CN110064827B - Guiding mechanism suitable for large thickener bottom plate submerged arc welding - Google Patents
Guiding mechanism suitable for large thickener bottom plate submerged arc welding Download PDFInfo
- Publication number
- CN110064827B CN110064827B CN201910442838.9A CN201910442838A CN110064827B CN 110064827 B CN110064827 B CN 110064827B CN 201910442838 A CN201910442838 A CN 201910442838A CN 110064827 B CN110064827 B CN 110064827B
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- 238000003466 welding Methods 0.000 title claims abstract description 87
- 239000002562 thickening agent Substances 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 13
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- B23K9/18—Submerged-arc welding
-
- 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention provides a guide mechanism suitable for submerged arc welding of a bottom plate of a large thickener, which comprises a magnetic chuck base, an adjusting screw, a telescopic rocker arm, a driving upright post and a submerged arc welding machine head, wherein the adjusting screw is arranged on the magnetic chuck base; the magnetic chuck base is provided with a rotary disk, and the adjusting screw is vertically arranged at the center of the rotary disk; the adjusting screw is connected with a screw sleeve in a threaded manner, a damping bearing is sleeved outside the screw sleeve, and the telescopic rocker arm is connected with the damping bearing; the telescopic rocker arm is connected with the top end of the driving upright post, the bottom of the driving upright post is connected with a driving wheel, and the driving wheel is connected with a jackscrew adjusting rod; the welding part of the submerged arc welding machine head and the driving wheel are synchronously locked in a set direction. The invention overcomes the defects of low welding speed and small welding adjustment range of the submerged arc welding head for the bottom plate of the large thickener by adopting the method that the submerged arc welding head can move and weld in the circumferential direction and the longitudinal direction, realizes the rapid and stable welding of the bottom plate of the thickener, and is suitable for welding the bottom plates of the thickeners with different diameters.
Description
Technical field:
the invention relates to the technical field of submerged arc welding, in particular to a guide mechanism suitable for submerged arc welding of a bottom plate of a large thickener.
The background technology is as follows:
In industrial production, large-scale thickeners are used as the main production equipment for storage and concentration, with diameters between 3m and 100 m. When the thickener is built, the bottom plate of the conical bottom of the thickener is formed by mutually splicing a plurality of steel plates and welding the steel plates by using a submerged arc welding machine.
When a large thickener is built, a longitudinal welding line and a circumferential welding line exist on a bottom plate of the thickener, when submerged arc welding is adopted, the welding angle of the submerged arc welding machine is required to be continuously adjusted, the bottom plate of the thickener is conical, and when the longitudinal welding line is welded, the submerged arc welding machine is positioned on an inclined plane, so that the moving welding is unstable, and the welding quality is affected; the radius of the welding seam of the conical bottom of the bottom plate of the thickener along the circumferential direction is larger, and the matched guide rail is required to be continuously moved during welding, so that continuous welding cannot be finished, and the welding speed is greatly reduced.
The invention comprises the following steps:
in view of this, it is necessary to design a guide mechanism suitable for submerged arc welding of a large thickener bottom plate, so that the welding speed is increased more stably when welding the thickener bottom plate.
The guide mechanism is suitable for submerged arc welding of the bottom plate of the large thickener and is characterized by comprising a magnetic chuck base, an adjusting screw, a telescopic rocker arm, a driving upright post and a submerged arc welding machine head;
the magnetic chuck base is provided with a rotary disk, the magnetic chuck base is provided with a driving motor for driving the rotary disk to rotate, and the adjusting screw is vertically arranged at the center of the rotary disk;
The adjusting screw is connected with a screw sleeve in a threaded manner, a damping bearing is sleeved outside the screw sleeve, and the telescopic rocker arm is horizontally connected with the damping bearing;
one end of the telescopic rocker arm, which is far away from the damping bearing, is fixedly connected with the top end of the driving upright post, the middle part of the driving upright post is provided with a telescopic area, the bottom of the driving upright post is connected with a driving wheel which rotates and can be locked in a set direction, and the driving wheel is connected with a jackscrew adjusting rod for adjusting the inclination angle of the driving wheel;
the submerged arc welding machine head is rotationally connected to the lower part of the driving upright post, and the welding part of the submerged arc welding machine head and the driving wheel are synchronously locked in the set direction.
Preferably, the magnetic chuck base comprises a base table and an electromagnet arranged at the bottom of the base table, and the electromagnet is magnetically connected with the conical center part of the bottom plate of the thickener.
Preferably, a ball groove is formed in the table top of the base table, the rotary disk is nested in the ball groove, and teeth are circumferentially arranged on the upper surface of the rotary disk; and a bevel gear meshed with the tooth is arranged on an output shaft of the driving motor.
Preferably, the adjusting screw is welded and connected to the center of the rotating disc.
Preferably, the telescopic rocker arm is a telescopic arm formed by sequentially sleeving a plurality of rectangular pipes, and the rectangular pipes are connected in a sliding manner.
Preferably, the driving upright post is from top to bottom: an upper support rod, the telescopic region and a lower support rod; the telescopic area is a hydraulic telescopic rod connected between the upper supporting rod and the lower supporting rod, and the upper supporting rod is welded with the rectangular pipe body at the extreme end of the telescopic rocker arm.
Preferably, a guide motor is arranged at the bottom of the lower support rod; the device is characterized by further comprising an n-shaped adjusting frame fixedly connected with the output shaft of the guide motor, wherein two ends of the driving wheel are correspondingly and slidably assembled on a vertical frame of the n-shaped adjusting frame, and after the thread of the jackscrew adjusting rod penetrates through a transverse frame of the n-shaped adjusting frame, the jackscrew adjusting rod is propped against one end of the driving wheel.
Preferably, one side of the lower support rod is rotatably connected with a mounting frame for fixing the submerged arc welding machine head; and a connecting rod is connected between the mounting frame and the n-shaped adjusting frame.
Preferably, the wheel width of the driving wheel is 30cm-50cm, and the outer surface of the driving wheel is provided with an anti-slip layer.
The invention adopts the tight fit among the adjusting screw, the telescopic rocker and the driving upright post to realize the circular and longitudinal movable welding, overcomes the defects of low welding speed and small welding adjusting range of the submerged arc welding head on the bottom plate of the large thickener, realizes the rapid and stable welding on the bottom plate of the thickener, and is suitable for the welding of the bottom plates of the thickeners with different diameters.
Drawings
FIG. 1 is a state diagram of a guide mechanism for submerged arc welding of a large thickener bottom plate provided by an embodiment of the present invention;
FIG. 2 is a schematic structural view of a guiding mechanism for submerged arc welding of a large thickener bottom plate provided by an embodiment of the present invention;
Fig. 3 is a schematic structural view of a telescopic rocker arm and a driving upright according to an embodiment of the present invention;
Fig. 4 is a schematic structural view of a driving wheel according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a guiding mechanism for submerged arc welding of a bottom plate of a large thickener according to another embodiment of the present invention.
Reference numerals:
The magnetic chuck base-10 adjusting screw-20 telescopic rocker-30 driving upright post-40 driving wheel-50 submerged arc welding machine head-60 thickener bottom plate-70 base table-11 electromagnet-12 rotary disk-13 driving motor-14 tooth teeth-131 bevel gear-141 screw sleeve-21 damping bearing-22 rectangular pipe body-31 upper supporting rod-41 hydraulic telescopic rod-42 lower supporting rod-43 guiding motor-44 n-shaped adjusting frame-51 jackscrew adjusting rod-52 anti-slip layer-53 mounting frame-61 connecting rod-62
The specific embodiment is as follows:
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Firstly, in order to facilitate understanding of the guide mechanism provided by the embodiment of the application, firstly, an application scene of the guide mechanism is explained, the guide mechanism suitable for submerged arc welding of the large thickener bottom plate is provided for guiding when the submerged arc welding is used for submerged arc welding, however, the guide rail is required to be adopted for fixing the thickener bottom plate in submerged arc welding in the prior art, the submerged arc welding machine moves along the guide rail for welding, the guide rail and the submerged arc welding machine are required to continuously move due to the fact that the diameter of the thickener bottom plate is large, and longitudinal welding seams and circumferential welding seams exist on the thickener bottom plate, so that the moving frequency of the guide rail and the submerged arc welding machine is greatly increased, the welding speed is low, and the submerged arc welding process of the submerged arc welding machine is unstable. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener provided by the embodiment of the application is described below with reference to the accompanying drawings.
Referring first to fig. 1 and 2, an embodiment of the present application includes a magnetic chuck base 10, an adjusting screw 20, a telescopic rocker arm 30, a driving upright 40, and a submerged arc welding head 60; the magnetic chuck base 10 is used as a fixed chassis of a guide mechanism, the magnetic chuck base 10 comprises a base table 11 and an electromagnet 12 arranged at the bottom of the base table 11, and the electromagnet 12 is magnetically connected with a cone center part of a thickener bottom plate 70. In the above construction, it can be seen that by magnetically connecting the electromagnet 12 to the center of the cone of the thickener base plate 70 after the electromagnet is energized, the entire guide mechanism has a stable chassis, and after the welding is completed, the guide mechanism is removed by the crane apparatus.
With continued reference to fig. 2, a rotating disk 13 is disposed on the magnetic chuck base 10, and a driving motor 14 for driving the rotating disk 13 to rotate is disposed on the magnetic chuck base 10; when the rotary disk 13 is specifically driven to rotate, a ball groove is formed in the table surface of the base table 11, the rotary disk 13 is nested in the ball groove, and teeth 131 are circumferentially arranged on the upper surface of the rotary disk 13; the output shaft of the driving motor 14 is provided with a bevel gear 141 engaged with the teeth 131. The rotation of the driving motor 14 drives the rotating disk 13 to rotate;
A vertical adjusting screw rod 20 is welded and connected to the center of the rotary disk 13, a threaded sleeve 21 is connected to the adjusting screw rod 20, a damping bearing 22 is sleeved outside the threaded sleeve 21, a telescopic rocker arm 30 is horizontally connected with the damping bearing 22, one end of the telescopic rocker arm 30, which is far away from the damping bearing 22, is fixedly connected with the top end of a driving upright post 40, a telescopic area is arranged in the middle of the driving upright post 40, the bottom of the driving upright post 40 is connected with a driving wheel 50 which rotates and can be locked in a set direction, and the driving wheel 50 is connected with a jackscrew adjusting rod 52 for adjusting the inclination angle of the driving wheel 50; submerged arc welding head 60 is rotatably connected to the lower portion of driving column 40, and the welding portion of submerged arc welding head 60 is locked in the set direction in synchronization with driving wheel 50.
In this embodiment, the driving motor 14 is started to drive the adjusting screw 20 to rotate, the driving wheel 50 contacts with the thickener bottom plate 70 to have a certain resistance, and under the gravity action of the submerged arc welding head 60, the adjusting screw 20 does not rotate the threaded sleeve 21, so that the threaded sleeve 21 rises or falls along the rotation direction of the adjusting screw 20, the height of the telescopic rocker arm 30 is convenient to adjust, and meanwhile, the telescopic region in the middle of the upright post 40 is driven to stretch accordingly, so that the telescopic rocker arm 30 is always in a horizontal state.
With continued reference to fig. 3 and 4, the telescopic rocker arm 30 is a telescopic arm formed by sequentially sleeving a plurality of rectangular tubes 31, and the rectangular tubes 31 are slidably connected. As can be seen from the above structure, the plurality of rectangular tubes 31 are driven to sequentially extend or retract by the driving wheel 50 moving longitudinally along the thickener bottom plate 70; it should be specifically noted that the rectangular tubes 31 are sequentially sleeved, and extend outwards when they are under tension, retract inwards when they are under thrust, and are a common telescopic manner in the prior art, and will not be described in detail.
The driving columns 40 are in turn from top to bottom: an upper support bar 41, a telescopic region, and a lower support bar 43; the telescopic area is a hydraulic telescopic rod 42 connected between an upper supporting rod 41 and a lower supporting rod 43, and the upper supporting rod 41 is welded and connected with the rectangular tube body 31 at the extreme end of the telescopic rocker arm 30. The middle part of the driving upright post 40 is provided with the telescopic hydraulic telescopic rod 42, which is suitable for being adjusted on the slope surface of the thickener bottom plate 70, so that the included angle between the driving upright post 40 and the telescopic rocker arm 30 is ensured to be about 90 degrees, and the telescopic rocker arm 30 can be more smoothly telescopic.
With continued reference to fig. 4, a guide motor 44 is provided at the bottom of the lower support bar 43; the device also comprises an n-shaped adjusting frame 51 fixedly connected with the output shaft of the guide motor 44, two ends of the driving wheel 50 are correspondingly and slidably assembled on a vertical frame of the n-shaped adjusting frame 51, and after the thread of the jackscrew adjusting rod 52 penetrates through a transverse frame of the n-shaped adjusting frame 51, the jackscrew adjusting rod is abutted against one end of the driving wheel 50. One side of the lower support rod 43 is rotatably connected with a mounting frame 61 for fixing the submerged arc welding head 60; a connecting rod 62 is connected between the mounting frame 61 and the n-shaped adjusting frame 51. Preferably, the driving wheel 50 has a wheel width of 30cm-50cm, and the outer surface of the driving wheel 50 is provided with an anti-slip layer 53. It should be noted that the driving wheel 50 is driven by a motor, which is a common driving wheel 50 in the prior art, and will not be described in detail.
In this embodiment, in order to be suitable for welding the circumferential weld of the thickener bottom plate 70, and the driving wheel 50 is located on the slope surface, a long waist hole is formed on the vertical frame at one end of the n-shaped adjusting frame 51, and a shaft groove is formed on the vertical frame at the other end; the drive wheel 50 runs through the through shaft, one end of the through shaft is assembled in the shaft groove, the other end of the through shaft is slidingly assembled in the long waist hole, the jackscrew adjusting rod 52 is in threaded connection with the transverse frame of the n-shaped adjusting frame 51 and then is positioned in the long waist hole, jackscrews are also arranged at the bottom of the same time long waist hole, one end of the through shaft positioned in the long waist hole is clamped and fixed, and arc-shaped sheets matched with the through shaft are arranged at the ends of the jackscrew adjusting rod 52 and the jackscrews, so that when the bottom plate 70 of the thickener is subjected to circumferential welding, the inclination angle of the drive wheel 50 is adjusted, the drive wheel 50 is tightly attached to the bottom plate, an anti-skid layer 53 is arranged on the outer surface of the drive wheel 50, when the drive wheel 50 is subjected to circumferential rotation along the bottom plate 70 of the thickener, the telescopic rocker arm 30 is driven to rotate on the adjusting screw 20, and under the action of the damping bearing 22, the threaded sleeve 21 does not follow rotation, so that the telescopic rocker arm 30 is subjected to the circumferential welding, the original inherent height is maintained, the original inherent welding mode is changed, the multiple bottom plates can be firstly swung and then welded in a spot mode, and the original multiple bottom plates are subjected to circumferential welding, and the circular unified welding is adopted.
In another embodiment of the present application, referring to fig. 5, when the thickener bottom plate 70 is longitudinally welded, the traveling direction of the driving wheel 50 is turned by the rotation of the guiding motor 44, and the heights of both ends of the driving wheel 50 are adjusted to be uniform; the mounting frame 61 is connected to the lower support rod 43 through a bearing, and when the n-shaped adjusting frame 51 rotates, the mounting frame 61 is driven to rotate under the action of the connecting rod 62, so that the welding direction of the submerged arc welding head 60 is changed; the driving wheel 50 moves along the slope surface of the bottom plate, the telescopic area of the driving upright post 40 stretches and contracts in height, the driving wheel 50 is tightly attached to the bottom plate, and the driving wheel 50 drives the telescopic rocker arm 30 to stretch and contract in length when walking, so that the accuracy of the welding position of the submerged arc welding head 60 is ensured.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (3)
1. The guide mechanism is suitable for submerged arc welding of the bottom plate of the large thickener and is characterized by comprising a magnetic chuck base, an adjusting screw, a telescopic rocker arm, a driving upright post and a submerged arc welding machine head;
The magnetic chuck base comprises a base table and an electromagnet arranged at the bottom of the base table, and the electromagnet is magnetically connected with the cone center part of the bottom plate of the thickener;
the magnetic chuck base is provided with a rotary disk, the magnetic chuck base is provided with a driving motor for driving the rotary disk to rotate, and the adjusting screw is vertically arranged at the center of the rotary disk;
The adjusting screw is connected with a screw sleeve in a threaded manner, a damping bearing is sleeved outside the screw sleeve, and the telescopic rocker arm is horizontally connected with the damping bearing;
one end of the telescopic rocker arm, which is far away from the damping bearing, is fixedly connected with the top end of the driving upright post, the middle part of the driving upright post is provided with a telescopic area, the bottom of the driving upright post is connected with a driving wheel which rotates and can be locked in a set direction, and the driving wheel is connected with a jackscrew adjusting rod for adjusting the inclination angle of the driving wheel;
the telescopic rocker arm is a telescopic arm formed by sleeving a plurality of rectangular pipes in sequence, and the rectangular pipes are connected in a sliding manner;
the driving upright post sequentially comprises the following components from top to bottom: an upper support rod, the telescopic region and a lower support rod; the telescopic area is a hydraulic telescopic rod connected between the upper support rod and the lower support rod, and the upper support rod is welded with a rectangular pipe body at the extreme end of the telescopic rocker arm;
A guide motor is arranged at the bottom of the lower support rod; the device also comprises an n-shaped adjusting frame fixedly connected with the output shaft of the guide motor, two ends of the driving wheel are correspondingly and slidingly assembled on a vertical frame of the n-shaped adjusting frame, the jackscrew adjusting rod threads penetrate through the transverse frame of the n-shaped adjusting frame and then are propped against one end of the driving wheel;
One side of the lower support rod is rotatably connected with a mounting frame for fixing the submerged arc welding machine head; a connecting rod is connected between the mounting frame and the n-shaped adjusting frame;
the submerged arc welding machine head is rotationally connected to the lower part of the driving upright post, and the welding part of the submerged arc welding machine head and the driving wheel are synchronously locked in the set direction.
2. The guiding mechanism for submerged arc welding of the bottom plate of the large thickener according to claim 1, wherein a ball groove is formed on the table surface of the base table, the rotating disc is nested in the ball groove, and teeth are circumferentially arranged on the upper surface of the rotating disc; and a bevel gear meshed with the tooth is arranged on an output shaft of the driving motor.
3. The guide mechanism for submerged arc welding of a floor of a large thickener according to claim 1, wherein the driving wheel has a wheel width of 30cm to 50cm, and the outer surface of the driving wheel is provided with an anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442838.9A CN110064827B (en) | 2019-05-25 | 2019-05-25 | Guiding mechanism suitable for large thickener bottom plate submerged arc welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442838.9A CN110064827B (en) | 2019-05-25 | 2019-05-25 | Guiding mechanism suitable for large thickener bottom plate submerged arc welding |
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| CN110064827A CN110064827A (en) | 2019-07-30 |
| CN110064827B true CN110064827B (en) | 2024-05-31 |
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| CN201910442838.9A Active CN110064827B (en) | 2019-05-25 | 2019-05-25 | Guiding mechanism suitable for large thickener bottom plate submerged arc welding |
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| CN114378502B (en) * | 2022-03-24 | 2022-06-24 | 中国核工业二四建设有限公司 | Mobile robot for automatic continuous welding of right-angle fillet weld |
| CN114952101B (en) * | 2022-06-09 | 2024-02-20 | 宜兴华威封头有限公司 | Sectional machining device and method for spherical seal heads |
| CN115570246B (en) * | 2022-11-21 | 2023-04-25 | 烟台兴晟环保科技有限公司 | Guiding mechanism for submerged arc welding of bottom plate of thickener |
| CN117245181A (en) * | 2023-11-17 | 2023-12-19 | 河北品华管业有限公司 | Triaxial transmission mechanism of submerged arc welding machine |
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| CN110064827A (en) | 2019-07-30 |
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