CN115709353B - Drilling platform spud leg rack plate and semicircular plate welding device and welding method - Google Patents
Drilling platform spud leg rack plate and semicircular plate welding device and welding method Download PDFInfo
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- CN115709353B CN115709353B CN202211437198.0A CN202211437198A CN115709353B CN 115709353 B CN115709353 B CN 115709353B CN 202211437198 A CN202211437198 A CN 202211437198A CN 115709353 B CN115709353 B CN 115709353B
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- 238000003466 welding Methods 0.000 title claims abstract description 64
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- 230000002146 bilateral effect Effects 0.000 description 2
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Abstract
The invention relates to the technical field of welding of drilling platform leg rack plates and semicircular plates, and particularly discloses a welding device of the drilling platform leg rack plates and semicircular plates, which comprises a supporting mechanism, a limiting mechanism and a driving mechanism, wherein the supporting mechanism comprises a bottom overturning supporting component and a bottom limiting supporting component, the limiting mechanism comprises an overturning fixing component, a side limiting component and an upper end limiting component, and the driving mechanism comprises a bottom overturning driving component, an upper end overturning driving component and a limiting supporting driving component; according to the invention, semicircular plates are symmetrically fixed on the left side and the right side of the existing tool, then the rack plate is hung on the bottom limiting support assembly, and then the tool is driven to perform overturning positioning, so that the whole process is simple to operate, less time is consumed, and the assembly efficiency is improved; after the workpiece is positioned on the tool, the workpiece is not subjected to rotary driving action in the welding process, the bearing stress of one side of the tool is lower, the supporting stability of the tool is improved, and the running cost of the tool driving is reduced.
Description
Technical Field
The invention relates to the technical field of welding of drilling platform leg rack plates and semicircular plates, in particular to a welding device and a welding method for the drilling platform leg rack plates and semicircular plates.
Background
Drilling platform spud leg is by rack board and semicircle board welding formation, rack board and semicircle board welding among the prior art are fixed a position after passing through hoist and mount many times, then carry out welding operation, because rack board and semicircle board dimensional structure are great, need accomplish the location with the help of auxiliary positioning equipment, for example, patent No. CN103521990A discloses a drilling platform spud leg welding is with turning device, including left support seat frame, right support seat frame and install leveling bolt I on left support seat frame, right support seat frame respectively, leveling bolt II, establish the driving shaft on the left support seat frame, left clamping body is established to the one end fixing of driving shaft, driven gear is established to the other end fixing of driving shaft, driven gear meshes with the driving gear, driving gear links to each other with the motor, establish crossbeam I on the left clamping body, clamping body locking lead screw I, establish the driven shaft on the right support seat frame, establish right clamping body on the right clamping body, clamping body locking lead screw II, the crossbeam locking lead screw II, the other end fixing of driven shaft establishes the stopper. The invention realizes the turnover of the pile leg at any angle, ensures the safety of various angles and operations required during welding, greatly improves the working efficiency, has a certain superiority which is 2-3 times of the traditional welding mode, meets the production requirements to a certain extent, and can meet the general use requirements, but has the following defects in the actual use process:
1. in the welding equipment for the leg rack plate and the semicircular plate of the drilling platform in the prior art, the semicircular plate and the rack plate are required to be respectively lifted and positioned in the positioning process, and the tooling operation consumes time, so that the assembly efficiency of the welding equipment is required to be further improved;
2. In the prior art, the welding equipment for the leg rack plate and the semicircular plate of the drilling platform needs to turn over the workpiece when in half welding, supports at two sides are supported through the rotating shafts, the bearing is large, the stability of the drilling platform needs to be further improved, and the required driving work is large, so that the driving energy consumption is large, and the production cost is increased.
Disclosure of Invention
The invention aims to provide a welding device for a spud leg rack plate and a semicircular plate of a drilling platform, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a drilling platform spud leg rack board and semicircle board welding set, includes supporting mechanism, stop gear and actuating mechanism, supporting mechanism includes the bottom spacing supporting component that bottom upset supporting component and bottom upset supporting component were established in the middle of, stop gear includes the side spacing subassembly that upset fixed component side was inserted and the upper end spacing subassembly that upset fixed component upper end was established, actuating mechanism includes the bottom upset actuating component that bottom upset supporting component side was established, the upper end upset actuating component that upset fixed component upper end one side was established and the spacing supporting actuating component that establishes in the middle of the spacing supporting component of bottom.
Preferably, the bottom overturning supporting component comprises two supporting bottom plates which are distributed in a bilateral symmetry mode, overturning supporting groove plates are symmetrically arranged on the inner sides of the upper ends of the supporting bottom plates in a front-back mode, and fixing holes are uniformly distributed on the outer sides of the upper ends of the supporting bottom plates.
Preferably, the bottom overturning driving assembly comprises an overturning shaft I penetrating through two sides of the overturning supporting groove plate body, a driving motor mounting seat I is fixedly mounted on the outer side of the overturning supporting groove plate and at the shaft end of the overturning shaft I, a driving motor I is fixedly mounted on the outer side face of the driving motor mounting seat I, and a main shaft of the driving motor I is fixedly connected with the shaft end of the driving motor mounting seat I through a shaft coupling.
Preferably, the fixed subassembly of upset includes the fixed arm that turns over of upset support groove plate cell body middle and the fixed cover of upset axle I mutually and joins in marriage down, the fixed supporting seat that is equipped with in the outside of upset fixed arm upper end down, the spacing circular slot of convex structure has been seted up to the inboard centre subtending of upset fixed arm down, spacing circular slot's outside and equipartition have been seted up spacing end hole on the preceding terminal surface of upset fixed arm down, and the symmetry is equipped with the upset support groove plate on the up end of upset fixed arm down in the left side, and the inboard perpendicular fixedly connected with of upset limiting plate of upset fixed arm up end down in the right side.
Preferably, the side limiting assembly comprises an end plate which is arranged at the front end face of the lower overturning fixed arm and at the orifice position of the limiting end hole, one end of the end plate is vertically and fixedly connected with a limiting plate I parallel to the axis of the limiting round groove, an adjusting screw is screwed on the outer side of the limiting plate I, a plug depth limiting table is vertically and fixedly connected with the end face direction of the end plate downwards overturning fixed arm, a plug column which is matched with the limiting end hole in a plug-in mode is fixedly arranged on the side face of the plug depth limiting table, and a handle is fixedly connected in the middle of the outer side face of the end plate.
Preferably, the upper end overturning driving assembly comprises an overturning shaft II which is penetrated and matched with the middle parts of two sides of the upper overturning supporting groove plate, a driving motor installation seat II is fixedly installed on the outer side face of the upper overturning supporting groove plate and at the shaft end position of the overturning shaft II, a driving motor II is fixedly installed on the outer side face of the driving motor installation seat II, and a main shaft of the driving motor II is fixedly connected with the shaft end of the overturning shaft II through a coupler.
Preferably, the upper end limiting assembly comprises an upper overturning fixing arm which is fixedly sleeved with the overturning shaft II and positioned in the middle of an upper overturning supporting groove plate, the other end of the upper overturning fixing arm is provided with a limiting hook head of an L-shaped structure, the outer side of the limiting hook head is fixedly provided with a telescopic cylinder, and the inner side of the limiting hook head is fixedly connected with a limiting plate II at the end part of a piston rod of the telescopic cylinder.
Preferably, the bottom limiting support assembly comprises a bottom limiting support seat fixedly connected between a left support seat and a right support seat, a vertical transmission groove is vertically formed in the middle of the bottom limiting support seat, and a horizontal transmission groove is horizontally formed in one side of the vertical transmission groove.
Preferably, the spacing support drive assembly includes the lifting screw who wears to join in marriage mutually with vertical transmission groove upper and lower both ends, the centre of vertical transmission groove and in lifting screw outside spiro union have the swivel nut, wear to be equipped with rotation axis III in the middle of the front and back both ends of horizontal transmission groove, the centre of horizontal transmission groove and fixed being equipped with the worm wheel on rotation axis III's excircle, the worm wheel meshes with the outside of swivel nut mutually, the perpendicular fixedly connected with drive carousel of axle head of rotation axis III, lifting screw's upper end fixedly connected with spacing backup pad III that the level set up.
Preferably, the invention also relates to a welding method of the drilling platform spud leg rack plate and the semicircular plate, and the process specifically comprises the following steps:
firstly, positioning a tool, namely judging the positions of the tool at the front end and the rear end of a semicircular plate according to the length of the semicircular plate, coaxially placing the tool at the positions of the front end and the rear end of the semicircular plate according to the length positions according to the corresponding length distances, adjusting a rotary driving turntable according to the welding height of a rack plate in the middle of the semicircular plate, enabling a limiting support plate III to rise to a designated height, enabling the upper end surface of the limiting support plate III to face the bottom of the rack plate to form a corresponding limiting support, then starting a driving motor II to upwards turn up an upper turning fixing arm to keep the upper turning fixing arm and a lower turning fixing arm in a same-direction parallel state, starting a driving motor I to outwards turn the lower turning fixing arm to a horizontal state, and enabling a support seat at the end part of the lower turning fixing arm to prop against a bottom support surface;
hoisting a semicircular plate, hoisting the semicircular plate above a limiting circular groove on the inner side of a lower overturning fixing arm, adjusting the heights of two side edges of the semicircular plate to enable the upper end surface of the semicircular plate to be kept horizontal, and then lowering the semicircular plate into the limiting circular groove;
step three, fixing a semicircular plate, placing side limiting assemblies at the front end and the rear end of the semicircular plate, holding a handle on the outer side surface of the end plate to enable the limiting plate I to face the inner side surface of the semicircular plate, inserting a plug-in column into a limiting end hole on the side surface of a lower overturning fixing arm, and screwing an adjusting screw to tightly push the limiting plate I against the inner side surface of the semicircular plate to finish the fixation of the semicircular plate;
Hoisting the rack plate above the limit support plate III, keeping the rack plate in a vertical state, enabling the front and rear ends of the rack plate to be in a corresponding state with the front and rear ends of the semicircular plate, and then placing the rack plate on the upper end surface of the limit support plate III, keeping the rack plate in a vertical hoisting state;
turning the semicircular plates, starting a driving motor I to turn the semicircular plates on two sides of the rack plate oppositely towards the middle, after the end faces of the semicircular plates are attached to two side faces of the rack plate, starting a driving motor II to turn the upper turning fixing arm to a horizontal position, and then starting a telescopic cylinder to enable a limiting plate II to tightly prop the upper turning limiting plate, and loosening the rack plate to be separated from a hoisting state;
Step six, welding and positioning, namely performing multi-section positioning welding on the rack plate and the semicircular plate in the welding line direction, and taking care of avoiding the lower end position of the upper overturning fixed arm;
Step seven, opening the upper end for limiting, starting the telescopic cylinder to retract after the fixed-position welding is finished, retracting the limiting plate II to the original position, and then starting the driving motor II to turn the upper turning fixing arm to the vertical direction;
and eighth, integrally welding, namely synchronously and symmetrically welding seams at the left end and the right end of the rack plate.
Step nine, unloading the workpieces, namely firstly dismantling side limiting assemblies on the same sides of the front end and the rear end of the rack plate after welding is finished, specifically, firstly loosening an adjusting screw, then holding a handle on the outer side face of an end plate to pull out a connecting and inserting column from a limiting end hole on the end face of a lower overturning positioning arm, normally stacking the pulled side limiting assemblies in groups, starting a driving motor I on one side of the side limiting assembly, overturning the whole welding workpiece to the horizontal direction after taking out, loosening the side limiting assembly on the other side of the rack plate after overturning to the horizontal position, enabling the whole workpiece to be in a movable state in a limiting circular groove after dismantling, and integrally hoisting and shifting the workpiece to a designated transferring device at the moment to finish the workpiece unloading action.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. According to the invention, the semicircular plates are respectively fixed on the overturning fixing assemblies at the left side and the right side, then the rack plates are hung on the bottom limiting support assembly, and the bottom overturning driving assembly is driven to oppositely overturn and position the semicircular plates towards the two sides of the middle rack plate, so that the whole process is simple to operate, the time consumption is less, and the assembly efficiency is improved;
2. According to the invention, after the workpiece is positioned on the tool, the whole workpiece is welded, the middle part is not driven in a rotating way, and the whole workpiece is supported in a bilateral symmetry manner, so that the bearing capacity of a single side is reduced, the stability of the tool support is improved, the driving work is reduced, the energy consumption is reduced, and the running cost of the tool is reduced.
Drawings
FIG. 1 is an isometric view of the overall structure of rack plate and semicircle plate after installation on the tooling of the present invention;
FIG. 2 is a cross-sectional axial side view of the integrated structure of rack plates and semicircular plates after installation on the tooling of the present invention;
FIG. 3 is an isometric view of the overall structure of the present invention;
FIG. 4 is an axial side half sectional view of the overall structure of the present invention;
FIG. 5 is a front view of the overall structure of the present invention;
FIG. 6 is an isometric view of the cross-sectional structure of FIG. 5 at A-A;
FIG. 7 is an enlarged schematic view of a partial structure at B in FIG. 6;
FIG. 8 is a left side view of the overall structure of the present invention;
FIG. 9 is an isometric view of the cross-sectional structure of FIG. 8 at C-C;
FIG. 10 is an isometric view of the cross-sectional structure of FIG. 8 taken at D-D;
FIG. 11 is an enlarged schematic view of the partial structure at F in FIG. 10;
fig. 12 is an isometric view of the cross-sectional structure of fig. 8 at E-E.
In the figure: 1. a bottom roll-over support assembly; 2. a bottom flip drive assembly; 3. overturning the fixed assembly; 4. a lateral limit assembly; 5. the upper end overturning driving assembly; 6. an upper end limiting assembly; 7. a bottom limit support assembly; 8. a limit support driving assembly; 101. a support base plate; 102. turning over the supporting groove plate; 103. a fixing hole; 201. a turnover shaft I; 202. a driving motor mounting seat I; 203. a driving motor I; 301. a lower overturning fixing arm; 302. a support base; 303. limiting round grooves; 304. limiting end holes; 305. the upper overturning supporting groove plate; 306. an upper overturning limiting plate; 401. an end plate; 402. a limiting plate I; 403. a plug depth limiting table; 404. connecting a plug-in column; 405. a handle; 406. an adjusting screw; 501. a turning shaft II; 502. a driving motor mounting seat II; 503. a driving motor II; 601. an upper overturning fixing arm; 602. limiting hook heads; 603. a telescopic cylinder; 604. a limiting plate II; 701. a bottom limit supporting seat; 702. a vertical transmission groove; 703. a horizontal transmission groove; 801. lifting screw rods; 802. a limit supporting plate III; 803. a screw sleeve; 804. a rotation axis III; 805. a worm wheel; 806. the turntable is driven.
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.
Referring to fig. 1 to 12, the present invention provides a technical solution: the welding device for the spud leg rack plate and the semicircular plate of the drilling platform comprises a supporting mechanism, a limiting mechanism and a driving mechanism, wherein the supporting mechanism comprises a bottom limiting supporting component 7 arranged between a bottom overturning supporting component 1 and the bottom overturning supporting component 1, the limiting mechanism comprises an overturning fixing component 3, a side limiting component 4 inserted and matched on the side surface of the overturning fixing component 3 and an upper end limiting component 6 arranged at the upper end of the overturning fixing component 3, the driving mechanism comprises a bottom overturning driving component 2 arranged on the side surface of the bottom overturning supporting component 1, a limiting supporting driving component 8 arranged between an upper end overturning driving component 5 arranged on one side of the upper end of the overturning fixing component 3 and the bottom limiting supporting component 7, wherein the bottom overturning supporting component 1 plays a role of bottom supporting relative to the bottom overturning driving component 2, the bottom overturning driving component 2 plays a role in side overturning driving relative to the overturning fixing component 3, the overturning fixing component 3 plays a role in supporting the side limiting component 4, the upper end overturning driving component 5 and the upper end limiting component 6, the side limiting component 4 plays a role in radial limiting and fixing relative to the workpiece on the inner side of the overturning fixing component 3, the upper end overturning driving component 5 plays a role in side overturning driving relative to the upper end limiting component 6, the upper end of the upper end limiting component 6 plays a role in auxiliary fixing on the left side and the right side relative to the upper end of the overturning fixing component 3, the bottom limiting and supporting component 7 plays a role in supporting the side limiting and supporting relative to the limiting and driving component 8, and the limiting and driving component 8 plays a role in limiting and supporting the bottom of a month relative to the rack plate.
Further, the bottom overturning supporting component 1 comprises two supporting bottom plates 101 which are symmetrically distributed left and right, overturning supporting groove plates 102 are symmetrically arranged around the inner side of the upper end of each supporting bottom plate 101, fixing holes 103 are uniformly formed in the outer side of the upper end of each supporting bottom plate 101, the supporting bottom plates 101 play a role in supporting the bottom relative to the overturning supporting groove plates 102, the overturning supporting groove plates 102 play a role in supporting the overturning fixing arms 301 and the overturning shafts I201 in a side rotating mode relative to each other, the fixing holes 103 are mainly used for facilitating fixing of the supporting bottom plates 101, after the supporting bottom plates 101 are placed according to the fixed length of a semicircular plate, the supporting bottom plates 101 are fixed on the ground through expansion screws at the fixing holes 103, and the fixing stability of the bottom of the whole tool is guaranteed.
Further, the bottom overturning driving assembly 2 comprises an overturning shaft I201 penetrating through two sides of the groove body of the overturning supporting groove plate 102, a driving motor installation seat I202 is fixedly installed on the outer side of the overturning shaft I201, a driving motor I203 is fixedly installed on the outer side face of the driving motor installation seat I202, a main shaft of the driving motor I203 is fixedly connected with the shaft end of the driving motor installation seat I202 through a coupler, wherein the overturning shaft I201 plays a rotary driving role relative to the lower overturning fixing arm 301, the driving motor installation seat I202 plays a fixed supporting role relative to the driving motor I203, the overturning supporting groove plate 102 plays a side fixing role relative to the driving motor installation seat I202, the driving motor I203 plays a rotary driving role relative to the overturning shaft I201, and the overturning supporting groove plate 102 plays a two-side rotary supporting role relative to the overturning shaft I201.
Further, the fixed subassembly 3 overturns includes the fixed arm 301 of lower upset that joins in marriage with the fixed cover mutually of tilting shaft I201 in the middle of the upset support groove plate 102 cell body, the outside fixed supporting seat 302 that is equipped with of lower upset fixed arm 301 upper end, the spacing circular slot 303 of convex structure has been seted up to the centre subtend of lower upset fixed arm 301 inboard, the outside of spacing circular slot 303 and the equipartition has been seted up spacing end hole 304 on the preceding terminal surface of lower upset fixed arm 301, the upper end face of left side lower upset fixed arm 301 is gone up the front and back symmetry and has been equipped with upset support groove plate 305, and the inboard vertical fixation who overturns the upper end face of fixed arm 301 is gone up on the right side is connected with upset limiting plate 306, wherein, the supporting seat 302 plays a horizontal support effect with the side of lower upset fixed arm 301 relatively, the whole outwards overturns to the horizontal position department of lower upset fixed arm 301 through supporting seat 302, the unsettled one end of lower upset fixed arm 301 supports, the steadiness that improves the horizontal position of lower upset fixed arm 301 supports, spacing circular slot 303 plays a spacing effect with respect to the semicircle plate, spacing end hole 304 plays a spacing subassembly 4 plays a side spacing subassembly, the relative side of side spacing subassembly, the spacing subassembly is played a spacing effect is reached on the relative top 5 tip of spacing subassembly is fixed to the upper end of spacing 5.
Further, the side limiting component 4 comprises an end plate 401 arranged at the front end face of the lower overturning fixing arm 301 and at the orifice position of the limiting end hole 304, one end of the end plate 401 is vertically and fixedly connected with a limiting plate I402 parallel to the axis of the limiting round groove 303, an adjusting screw 406 is screwed on the outer side of the limiting plate I402, a plugging depth limiting table 403 is vertically and fixedly connected with the end face direction of the lower overturning fixing arm 301 at the other end of the end plate 401, a plugging column 404 matched with the limiting end hole 304 is fixedly arranged on the side face of the plugging depth limiting table 403, a handle 405 is fixedly connected with the middle of the outer side face of the end plate 401, the end plate 401 plays a role of connecting and supporting the limiting plate I402 plays a role of limiting and propping the inner side of the semicircular plate, the plugging column 404 plays a role of guiding and limiting support, the plugging depth limiting table 403 plays a role of plugging depth limiting the plugging column 404, and the handle 405 is convenient to move the whole side limiting component 4.
Further, the upper end overturning driving assembly 5 comprises an overturning shaft II 501 penetrating through the middle of two sides of the upper overturning supporting groove plate 305, a driving motor installation seat II 502 is fixedly installed on the outer side face of the upper overturning supporting groove plate 305 and at the shaft end position of the overturning shaft II 501, a driving motor II 503 is fixedly installed on the outer side face of the driving motor installation seat II 502, a main shaft of the driving motor II 503 is fixedly connected with the shaft end of the overturning shaft II 501 through a coupler, wherein the overturning shaft II 501 plays a rotary supporting role relative to the upper overturning fixing arm 601, the driving motor installation seat II 502 plays a fixed supporting role relative to the driving motor II 503, and the driving motor II plays a rotary driving role relative to the overturning shaft II 501.
Further, the upper end limiting assembly 6 comprises an upper overturning fixing arm 601 which is fixedly sleeved with the overturning shaft II 501 and is positioned in the middle of the upper overturning supporting groove plate 305, a limiting hook head 602 of an L-shaped structure is arranged at the other end of the upper overturning fixing arm 601, a telescopic cylinder 603 is fixedly arranged on the outer side of the limiting hook head 602, a limiting plate II 604 is fixedly connected to the inner side of the limiting hook head 602 and the end part of a piston rod of the telescopic cylinder 603, the limiting hook head 602 plays a role in fixing and supporting the telescopic cylinder 603 relatively, and when the telescopic cylinder 603 is operated, the telescopic cylinder 603 is started to extend, the piston rod of the telescopic cylinder 603 pushes the limiting plate II 604 upwards to tightly against the side surface of the overturning limiting plate 306, and the upper ends of the left and right lower overturning fixing arms 301 are in a pulling-in fixing role.
Further, the bottom limiting and supporting assembly 7 comprises a bottom limiting and supporting seat 701 fixedly connected between the left supporting seat 302 and the right supporting seat 302, a vertical transmission groove 702 is vertically formed in the middle of the bottom limiting and supporting seat 701, and a horizontal transmission groove 703 is horizontally formed in one side of the vertical transmission groove 702, wherein the bottom limiting and supporting seat 701 plays a supporting role relative to the limiting and supporting driving assembly 8, the vertical transmission groove 702 plays a rotating supporting role relative to the lifting screw 801 and the screw sleeve 803, and the horizontal transmission groove 703 plays a rotating supporting role relative to the rotating shaft III 804 and the worm wheel 805.
Further, the limit support driving assembly 8 comprises a lifting screw 801 penetrating through the upper end and the lower end of the vertical transmission groove 702, a threaded sleeve 803 is screwed in the middle of the vertical transmission groove 702 and on the outer side of the lifting screw 801, a rotating shaft III 804 is penetrated in the middle of the front end and the rear end of the horizontal transmission groove 703, a worm wheel 805 is fixedly arranged on the outer circle of the rotating shaft III 804, the worm wheel 805 is meshed with the outer side of the threaded sleeve 803, the shaft end of the rotating shaft III is vertically and fixedly connected with a driving turntable 806, the upper end of the lifting screw 801 is fixedly connected with a limit support plate III 802 horizontally arranged, wherein the lifting screw 801 plays a screwed transmission role relative to the threaded sleeve 803, the lifting screw 801 plays a lifting support role relative to the limit support plate III 802, the limit support plate III plays a limit support role relative to the bottom of a workpiece, the rotating shaft III 804 plays a rotary support and transmission role relative to the worm wheel 805, and when the driving turntable 806 plays a rotary driving role relative to the rotating shaft III 804, the driving turntable 805 is meshed with the outer side of the threaded sleeve 803, the threaded sleeve 801 is driven to drive the inner side of the threaded sleeve 803, and the lifting screw 801 is driven by the rotary driving turntable 803 to move up and down the limit support plate III in the vertical direction.
Furthermore, the invention also relates to a welding method of the drilling platform spud leg rack plate and the semicircular plate, which specifically comprises the following steps:
firstly, positioning a tool, namely judging the positions of the tool at the front end and the rear end of a semicircular plate according to the length of the semicircular plate, coaxially placing the tool at the positions of the front end and the rear end of the semicircular plate according to the length positions according to the corresponding length distances, adjusting a rotary driving turntable according to the welding height of a rack plate in the middle of the semicircular plate, enabling a limiting support plate III to rise to a designated height, enabling the upper end surface of the limiting support plate III to face the bottom of the rack plate to form a corresponding limiting support, then starting a driving motor II to upwards turn up an upper turning fixing arm to keep the upper turning fixing arm and a lower turning fixing arm in a same-direction parallel state, starting a driving motor I to outwards turn the lower turning fixing arm to a horizontal state, and enabling a support seat at the end part of the lower turning fixing arm to prop against a bottom support surface;
hoisting a semicircular plate, hoisting the semicircular plate above a limiting circular groove on the inner side of a lower overturning fixing arm, adjusting the heights of two side edges of the semicircular plate to enable the upper end surface of the semicircular plate to be kept horizontal, and then lowering the semicircular plate into the limiting circular groove;
step three, fixing a semicircular plate, placing side limiting assemblies at the front end and the rear end of the semicircular plate, holding a handle on the outer side surface of the end plate to enable the limiting plate I to face the inner side surface of the semicircular plate, inserting a plug-in column into a limiting end hole on the side surface of a lower overturning fixing arm, and screwing an adjusting screw to tightly push the limiting plate I against the inner side surface of the semicircular plate to finish the fixation of the semicircular plate;
Hoisting the rack plate above the limit support plate III, keeping the rack plate in a vertical state, enabling the front and rear ends of the rack plate to be in a corresponding state with the front and rear ends of the semicircular plate, and then placing the rack plate on the upper end surface of the limit support plate III, keeping the rack plate in a vertical hoisting state;
turning the semicircular plates, starting a driving motor I to turn the semicircular plates on two sides of the rack plate oppositely towards the middle, after the end faces of the semicircular plates are attached to two side faces of the rack plate, starting a driving motor II to turn the upper turning fixing arm to a horizontal position, and then starting a telescopic cylinder to enable a limiting plate II to tightly prop the upper turning limiting plate, and loosening the rack plate to be separated from a hoisting state;
Step six, welding and positioning, namely performing multi-section positioning welding on the rack plate and the semicircular plate in the welding line direction, and taking care of avoiding the lower end position of the upper overturning fixed arm;
Step seven, opening the upper end for limiting, starting the telescopic cylinder to retract after the fixed-position welding is finished, retracting the limiting plate II to the original position, and then starting the driving motor II to turn the upper turning fixing arm to the vertical direction;
and eighth, integrally welding, namely synchronously and symmetrically welding seams at the left end and the right end of the rack plate.
Step nine, unloading the workpieces, namely firstly dismantling side limiting assemblies on the same sides of the front end and the rear end of the rack plate after welding is finished, specifically, firstly loosening an adjusting screw, then holding a handle on the outer side face of an end plate to pull out a connecting and inserting column from a limiting end hole on the end face of a lower overturning positioning arm, normally stacking the pulled side limiting assemblies in groups, starting a driving motor I on one side of the side limiting assembly, overturning the whole welding workpiece to the horizontal direction after taking out, loosening the side limiting assembly on the other side of the rack plate after overturning to the horizontal position, enabling the whole workpiece to be in a movable state in a limiting circular groove after dismantling, and integrally hoisting and shifting the workpiece to a designated transferring device at the moment to finish the workpiece unloading action.
According to the invention, the semicircular plates are respectively fixed on the overturning fixing assemblies at the left side and the right side of the tool, then the rack plates are hung on the bottom limiting supporting assembly, the bottom overturning driving assembly is driven to oppositely overturn and position the semicircular plates towards the two sides of the middle rack plate, the whole workpiece is welded after the positioning is finished, the overturning action is not carried out in the process, the workpiece is overturned towards the single side after the welding is finished, the whole positioning process is simple to operate, the whole workpiece is symmetrically supported at two sides in the welding process, the single-side bearing stress is reduced, the stability of the tool support is improved, and the driving work is lower, so that the running cost of the tool is saved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Drilling platform spud leg rack board and semicircle board welding set, its characterized in that: the automatic overturning device comprises a supporting mechanism, a limiting mechanism and a driving mechanism, wherein the supporting mechanism comprises a bottom overturning supporting component (1) and a bottom limiting supporting component (7) arranged in the middle of the bottom overturning supporting component (1), the limiting mechanism comprises an overturning fixing component (3), a side limiting component (4) inserted and matched with the side surface of the overturning fixing component (3) and an upper end limiting component (6) arranged at the upper end of the overturning fixing component (3), and the driving mechanism comprises a bottom overturning driving component (2) arranged on the side surface of the bottom overturning supporting component (1), and a limiting supporting driving component (8) arranged in the middle of an upper end overturning driving component (5) arranged on one side of the upper end of the overturning fixing component (3) and the bottom limiting supporting component (7);
The bottom limiting support assembly (7) comprises a bottom limiting support seat (701) fixedly connected between a left support seat and a right support seat (302), a vertical transmission groove (702) is vertically formed in the middle of the bottom limiting support seat (701), and a horizontal transmission groove (703) is horizontally formed in one side of the vertical transmission groove (702);
Spacing support drive assembly (8) include with vertical transmission groove (702) upper and lower both ends mutually the lift screw (801) of joining in marriage, the centre of vertical transmission groove (702) and in the outside spiro union of lift screw (801) have swivel nut (803), wear to have rotation axis III (804) in the middle of the front and back both ends of horizontal transmission groove (703), the centre of horizontal transmission groove (703) and fixed be equipped with worm wheel (805) on the excircle of rotation axis III (804), worm wheel (805) mesh with the outside of swivel nut (803), the perpendicular fixedly connected with drive carousel (806) of axle head of rotation axis III (804), the upper end fixedly connected with spacing backup pad III (802) of level setting of lift screw (801).
2. The drilling platform leg rack board and semicircular board welding device according to claim 1, wherein: the bottom overturning supporting assembly (1) comprises two supporting bottom plates (101) which are symmetrically distributed left and right, overturning supporting groove plates (102) are symmetrically arranged on the inner sides of the upper ends of the supporting bottom plates (101) in front-back mode, and fixing holes (103) are uniformly distributed on the outer sides of the upper ends of the supporting bottom plates (101).
3. The drilling platform leg rack board and semicircular board welding device according to claim 2, wherein: the bottom overturning driving assembly (2) comprises an overturning shaft I (201) penetrating through two sides of a groove body of an overturning supporting groove plate (102), a driving motor mounting seat I (202) is fixedly mounted at the shaft end position of the overturning shaft I (201) on the outer side of the overturning supporting groove plate (102), a driving motor I (203) is fixedly mounted on the outer side face of the driving motor mounting seat I (202), and a main shaft of the driving motor I (203) is fixedly connected with the shaft end of the driving motor mounting seat I (202) through a shaft coupling.
4. A drilling platform leg rack board and semicircle board welding device according to claim 3, wherein: the utility model provides a fixed subassembly of upset (3) is including upset support frid (102) cell body middle and upset axle I (201) looks fixed cover matched with lower upset fixed arm (301), the outside of upset fixed arm (301) upper end down is fixed to be equipped with supporting seat (302), spacing circular slot (303) of convex structure are offered to the inboard centre subtend of upset fixed arm (301) down, spacing circular slot (303) outside and on the preceding terminal surface of upset fixed arm (301) down the equipartition have been offered spacing end hole (304), the symmetry is equipped with upset support frid (305) on the up end of upset fixed arm (301) down in the left side, and the inboard perpendicular fixedly connected with of upset limiting plate (306) down on the right side upset fixed arm (301) up end.
5. The drilling platform leg rack board and semicircular board welding device according to claim 4, wherein: the side Fang Xianwei assembly (4) comprises an end plate (401) which is arranged at the front end face of the lower overturning fixed arm (301) and at the position of an orifice of the limiting end hole (304), one end of the end plate (401) is vertically and fixedly connected with a limiting plate I (402) which is parallel to the axis of the limiting round groove (303), an adjusting screw (406) is screwed on the outer side of the limiting plate I (402), a splicing depth limiting table (403) is vertically and fixedly connected with the end face direction of the lower overturning fixed arm (301) at the other end of the end plate (401), a splicing column (404) which is matched with the limiting end hole (304) in a plugging mode is fixedly arranged on the side face of the splicing depth limiting table (403), and a handle (405) is fixedly connected in the middle of the outer side face of the end plate (401).
6. The drilling platform leg rack board and semicircular board welding device according to claim 5, wherein: the upper end overturning driving assembly (5) comprises an overturning shaft II (501) penetrating through the middle of two sides of the upper overturning supporting groove plate (305), a driving motor mounting seat II (502) is fixedly mounted on the outer side face of the upper overturning supporting groove plate (305) and at the shaft end position of the overturning shaft II (501), a driving motor II (503) is fixedly mounted on the outer side face of the driving motor mounting seat II (502), and a main shaft of the driving motor II (503) is fixedly connected with the shaft end of the overturning shaft II (501) through a coupler.
7. The drilling platform leg rack board and semicircular board welding device according to claim 6, wherein: the upper end limiting assembly (6) comprises an upper overturning fixing arm (601) fixedly sleeved with a overturning shaft II (501) in the middle of an upper overturning supporting groove plate (305), the other end of the upper overturning fixing arm (601) is provided with a limiting hook head (602) of an L-shaped structure, the outer side of the limiting hook head (602) is fixedly provided with a telescopic cylinder (603), and the inner side of the limiting hook head (602) is fixedly connected with a limiting plate II (604) at the end part of a piston rod of the telescopic cylinder (603).
8. A welding method for a drilling platform leg rack plate and a semicircular plate, which adopts the welding device for the drilling platform leg rack plate and the semicircular plate, and is characterized in that: the welding method specifically comprises the following steps:
firstly, positioning a tool, namely judging the positions of the tool at the front end and the rear end of a semicircular plate according to the length of the semicircular plate, coaxially placing the tool at the positions of the front end and the rear end of the semicircular plate according to the length positions according to the corresponding length distances, adjusting a rotary driving turntable according to the welding height of a rack plate in the middle of the semicircular plate, enabling a limiting support plate III to rise to a designated height, enabling the upper end surface of the limiting support plate III to face the bottom of the rack plate to form a corresponding limiting support, then starting a driving motor II to upwards turn up an upper turning fixing arm to keep the upper turning fixing arm and a lower turning fixing arm in a same-direction parallel state, starting a driving motor I to outwards turn the lower turning fixing arm to a horizontal state, and enabling a support seat at the end part of the lower turning fixing arm to prop against a bottom support surface;
hoisting a semicircular plate, hoisting the semicircular plate above a limiting circular groove on the inner side of a lower overturning fixing arm, adjusting the heights of two side edges of the semicircular plate to enable the upper end surface of the semicircular plate to be kept horizontal, and then lowering the semicircular plate into the limiting circular groove;
step three, fixing a semicircular plate, placing side limiting assemblies at the front end and the rear end of the semicircular plate, holding a handle on the outer side surface of the end plate to enable the limiting plate I to face the inner side surface of the semicircular plate, inserting a plug-in column into a limiting end hole on the side surface of a lower overturning fixing arm, and screwing an adjusting screw to tightly push the limiting plate I against the inner side surface of the semicircular plate to finish the fixation of the semicircular plate;
Hoisting the rack plate above the limit support plate III, keeping the rack plate in a vertical state, enabling the front and rear ends of the rack plate to be in a corresponding state with the front and rear ends of the semicircular plate, and then placing the rack plate on the upper end surface of the limit support plate III, keeping the rack plate in a vertical hoisting state;
turning the semicircular plates, starting a driving motor I to turn the semicircular plates on two sides of the rack plate oppositely towards the middle, after the end faces of the semicircular plates are attached to two side faces of the rack plate, starting a driving motor II to turn the upper turning fixing arm to a horizontal position, and then starting a telescopic cylinder to enable a limiting plate II to tightly prop the upper turning limiting plate, and loosening the rack plate to be separated from a hoisting state;
Step six, welding and positioning, namely performing multi-section positioning welding on the rack plate and the semicircular plate in the welding line direction, and taking care of avoiding the lower end position of the upper overturning fixed arm;
Step seven, opening the upper end for limiting, starting the telescopic cylinder to retract after the fixed-position welding is finished, retracting the limiting plate II to the original position, and then starting the driving motor II to turn the upper turning fixing arm to the vertical direction;
step eight, integrally welding, namely synchronously and symmetrically welding seams at the left end and the right end of the rack plate;
Step nine, unloading the workpieces, namely firstly dismantling side limiting assemblies on the same sides of the front end and the rear end of the rack plate after welding is finished, specifically, firstly loosening an adjusting screw, then holding a handle on the outer side face of an end plate to pull out a connecting and inserting column from a limiting end hole on the end face of a lower overturning positioning arm, normally stacking the pulled side limiting assemblies in groups, starting a driving motor I on one side of the side limiting assembly, overturning the whole welding workpiece to the horizontal direction after taking out, loosening the side limiting assembly on the other side of the rack plate after overturning to the horizontal position, enabling the whole workpiece to be in a movable state in a limiting circular groove after dismantling, and integrally hoisting and shifting the workpiece to a designated transferring device at the moment to finish the workpiece unloading action.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211437198.0A CN115709353B (en) | 2022-11-16 | 2022-11-16 | Drilling platform spud leg rack plate and semicircular plate welding device and welding method |
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| CN202211437198.0A CN115709353B (en) | 2022-11-16 | 2022-11-16 | Drilling platform spud leg rack plate and semicircular plate welding device and welding method |
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| CN115709353B true CN115709353B (en) | 2024-08-27 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699494A (en) * | 2012-07-04 | 2012-10-03 | 上海振华重工集团(南通)传动机械有限公司 | Overall heating automatic welding process of spud leg main coil of offshore drilling platform and special tool of overall heating automatic welding process |
| CN103521990A (en) * | 2013-10-17 | 2014-01-22 | 烟台通用机械设备制造有限公司 | Turnover device for welding pile legs of drilling platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2710667B1 (en) * | 1993-09-28 | 1995-12-22 | Technip Geoproduction | Method and device for assembling the frames of the support legs of an oil platform. |
| CN202715940U (en) * | 2012-07-24 | 2013-02-06 | 李贡 | Welding device for main string pipe of pile leg of self-lifting device in oceanographic engineering |
| CN103978284B (en) * | 2014-05-30 | 2016-05-04 | 唐山开元特种焊接设备有限公司 | Fillet welding automation equipment in drilling platform leg tooth bar and semi-circular plate |
| CN103978339B (en) * | 2014-05-30 | 2016-03-30 | 唐山开元特种焊接设备有限公司 | The flexible group of drilling platform leg butt welding is to frock |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699494A (en) * | 2012-07-04 | 2012-10-03 | 上海振华重工集团(南通)传动机械有限公司 | Overall heating automatic welding process of spud leg main coil of offshore drilling platform and special tool of overall heating automatic welding process |
| CN103521990A (en) * | 2013-10-17 | 2014-01-22 | 烟台通用机械设备制造有限公司 | Turnover device for welding pile legs of drilling platform |
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