CN210306184U - 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 PDF

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Publication number
CN210306184U
CN210306184U CN201920763239.2U CN201920763239U CN210306184U CN 210306184 U CN210306184 U CN 210306184U CN 201920763239 U CN201920763239 U CN 201920763239U CN 210306184 U CN210306184 U CN 210306184U
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China
Prior art keywords
arc welding
submerged arc
driving
bottom plate
driving wheel
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Expired - Fee Related
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CN201920763239.2U
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Chinese (zh)
Inventor
李光耀
杨晓燕
张军保
牛军
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Ningxia Wuzhong Haoyun Welder Co ltd
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Ningxia Wuzhong Haoyun Welder Co ltd
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Publication of CN210306184U publication Critical patent/CN210306184U/en
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Abstract

The utility model provides a guiding mechanism suitable for submerged arc welding of a base plate of a large thickener, which comprises a magnetic chuck base, an adjusting screw rod, a telescopic rocker arm, a driving upright post and a submerged arc welding head; the magnetic chuck base is provided with a rotating disk, and the adjusting screw rod is vertically arranged at the circle center of the rotating disk; the adjusting screw is in threaded connection with a threaded sleeve, a damping bearing is sleeved outside the threaded 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 head and the driving wheel are synchronously locked in a set direction. The utility model discloses a but make submerged arc welding head hoop and longitudinal movement welding, overcome the defect that the welding control range is little slow, the submerged arc welding head's to large-scale thickener bottom plate welding speed, realized the welding fast and stable to the thickener bottom plate to be applicable to the welding of the thickener bottom plate of different diameters.

Description

Guiding mechanism suitable for large thickener bottom plate submerged arc welding
The technical field is as follows:
the utility model relates to submerged arc welding's technical field especially involves a guiding mechanism suitable for large-scale thickener bottom plate submerged arc welding.
Background art:
in industrial production, a large thickener is used as a main production device for storing and concentrating, and the diameter of the thickener is between 3 and 100 m. When the thickener is built, the bottom plate at 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 thickener bottom plate, when submerged arc welding is adopted, the welding angle of the submerged arc welding machine needs to be continuously adjusted, and the thickener bottom plate is conical, so that when the longitudinal welding line is welded, the submerged arc welding machine is positioned on an inclined plane, the moving welding is unstable, and the welding quality is influenced; and the radius of the welding line of the conical bottom of the thickener bottom plate along the circumferential direction is larger, and the matched guide rail is required to be moved ceaselessly during welding, so that continuous welding cannot be finished, and the welding speed is greatly reduced.
The utility model has the following contents:
in view of the above, it is necessary to design a guiding mechanism suitable for submerged arc welding of a large thickener bottom plate, so that the welding speed is increased more stably when the thickener bottom plate is welded.
A guide mechanism suitable for submerged arc welding of a base plate of a large thickener is characterized by comprising a magnetic chuck base, an adjusting screw rod, a telescopic rocker arm, a driving upright post and a submerged arc welding head;
the magnetic chuck base is provided with a rotating disk, a driving motor for driving the rotating disk to rotate is arranged on the magnetic chuck base, and the adjusting screw rod is vertically arranged at the position of the circle center of the rotating disk;
the adjusting screw is in threaded connection with a threaded sleeve, a damping bearing is sleeved outside the threaded sleeve, and the telescopic rocker arm is horizontally connected with the damping bearing;
one end, far away from the damping bearing, of the telescopic rocker arm is fixedly connected with the top end of the driving upright post, a telescopic area is arranged in the middle of the driving upright post, 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 used for adjusting the inclination angle of the driving wheel;
the submerged arc welding machine head is rotatably connected to the lower portion of the driving stand column, and the welding position of the submerged arc welding machine head and the driving wheel are synchronously locked in the set direction.
Preferably, the magnetic chuck base includes the base platform and sets up the electro-magnet of base platform bottom, the electro-magnet is connected with the core of cone position magnetism of thickener bottom plate.
Preferably, a ball groove is formed in the table top 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 an output shaft of the driving motor is provided with a bevel gear meshed with the teeth.
Preferably, the adjusting screw rod is connected to the circle center of the rotating disc in a welding mode.
Preferably, the telescopic rocker arm is a telescopic arm formed by sequentially sleeving a plurality of rectangular pipe bodies, and the plurality of rectangular pipe bodies are connected in a sliding manner.
Preferably, the driving upright column comprises, from top to bottom: an upper support bar, the telescoping region, and a lower support bar; the telescopic area is connected with the upper supporting rod and the hydraulic telescopic rod between the lower supporting rods, and the upper supporting rod is connected with the tail end of the telescopic rocker arm in a welded mode.
Preferably, the bottom of the lower supporting rod is provided with a guide motor; the device is characterized by further comprising an n-shaped adjusting frame fixedly connected with an output shaft of the guide motor, two ends of the driving wheel are correspondingly assembled on a vertical frame of the n-shaped adjusting frame in a sliding mode, and the jackscrew adjusting rod is pressed against one end of the driving wheel after penetrating through a cross frame of the n-shaped adjusting frame in a threaded mode.
Preferably, one side of the lower supporting rod is rotatably connected with an installation frame for fixing the submerged arc welding head; and a connecting rod is connected between the mounting frame and the n-shaped adjusting frame.
Preferably, the width of the driving wheel is 30cm-50cm, and the outer surface of the driving wheel is provided with an anti-slip layer.
The utility model discloses a make the submerged arc welding head pass through adjusting screw, flexible rocking arm, drive between the stand closely cooperate, but hoop and longitudinal movement welding have overcome the defect slow to large-scale thickener bottom plate welding speed, that the welding control range of submerged arc welding head is little, have realized the welding fast and stable to the thickener bottom plate to be applicable to the welding of the thickener bottom plate of different diameters.
Drawings
FIG. 1 is a diagram of a guiding mechanism for submerged arc welding of a bottom plate of a large thickener according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a guiding mechanism suitable for submerged arc welding of a bottom plate of a large thickener according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a telescopic rocker arm and a driving upright provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a driving wheel provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a guiding mechanism suitable for submerged arc welding of a bottom plate of a large thickener according to another embodiment of the present invention.
Reference numerals:
magnetic chuck base-10 adjusting screw rod-20 telescopic rocker arm-30 driving upright column-40 driving wheel-50 submerged arc welding machine head-60 thickener bottom plate-70 base table-11 electromagnet-12 rotating disc-13 driving motor-14 teeth-131 bevel gear-141 screw sleeve-21 damping bearing-22 rectangular tube body-31 upper supporting rod-41 hydraulic telescopic rod-42 lower supporting rod-43 guide motor-44 n-shaped adjusting frame-51 top thread adjusting rod-52 anti-slip layer-53 mounting frame-61 connecting rod-62 connecting rod
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Firstly, in order to facilitate understanding of the guide mechanism provided by the embodiment of the application, the application scenario is explained, the guide mechanism provided by the embodiment of the application and applied to the submerged-arc welding of the large thickener base plate is used for providing guide during submerged-arc welding, however, in the prior art, the base plate of the submerged-arc welding thickener needs to be fixed by adopting a guide rail during submerged-arc welding, the submerged-arc welding machine moves along the guide rail for welding, the guide rail and the submerged-arc welding machine need to move continuously due to the large diameter of the thickener base plate, and the longitudinal welding seam and the circumferential welding seam exist on the thickener base plate, so that the moving frequency of the guide rail and the submerged-arc welding machine is greatly increased, the welding speed is slow, and the welding process of the submerged-arc welding machine is unstable. The following describes a guide mechanism suitable for submerged arc welding of a large thickener bottom plate according to an embodiment of the present application with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, the embodiment of the present application includes a magnetic chuck base 10, an adjusting screw 20, a telescopic rocker arm 30, a driving upright post 40, and a submerged arc welding head 60; this magnetic chuck base 10 is as guiding mechanism's fixed chassis, and this magnetic chuck base 10 includes base platform 11 and sets up the electro-magnet 12 in the base platform 11 bottom, and electro-magnet 12 is connected with the cone center position magnetism of thickener bottom plate 70. In the above configuration, it can be seen that by energizing electromagnet 12 and magnetically connecting it to the conical center of thickener bottom plate 70, the entire guide mechanism has a stable base plate and is de-energized after welding is complete and removed by a lifting device.
Continuing to refer to fig. 2, a rotating disk 13 is arranged on the magnetic disk base 10, and a driving motor 14 for driving the rotating disk 13 to rotate is arranged on the magnetic disk base 10; when the rotating disc 13 is driven to rotate, a ball groove is formed in the table top of the base table 11, the rotating disc 13 is nested in the ball groove, and teeth 131 are arranged on the upper surface of the rotating disc 13 in the circumferential direction; 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 disc 13 to rotate;
a vertical adjusting screw 20 is welded and connected to the center of the rotating disc 13, a threaded sleeve 21 is connected to the adjusting screw 20 in a threaded manner, a damping bearing 22 is sleeved outside the threaded sleeve 21, the telescopic rocker 30 is connected with the damping bearing 22 in a horizontal manner, one end, far away from the damping bearing 22, of the telescopic rocker 30 is fixedly connected with the top end of the driving upright post 40, a telescopic area is arranged in the middle of the driving upright post 40, a driving wheel 50 which rotates and can be locked in a set direction is connected to the bottom of the driving upright post 40, and the driving wheel 50 is connected with a top thread adjusting rod 52 for adjusting the inclination angle; the submerged arc welding head 60 is rotatably connected to the lower portion of the driving column 40, and the welding portion of the submerged arc welding head 60 is locked in a set direction in synchronization with the driving wheel 50.
In the embodiment, the driving motor 14 is started to drive the adjusting screw 20 to rotate, the driving wheel 50 is in contact with the bottom plate 70 of the thickener, and has a certain resistance, and under the action of the gravity of the submerged arc welding head 60, the rotation of the adjusting screw 20 does not drive the threaded sleeve 21 to rotate, 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 middle telescopic area of the driving upright post 40 stretches and retracts along with the threaded sleeve, so that the telescopic rocker arm 30 is always in a horizontal state.
With reference to fig. 3 and 4, the telescopic arm 30 is a telescopic arm formed by sequentially sleeving a plurality of rectangular tubes 31, and the plurality of rectangular tubes 31 are connected in a sliding manner. In the above structure, it can be seen that the driving wheel 50 drives the plurality of rectangular tube bodies 31 to sequentially extend or contract when moving along the longitudinal direction of the thickener bottom plate 70; it should be specifically explained that the plurality of rectangular tube bodies 31 are sequentially sleeved, extend outwards when being subjected to a pulling force, and retract inwards when being subjected to a pushing force, which is a common telescopic manner in the prior art and is not described in detail herein.
The driving column 40 is, from top to bottom: an upper support rod 41, a telescopic region, and a lower support rod 43; the telescopic area is a hydraulic telescopic rod 42 connected between an upper support rod 41 and a lower support rod 43, and the upper support rod 41 is connected with the rectangular pipe 31 at the tail end of the telescopic rocker arm 30 in a welding mode. The middle part of the driving upright post 40 is set to be the telescopic hydraulic telescopic rod 42, so that the hydraulic telescopic rod is suitable for being adjusted on the slope surface of the thickener bottom plate 70, the included angle between the driving upright post 40 and the telescopic rocker 30 is about 90 degrees, and the telescopic rocker 30 can be more smoothly stretched.
With continued reference to fig. 4, the bottom of the lower support bar 43 is provided with a guide motor 44; the device also comprises an n-shaped adjusting frame 51 fixedly connected with an output shaft of the guide motor 44, two ends of the driving wheel 50 are correspondingly assembled on a vertical frame of the n-shaped adjusting frame 51 in a sliding mode, and the jackscrew adjusting rod 52 is in threaded penetrating through a transverse frame of the n-shaped adjusting frame 51 and then is abutted against one end of the driving wheel 50. One side of the lower support rod 43 is rotatably connected with an installation 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 width of the driving wheel 50 is 30cm to 50cm, and the outer surface of the driving wheel 50 is provided with an anti-slip layer 53. It should be specifically mentioned 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 herein.
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 positioned 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 an axle slot is formed on the vertical frame at the other end; a through shaft penetrates through the driving wheel 50, one end of the through shaft is assembled in the shaft groove, the other end of the through shaft is assembled in the long waist hole in a sliding manner, the jackscrew adjusting rod 52 is in threaded connection with a cross frame of the n-shaped adjusting frame 51 and then is positioned in the long waist hole, meanwhile, a jackscrew is also arranged at the bottom of the long waist hole, one end of the through shaft positioned in the long waist hole is clamped and fixed, arc-shaped sheets matched with the through shaft are arranged at the end parts of the jackscrew adjusting rod 52 and the jackscrew, so that the inclination angle of the driving wheel 50 is adjusted when the thickener base plate 70 is welded in the circumferential direction, the driving wheel 50 is tightly attached to the base plate, an anti-slip layer 53 is arranged on the outer surface of the driving wheel 50, the telescopic rocker arm 30 is driven to rotate on the adjusting screw rod 20 when the driving wheel 50 rotates along the thickener base plate 70 in the circumferential direction, and the screw sleeve 21 does not rotate under, the original inherent welding mode is changed, a plurality of bottom plates can be firstly swung open along the ring shape, the bottom plates are fixed by spot welding, and then the ring-shaped uniform welding is adopted, so that the welding speed is greatly increased.
In another embodiment of the present application, referring to fig. 5, when the bottom plate 70 of the thickener is welded longitudinally, the running direction of the driving wheel 50 is turned by the rotation of the guiding motor 44, and the heights of the two ends of the driving wheel 50 are adjusted to be consistent; 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 of the bottom plate, the telescopic area of the driving upright post 40 extends and retracts to a high degree, the driving wheel 50 is tightly attached to the bottom plate, and the driving wheel 50 drives the telescopic rocker arm 30 to extend and retract in length when walking, so that the accuracy of the welding position of the submerged arc welding head 60 is guaranteed.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A guide mechanism suitable for submerged arc welding of a base plate of a large thickener is characterized by comprising a magnetic chuck base, an adjusting screw rod, a telescopic rocker arm, a driving upright post and a submerged arc welding head;
the magnetic chuck base is provided with a rotating disk, a driving motor for driving the rotating disk to rotate is arranged on the magnetic chuck base, and the adjusting screw rod is vertically arranged at the position of the circle center of the rotating disk;
the adjusting screw is in threaded connection with a threaded sleeve, a damping bearing is sleeved outside the threaded sleeve, and the telescopic rocker arm is horizontally connected with the damping bearing;
one end, far away from the damping bearing, of the telescopic rocker arm is fixedly connected with the top end of the driving upright post, a telescopic area is arranged in the middle of the driving upright post, 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 used for adjusting the inclination angle of the driving wheel;
the submerged arc welding machine head is rotatably connected to the lower portion of the driving stand column, and the welding position of the submerged arc welding machine head and the driving wheel are synchronously locked in the set direction.
2. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener according to claim 1, wherein 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 of the bottom plate of the thickener.
3. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener according to claim 2, wherein a ball groove is formed in the table surface of the base table, the rotating disc is nested in the ball groove, and teeth are arranged on the upper surface of the rotating disc in a circumferential direction; and an output shaft of the driving motor is provided with a bevel gear meshed with the teeth.
4. The guiding mechanism suitable for submerged arc welding of the base plate of the large thickener according to claim 1, wherein the telescopic rocker arm is a telescopic arm formed by sleeving a plurality of rectangular pipe bodies in sequence, and the plurality of rectangular pipe bodies are connected in a sliding manner.
5. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener according to claim 4, wherein the driving upright columns are sequentially arranged from top to bottom: an upper support bar, the telescoping region, and a lower support bar; the telescopic area is connected with the upper supporting rod and the hydraulic telescopic rod between the lower supporting rods, and the upper supporting rod is connected with the tail end of the telescopic rocker arm in a welded mode.
6. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener according to claim 5, wherein 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 an output shaft of the guide motor, two ends of the driving wheel are correspondingly assembled on a vertical frame of the n-shaped adjusting frame in a sliding mode, and the jackscrew adjusting rod is pressed against one end of the driving wheel after penetrating through a cross frame of the n-shaped adjusting frame in a threaded mode.
7. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener according to claim 6, wherein one side of the lower support rod is rotatably connected with a mounting rack for fixing the submerged arc welding head; and a connecting rod is connected between the mounting frame and the n-shaped adjusting frame.
8. The guide mechanism suitable for submerged arc welding of the bottom plate of the large thickener according to any one of claims 1 to 7, wherein the width of the wheel of the driving wheel is 30cm to 50cm, and the outer surface of the driving wheel is provided with an anti-slip layer.
CN201920763239.2U 2019-05-25 2019-05-25 Guiding mechanism suitable for large thickener bottom plate submerged arc welding Expired - Fee Related CN210306184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920763239.2U CN210306184U (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
CN201920763239.2U CN210306184U (en) 2019-05-25 2019-05-25 Guiding mechanism suitable for large thickener bottom plate submerged arc welding

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110064827A (en) * 2019-05-25 2019-07-30 宁夏吴忠市好运电焊机有限公司 A kind of guiding mechanism suitable for large-scale dense machine bottom board submerged arc welding
CN111906415A (en) * 2020-09-21 2020-11-10 四川省品重钢构股份有限公司 Cantilever type automatic submerged arc welding gas shielded welding integrated welding machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110064827A (en) * 2019-05-25 2019-07-30 宁夏吴忠市好运电焊机有限公司 A kind of guiding mechanism suitable for large-scale dense machine bottom board submerged arc welding
CN110064827B (en) * 2019-05-25 2024-05-31 宁夏吴忠市好运电焊机有限公司 Guiding mechanism suitable for large thickener bottom plate submerged arc welding
CN111906415A (en) * 2020-09-21 2020-11-10 四川省品重钢构股份有限公司 Cantilever type automatic submerged arc welding gas shielded welding integrated welding machine

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