a girdling size larger than phi 25mm and the locking bolt 3 with the welding leg of 25 degrees, putting the same shape with the girdling size smaller than 15mm of the opening size and the low-carbon structure deformed steel 7 with the V shape phi 25mm into the V-shaped opening 6, welding the V-shaped opening to be flat, and carrying out continuous welding before carrying out rewelding, keeping the constant temperature of ℃ at the welding position after the welding position is discontinuously.
Step six: welding attention items: the welding speed is controlled according to the fusion condition of the welding seam and the base metal, after welding is finished, the surface of the welding seam cannot have the defects of cracks, slag inclusion, air holes and the like, and finally when the steel plate of the cover surface is welded, the welding current is not too large and is less than about 10% of the normal welding current, so that the defect of 'biting meat' is prevented, and in the process of overlaying the welding seam, the welding seam and the position 100mm around the welding seam are repeatedly knocked by a hammer to eliminate the internal stress;
step seven: cleaning the surface after welding: after welding, all temporary supports on the surface of the weld joint and the surrounding area are removed, and the craters, welding spatters and the like are polished clean by an angle grinder;
step eight: and (4) postweld inspection, namely, detecting the existence of welding defects such as cracks, welding beading, pores, slag inclusion and the like through appearance inspection, performing internal detection on the welding seam by using UT, performing flaw detection according to the JB/T4730-2005 requirement, and judging that the UT acceptance requirement is qualified.
In conclusion, the welding process method for the moving cone lining plate and the locking bolt of the cone crusher improves the synchronization of the service cycle of the part and the lining plate through the improvement of the welding process technology, thereby effectively preventing the generation of thermal cracks after welding, not only realizing the effective welding among different materials, but also meeting the mechanical property requirement of a welding joint, improving the production efficiency and reducing the equipment faults.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1, A welding process method of a moving cone lining plate and a locking bolt of a cone crusher, which is characterized by comprising the following steps:
s1: pretreatment: cleaning mud dirt, oil dirt and iron rust at the welding joint of the split ring (5), the locking bolt (3) and the moving cone lining plate (4), shoveling layer cracks and sand inclusion, air holes and shrinkage cavity defects by adopting a grinding wheel or an electric arc gouging, grinding a hardened layer at a wear part by using the grinding wheel, and obliquely grinding an upper cut and a lower cut on the upper and lower connecting sections of the split ring (5) by using an angle grinder respectively;
s2: selecting a welding rod and a welding machine: j507 ultra-low hydrogen welding rod, specification phi 3.2, phi 4.0, the power adopts the direct current to connect conversely, adopt the multilayer welding way;
s3: the welding mode is as follows: adopting a multilayer welding mode of manual electric arc welding surfacing welding, manual electric arc welding local patching and manual cleaning and polishing;
s4: welding materials: the manual arc welding adopts 1 and 2, and the welding pretreatment: removing iron rust, oil stain and oxide sundries within a range of 200mm around a welding area before welding;
s5: welding: a V-shaped opening (6) is dug at the welding position of a moving cone lining plate (4) and a locking bolt (3) of the cone crusher, cracks at the inner sides of the moving cone lining plate (4) and the locking bolt (3) are firstly welded, and manual electric arc welding surfacing is carried out;
s6: firstly, welding between a locking bolt (3) and a split ring (5), backing up and welding a J507 ultra-low hydrogen welding rod with specification phi 3.2 and phi 4.0 and welding current 110A, and then welding a plurality of layers with the J507 ultra-low hydrogen welding rod with specification phi 3.2 and phi 4.0 and current 120A;
s7, uniformly distributing the upper and lower notches on the circumference of the split ring (5), in the welding step between the split ring (5) and the moving cone lining plate (4), in the welding process of circles of notches, when water vapor is completely dried, the welding process can be switched from the upper lower notch welding line to the lower notch welding line, and circles of lower notch welding lines are alternately carried out until all welding lines are welded;
s8: and finally, when the steel plate of the cover surface is welded, the welding current is not required to be too large and is less than 10% of the normal welding current, and in the process of overlaying the welding seam, the welding seam and the position 100mm away from the periphery are repeatedly knocked by a hammer to eliminate internal stress.
2. The welding process of kinds of moving cone lining plates and locking bolts of cone crusher as claimed in claim 1, wherein, after welding layers in S5, the welding slag is cleaned, the defects of the upper layer are repaired and welded before welding the lower layers, and polished by a polishing machine to ensure the welding quality, after welding the groove, the nm400 lining plate with the thickness of 25mm is covered on the welding seam, the nm400 lining plate steel plate adopts the girdling welding, the welding leg is 25 degrees, the low carbon structure screw steel (7) with the shape of phi 25mm is adopted, the low carbon structure screw steel with the surrounding side size larger than 25mm is girdled with the locking nut, the welding leg is 25 degrees, the homomorphism with the surrounding side size smaller than the opening size of 15mm is adopted, the low carbon structure screw steel with the surrounding side size of phi 25mm is put into the V-shaped opening to be welded to the welding seam to be flat, after the intermittent welding, before the welding is carried out again, the constant temperature of is kept after the welding is preheated to 200 ℃ -300 ℃.
3. The method for welding the moving cone lining plate and the locking bolt of a cone crusher as claimed in claim 1, wherein the welding rod is kept from swinging during welding in S6, the welding seam is knocked after the welding seam is filled by multiple layers of welding, and then the welding seam is wound by asbestos rope and is cooled slowly to room temperature.
4. The process for welding the moving cone lining plate and the locking bolt of kinds of cone crushers as claimed in claim 3, wherein in the multi-layer welding process, the welding slag is removed by shielding the welding seam each time, the welding stress is eliminated, the whole temperature is controlled not to exceed 300 ℃ in the welding process, after each layer of welding, the wet linen is quickly used for soaking water to be spread on the upper part of the moving cone lining plate (4), a large amount of heat is taken away by the vaporized steam below the welding seam, the welding seam is knocked after the water steam is completely dried out, then the asbestos rope is wound around the cutting ring to be insulated and slowly cooled to the room temperature, the asbestos rope is removed, and the flying base welding slag is cleaned.
5. method for welding the moving cone lining plate and the locking bolt of a cone crusher according to claim 1, wherein the locking bolt (3) is fixed on the supporting body (2), and the lower end surface of the supporting body (2) is welded with the rotating shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030202.XA CN110732751A (en) | 2019-10-28 | 2019-10-28 | welding process method for moving cone lining plate and locking bolt of cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030202.XA CN110732751A (en) | 2019-10-28 | 2019-10-28 | welding process method for moving cone lining plate and locking bolt of cone crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110732751A true CN110732751A (en) | 2020-01-31 |
Family
ID=69271650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030202.XA Pending CN110732751A (en) | 2019-10-28 | 2019-10-28 | welding process method for moving cone lining plate and locking bolt of cone crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084316A (en) * | 2021-04-30 | 2021-07-09 | 徐州徐工矿业机械有限公司 | Dissimilar steel ZG120Mn17Cr2 and Q355 welding process method, detection method and movable cone assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7467756B2 (en) * | 2006-04-10 | 2008-12-23 | Johnson Crushers International | Bowl liner movement detection method and apparatus |
| CN103252565A (en) * | 2012-02-20 | 2013-08-21 | 葛洲坝集团第五工程有限公司 | Method for welding cutting ring of cone crusher with locking bolt and movable cone liner plate |
| CN106392260A (en) * | 2016-11-14 | 2017-02-15 | 马鞍山市晨光高耐磨科技发展有限公司 | Build up welding device for inner wall of pipe type piece and control method of build up welding device |
| CN206793873U (en) * | 2017-05-08 | 2017-12-26 | 哈密红石矿业有限公司 | HP type moving cone of cone crusher liner plate attaching/detaching apparatus |
| CN109530886A (en) * | 2019-01-02 | 2019-03-29 | 马钢集团矿业有限公司 | A kind of heavy type electric excavator twin beams box-shaped shovel bar fracture welding and restoring process |
-
2019
- 2019-10-28 CN CN201911030202.XA patent/CN110732751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7467756B2 (en) * | 2006-04-10 | 2008-12-23 | Johnson Crushers International | Bowl liner movement detection method and apparatus |
| CN103252565A (en) * | 2012-02-20 | 2013-08-21 | 葛洲坝集团第五工程有限公司 | Method for welding cutting ring of cone crusher with locking bolt and movable cone liner plate |
| CN106392260A (en) * | 2016-11-14 | 2017-02-15 | 马鞍山市晨光高耐磨科技发展有限公司 | Build up welding device for inner wall of pipe type piece and control method of build up welding device |
| CN206793873U (en) * | 2017-05-08 | 2017-12-26 | 哈密红石矿业有限公司 | HP type moving cone of cone crusher liner plate attaching/detaching apparatus |
| CN109530886A (en) * | 2019-01-02 | 2019-03-29 | 马钢集团矿业有限公司 | A kind of heavy type electric excavator twin beams box-shaped shovel bar fracture welding and restoring process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084316A (en) * | 2021-04-30 | 2021-07-09 | 徐州徐工矿业机械有限公司 | Dissimilar steel ZG120Mn17Cr2 and Q355 welding process method, detection method and movable cone assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103481010B (en) | A kind of full-automatic online cold welding pattching roll squeezer technique | |
| CN110052728B (en) | Online welding repair method for end cover cracking of large ball mill | |
| CN103639643B (en) | Valve sealing face maintenance craft | |
| CN102974916B (en) | HP series grinding roller open arc built-up welding slip-off preventing welding method | |
| CN105382378A (en) | Surfacing welding method for abraded large roll shaft | |
| CN103084703A (en) | Method for patching, overlay welding and reproducing large-scale hollow steel casting | |
| CN107052701A (en) | A kind of roll overlaying technique | |
| CN113172361B (en) | Method and system for welding and repairing hub of wind generating set | |
| CN105171330B (en) | Chilling ring of gasifying furnace restorative procedure | |
| CN112958881A (en) | Manual welding device and welding process for cracking of suspension type gear reducer box body | |
| CN111168322A (en) | Repair welding process of nodular cast iron roller | |
| CN102950363B (en) | Overlaying repair process for winch drum | |
| CN110732751A (en) | welding process method for moving cone lining plate and locking bolt of cone crusher | |
| CN112077471A (en) | Online surfacing repair method for grinding roller of large vertical mill | |
| CN113427219B (en) | Manufacturing method of large steel Yankee dryer | |
| CN102284826B (en) | Repair process for cavitation corrosion of runner chamber of through-flow type water turbine | |
| CN106312438A (en) | Overhaul process for sealing surface of valve | |
| CN113182645A (en) | Large-scale black gold bearing bush surface welding repair device and repair process | |
| CN111215830A (en) | Method for repairing cracks of high-pressure medium-carbon cast steel oil cylinder body with thickness larger than 200mm | |
| CN109024903B (en) | Hemispherical support joint and manufacturing process thereof | |
| US4982066A (en) | Method of rehabilitating propeller hub bodies | |
| CN217071087U (en) | Bridge crane girder fracture is in line welding set | |
| CN214350629U (en) | Manual welding set of suspension type gear reduction box fracture | |
| CN111250824A (en) | Welding device and repair process for inner hole wear surface of upper cross beam of large hydraulic press | |
| CN102000922A (en) | Cast iron welding technique using cold welding and bead welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200131 |