CN113369780A - Magnetic attraction type multiple fine adjustment jig frame device supported by dot matrix - Google Patents
Magnetic attraction type multiple fine adjustment jig frame device supported by dot matrix Download PDFInfo
- Publication number
- CN113369780A CN113369780A CN202110803785.6A CN202110803785A CN113369780A CN 113369780 A CN113369780 A CN 113369780A CN 202110803785 A CN202110803785 A CN 202110803785A CN 113369780 A CN113369780 A CN 113369780A
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- CN
- China
- Prior art keywords
- adjusting
- jig frame
- magnetic attraction
- frame panel
- bridge deck
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the field of bridge member assembly and manufacture, and particularly relates to a magnetic type multiple fine adjustment jig frame device supported by a lattice, which can realize adjustment of transverse reversible deformation arch vertical height change of a bridge deck and longitudinal linear change of a bridge through multiple adjustment and lattice support. Compared with the traditional bridge deck welding device, the bridge deck welding device has the advantages that the welding efficiency can be improved, and the adaptability is high; the bridge deck is fixed in a magnetic attraction mode, a plurality of point positions are accurately adjusted and are jointly supported, reliable fixation of the bridge deck on the jig frame panel is guaranteed, slippage of the bridge deck before welding is prevented, and continuity and construction quality of welding seams are improved.
Description
Technical Field
The invention belongs to the field of assembly and manufacture of bridge members, and relates to a device which can adjust transverse anti-deformation arch vertical height change of a bridge deck and longitudinal linear change of a bridge through multiple adjustment and lattice support, and the bridge deck can incline at any angle, so that the bridge deck can be adjusted according to designed pre-arch degree and the U rib and bridge deck can be assembled in an auxiliary manner, in particular to a magnetic attraction type lattice support multiple fine adjustment jig frame device.
Background
Orthotropic steel bridge deck slab is a bridge deck structure form commonly adopted by large and medium-span steel bridges, at present, components are generally placed on a ship-shaped jig frame for welding of the structure, full penetration welding is adopted, deformation of the welded bridge deck components is large, the bridge deck is arched, residual stress and welding residual deformation in the welding process are prominent, and the existing jig frame equipment is large in demand, but the problems that the use efficiency is low, the anti-deformation arch height cannot be accurately controlled, the accurate positioning cannot be realized and the like exist.
At present, orthotropic bridge decks have various structural sizes, and generally, reversible deformation arches are arranged to resist generated residual deformation during welding in a factory, but the structures and the thicknesses of stiffening ribs are also greatly different, and the residual deformation and the residual stress generated during welding of the bridge decks or the stiffening ribs with different sizes, angles and thicknesses are also greatly different, so that the generated deformation is far away, and a jig frame device is difficult to adapt to different orthotropic bridge decks.
Disclosure of Invention
To the not enough of above prior art, provided a multiple fine tuning bed-jig device that formula dot matrix was supported is inhaled to magnetism.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multiple fine tuning bed-jig device that formula dot matrix was supported is inhaled to magnetism, its characterized in that includes: the device comprises a base, a jig frame panel, an ear plate, a bridge panel, U ribs, a jig frame rotating shaft, a first adjusting device and a second adjusting device.
Furthermore, the first adjusting device comprises a telescopic rod, a connecting plate, a fixing plate, a sliding block and a sliding rail.
Further, the second adjusting device comprises a magnetic suction leveling component, an adjusting rotating shaft, a first adjusting nut, a second adjusting nut, an adjusting screw and a limiting platform.
Further, the sliding block in the first adjusting device is positioned in a sliding rail, and the sliding rail is arranged at the bottom of the longitudinal two ends of the jig frame panel; the connecting plate is connected with the slider, is located the base of bed-jig panel, the fixed plate is fixed in the middle of the base, through changing the position of slider in the slide rail, promptly: the length of the telescopic rod is adjusted to control the bed-jig panel to incline at any angle; the bed-jig pivot is located the crossing department of bed-jig panel and base, and the bed-jig panel can rely on first adjusting device and bed-jig pivot combined action to realize upset or slope decking to through the position that changes first adjusting device and support, can realize reducing the uneven deformation peak value of bed-jig panel under decking, U rib and dead weight combined action reduces the deformation degree of bed-jig panel.
Furthermore, the magnetic attraction leveling component in the second adjusting device is positioned at the top of the second adjusting device, the adjusting rotating shaft is used for connecting the magnetic attraction leveling component to the second adjusting device, the natural magnetic attraction characteristic of the steel component is utilized, the number of additional welding points of the component is reduced, the working time is reduced, and the working efficiency is improved.
Furthermore, the magnetic attraction leveling component adopts an electric magnetic attraction mode, has magnetism after being electrified, and can prevent the bridge deck from slipping on the bed-jig deck in the welding process; in addition, the adjusting rotating shaft can be used for realizing self-adaption of the anti-deformation arch radian of the bridge deck and the longitudinal linear camber of the bridge when the anti-deformation arch height and linear change are adjusted.
Furthermore, the limiting platform is located at the upper end part of the adjusting screw rod and used for supporting upper load and preventing the adjusting rotating shaft from deforming.
Furthermore, the first adjusting nut is stacked by double nuts and is positioned on the jig frame panel, so that the vertical position of the adjusting screw is prevented from changing due to the gravity action of the bridge panel, and the horizontal anti-deformation arch height change and the longitudinal linear change of the bridge are influenced.
Furthermore, the second adjusting nut adopts a single nut and is positioned below the bed-jig panel to prevent the end part of the bridge panel from being deformed upwards due to the action of residual stress in the welding process of the bridge panel and the end part of the bridge panel and the magnetic suction leveling component from being fixed through magnetic suction, so that the control of the anti-deformation arch height is not accurate, and the normal use of the bridge panel is influenced.
Further, the first adjusting nut and the second adjusting nut act together to fix the adjusting screw rod on the jig frame panel and ensure that the extending length of the upper end of the adjusting screw rod cannot change along with the progress of the welding process.
Furthermore, the lug plates are positioned on two sides of the jig frame panel and connected with the jig frame panel through bolts, so that the longitudinal end part of the bridge deck can be restrained when the anti-deformation arch height is adjusted, and the phenomenon that the bridge deck is not fixed reliably before the magnetic suction leveling device is electrified, and the welding position is inaccurate due to slippage can be prevented.
Furthermore, the second adjusting device can also depend on the magnetic suction leveling component, the adjusting rotating shaft, the first adjusting nut, the second adjusting nut, the adjusting screw and the limiting platform which are arranged on the second adjusting device, the second adjusting device and the limiting platform are uniformly arranged in two transverse and longitudinal directions on the jig frame panel, the second adjusting device and the limiting platform are used for accurately adjusting a plurality of point positions and jointly supporting the point positions, and the extending length of the adjusting screw of the second adjusting device is used for adjusting the transverse reversible deformation arch height change of the bridge deck and the longitudinal linear change of the bridge.
The present invention has the following advantageous effects.
The invention utilizes the natural magnetic attraction characteristic of the steel structural member and adopts the magnetic attraction type positioning device, thereby effectively ensuring the reliable fixation of the bridge deck on the bed-jig deck, preventing the displacement of the bridge deck before welding, reducing the working time and improving the working efficiency.
The second adjusting device is arranged in a multi-point mode in the transverse direction and the longitudinal direction, multi-point matching and common supporting in the transverse direction and the longitudinal direction are formed, and the accuracy of the bridge anti-deformation arch height and linear change is improved.
The invention can lead the bed-jig panel to turn over or incline at different angles by jointly adjusting the first adjusting device and the second adjusting device and adopting an adjusting mode of multiple fine adjustment, thereby leading the bed-jig panel to be suitable for welding stiffening ribs with different forms and different angles on the device, improving the quality and the continuity of welding seams, realizing the reduction of uneven deformation peak values of the bed-jig structure under the self-weight action of the bridge panel through the supports arranged at the two sides and reducing the deformation of the bed-jig panel.
The invention adopts a form that the first adjusting nut and the single second adjusting nut which are stacked are clamped together, effectively prevents the phenomenon that the pretightening force of the first adjusting nut and the second adjusting nut on the second adjusting device is loosened due to the vibration of welding machinery, and the phenomenon that the height of the adjusting device is changed by the upper bridge deck plate due to the action of gravity, thereby ensuring the welding accuracy and precision.
Drawings
Fig. 1 is an overall configuration view of the present invention when welding one side U rib.
Fig. 2 is an enlarged upper view of the second adjustment device.
Fig. 3 is a top central axis cross-sectional view of the second adjustment means.
Fig. 4 is an enlarged view of the lower portion of the second adjustment device.
The reference numbers in the above figures are as follows: the device comprises a base 1, a jig frame panel 2, an ear plate 3, a bridge panel 4, a U rib 5, a jig frame rotating shaft 6, a first adjusting device 7, an expansion link 701, a connecting plate 702, a fixing plate 703, a sliding block 704, a sliding rail 705, a second adjusting device 8, a magnetic absorption leveling component 801, an adjusting rotating shaft 802, a first adjusting nut 803, a second adjusting nut 804, an adjusting screw 805 and a limiting platform 806.
Detailed Description
The invention is further described below with reference to the following detailed description and the accompanying drawings.
The invention comprises the following steps: the device comprises a base 1, a jig frame panel 2, an ear plate 3, a bridge panel 4, a U rib 5, a jig frame rotating shaft 6, a first adjusting device 7 and a second adjusting device 8; the first adjusting device 7 comprises: the telescopic rod 701, a connecting plate 702, a fixing plate 703, a sliding block 704 and a sliding rail 705; the second adjusting device 8 comprises: the magnetic suction leveling component 801, the adjusting rotating shaft 802, the first adjusting nut 803, the second adjusting nut 804, the adjusting screw 805 and the limiting platform 806.
The sliding blocks 704 in the first adjusting device 7 are positioned in sliding rails 705, and the sliding rails 705 are arranged at the bottoms of the two longitudinal ends of the jig frame panel 2; the connecting plate 702 is connected with the sliding block 704 and located at the bottom edge of the bed frame panel 2, the fixing plate 703 is arranged in the middle of the base 1, and the position of the sliding block 704 in the sliding rail 705 is adjusted, that is: the length of the telescopic rod 701 is adjusted to control the bridge deck 4 to be capable of overturning or inclining at any angle; the bed-jig pivot 6 is located the crossing department of bed-jig panel 2 and base 1, and the bed-jig panel 2 can rely on first adjusting device 7 and the 6 combined action of bed-jig pivot to realize upset or slope decking 4 to through the position that changes first adjusting device 7 and support, can realize reducing the uneven deformation peak value of bed-jig panel 2 under the combined action of decking 4, U rib 5 and dead weight reduces the deformation degree of bed-jig panel 2.
The magnetic attraction leveling component 801 in the second adjusting device 8 is positioned at the top of the second adjusting device 8, is connected to the second adjusting device 8 by using the adjusting rotating shaft 802, and can realize the effect of fixing the bridge deck 4 by using the natural magnetic attraction characteristic of a steel component after being electrified; the limiting platform 806 is located at the upper end of the adjusting screw 805.
The first adjusting nut 803 on the second adjusting device 8 is stacked by two nuts and is positioned on the jig frame panel 2; the second adjusting nut 804 is a single nut and is located below the bed-jig panel 2, and the two nuts work together to fix the adjusting screw 805 on the bed-jig panel 2.
The ear plates 3 are positioned on two sides of the jig frame panel 2 and used for preventing the phenomenon that the magnetic attraction leveling device is inaccurate in welding position caused by slippage due to the fact that the bridge deck plate 4 is unreliable in fixation before power-on.
During field welding, in the first step, the position of the sliding block 704 in the sliding rail 705 is adjusted, that is: the length of the telescopic rod 701 is adjusted to control the bridge deck 4 to incline at any angle, so that the displacement peak value of the jig frame deck 2 is the lowest; secondly, after the length above the first adjusting nut 803 of the second adjusting device 8 is adjusted to a proper height according to the height of the anti-deformation arch curve, the second adjusting nut 804 is screwed to the lower end of the jig frame panel 2; thirdly, hoisting the bridge deck 4 to the magnetic suction leveling component 801 of the second adjusting device 8; fourthly, connecting the lug plates 3 to the left end and the right end of the jig frame panel 2, and restraining the longitudinal edge of the bridge deck 4 so as to apply reverse deformation arch and adjust the linear change of the bridge; and fifthly, electrifying the magnetic attraction leveling device to enable the magnetic attraction leveling device to have magnetism, and after the magnetic attraction leveling device is fixed with the bridge deck 4, starting to weld the U-shaped rib 5 or the stiffening rib and other members of the bridge deck 4.
And after all the steps are finished, welding the welding seam on one side is finished, repeating the steps again to weld the other side, and after all the welding seams on the other side are welded, finishing all the welding work.
After the welding work is finished, the power supply of the magnetic attraction leveling device is disconnected, so that the magnetism of the magnetic attraction leveling device is lost; then all the lug plates 3 arranged on the two sides of the jig frame panel 2 are removed; and finally, hoisting the bridge deck 4 and then removing the device, so that the welding work is completely finished, and the welding between the bridge deck 4 and the U-shaped rib 5 and other components is realized.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (4)
1. The utility model provides a multiple fine tuning bed-jig device that formula dot matrix was supported is inhaled to magnetism, includes base (1), bed-jig panel (2), otic placode (3), decking (4), U rib (5), bed-jig pivot (6), first adjusting device (7) and second adjusting device (8), its characterized in that: the jig frame rotating shaft (6) is positioned at the intersection of the jig frame panel (2) and the base (1); the first adjusting device (7) comprises an expansion link (701), a connecting plate (702), a fixing plate (703), a sliding block (704) and a sliding rail (705), and the second adjusting device (8) comprises a magnetic attraction leveling component (801), an adjusting rotating shaft (802), a first adjusting nut (803), a second adjusting nut (804), an adjusting screw (805) and a limiting platform (806); the ear plates (3) are positioned at two sides of the jig frame panel (2) and are connected with the jig frame panel (2) through bolts; the sliding blocks (704) of the first adjusting device (7) are positioned in sliding rails (705), and the sliding rails (705) are arranged at the bottoms of the two longitudinal ends of the jig frame panel (2); the magnetic leveling component (801) in the second adjusting device (8) is located at the top of the second adjusting device (8), the magnetic leveling component is connected to an adjusting screw (805) of the second adjusting device (8) through the adjusting rotating shaft (802), the adjusting screw (805) penetrates through the jig frame panel (2), the adjusting screw and the jig frame panel are connected through the adjusting rotating shaft (802), and the limiting platform (806) is located at the upper end of the adjusting screw (805).
2. The magnetic attraction type lattice support multiple fine adjustment jig frame device as claimed in claim 1, wherein the magnetic attraction leveling component (801) is in an electric magnetic attraction manner, and after being powered on, the magnetic attraction leveling component (801) has certain magnetism, so that the bridge deck (4) can be fixed by utilizing the natural magnetic attraction characteristic of a steel structural member; in addition, the adjusting rotating shaft (802) can be used for realizing self-adaption of the anti-deformation camber of the bridge deck (4) and the camber of the longitudinal line of the bridge when the anti-deformation camber and the line-shaped change are adjusted.
3. The magnetic attraction type lattice supporting multiple fine adjustment jig frame device according to claim 1, characterized in that the connecting plate (702) is connected with the sliding block (704) and located at the bottom edge of the jig frame panel (2), the fixing plate (703) is arranged in the middle of the base (1), and by adjusting the position of the sliding block (704) in the sliding rail (705), the magnetic attraction type lattice supporting multiple fine adjustment jig frame device is characterized in that: the length of the telescopic rod (701) is adjusted to control the bridge deck (4) to incline at any angle, the position of the sliding block (704) can be supported according to the position of the deformation peak value of the bridge deck (4) on the jig frame panel (2), the mode of sliding double support is arranged to reduce the peak value of uneven deformation generated under the combined action of the self weight of the bridge deck (4) and the U rib (5) and the self weight of the jig frame panel (2), and the deformation degree of the jig frame panel (2) is reduced.
4. The magnetic attraction type lattice support multiple fine adjustment jig frame device according to claim 1, characterized in that the second adjusting device (8) can be arranged in a lattice manner in the transverse and longitudinal directions on the jig frame panel (2) by means of the cooperation of the magnetic attraction leveling component (801), the adjusting rotating shaft (802), the first adjusting nut (803), the second adjusting nut (804), the adjusting screw (805) and the limiting platform (806), and can be used for accurately adjusting and supporting a plurality of point positions, and the transverse reversible arch height change of the bridge deck (4) and the longitudinal linear change of the bridge can be adjusted by the extending length of the adjusting screw (805) of the second adjusting device (8); the first adjusting nut (803) is positioned above the jig frame panel (2), the second adjusting nut (804) is positioned below the jig frame panel (2), and the first adjusting nut and the second adjusting nut cooperate to fix the adjusting screw rod (805) on the jig frame panel (2); the first adjusting nut (803) adopts a double-nut stacking mode, the second adjusting nut (804) adopts a single nut, and the first adjusting nut and the second adjusting nut act together to clamp the jig frame panel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803785.6A CN113369780A (en) | 2021-07-16 | 2021-07-16 | Magnetic attraction type multiple fine adjustment jig frame device supported by dot matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803785.6A CN113369780A (en) | 2021-07-16 | 2021-07-16 | Magnetic attraction type multiple fine adjustment jig frame device supported by dot matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113369780A true CN113369780A (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110803785.6A Pending CN113369780A (en) | 2021-07-16 | 2021-07-16 | Magnetic attraction type multiple fine adjustment jig frame device supported by dot matrix |
Country Status (1)
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| CN (1) | CN113369780A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865568A (en) * | 2021-09-22 | 2021-12-31 | 筑友智造科技投资有限公司 | Self-leveling centering rod and floor sampling point measuring and positioning method |
| CN113909653A (en) * | 2021-10-09 | 2022-01-11 | 海波重型工程科技股份有限公司 | Orthotropic plate U rib double-side welding equipment |
| CN116532893A (en) * | 2023-07-05 | 2023-08-04 | 山东三箭建设工程管理有限公司 | Steel structure welding device convenient to accurately replace |
| CN116676877A (en) * | 2023-06-26 | 2023-09-01 | 北汇绿建集团有限公司 | Multi-angle positioning adjustment type anti-deformation jig device |
| CN117300505A (en) * | 2023-03-02 | 2023-12-29 | 深圳雅鑫建筑钢结构工程有限公司 | Hydraulic overturning operation platform for welding robot and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113865568A (en) * | 2021-09-22 | 2021-12-31 | 筑友智造科技投资有限公司 | Self-leveling centering rod and floor sampling point measuring and positioning method |
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| CN116532893A (en) * | 2023-07-05 | 2023-08-04 | 山东三箭建设工程管理有限公司 | Steel structure welding device convenient to accurately replace |
| CN116532893B (en) * | 2023-07-05 | 2023-09-15 | 山东三箭建设工程管理有限公司 | Steel structure welding device convenient to accurately replace |
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Application publication date: 20210910 |