CN117444495A - Bridge expansion joint welding fixer with limiting function - Google Patents
Bridge expansion joint welding fixer with limiting function Download PDFInfo
- Publication number
- CN117444495A CN117444495A CN202311803135.7A CN202311803135A CN117444495A CN 117444495 A CN117444495 A CN 117444495A CN 202311803135 A CN202311803135 A CN 202311803135A CN 117444495 A CN117444495 A CN 117444495A
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- expansion joint
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- cylinder
- limiting
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- 238000003466 welding Methods 0.000 title claims abstract description 116
- 230000000670 limiting effect Effects 0.000 title claims abstract description 85
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 22
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- 238000013508 migration Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a bridge expansion joint welding fixer with a limiting function, which comprises a mechanical arm and a supporting plate connected with the front end of the mechanical arm, wherein an expansion joint adherence limiting device is fixedly arranged on the supporting plate, two sides of the expansion joint adherence limiting device are respectively provided with a group of expansion joint end limiters, and the side wall of the expansion joint adherence limiting device is provided with a welding part single-side welding pushing device which is fixedly connected. The invention belongs to the technical field of bridge expansion joint production equipment, and particularly relates to a welding machine capable of directly cleaning welding spots and improving welding efficiency; according to the invention, the bridge expansion joint is welded by replacing manual work with mechanical work, so that the welding efficiency and the stability of the welded bridge expansion joint are effectively improved.
Description
Technical Field
The invention belongs to the technical field of bridge expansion joint production equipment, and particularly relates to a bridge expansion joint welding fixer with a limiting function.
Background
The main body structure of the bridge expansion joint comprises parts such as side beams, middle beams, anchoring ribs, supporting boxes, supporting seats, supporting cross beams and buffers capable of controlling displacement, wherein the side beams and the middle beams are directly produced in a die casting mode in the production process of the bridge expansion joint, box-shaped sealing strips are directly arranged between the side beams and the middle beams during installation, and the anchoring ribs are required to be welded on the side edges of the side beams for improving the stability of the side beams and the resistance to the ground.
The existing welding mode is manually operated, so long as the deflection angle of the anchoring ribs is not too large, the using effect of the edge beam is not affected, the aesthetic degree of the produced bridge expansion joint is only affected, the intelligent mechanical equipment is considered to replace manual work, and the aesthetic degree after welding is further improved on the premise of ensuring the stability of welding.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the welding fixer for the bridge expansion joint with the limiting function, which is used for mechanically replacing manual welding on the measurement of the bridge expansion joint and effectively improving the welding efficiency and the stability of the bridge expansion joint after welding.
The technical scheme adopted by the invention is as follows: the invention provides a bridge expansion joint welding fixer with a limiting function, which comprises a mechanical arm and a supporting plate connected with the front end of the mechanical arm, wherein an expansion joint adherence limiting device is fixedly arranged on the supporting plate, two sides of the expansion joint adherence limiting device are respectively provided with a group of expansion joint end limiters, and a welding part single-side welding pushing device which is fixedly connected is arranged on the side wall of the expansion joint adherence limiting device.
Further, the expansion joint adherence stop device includes expansion joint subsides limit plate, lead screw, block nut, vertical migration board, cylinder one, the push pedal of backward movement, pull rod and concave form splint, expansion joint subsides limit plate and backup pad fixed connection, the lead screw block rotates to set up on the inner wall of expansion joint subsides limit plate, block slip links to each other between block nut and the lead screw, vertical migration board fixed mounting is on the block nut, cylinder one is fixed on the outer wall of vertical migration board, the push pedal of backward movement is installed on cylinder one, and the push pedal of backward movement is under the flexible effect of cylinder one, and the horizontal migration is under the horizontal migration, the pull rod is fixed on the push pedal of backward movement, the pull rod slides in the draw-in groove on the expansion joint subsides limit plate, concave form splint fixed mounting is on the pull rod.
Further, expansion joint end stopper includes end pressing plate, spacing spring, multisection support, cylinder two, sideslip gyro wheel and gyro wheel sliding tray, spacing spring fixed mounting is on the diapire of concave font splint, the end pressing plate is fixed on spacing spring, multisection support block rotates to set up in the middle recess of concave font splint, multisection support and end pressing plate contact press connection, cylinder two is fixed on multisection support's outer wall, the gyro wheel sliding tray is fixed on multisection support, sideslip gyro wheel slides along the gyro wheel sliding tray, cylinder two links to each other with the sideslip gyro wheel, through cylinder two flexible work, realizes that the sideslip gyro wheel reciprocates in the gyro wheel sliding tray, and the sideslip gyro wheel remains pivoted function throughout.
Preferably, the multi-section bracket is connected with the concave clamping plate through a torsion spring.
Further, the welding piece single-side welding pushing device comprises a welding point bottom traversing structure and a welding point upper end synchronous movement limiting device, the welding point bottom traversing structure is fixedly connected with the expansion joint adherence limiting device, and the welding point upper end synchronous movement limiting device is connected with the welding point bottom traversing structure; the welding point bottom sideslip structure includes that the welding piece places board, propelling movement cylinder, stripper plate, presss from both sides tight draw-in groove, rifle head limiting plate and sleeve pipe, the welding piece is placed the board and is fixed on the lateral wall of expansion joint subsides limit plate, propelling movement cylinder fixed mounting is placed on the board, press from both sides tight draw-in groove setting on the upper wall of welding piece place the board, stripper plate block sliding arrangement is on pressing from both sides tight draw-in groove, the stripper plate links to each other with propelling movement cylinder is fixed, the sleeve pipe sets up on the propelling movement cylinder, rifle head limiting plate is fixed on the sleeve pipe.
Further, the synchronous movement limiting device at the upper end of the welding point comprises an air cylinder limiting plate, an air cylinder III, an air cylinder movement clamping groove and a welding gun, wherein the air cylinder limiting plate is fixedly arranged on the side wall of the expansion joint edge attaching plate, the air cylinder movement clamping groove is formed in the lower wall of the air cylinder limiting plate, the air cylinder III slides along the air cylinder movement clamping groove, and the welding gun is fixedly arranged on the air cylinder III.
Preferably, the gun head limiting plate is provided with a groove, and the gun head of the welding gun slides up and down along the groove on the gun head limiting plate.
Preferably, the expansion joint edge pasting plates are provided with two groups, and the directions of the two groups of expansion joint edge pasting plates are opposite.
Preferably, the gun head of the welding gun is provided with an argon pipe collar, an argon outlet pipe is fixedly arranged on the argon pipe collar, a turbine capable of being clamped and rotated is arranged on the side wall of the argon outlet pipe, inclined fan blades are arranged on the inner wall of the turbine, and a cleaning brush is arranged on the outer wall of the turbine.
Preferably, the air outlet pipe is arranged below the welding gun, so that the air outlet pipe is beneficial to cleaning impurities around welding spots firstly and then performing welding work, and the phenomenon that the welding spots are unstable due to the fact that the impurities are more is avoided.
The bridge expansion joint welding fixer with limiting effect that this scheme provided, its beneficial effect is as follows:
(1) Under the combined action of the end pressing plate and the limiting spring, one end of the multi-section support is pressed, and the other end of the multi-section support deflects, so that the transverse moving roller is close to the bridge expansion joint, the upper end and the lower end of pressing equipment are realized, and the upper wall and the lower wall of the expansion joint boundary beam are automatically limited in the process of clamping the expansion joint boundary beam;
(2) The gas outlet end of the welding protective gas is connected with the turbine structure, so that the protective gas has the design effect of cleaning the surrounding environment of the welding spot while realizing the protective function;
(3) The cylinder stretches to realize that the transverse moving roller moves up and down in the roller sliding groove, and the transverse moving roller always keeps rotating;
(4) Utilize two sets of lead screw structures, realize fastening the upper and lower wall of boundary beam, the cooperation multiunit cylinder realizes fastening the lateral wall of boundary beam, installs the gyro wheel on the fastening material, is favorable to welding equipment to slide on the boundary beam, adjusts welded horizontal point position.
Drawings
FIG. 1 is a schematic perspective view of a bridge expansion joint welding fixture with limiting function;
FIG. 2 is a rear cross-sectional view of a bridge expansion joint weld fixture with a limiting function provided by the invention;
FIG. 3 is a right side cross-sectional view of a bridge expansion joint welding fixture with limiting function provided by the invention;
FIG. 4 is a right side view of a bridge expansion joint welding fixture with limiting function provided by the invention;
FIG. 5 is a top view of a bridge expansion joint welding fixture with limiting function provided by the invention;
FIG. 6 is a schematic cross-sectional view of a three-dimensional structure of a turbine;
FIG. 7 is an enlarged view of a portion A of FIG. 3;
fig. 8 is a partial enlarged view of a portion B in fig. 2.
The welding device comprises a mechanical arm, a supporting plate, a telescopic joint adherence limiting device, a telescopic joint end limiter, a welding piece single-side welding pushing device, a telescopic joint adherence plate, a 7, a screw rod, a 8, a clamping nut, a 9, a vertical moving plate, a 10, a first cylinder, a 11, a backward moving push plate, a 12, a pull rod, a 13, a concave clamping plate, a 14, an end pressing plate, a 15, a limiting spring, a 16, a multi-section support, a 17, a second cylinder, a 18, a transverse moving roller, a 19, a roller sliding groove, a 20, a welding point bottom transverse moving structure, a 21, a welding point upper end synchronous moving limiting device, a 22, a welding piece placing plate, a 23, a pushing cylinder, a 24, a pressing plate, a 25, a clamping groove, a 26, a gun head limiting plate, a 27, a sleeve, a 28, a cylinder limiting plate, a 29, a third cylinder, a cylinder moving clamping groove, a 31, a welding gun, a 32, an argon pipe collar, a 33, an air outlet pipe, a 34, a turbine, a 35, a fan blade, a 36 and a cleaning brush.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; 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.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1, 3 and 7, the bridge expansion joint welding fixer with the limiting function provided by the invention comprises a mechanical arm 1 and a supporting plate 2 connected with the front end of the mechanical arm, wherein an expansion joint adherence limiting device 3 is fixedly arranged on the supporting plate 2, an expansion joint end limiter 4 is arranged on the expansion joint adherence limiting device 3, and a welding part single-side welding pushing device 5 which is fixedly connected is arranged on the side wall of the expansion joint adherence limiting device 3.
As shown in fig. 1, 2 and 4, the welding part single-side welding pushing device 5 comprises a welding point bottom traversing structure 20 and a welding point upper end synchronous moving limiting device 21, wherein the welding point bottom traversing structure 20 is fixedly connected with the expansion joint adherence limiting device 3, and the welding point upper end synchronous moving limiting device 21 is connected with the welding point bottom traversing structure 20; the welding point bottom sideslip structure 20 includes that welding piece places board 22, propelling movement cylinder 23, stripper plate 24, press from both sides tight draw-in groove 25, rifle head limiting plate 26 and sleeve pipe 27, and welding piece places board 22 and fixes on the lateral wall of the adherence stop device 3 of expansion joint, and propelling movement cylinder 23 fixed mounting places board 22 on the welding piece, presss from both sides tight draw-in groove 25 setting on the upper wall that welding piece placed board 22, and stripper plate 24 block slides and sets up on pressing from both sides tight draw-in groove 25, and stripper plate 24 links to each other with propelling movement cylinder 23 is fixed, and sleeve pipe 27 sets up on propelling movement cylinder 23, and rifle head limiting plate 26 is fixed on sleeve pipe 27.
As shown in fig. 1, 2 and 4, the welding point upper end synchronous movement limiting device 21 comprises a cylinder limiting plate 28, a cylinder III 29, a cylinder movement clamping groove 30 and a welding gun 31, wherein the cylinder limiting plate 28 is fixedly arranged on the side wall of the expansion joint adherence limiting device 3, the cylinder movement clamping groove 30 is arranged on the lower wall of the cylinder limiting plate 28, the cylinder III 29 slides along the cylinder movement clamping groove 30, and the welding gun 31 is fixedly arranged on the cylinder III 29.
As shown in fig. 1, 6 and 8, an argon pipe collar 32 is arranged at the gun head of the welding gun 31, an air outlet pipe 33 is fixedly arranged on the argon pipe collar 32, a turbine 34 is arranged on the side wall of the air outlet pipe 33, inclined fan blades 35 are arranged on the inner wall of the turbine 34, and a cleaning brush 36 is arranged on the outer wall of the turbine 34.
As shown in fig. 1 and 3, the expansion joint adherence limiting device 3 comprises an expansion joint adherence plate 6, a screw rod 7, a clamping nut 8, a vertical moving plate 9, a first cylinder 10, a backward moving push plate 11, a pull rod 12 and a concave clamping plate 13, wherein the expansion joint adherence plate 6 is fixedly connected with the support plate 2, the screw rod 7 is clamped and rotated on the inner wall of the expansion joint adherence plate 6, the clamping nut 8 is clamped and slidingly connected with the screw rod 7, the vertical moving plate 9 is fixedly arranged on the clamping nut 8, the first cylinder 10 is fixed on the outer wall of the vertical moving plate 9, the backward moving push plate 11 is arranged on the first cylinder 10, the pull rod 12 is fixed on the backward moving push plate 11, the pull rod 12 slides in a clamping groove on the expansion joint adherence plate 6, and the concave clamping plate 13 is fixedly arranged on the pull rod 12.
As shown in fig. 7, the expansion joint end limiter 4 comprises an end pressing plate 14, a limiting spring 15, a multi-section bracket 16, a second cylinder 17, a transverse moving roller 18 and a roller sliding groove 19, wherein the limiting spring 15 is fixedly arranged on the bottom wall of the concave-shaped clamping plate 13, the end pressing plate 14 is fixed on the limiting spring 15, the multi-section bracket 16 is clamped and rotated in the middle groove of the concave-shaped clamping plate 13, the multi-section bracket 16 is in contact pressing connection with the end pressing plate 14, the second cylinder 17 is fixed on the outer wall of the multi-section bracket 16, the roller sliding groove 19 is fixed on the multi-section bracket 16, the transverse moving roller 18 slides along the roller sliding groove 19, and the second cylinder 17 is connected with the transverse moving roller 18.
As shown in fig. 1, 5 and 7, the multi-section bracket 16 is connected with the concave clamping plate 13 through a torsion spring.
As shown in fig. 1 and 2, the gun head limiting plate 26 is provided with a groove, and the gun head of the welding gun 31 slides up and down along the groove on the gun head limiting plate 26.
As shown in fig. 3, two groups of expansion joint edge plates 6 are provided, and the directions of the expansion joint edge plates 6 of the two groups are opposite.
As shown in fig. 1 and 8, the air outlet pipe 33 is installed below the welding gun 31.
When the device is specifically used, the bridge expansion joint is placed on a workbench, according to an instruction designed originally by the mechanical arm 1, the rotation angle of each rotating shaft of the mechanical arm 1 is adjusted, one side of the plane of the expansion joint edge plate 6 is close to the surface to be welded of the expansion joint, in order to adapt to the expansion joint with different heights, the clamping nut 8 slides along the screw rod 7 in the rotation process of the screw rod 7, the vertical moving plate 9 is lifted, when the two groups of vertical moving plates 9 can contain the expansion joint in the middle, the screw rod 7 rotates again, but the rotation direction is opposite to the lifting direction of the clamping nut 8, the vertical moving plate 9 is close to the upper end and the lower end of the expansion joint, the end pressing plate 14 fixedly connected with the concave clamping plate 13 extrudes the expansion joint, the limiting spring 15 is shortened after being extruded, the end pressing plate 14 moves in the vertical direction, one end of the multi-section bracket 16 contacts with the end pressing plate 14 in a pressing mode, the multi-section bracket 16 deflects, and the first cylinder 10 contracts, so that under the action of the pull rod 12, the traversing roller 18 moves towards the opposite direction of the welded surface of the expansion joint, the two groups of the expansion joint in the horizontal direction limit movable range, the two groups of the expansion joint shrink 17, and the two groups of the roller 18 move in the vertical direction and the vertical direction are respectively, and the two groups of the expansion joint are limited in the vertical direction and the vertical direction, and the expansion joint is applied to the vertical and the vertical direction, and the expansion joint is respectively; after the pushing cylinder 23 stretches, the part to be welded is clamped at the middle position, the specific position of the expansion joint to be welded is adjusted, the moving distance of the transverse moving roller 18 on the expansion joint is adjusted, the welding gun 31 is opened, the gun mouth of the welding gun 31 always faces the joint of the expansion joint and the welding piece, the cylinder III 29 stretches, the welding gun welds the welding piece with the expansion joint from top to bottom, and in the sliding process of the welding gun 31, the groove in the middle of the gun head limiting plate 26 slides downwards to effectively limit the welding gun 31, so that the welding gun 31 vertically faces downwards and does not deviate; during the welding of the welding gun 31, the air outlet pipe 33 continuously sprays argon gas, and the argon gas impacts the fan blades 35 in the turbine 34, so that the turbine 34 rotates, and the cleaning brush 36 cleans attachments such as dust around welding spots, so that the argon gas serves as a protective gas for welding and also realizes a cleaning effect on the welding edges.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (9)
1. Bridge expansion joint welded fastening ware with limiting displacement, including arm (1) and backup pad (2), its characterized in that: the telescopic joint adherence limiting device (3) is fixedly installed on the supporting plate (2), an telescopic joint end limiter (4) is arranged on the telescopic joint adherence limiting device (3), and a welding piece single-side welding pushing device (5) is arranged on the side wall of the telescopic joint adherence limiting device (3).
2. The bridge expansion joint welding fixture with limiting function according to claim 1, wherein: the telescopic seam adherence limiting device (3) comprises an telescopic seam adherence plate (6), a screw rod (7), a clamping nut (8), a vertical moving plate (9), a first cylinder (10), a backward moving push plate (11), a pull rod (12) and a concave clamping plate (13), wherein the telescopic seam adherence plate (6) is fixedly connected with a supporting plate (2), the screw rod (7) is clamped and rotated to be arranged on the inner wall of the telescopic seam adherence plate (6), the clamping nut (8) is clamped and slidingly connected with the screw rod (7), the vertical moving plate (9) is fixedly arranged on the clamping nut (8), the first cylinder (10) is fixed on the outer wall of the vertical moving plate (9), the backward moving push plate (11) is arranged on the first cylinder (10), the pull rod (12) is fixed on the backward moving push plate (11), and the concave clamping plate (13) is fixedly arranged on the pull rod (12).
3. The bridge expansion joint welding fixture with limiting function according to claim 2, wherein: the expansion joint end limiter (4) comprises an end pressing plate (14), a limiting spring (15), a multi-section support (16), a cylinder II (17), a transverse moving roller (18) and a roller sliding groove (19), wherein the limiting spring (15) is fixedly arranged on the bottom wall of the concave-shaped clamping plate (13), the end pressing plate (14) is fixed on the limiting spring (15), the multi-section support (16) is clamped and rotated to be arranged on the concave-shaped clamping plate (13), the multi-section support (16) is in contact pressing connection with the end pressing plate (14), the cylinder II (17) is fixed on the outer wall of the multi-section support (16), the roller sliding groove (19) is fixed on the multi-section support (16), the transverse moving roller (18) slides along the roller sliding groove (19), and the cylinder II (17) is connected with the transverse moving roller (18).
4. A bridge expansion joint welding fixture with limiting function according to claim 3, wherein: the welding piece single-side welding pushing device (5) comprises a welding point bottom traversing structure (20) and a welding point upper end synchronous movement limiting device (21), the welding point bottom traversing structure (20) is fixedly connected with the expansion joint adherence limiting device (3), and the welding point upper end synchronous movement limiting device (21) is connected with the welding point bottom traversing structure (20); the welding point bottom sideslip structure (20) is including welding part placing plate (22), push cylinder (23), stripper plate (24), press from both sides tight draw-in groove (25), rifle head limiting plate (26) and sleeve pipe (27), welding part placing plate (22) are fixed on the lateral wall of expansion joint edge bonding board (6), push cylinder (23) fixed mounting is on welding part placing plate (22), press from both sides tight draw-in groove (25) setting on the upper wall of welding part placing plate (22), stripper plate (24) block slides and sets up on pressing from both sides tight draw-in groove (25), stripper plate (24) are fixed continuous with push cylinder (23), sleeve pipe (27) set up on push cylinder (23), rifle head limiting plate (26) are fixed on sleeve pipe (27).
5. The bridge expansion joint welding fixture with limiting function according to claim 4, wherein: the welding point upper end synchronous movement limiting device (21) comprises a cylinder limiting plate (28), a cylinder III (29), a cylinder movement clamping groove (30) and a welding gun (31), wherein the cylinder limiting plate (28) is fixedly arranged on the side wall of the expansion joint edge attaching plate (6), the cylinder movement clamping groove (30) is arranged on the cylinder limiting plate (28), the cylinder III (29) slides along the cylinder movement clamping groove (30), and the welding gun (31) is fixedly arranged on the cylinder III (29).
6. The bridge expansion joint welding fixture with limiting function according to claim 5, wherein: be equipped with argon pipe lantern ring (32) on welding rifle (31), fixed mounting has outlet duct (33) on argon pipe lantern ring (32), be equipped with turbine (34) on the lateral wall of outlet duct (33), be equipped with flabellum (35) of slope on the inner wall of turbine (34), be equipped with cleaning brush (36) on the outer wall of turbine (34).
7. The bridge expansion joint welding fixture with limiting function according to claim 6, wherein: the multi-section support (16) is connected with the concave clamping plate (13) through a torsion spring.
8. The bridge expansion joint welding fixture with limiting function according to claim 7, wherein: the gun head limiting plate (26) is provided with a groove, and the gun head of the welding gun (31) slides up and down along the groove on the gun head limiting plate (26).
9. The bridge expansion joint welding fixture with limiting function according to claim 8, wherein: the expansion joint edge pasting plates (6) are provided with two groups, and the directions of the two groups of expansion joint edge pasting plates (6) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311803135.7A CN117444495B (en) | 2023-12-26 | 2023-12-26 | Bridge expansion joint welding fixer with limiting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311803135.7A CN117444495B (en) | 2023-12-26 | 2023-12-26 | Bridge expansion joint welding fixer with limiting function |
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| Publication Number | Publication Date |
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| CN117444495A true CN117444495A (en) | 2024-01-26 |
| CN117444495B CN117444495B (en) | 2024-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817216A (en) * | 2024-03-06 | 2024-04-05 | 山西省公路局晋中分局试验室 | Welding equipment for road and bridge expansion joint processing |
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