CN115709353A

CN115709353A - Welding device and welding method for pile leg rack plate and semicircular plate of drilling platform

Info

Publication number: CN115709353A
Application number: CN202211437198.0A
Authority: CN
Inventors: 申佳玮; 陈伟; 吴彬
Original assignee: Jiangyin Shuangma Heavy Industry Equipment Co ltd
Current assignee: Jiangyin Shuangma Heavy Industry Equipment Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-02-24
Anticipated expiration: 2042-11-16
Also published as: CN115709353B

Abstract

The invention relates to the technical field of welding of a pile leg rack plate and a semicircular plate of a drilling platform, and particularly discloses a welding device of the pile leg rack plate and the semicircular plate of the drilling platform, 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; according to the invention, the semicircular plates are symmetrically fixed on the left side and the right side of the existing tool, then the rack plates are hoisted on the bottom limiting support assembly, and then the tool is driven to turn over and position, so that the whole process is simple to operate, consumes less time, and improves the assembly efficiency; after the workpiece is positioned on the tool, the rotation driving action is not carried out in the welding process, the bearing stress of one side of the tool is lower, the tool supporting stability is improved, and the tool driving operation cost is reduced.

Description

Welding device and welding method for pile leg rack plate and semicircular plate of drilling platform

Technical Field

The invention relates to the technical field of welding of a pile leg rack plate and a semicircular plate of a drilling platform, in particular to a welding device and a welding method for the pile leg rack plate and the semicircular plate of the drilling platform.

Background

A drilling platform pile leg is formed by welding a rack plate and a semicircular plate, the rack plate and the semicircular plate in the prior art are welded, and then are positioned after being hoisted for multiple times, and then welding operation is carried out, because the size structure of the rack plate and the semicircular plate is large, positioning needs to be completed by means of auxiliary positioning equipment, as the patent No. CN103521990A discloses a turnover device for welding the drilling platform pile leg, the turnover device comprises a left support frame, a right support frame, a leveling bolt I and a leveling bolt II which are respectively arranged on the left support frame and the right support frame, a driving shaft is arranged on the left support frame, a left clamping body is fixedly arranged at one end of the driving shaft, a driven gear is fixedly arranged at the other end of the driving shaft, the driven gear is meshed with a driving gear, the driving gear is connected with a motor, a cross beam I, a clamping body locking screw I and a cross beam locking screw I are arranged on the left clamping body, a cross beam locking screw I is arranged on the right support frame, a driven shaft is fixedly arranged on the driven shaft, a right clamping body is fixedly arranged at one end of the driven shaft, a cross beam II, a cross beam locking screw II and a cross beam locking screw are arranged on the right clamping body, and a brake is arranged at the other end of the driven shaft. The invention realizes the overturning of the pile leg at any angle, ensures the safety of various angles and operations required during welding, greatly improves the working efficiency at the same time, has the efficiency 2-3 times that of the traditional welding mode, has certain superiority, meets the production requirement to a certain extent, can meet the general use requirement, but still has the following defects in the actual use process:

1. in the welding equipment for the pile leg rack plate and the semi-circular plate of the drilling platform in the prior art, the semi-circular plate and the rack plate need to be respectively hoisted and positioned in the positioning process, and the operation of a tool consumes time, so that the assembly efficiency is to be further improved;

2. in the drilling platform pile leg rack plate and semicircular plate welding equipment in the prior art, when a workpiece is welded for half, the workpiece needs to be overturned, the two sides of the workpiece are supported by the rotating shaft, the bearing is large, the stability of the workpiece is 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 pile leg rack plate and a semicircular plate of a drilling platform, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drilling platform spud leg rack plate and semicircle board welding set, includes supporting mechanism, stop gear and actuating mechanism, the bottom limit support subassembly of establishing in the middle of supporting mechanism includes bottom upset supporting component and bottom upset supporting component, stop gear is including the fixed subassembly of upset, the fixed subassembly side of upset is inserted the spacing subassembly of side of joining in marriage and the spacing subassembly of the upper end of establishing of the fixed subassembly upper end of upset, actuating mechanism includes the bottom upset drive assembly of establishing bottom upset supporting component side, the spacing support drive assembly of establishing in the middle of the fixed subassembly upper end upset drive assembly of establishing of upset one side and the spacing supporting component of bottom.

Preferably, the bottom upset supporting component is including being two supporting baseplate that bilateral symmetry distributes, and has seted up upset supporting groove board around the inboard symmetry of supporting baseplate upper end, the fixed orifices has been seted up to the outside equipartition of supporting baseplate upper end.

Preferably, bottom upset drive assembly wears the trip shaft I of joining in marriage in the middle of upset support frid cell body both sides, the outside of upset support frid and at the axle head position department fixed mounting of trip shaft I have driving motor mount pad I, fixed mounting has driving motor I on driving motor mount pad I's the lateral surface, driving motor I's main shaft passes through shaft coupling looks fixed connection with driving motor mount pad I's axle head.

Preferably, fixed subassembly of upset is including the fixed nested lower upset fixed arm of matching with trip shaft I looks fixed in the middle of the upset supporting channel plate cell body, 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 is seted up to inboard middle subtend of upset fixed arm down, spacing end hole has been seted up to the outside of spacing circular slot and the equipartition on the preceding terminal surface of upset fixed arm down, the symmetry is equipped with the upset supporting channel plate around on the up end of upset fixed arm under the left side, and overturns the limiting plate on the inboard perpendicular fixedly connected with of fixed arm up end overturns under the right side.

Preferably, the spacing subassembly in side is including the terminal surface department before the fixed arm that overturns down and the end plate of establishing in the drill way position department in spacing port hole, the perpendicular fixedly connected with of one end of end plate and the parallel limiting plate I of spacing circular slot axis, limiting plate I's outside spiro union has adjusting screw, the perpendicular fixedly connected with of terminal surface direction of the fixed arm of the other end upset downwards of end plate connects the spacing platform of the degree of depth of connecing, connect the fixed column of inserting that is equipped with and inserts the complex connecing with spacing port hole in side of the spacing platform of the degree of depth of connecing, the middle fixedly connected with handle of end plate lateral surface.

Preferably, upper end upset drive assembly includes and wears the trip shaft II who joins in marriage mutually with last upset support frid both sides centre, and on the lateral surface of last upset support frid and at trip shaft II's axle head position department fixed mounting have driving motor mount pad II, fixed mounting has driving motor II on driving motor mount pad II's the lateral surface, driving motor II's main shaft passes through shaft coupling looks fixed connection with trip shaft II's axle head.

Preferably, the upper end limiting component comprises an upper overturning fixed arm which is positioned in the middle of the upper overturning supporting groove plate and is fixedly sleeved with an overturning shaft II, the other end of the upper overturning fixed 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 left support seat and a right support seat which are fixedly connected at the middle part, 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 drive assembly that supports includes wears the lifting screw who matches with vertical transmission groove upper and lower both ends, the centre in vertical transmission groove and at lifting screw outside spiro union have the swivel nut, wear to be furnished with rotation axis III in the middle of the front and back both ends in horizontal transmission groove, the centre in horizontal transmission groove and fixedly on rotation axis III's excircle are equipped with the worm wheel, the worm wheel meshes with the outside of swivel nut mutually, the perpendicular fixedly connected with drive turntable of rotation axis III's axle head, lifting screw's upper end fixedly connected with level setting's spacing backup pad III.

Preferably, the invention also relates to a welding method of the drilling platform leg rack plate and the semicircular plate, which specifically comprises the following steps:

firstly, positioning a tool, judging the length of a semicircular plate, well judging the positions of the tool at the front end and the rear end 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 position according to the corresponding length distance, then adjusting a rotary driving turntable according to the welding height of a strip plate in the middle of the semicircular plate, enabling a limiting supporting plate III to ascend to a specified height, enabling the upper end of the limiting supporting plate III to face the bottom of the strip plate to form a corresponding limiting support, then starting a driving motor II to upwards overturn an upper overturning fixing arm to enable the upper overturning fixing arm and a lower overturning fixing arm to be in the same direction and in parallel, starting a driving motor I to outwards overturn the lower overturning fixing arm to a horizontal state, and enabling a supporting seat at the end part of the lower overturning fixing arm to abut against a bottom supporting surface;

hoisting the semicircular plate, namely hoisting the semicircular plate to the position above the limiting circular groove on the inner side of the 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 horizontal, and then lowering the semicircular plate into the limiting circular groove;

thirdly, fixing the semicircular plate, placing the 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, simultaneously inserting the connecting and inserting column into a limiting end hole in the side surface of the lower overturning fixing arm, screwing an adjusting screw to tightly push the limiting plate I and the inner side surface of the semicircular plate, and finishing the fixation of the semicircular plate;

hoisting the rack plate, namely hoisting the rack plate above the limiting support plate III, paying attention to keeping the rack plate in a vertical state, enabling the front end and the rear end of the rack plate to be in a corresponding state with the front end and the rear end of the semicircular plate, then lowering the rack plate onto the upper end face of the limiting support plate III, and paying attention to keeping the vertical hoisting state of the rack plate;

turning the semicircular plates, starting a driving motor I to turn the semicircular plates on the two sides of the rack plate oppositely towards the middle, starting a driving motor II to turn the upper turning fixing arm to a horizontal position after the end surfaces of the semicircular plates are attached to the two side surfaces of the rack plate, then starting a telescopic cylinder to enable a limiting plate II to tightly push the upper turning limiting plate, and loosening the rack plate to enable the rack plate to be separated from a hoisting state;

welding and positioning, namely performing multi-section positioning welding in the welding line direction of the rack plate and the semicircular plate, and paying attention to avoid the lower end position of the upper turning fixing arm;

step seven, opening the upper end for limiting, starting the telescopic cylinder to retract after positioning welding is finished, so that the limiting plate II retracts to the original position, and then starting the driving motor II to turn the upper turning fixing arm to the vertical direction;

and step eight, integrally welding, namely synchronously and symmetrically welding the welding seams at the left end and the right end of the rack plate.

And step nine, unloading the workpiece, after welding, firstly removing the side limiting assemblies on the same side of the front end and the rear end of the rack plate, specifically, loosening the adjusting screws, then holding a handle on the outer side surface of the end plate to pull out the insertion column from a limiting end hole on the end surface of the lower overturning positioning arm, stacking the pulled side limiting assemblies in a standard manner in groups, starting a driving motor I on one side of the side limiting assembly which is not removed after taking out the whole welded workpiece, overturning the whole welded workpiece to the horizontal direction, loosening the side limiting assembly on the other side of the rack plate which is not removed after overturning to the horizontal position, placing the whole workpiece in a movable state in a limiting circular groove after removing, hoisting and moving the whole workpiece to appointed transfer equipment at the moment, and finishing 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 on the left side and the right side, then the rack plate is hoisted on the bottom limiting support assembly, and the bottom overturning driving assembly is driven to oppositely overturn and position the semicircular plates to the two sides of the middle rack plate, so that the whole process is simple to operate, consumes less time and improves the assembly efficiency;

2. according to the invention, after the workpiece is positioned on the tool, the whole workpiece is welded without rotary driving action in the middle, and the workpiece is integrally supported in a bilateral symmetry manner, so that the bearing stress of one side is reduced, the stability of tool support is improved, and the driving work is reduced, therefore, the energy consumption is reduced, and the operation cost of the tool is reduced.

Drawings

FIG. 1 is an axial view of the overall structure of a rack plate and a semicircular plate after the rack plate and the semicircular plate are mounted on the tool of the present invention;

FIG. 2 is a side half sectional view of the overall structure of the rack plate and the semicircular plate after being mounted on the inventive tooling;

FIG. 3 is an isometric view of the overall structure of the present invention;

FIG. 4 is an axial half-sectional view of the overall construction 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 taken at A-A in FIG. 5;

FIG. 7 is an enlarged view of a portion of the structure at B in FIG. 6;

FIG. 8 is a left side view of the overall construction of the present invention;

FIG. 9 is an isometric view of the cross-sectional configuration of FIG. 8 taken 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 view of a portion of the structure at F in FIG. 10;

fig. 12 is an isometric view of the cross-sectional structure of fig. 8 taken at E-E.

In the figure: 1. a bottom-flipping support assembly; 2. a bottom-flipping drive assembly; 3. turning over the fixing component; 4. a lateral limiting component; 5. an upper end overturning driving component; 6. an upper end limiting component; 7. a bottom limit support assembly; 8. a limiting support driving component; 101. a support base plate; 102. turning over the supporting groove plate; 103. a fixing hole; 201. a turning shaft I; 202. a driving motor mounting seat I; 203. driving a motor I; 301. a lower overturning fixed arm; 302. a supporting seat; 303. a limiting circular groove; 304. limiting end holes; 305. an upper overturning supporting groove plate; 306. an upper overturn limiting plate; 401. an end plate; 402. a limiting plate I; 403. inserting a depth limiting table; 404. connecting and inserting the column; 405. a handle; 406. an adjusting screw; 501. a turnover shaft II; 502. a driving motor mounting seat II; 503. driving a motor II; 601. turning over the fixed arm; 602. a limiting hook head; 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. a lifting screw; 802. a limiting supporting plate III; 803. a threaded sleeve; 804. a rotation axis III; 805. a worm gear; 806. the turntable is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 12, the present invention provides a technical solution: the utility model provides a drilling platform spud leg rack plate and semicircle board welding set, including supporting mechanism, stop gear and actuating mechanism, supporting mechanism includes bottom upset supporting component 1 and the middle bottom spacing supporting component 7 that establishes of bottom upset supporting component 1, stop gear is including upset fixed subassembly 3, the spacing subassembly 4 in side that 3 sides of upset fixed subassembly were inserted and are joined in marriage and the spacing subassembly 6 in upper end that 3 upper ends of upset fixed subassembly were established, actuating mechanism includes bottom upset drive assembly 2 that 1 side of bottom upset supporting component established, the spacing support drive assembly 8 that establishes in the middle of the fixed subassembly 3 upper end upset drive assembly 5 that 3 upper end one side of upset fixed subassembly established and the spacing supporting component 7 in bottom spacing supporting component 7, wherein, bottom upset supporting component 1 plays a bottom sprag effect with bottom upset drive assembly 2 relatively, bottom upset fixed subassembly 2 plays a side upset driven effect relatively 3, upset fixed subassembly 3 in side relative spacing subassembly 4 in upset, upper end upset drive assembly 5 plays a supporting role with upper end spacing subassembly 6 in side, side upset fixed subassembly 4 in side relative upset fixed subassembly plays a radial fixed subassembly 3 inboard work piece, the spacing subassembly 5 plays a supporting role in side upset relative upset supporting component 8 in side upset relative, the spacing subassembly relative side upset supporting role in side upset supporting component 3, the left and right side upset supporting component 3 plays a spacing subassembly relative side upset supporting role in side upset supporting component 8, the spacing subassembly relative side upset supporting role in side upset supporting component 8 in side upset supporting role in side upset supporting component 8 relative.

Further, bottom upset supporting component 1 is including being two supporting baseplate 101 of bilateral symmetry distribution, and upset supporting groove board 102 has been seted up to the symmetry around the inboard of supporting baseplate 101 upper end, fixed orifices 103 has been seted up to the outside equipartition of supporting baseplate 101 upper end, wherein, supporting baseplate 101 overturns relatively supporting groove board 102 plays a bottom sprag effect, upset supporting groove board 102 overturns fixed arm 301 relatively down and plays the effect of a side rotation support with trip shaft I201, and the primary function of fixed orifices 103 is the fixed of supporting baseplate 101 of being convenient for, in operation, after supporting baseplate 101 has been placed according to the fixed length of semicircle board, fixing baseplate 101 on ground with the expansion screw in fixed orifices 103 department, guarantee the fixed steadiness in whole frock bottom.

Further, the bottom turnover driving assembly 2 comprises a turnover shaft I201 penetrating through the middle of two sides of the tank body of the turnover support trough plate 102, a driving motor mounting seat I202 is fixedly mounted at the shaft end position of the turnover shaft I201 outside the turnover support trough plate 102, a driving motor I203 is fixedly mounted on the outer side surface of the driving motor mounting seat I202, a main shaft of the driving motor I203 is fixedly connected with the shaft end of the driving motor mounting seat I202 through a coupler, wherein the turnover shaft I201 plays a role of rotary driving relative to the lower turnover fixing arm 301, the driving motor mounting seat I202 plays a role of fixed supporting relative to the driving motor I203, the turnover support trough plate 102 plays a role of side fixing relative to the driving motor mounting seat I202, the driving motor I203 plays a role of rotary driving relative to the turnover shaft I201, and the turnover support trough plate 102 plays a role of two-side rotary supporting relative to the turnover shaft I201.

Further, the fixed subassembly 3 that overturns is including overturning the fixed arm 301 that overturns that is fixed to be matched with upset axle I201 in the middle of supporting channel plate 102 cell body mutually, the fixed supporting seat 302 that is equipped with in the outside of lower upset fixed arm 301 upper end, the inboard middle subtend spacing circular slot 303 of seting up the arc structure of fixed arm 301 that overturns down, spacing end hole 304 has been seted up to spacing circular slot 303 in the outside and on the preceding terminal surface of fixed arm 301 that overturns down, left side lower upset fixed arm 301's up end is gone up the front and back symmetry and is equipped with the upset supporting channel plate 305, and the inboard perpendicular fixedly connected with of upset limiting plate 306 of fixed arm 301 up end under the right side, wherein, supporting seat 302 plays a horizontal support effect relatively to the side of fixed arm 301 that overturns down, upset fixed arm 301 wholly outwards overturns to horizontal position department down, through supporting seat 302 will overturn the unsettled one end support of fixed arm 301 under, improve the steadiness that overturns down, spacing circular slot 303 plays a spacing support effect relatively to the semicircle board, spacing end hole 304 plays a spacing support effect relatively to the spacing support effect to the spacing subassembly 6 that overturns, it tightly to push up the spacing subassembly.

Further, the side limiting assembly 4 comprises an end plate 401 arranged at the front end face of the downward-turning fixing arm 301 and at the position of an opening 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 circular groove 303, an adjusting screw 406 is screwed on the outer side of the limiting plate I402, the other end of the end plate 401 is vertically and fixedly connected with an insertion depth limiting table 403 in the direction of the end face of the downward-turning fixing arm 301, an insertion column 404 inserted and matched with the limiting end hole 304 is fixedly arranged on the side face of the insertion depth limiting table 403, and a handle 405 is fixedly connected to the middle of the outer side face of the end plate 401, wherein the end plate 401 plays a connection supporting role relative to the limiting plate I402 and the insertion depth limiting table, the limiting plate I402 plays a limiting and abutting role relative to the adjusting screw 406 on the inner side of the semicircular plate, the insertion column 403 plays a guiding and limiting role, the insertion column 403 plays a insertion depth limiting role relative to the insertion column 404, and the handle 405 facilitates moving the whole side limiting assembly 4.

Further, upper end upset drive assembly 5 includes and wears the trip shaft II501 of joining in marriage mutually with last upset support frid 305 both sides centre, and on the lateral surface of last upset support frid 305 and at the axle head position department fixed mounting of trip shaft II501 with driving motor mount pad II 502, fixed mounting has driving motor II 503 on the lateral surface of driving motor mount pad II 502, driving motor II's 503 main shaft passes through shaft coupling looks fixed connection with the axle head of trip shaft II501, wherein, trip shaft II501 plays a rotation support effect relatively last upset fixed arm 601, driving motor mount pad II 502 plays a fixed support effect relatively driving motor II 503, driving motor II 503 plays a rotation drive effect relatively trip shaft II 501.

Further, the upper end limiting assembly 6 comprises an upper turning fixing arm 601 which is located in the middle of the upper turning supporting groove plate 305 and fixedly sleeved with the turning shaft II501, the other end of the upper turning fixing arm 601 is provided with a limiting hook head 602 with an L-shaped structure, the outer side of the limiting hook head 602 is fixedly provided with a telescopic cylinder 603, the inner side of the limiting hook head 602 is fixedly connected with a limiting plate II 604 at the end of a piston rod of the telescopic cylinder 603, wherein the limiting hook head 602 plays a role of fixing and supporting relative to the telescopic cylinder 603, and in operation, the telescopic cylinder 603 is started to extend, so that the piston rod of the telescopic cylinder 603 tightly pushes the limiting plate II 604 against the side face of the upward turning limiting plate 306, and the upper ends of the left lower turning fixing arm 301 and the right lower turning fixing arm 301 are in a pulling-in fixing role.

Further, the bottom limit supporting assembly 7 comprises a bottom limit supporting seat 701 fixedly connected with the middle of 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 limit supporting seat 701, and a horizontal transmission groove 703 is horizontally formed in one side of the vertical transmission groove 702, wherein the bottom limit supporting seat 701 plays a supporting role relative to the limit supporting driving assembly 8, the vertical transmission groove 702 plays a rotary supporting role relative to the lifting screw 801 and the threaded sleeve 803, and the horizontal transmission groove 703 plays a rotary supporting role relative to the rotary shaft III804 and the worm wheel 805.

Further, the limit support driving assembly 8 includes a lifting screw 801 passing through and matching with the upper and lower ends of the vertical transmission groove 702, a threaded sleeve 803 is screwed in the middle of the vertical transmission groove 702 and outside the lifting screw 801, a rotating shaft III804 passes through and matches with the middle of the front and rear ends of the horizontal transmission groove 703, a worm wheel 805 is fixedly arranged in the middle of the horizontal transmission groove 703 and on the outer circle of the rotating shaft III804, the worm wheel 805 is meshed with the outer side of the threaded sleeve 803, a driving turntable 806 is vertically and fixedly connected to the shaft end of the rotating shaft III804, and a horizontally arranged limit support plate III802 is fixedly connected to the upper end of the lifting screw 801, wherein the lifting screw 801 performs a screwing transmission function relative to the threaded sleeve 803, the lifting screw 801 performs a lifting support function relative to the limit support plate III802, the limit support plate III802 performs a limit support function relative to the bottom of the workpiece, the rotating shaft 804 performs a rotation support and transmission function relative to the worm wheel 805, the driving turntable 806 performs a rotation driving function relative to the rotating drive of the rotating shaft III, and when the lifting drive the worm wheel 805 to mesh with the outer side 803 of the threaded sleeve 803, so that the inner side of the threaded sleeve and the lifting screw 801 drives the lifting screw 801 to perform a lifting action in the lifting screw 801 in the lifting support direction.

Further, the invention also relates to a welding method of the drilling platform pile leg rack plate and the semicircular plate, and the process specifically comprises the following steps:

step five, turning the semicircular plates, starting a driving motor I to turn the semicircular plates on two sides of the rack plate oppositely to the middle, starting a driving motor II to turn the upper turning fixing arm to a horizontal position after the end surfaces of the semicircular plates are attached to two side surfaces of the rack plate, then starting a telescopic cylinder to enable a limiting plate II to tightly push the upper turning limiting plate, and loosening the rack plate to enable the rack plate to be separated from a hoisting state;

step seven, opening the upper end limit, starting the telescopic cylinder to retract after the positioning welding is finished, so that the limit plate II retracts 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 the welding seams at the left end and the right end of the rack plate.

According to the invention, the semicircular plates are respectively fixed on the overturning fixing components on the left side and the right side of the tool, then the rack plate is hung on the bottom limiting support component, the bottom overturning driving component is driven to overturn and position the semicircular plates towards the two sides of the rack plate in the middle in an opposite direction, the whole workpiece is welded after the positioning is finished, the overturning action is not carried out in the period, the workpiece is overturned towards one side after the welding is finished, the whole positioning process is simple to operate, the workpiece is supported symmetrically on two sides in the whole welding process, the bearing stress of one side is reduced, the stability of tool support is improved, the driving work is lower, and therefore, the operation cost of the tool is saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling platform spud leg rack plate and semicircle board welding set which characterized in that: including supporting mechanism, stop gear and actuating mechanism, the bottom spacing supporting component (7) of establishing in the middle of supporting mechanism includes bottom upset supporting component (1) and bottom upset supporting component (1), stop gear is including fixed subassembly (3) of upset, the fixed subassembly (3) side of upset insert the side spacing subassembly (4) of joining in marriage and the fixed subassembly (3) upper end spacing subassembly (6) of establishing of upset, actuating mechanism includes bottom upset drive assembly (2) that bottom upset supporting component (1) side was established, the fixed subassembly (3) upper end upset drive assembly (5) of establishing one side of upper end and the spacing supporting component (7) of bottom spacing supporting component (8) of establishing in the middle of the spacing supporting component (7) of upset.

2. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 1, wherein: bottom upset supporting component (1) is including being two supporting baseplate (101) of bilateral symmetry distribution, and has seted up upset supporting groove board (102) around inboard symmetry in supporting baseplate (101) upper end, fixed orifices (103) have been seted up to the outside equipartition of supporting baseplate (101) upper end.

3. The device for welding the leg rack plate and the semicircular plate of the drilling platform according to claim 2, wherein: bottom upset drive assembly (2) including the upset support frid (102) cell body both sides in the middle of wearing trip shaft I (201) of joining in marriage, the outside of upset support frid (102) and the axle head position department fixed mounting of trip shaft I (201) have driving motor mount pad I (202), fixed mounting has driving motor I (203) on the lateral surface of driving motor mount pad I (202), the main shaft of driving motor I (203) passes through shaft coupling looks fixed connection with the axle head of driving motor mount pad I (202).

4. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 3, wherein: fixed subassembly (3) overturn including overturn support frid (102) cell body in the middle of with upset axle I (201) fixed suit's lower fixed arm (301) mutually, fixed supporting seat (302) that is equipped with in the outside of fixed arm (301) upper end of overturning down, overturn the inboard middle subtend of fixed arm (301) down and offer spacing circular slot (303) of convex structure, spacing end hole (304) have been seted up to the outside of spacing circular slot (303) and on the preceding terminal surface equipartition of fixed arm (301) of overturning down, the left side is overturned the symmetry around on the up end of fixed arm (301) down and is equipped with upset support frid (305), and overturns limiting plate (306) on the inboard perpendicular fixedly connected with of fixed arm (301) up end under the right side.

5. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 4, wherein the device comprises: the spacing subassembly of side (4) is including turning over down fixed arm (301) preceding terminal surface department and locate end plate (401) established at the drill way position of spacing end hole (304), the perpendicular fixedly connected with of one end of end plate (401) and spacing circular slot (303) parallel limiting plate I (402) of axis, the outside spiro union of limiting plate I (402) has adjusting screw (406), the perpendicular fixedly connected with of terminal surface direction of the fixed arm of turning over downwards (301) of the other end of end plate (401) connects spacing platform of degree of depth (403), connect the fixed post (404) of inserting of joining in marriage mutually with spacing end hole (304) that is equipped with in side of inserting spacing platform of degree of depth (403), the centre fixedly connected with handle (405) of end plate (401) lateral surface.

6. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 4, wherein: upper end upset drive assembly (5) include with last upset support frid (305) both sides centre wear the trip shaft II (501) of joining in marriage mutually, and on the lateral surface of last upset support frid (305) and at the axle head position department fixed mounting of trip shaft II (501) have driving motor mount pad II (502), fixed mounting has driving motor II (503) on the lateral surface of driving motor mount pad II (502), the main shaft of driving motor II (503) passes through shaft coupling looks fixed connection with the axle head of trip shaft II (501).

7. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 6, wherein: the upper end limiting assembly (6) comprises an upper turning fixing arm (601) which is positioned in the middle of an upper turning supporting groove plate (305) and is fixedly matched with a turning shaft II (501), the other end of the upper turning 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. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 7, wherein: the bottom limiting and supporting assembly (7) comprises a bottom limiting and supporting seat (701) fixedly connected with the left supporting seat 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).

9. The device for welding the rack plate and the semicircular plate of the leg of the drilling platform according to claim 8, wherein: the limiting support driving assembly (8) comprises a lifting screw (801) which is matched with the upper end and the lower end of a vertical transmission groove (702) in a penetrating manner, a threaded sleeve (803) is connected to the outer side of the lifting screw (801) in the middle of the vertical transmission groove (702), a rotating shaft III (804) is connected to the middle of the front end and the rear end of a horizontal transmission groove (703) in a penetrating manner, a worm wheel (805) is fixedly arranged in the middle of the horizontal transmission groove (703) 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), a driving turntable (806) is fixedly connected to the shaft end of the rotating shaft III (804) in a perpendicular manner, and a horizontally arranged limiting support plate III (802) is fixedly connected to the upper end of the lifting screw (801).

10. The welding device for the drilling platform leg rack plate and the semicircular plate according to the claims 1-9, the invention also relates to a welding method for the drilling platform leg rack plate and the semicircular plate, which is characterized in that: the process specifically comprises the following steps:

the method comprises the following steps that firstly, a tool is positioned, the length of a semicircular plate is judged to be well matched with the positions of the front end and the rear end of the semicircular plate, the tool is coaxially placed at the positions of the front end and the rear end of the semicircular plate according to the length position according to the corresponding length distance, then a rotary driving turntable is adjusted according to the welding height of a strip plate in the middle of the semicircular plate, a limiting supporting plate III is lifted to a specified height, the upper end of the limiting supporting plate III faces the bottom of the strip plate to form a corresponding limiting support, then a driving motor II is started to upwards turn an upper turning fixing arm to keep the upper turning fixing arm and a lower turning fixing arm in a same-direction parallel state, a driving motor I is started to outwards turn the lower turning fixing arm to a horizontal state, and a supporting seat at the end of the lower turning fixing arm is abutted against a bottom supporting surface;