Welding line stress relief type bridge steel plate continuous welding equipment

Abstract

The application discloses a continuous welding equipment for a bridge steel plate with stress relief of a weld joint, and relates to the technical field of steel plate welding. The equipment comprises a lower moving assembly which is installed at the bottom of a to-be-welded beam box, and a welder can sit on the lower moving assembly to perform overhead welding and stress relief operation. The equipment further comprises a welding assembly which comprises a surrounding cover, a first supporting seat and a first lifting supporting rod, and a weld joint processing assembly which comprises a second lifting supporting rod and a second supporting seat. The second lifting supporting rod is vertically arranged on the top surface of the lower moving assembly. The lower moving assembly is arranged at the bottom of the to-be-welded beam box of the bridge, and the welder can sit on the lower moving assembly to perform overhead welding and fire spraying stress relief operation. The lower moving assembly can move autonomously. In this way, the welder does not need to squat to perform overhead operation, the welding labor is less, and the welding efficiency is higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel plate welding, in particular to a bridge steel plate continuous welding equipment with stress relief of weld. BACKGROUND

[0002] In the field of bridge steel structure manufacturing, the welding quality of the bottom surface steel plate of the box girder (referred to as beam box) as the main load-bearing component directly affects the overall structural strength. In the existing production process, the following operation process is usually adopted: first, the beam box is hoisted to the fixed support for positioning, then the operator enters the bottom area of the beam box, and performs overhead welding operation on the bottom surface steel plate joint by holding the welding gun upside down; after welding, the worker needs to hold the flame gun again to perform local annealing treatment on the weld area to eliminate the welding residual stress.

[0003] However, the above manual operation method has the following defects:

[0004] 1. The operator needs to maintain an upside-down posture for welding and annealing operation, and the neck and spine are in a non-natural stress state for a long time, which can easily cause muscle strain; at the same time, the operator needs to continuously hold the heavy welding gun and flame gun, which causes the upper limb muscles to work under high load for a long time.

[0005] 2. The manual overhead welding posture limits the welding gun control accuracy, and defects such as weld offset and insufficient penetration are easy to occur; the flame moving speed and distance are difficult to keep uniform during annealing treatment, resulting in inconsistent stress relief effect. SUMMARY

[0006] The purpose of the present application is to provide a bridge steel plate continuous welding equipment with stress relief of weld to solve the problems in the prior art.

[0007] To achieve the above purpose, the present application provides the following technical scheme: a bridge steel plate continuous welding equipment with stress relief of weld, comprising: a lower moving assembly installed at the bottom of a beam box to be welded, on which a welding operator sits to perform overhead welding and stress relief operation;

[0008] a welding assembly comprising a surrounding cover, a first bracket and a first lifting support rod, the first lifting support rod being vertically arranged on the top surface of the lower moving assembly, the top end of the first lifting support rod being vertically provided with a horizontally arranged first bracket, the inside of the first bracket being provided with a first assembly hole, the welding gun penetrating through the first assembly hole from bottom to top, the bottom surface of the first bracket being provided with a first positioning component for positioning the welding gun; the top surface of the first bracket is provided with a surrounding cover, the top of the surrounding cover being an open structure, the surrounding cover being fitted on the bottom surface weld of the beam box, and the side surface of the surrounding cover being embedded with an observation window;

[0009] The welding seam processing assembly comprises a second lifting support rod, a second bracket, the second lifting support rod is vertically arranged on the top surface of the lower moving assembly, the top end of the second lifting support rod is vertically provided with a horizontally arranged second bracket, the second bracket is arranged on the front side of the first bracket, the second bracket is internally provided with a second assembly hole, the second assembly hole is internally inserted with a flame gun, and the bottom surface of the second bracket is provided with a second positioning component for positioning the flame gun; the surface of the second bracket is mounted with a hammering component, a welding seam detection component and an oscillating component, the second assembly hole, the hammering component and the welding seam detection component are sequentially arranged along the center line of the second bracket, and the second assembly hole is arranged close to the first bracket; the oscillating component is used to synchronously drive the hammering component and the welding seam detection component to act.

[0010] The welding equipment comprises the following modes:

[0011] In the welding mode, the lower moving assembly advances, and the welding equipment sequentially performs the following actions: the welding seam detection component cleans the impurities on the bottom welding seam of the bridge, the flame gun preheats the welding seam, and the welding gun welds the welding seam.

[0012] In the stress relieving mode, the lower moving assembly retreats, the flame gun heats the welding seam to perform annealing treatment, the hammering component swings to hammer the beam box to accelerate the stress relieving speed and remove the welding slag on the welding seam, and the welding seam detection component reciprocally translates to detect the welding seam quality after stress relieving.

[0013] Further, the lower moving assembly comprises a horizontal guide rail, a vertical guide rail and a base, two groups of vertical guide rails are symmetrically arranged on the bottom of the beam box, the top of the two groups of vertical guide rails is slidably installed with the horizontal guide rail, the top surface of the horizontal guide rail is slidably installed with the base, the surface of the base is provided with a main box, the side wall of the base is provided with a foot supporting plate, and the surface of the foot supporting plate is mounted with a power pedal, a first lifting support rod and a second lifting support rod.

[0014] Further, the side wall of the enclosure cover is connected with the suction pump through a hose, and the outlet end of the suction pump is connected with the recovery box; the suction pump is used to form negative pressure in the enclosure cover to suck out welding fume and take away the heat of the welding gun.

[0015] Further, the first positioning component comprises a first sleeve, the first sleeve is arranged below the first assembly hole, a plurality of first positioning studs in annular array are rotatably arranged on the first sleeve, and the plurality of first positioning studs are used to support the welding gun in multiple positions.

[0016] Further, the second positioning component comprises a second sleeve, the second sleeve is arranged below the second assembly hole, a plurality of second positioning studs in annular array are rotatably arranged on the second sleeve, and the plurality of second positioning studs are used to support the flame gun in multiple positions.

[0017] Further, the hammering component comprises a first side positioning plate, a lever, the first side positioning plate is symmetrically arranged at the surface side of the second support base, the outer wall middle part of the lever is rotatably arranged on the inner wall of the first side positioning plate, the outer end of the lever is provided with a first spring, the end of the first spring is provided with a hammering ball, the lower part between the two groups of levers is fixed with a linkage rod, one end of the linkage rod is extended to the lever and the extended part is a matching column.

[0018] Further, the upper part between the two groups of levers is provided with a connecting plate, the connecting plate is arranged close to the rotating point of the lever, the middle part of the outer wall of the connecting plate is vertically provided with a second spring, the outer end of the second spring is provided with a hammering column, the outer wall of the hammering column is provided with a scraper, the end of the scraper is a sawtooth structure.

[0019] Further, the surface of the second support base is provided with a moving groove at the front end, the moving groove is crosswise arranged at the bottom of the weld seam, the weld seam detecting component comprises an ultrasonic probe, an inclined push rod and a cover, the bottom of the ultrasonic probe is provided with a spring seat, the spring seat is slidably arranged in the moving groove, the bottom end of the inclined push rod is hingedly connected with the spring seat and the top end is hingedly connected with a pressing block, the bottom end of the pressing block is provided with a third spring, the top surface of the pressing block is an arc surface structure, the third spring is vertically arranged on the surface of a positioning plate, the positioning plate is horizontally arranged on the side wall end of the second support base; the surface of the second support base is provided with the cover, the top surface of the cover is provided with a brush, the side wall of the cover is provided with an avoiding groove for avoiding the inclined push rod; in the welding mode, the cover is covered on the ultrasonic probe to protect the ultrasonic probe, and the brush cleans the impurities at the weld seam.

[0020] Further, the swinging component comprises a motor, a second side positioning plate, a first swing rod and a second swing rod, the second side positioning plate is arranged on the outer wall of the first side positioning plate, the inner wall of the second side positioning plate is provided with a rotating disc, the outer wall of the second side positioning plate is provided with a motor for driving the rotating disc to rotate, the inner wall of the rotating disc is vertically provided with a resisting column;

[0021] The middle part of the first swing rod is rotatably arranged on the side wall of the first side positioning plate, one end of the first swing rod is provided with a first rectangular groove and the other end is provided with a second rectangular groove, the resisting column is extended into the second rectangular groove, and the matching column of the linkage rod is extended into the first rectangular groove.

[0022] Further, the end of the first swing rod is hingedly connected with the second swing rod, the surface of the positioning plate is vertically provided with a vertical block, the top of the vertical block is provided with a third rectangular groove, a constraint cylinder is rotatably arranged in the third rectangular groove, a floating hole is arranged in the constraint cylinder, the end of the second swing rod is slidably extended into the floating hole, the second swing rod is pressed on the top arc surface of the pressing block, and the inclined push rod and the second swing rod are vertically distributed.

[0023] Compared with the prior art, the present application has the following advantages:

[0024] 1. The bottom of the bridge to be welded beam box is provided with a lower moving assembly, and a welding worker can sit on the lower moving assembly to perform overhead welding and fire stress relief operation, the lower moving assembly can autonomously walk, thus, the worker does not need to squat to perform overhead operation, the welding labor is less, and the welding efficiency is higher;

[0025] 2. The welding assembly can have the following effects: the first supporting seat and the first positioning component can support the welding gun, and the welding worker does not need to always hold the welding gun; the surrounding cover can surround sparks generated during welding, so as to avoid the sparks from splashing on the welding worker;

[0026] 3. The welding seam processing assembly can have the following effects: the second supporting seat and the second positioning component can support the fire gun, and the welding worker does not need to always hold the fire gun; thus, the fire operation is safer and more labor-saving, and the rapid elimination of welding seam stress is realized; the fire gun can preheat the welding seam during welding, so as to improve the welding seam quality, and can heat and anneal the welding seam during stress relief; the fire gun is located at the front end of the welding gun, so that the fire gun and the welding gun can act in sequence when the lower moving assembly advances during welding, and the lower moving assembly can retreat during stress relief, so that the welding seam processing can be completed in one round trip, and the continuity of the welding seam processing is ensured; the hammering component can swing to hammer the welding seam at the bottom surface of the beam box, so that the stress elimination speed can be accelerated, and the welding slag of the welding seam can be broken, so that subsequent separate welding seam cleaning operation is not needed, and since the fire gun in the previous process has already heated the welding seam, the welding slag breaking effect is better; in the stress relief mode, the welding seam detection component can reciprocate to detect the welding seam, so that subsequent separate welding seam detection is not needed, and since the hammering component in the previous process has already cleaned the welding slag, the detection result is more accurate; in the welding mode, the welding seam detection component is located at the front end, and can pre-clean impurities at the welding seam, so as to facilitate the work of the fire gun and the welding gun. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic view of the welding seam stress relief type bridge steel plate continuous welding equipment of the present application;

[0028] Figure 2 It is a top structure schematic view of the lower moving assembly of the present application;

[0029] Figure 3 It is an internal structure schematic view of the surrounding cover of the present application;

[0030] Figure 4 It is a side connection structure schematic view of the surrounding cover of the present application;

[0031] Figure 5 It is a welding processing assembly structure schematic view of the present application;

[0032] Figure 6 It is a second positioning component structure schematic view of the present application;

[0033] Figure 7 Fig. 1 is a schematic diagram of the hammering component structure of the present application;

[0034] Figure 8 Fig. 2 is a schematic diagram of one side structure of the swinging component of the present application;

[0035] Figure 9 Fig. 3 is a schematic diagram of the other side structure of the swinging component of the present application.

[0036] Reference signs:

[0037] 100, lower moving assembly, 110, base, 120, foot plate, 130, longitudinal guide rail, 140, transverse guide rail, 150, main box, 160, power pedal;

[0038] 200, welding assembly, 210, first bracket, 211, first assembly hole, 220, enclosure cover, 221, observation window, 230, first positioning component, 231, first sleeve, 232, first positioning stud, 240, material pumping pump, 250, recycling box, 260, first lifting support rod, 270, welding gun;

[0039] 400, weld seam processing assembly, 410, second bracket, 411, second assembly hole, 412, moving groove, 420, second lifting support rod, 430, second positioning component, 431, second sleeve, 432, second positioning stud, 440, flame spraying gun;

[0040] 500, hammering component, 510, first side positioning plate, 520, lever, 530, first spring, 531, hammering ball, 540, linkage rod, 541, matching column, 550, connecting plate, 560, second spring, 570, hammering column, 571, scraper;

[0041] 600, swinging component, 610, second side positioning plate, 620, rotating round plate, 621, contact column, 630, first swinging rod, 631, first rectangular groove, 632, second rectangular groove, 640, second swinging rod, 650, positioning plate, 660, vertical block, 661, third rectangular groove, 670, constraint cylinder, 671, floating hole;

[0042] 700, weld seam detection component, 710, ultrasonic probe, 711, spring seat, 720, inclined pushing rod, 730, pressing block, 740, third spring, 750, cover, 751, brush;

[0043] 800, beam box, 810, support. DETAILED DESCRIPTION

[0044] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0045] Embodiment: The present application provides a technical solution of a continuous welding equipment for a weld stress relief type bridge steel plate, as shown in the figure, comprising: Figures 1-9 a lower moving assembly 100 installed at the bottom of a to-be-welded beam box 800, on which a welder sits to perform overhead welding and stress relief operation;

[0046] a welding assembly 200 comprising an enclosure cover 220, a first bracket 210, and a first lifting support rod 260, the first lifting support rod 260 being vertically arranged at the top surface of the lower moving assembly 100, the top end of the first lifting support rod 260 being vertically provided with the horizontally arranged first bracket 210, the inside of the first bracket 210 being provided with a first assembly hole 211, the welding gun 270 penetrating through the first assembly hole 211 from bottom to top, the bottom surface of the first bracket 210 being provided with a first positioning component 230 for positioning the welding gun 270; the top surface of the first bracket 210 being provided with the enclosure cover 220, the top of the enclosure cover 220 being an open structure, the enclosure cover 220 being fitted and closed on the bottom weld of the beam box 800, the side surface of the enclosure cover 220 being embedded with an observation window 221;

[0047] a weld treatment assembly 400 comprising a second lifting support rod 420 and a second bracket 410, the second lifting support rod 420 being vertically arranged at the top surface of the lower moving assembly 100, the top end of the second lifting support rod 420 being vertically provided with the horizontally arranged second bracket 410, the second bracket 410 being arranged at the front side of the first bracket 210, the inside of the second bracket 410 being provided with a second assembly hole 411, the inside of the second assembly hole 411 being inserted with a flame gun 440, the bottom surface of the second bracket 410 being provided with a second positioning component 430 for positioning the flame gun 440; the surface of the second bracket 410 being mounted with a hammering component 500, a weld detection component 700, and a swinging component 600, the second assembly hole 411, the hammering component 500, and the weld detection component 700 being sequentially arranged along the center line of the second bracket 410, the second assembly hole 411 being arranged close to the first bracket 210; the swinging component 600 being used to synchronously drive the hammering component 500 and the weld detection component 700 to act;

[0048] The welding equipment comprises the following modes:

[0049] In the welding mode, the lower moving assembly 100 advances, and the welding device sequentially performs the following actions: the weld seam detection component 700 cleans the bridge bottom weld seam impurities, the flame gun 440 preheats the weld seam, and the welding gun 270 welds the weld seam.

[0050] In the stress relief mode, the lower moving assembly 100 retreats, the flame gun 440 heats the weld seam to perform annealing treatment, the hammering component 500 swings the hammering beam box 800 to speed up the stress relief speed and remove the weld slag on the weld seam, and the weld seam detection component 700 reciprocatingly translates to detect the weld seam quality after stress relief.

[0051] In the above scheme:

[0052] 1. A lower moving assembly 100 is arranged at the bottom of the bridge to-be-welded beam box 800, and the welding personnel can ride on the lower moving assembly 100 to perform overhead welding and flame stress relief operation. The lower moving assembly 100 can autonomously walk, so that the worker does not need to squat for overhead operation, the welding labor is less, and the welding efficiency is higher.

[0053] 2. The welding assembly 200 can have the following effects:

[0054] 2.1. The first support 210 and the first positioning component 230 can support the welding gun 270, and the welding personnel do not need to always hold the welding gun 270.

[0055] 2.2. The enclosing cover 220 can enclose the sparks generated during welding to avoid the sparks splashing on the welding personnel.

[0056] 3. The weld seam processing assembly 400 can have the following effects:

[0057] 3.1. The second support 410 and the second positioning component 430 can support the flame gun 440, and the welding personnel do not need to always hold the flame gun 440. In this way, the flame operation is safer and more labor-saving, and the rapid stress relief of the weld seam is realized.

[0058] 3.2. The flame gun 440 can preheat the weld seam during welding to improve the weld seam quality, and can also heat the weld seam for annealing treatment during stress relief.

[0059] 3.3. The flame gun 440 is located at the front end of the welding gun 270, so that when welding, the lower moving assembly 100 advances, and the flame gun 440 and the welding gun 270 can act in turn, and when stress relief, the lower moving assembly 100 retreats, so that one round trip can complete the weld seam processing, ensuring the continuity of the weld seam processing.

[0060] 3.2, the hammering component 500 can swing to hammer the weld seam at the bottom of the beam box 800, so as to accelerate the stress elimination speed, and also to break the welding slag of the weld seam, so that the subsequent separate weld cleaning operation is not needed, and the welding slag breaking effect is better due to the heating treatment of the weld seam by the front flame gun 440;

[0061] 3.3, in the stress relief mode, the weld detection component 700 can reciprocate to detect the weld seam, so that the subsequent separate weld detection is not needed, and the detection result is more accurate due to the cleaning of the welding slag by the front hammering component 500; in the welding mode, the weld detection component 700 is located at the front end, which can clean the impurities at the weld seam in advance, so as to facilitate the work of the subsequent flame gun 440 and welding gun 270.

[0062] In the embodiment, the lower moving assembly 100 includes a horizontal guide rail 140, a vertical guide rail 130 and a base 110, two groups of vertical guide rails 130 are symmetrically arranged at the bottom of the beam box 800, the top of the two groups of vertical guide rails 130 is slidably installed with the horizontal guide rail 140, the top surface of the horizontal guide rail 140 is slidably installed with the base 110, the surface of the base 110 is provided with a main machine box 150, the side wall of the base 110 is provided with a foot supporting plate 120, and the surface of the foot supporting plate 120 is installed with a power pedal 160, a first lifting supporting rod 260 and a second lifting supporting rod 420.

[0063] In the above scheme, the horizontal guide rail 140 and the vertical guide rail 130 can drive the base 110 to move horizontally and vertically, so as to meet the position welding and stress relief needs of multiple weld seams of the bridge bottom surface, and the welding personnel can transmit the moving signal through the power pedal 160, so as to control the actions of the horizontal guide rail 140 and the vertical guide rail 130, so as to perform the step-by-step welding operation on the weld seam. The main machine box can place various control devices, welding accessories, flame spraying accessories and ultrasonic detection accessories.

[0064] In the embodiment, the side wall of the enclosure cover 220 is connected with the suction pump 240 through a hose, and the outlet end of the suction pump 240 is connected with the recovery box 250; the suction pump 240 is used to form negative pressure in the enclosure cover 220, so as to suck out the welding fume and take away the heat of the welding gun 270.

[0065] In the embodiment, the first positioning component 230 includes a first sleeve 231 arranged below the first assembly hole 211, a plurality of first positioning studs 232 arranged in an annular array are rotatably installed on the first sleeve 231, and the plurality of first positioning studs 232 are used to support the welding gun 270 in multiple positions. The second positioning component 430 includes a second sleeve 431 arranged below the second assembly hole 411, a plurality of second positioning studs 432 arranged in an annular array are rotatably installed on the second sleeve 431, and the plurality of second positioning studs 432 are used to support the flame gun 440 in multiple positions.

[0066] In the above scheme: the plurality of positioning studs in annular distribution can circumferentially clamp the welding gun 270 or the torch 440, and are suitable for clamping and positioning needs of different types or different positions of the same type.

[0067] In the embodiment, the hammering component 500 comprises a first side positioning plate 510 and a lever 520, the first side positioning plate 510 is symmetrically arranged at the surface side of the second holder 410, the outer wall of the lever 520 is rotationally arranged at the inner wall of the first side positioning plate 510, the outer end of the lever 520 is provided with a first spring 530, the end of the first spring 530 is provided with a hammering ball 531, the lower part between the two groups of levers 520 is fixed with a linkage rod 540, one end of the linkage rod 540 is extended out of the lever 520, and the extended part is a matching column 541.

[0068] In the above scheme: in the hammering operation, the matching column 541 of the linkage rod 540 is pulled under force, the linkage rod 540 drives one end of the two groups of levers 520 to rotate downward, so that the other end of the lever 520 rotates upward, and the two hammering balls 531 at the other end of the lever 520 can hammer the two sides of the weld, thereby accelerating the stress relief speed; the first spring 530 can make the hammering ball 531 and the steel plate have flexible contact.

[0069] In order to realize the treatment of the welding slag, in the embodiment, a connecting plate 550 is arranged above the two groups of levers 520, the connecting plate 550 is arranged close to the rotation point of the lever 520, a second spring 560 is vertically arranged at the middle outer wall of the connecting plate 550, a hammering column 570 is arranged at the outer end of the second spring 560, a scraper 571 is arranged on the outer wall of the hammering column 570, and the end of the scraper 571 is in a sawtooth structure.

[0070] In the above scheme: based on the characteristics that the linkage rod 540 drives the hammering ball 531 to swing and hit the two sides of the weld, the connecting plate 550 and the hammering column 570 are additionally arranged, so that the hammering column 570 rotates together with the hammering ball 531 when the lever 520 rotates, the hammering column 570 hits the hollow welding slag, so that the welding slag falls; the scraper 571 with sawteeth is arranged on the outer wall of the hammering column 570, so that the scraper 571 can tangentially break the welding slag when the hammering column 570 rotates, and the breaking slag effect is further improved.

[0071] The second spring 560 is arranged between the hammering column 570 and the connecting plate 550, so that the impact of the hammering column 570 is flexible contact, and the adaptability of the hammering column 570 is improved.

[0072] In the embodiment, the surface of the second holder 410 is provided with a moving groove 412 at the front end, the moving groove 412 is cross-shaped and is arranged at the bottom of the weld seam, the weld seam detection component 700 comprises an ultrasonic probe 710, an inclined push rod 720, a cover 750, the bottom of the ultrasonic probe 710 is provided with a spring seat 711, the spring seat 711 is slidingly installed in the moving groove 412, the bottom end of the inclined push rod 720 is hingedly connected with the spring seat 711, the top end is hingedly connected with a pressing block 730, the bottom end of the pressing block 730 is provided with a third spring 740, the top surface of the pressing block 730 is arc-shaped, the third spring 740 is vertically arranged on the surface of a positioning plate 650, and the positioning plate 650 is horizontally arranged at the end of the side wall of the second holder 410; the surface of the second holder 410 is provided with the cover 750, the top surface of the cover 750 is provided with bristles 751, and the side wall of the cover 750 is provided with a avoiding groove for avoiding the inclined push rod 720; in the welding mode, the cover 750 covers the ultrasonic probe 710 to protect the ultrasonic probe 710, and the bristles 751 clean the impurities at the weld seam.

[0073] In the above scheme:

[0074] 1. In the welding mode, the cover 750 is rotated to above the ultrasonic probe 710, so that the cover 750 can protect the ultrasonic probe 710 and avoid damage to the ultrasonic probe 710 when the ultrasonic probe 710 is not in use, and at the same time, when the cover 750 is rotated, the bristles 751 can face upwards, so that the bristles 751 can clean the impurities at the weld seam;

[0075] 2. In the stress relief mode, the cover 750 is rotated to one side, so that the top of the ultrasonic probe 710 is exposed, the second lifting support rod 420 drives the ultrasonic probe 710 to rise, the ultrasonic probe 710 contacts the weld seam, so that the ultrasonic probe 710 can detect the weld seam; the spring seat 711 can make the ultrasonic probe 710 contact flexibly;

[0076] 3. In order to make the ultrasonic probe 710 detect comprehensively, the pressing block 730 is compressed to compress the third spring 740, the pressing block 730 moves along the moving groove 412 by resisting the third spring 740 through the inclined push rod 720, thereby driving the ultrasonic probe 710 to move, when the pressing block 730 loses the downward pressure, the third spring 740 drives the pressing block 730 to rise and reset, the inclined push rod 720 drives the ultrasonic probe 710 to reset, and reciprocating detection of the weld seam is realized.

[0077] In order to enable the swing component 600 to synchronously drive the hammering component 500 and the weld seam detection component 700 to act,

[0078] In the embodiment, the swinging component 600 comprises a motor 621, a second side positioning plate 610, a first swinging lever 630 and a second swinging lever 640. The second side positioning plate 610 is arranged on the outer wall of the first side positioning plate 510. The inner wall of the second side positioning plate 610 is provided with a rotating circular plate 620. The outer wall of the second side positioning plate 610 is provided with the motor 621 for driving the rotating circular plate to rotate. The inner wall of the rotating circular plate is vertically provided with a contact column 622. The middle part of the first swinging lever 630 is rotatably arranged on the side wall of the first side positioning plate 510. One end of the first swinging lever 630 is provided with a first rectangular groove 631, and the other end is provided with a second rectangular groove 632. The contact column 622 extends into the second rectangular groove 632. The matching column 541 of the linkage lever 540 extends into the first rectangular groove 631. The end of the first swinging lever 630 is hingedly connected with the second swinging lever 640. The surface of the positioning plate is vertically provided with a vertical block body 660. The top of the vertical block body 660 is provided with a third rectangular groove 661. The inside of the third rectangular groove 661 is rotatably arranged with a constraint cylinder 670. The inside of the constraint cylinder 670 is provided with a floating hole 671. The end of the second swinging lever 640 slidably extends into the floating hole 671. The second swinging lever 640 is pressed on the top arc surface of the pressing block 730. The inclined pushing lever 720 is vertically distributed with the second swinging lever 640.

[0079] In the above scheme:

[0080] In the initial state, the hammering ball 531 and the hammering column 570 are downward, and the pressing block 730 is in the pressed state. When the motor 621 rotates, the rotating circular plate is driven to rotate, the rotating circular plate drives the contact column 622 to rotate, the contact column 622 rotates and moves in the second rectangular groove 632, the contact column 622 lifts the inner end of the first swinging lever 630 to rotate, the outer end of the first swinging lever 630 rotates downward, and the second rectangular groove 632 of the outer end of the first swinging lever 630 drives the matching column 541 inside to move downward. The hammering ball 531 and the hammering column 570 can rotate upward to hit the weld joint.

[0081] When the inner end of the first swinging lever 630 rotates upward, the inner end of the second swinging lever 640 is synchronously driven to move upward, the second swinging lever 640 moves axially in the floating hole 671 and drives the constraint cylinder 670 to rotate in the third rectangular groove 661, the second swinging lever 640 is lifted, and the third spring 740 drives the pressing block 730 to lift.

[0082] Subsequently, the rotating circular plate continues to rotate, the contact column 622 drives the inner end of the first swinging lever 630 to rotate downward, the other end of the first swinging lever 630 rotates upward, and the inner end of the first swinging lever 630 can also drive the second swinging lever 640 to rotate downward, and the second swinging lever 640 again downwardly abuts against the pressing block 730.

[0083] Through the above action process, the hammering ball 531 and the hammering column 570 can be reciprocatingly vertically rotated to hit the weld joint, and the ultrasonic probe 710 can be reciprocatingly horizontally moved.

[0084] The specific implementation process of the embodiment is as follows:

[0085] S1, the to-be-welded bridge box 800 is hoisted to the support 810, and the bridge box 800 is placed above the lower moving assembly 100;

[0086] S2, the welder sits on the base, the feet are placed on the foot supporting plate 120, and the base 110 can be controlled to walk through the power pedal 160;

[0087] S3, steel plate welding:

[0088] The cover 750 is covered on the ultrasonic probe 710, when the base 110 moves forward, the bristles 751 clean the weld first, and the flame gun 440 sprays the flame upward to the weld to preheat the weld;

[0089] The welding gun 270 then welds the weld, the surrounding cover 220 surrounds the welding area, and the welding sparks and smoke are output to the recovery box 250 through the soft tube at the bottom;

[0090] S4, weld stress relief:

[0091] When the base 110 retreats, the ultrasonic probe 710 is exposed, the first lifting support rod 260 and the second lifting support rod 420 adjust the height of the first supporting seat 210 and the second supporting seat 410, so that the second supporting seat 410 is lowered and the first supporting seat 210 is lifted;

[0092] The flame gun 440 first sprays the flame to the weld to relieve stress, and the hammering ball 531 and the hammering column 570 hammer the weld, that is, the stress can be relieved and the welding slag can be removed, and the ultrasonic probe 710 reciprocally moves to detect the quality of the weld.

[0093] The welding gun in the application is prior art, and an exemplary model is Jiaosi MIG135. The welding gun is connected to the welding machine through a soft tube. When the welding gun walks, the welding material can be normally supplied;

[0094] The flame gun in the application is prior art. The flame gun is connected to the gas tank through a soft tube. When the flame gun walks, the combustion gas can be normally supplied.

[0095] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A continuous welding apparatus for a welded stress-relieved bridge steel plate, characterized by, The application relates to a welding device for a bridge beam box. The welding device comprises a lower moving assembly, a welding assembly and a weld seam processing assembly. The welding device comprises the following modes: In the welding mode, the lower moving assembly advances, and the welding device sequentially performs the following actions: the weld seam detection component removes impurities from the bottom weld seam of the bridge, the fire gun preheats the weld seam, and the welding gun welds the weld seam. In the stress relief mode, the lower moving assembly retreats, the fire gun heats the weld seam to perform annealing treatment, the hammering component swings to hammer the beam box to accelerate the stress relief speed and remove the welding slag on the weld seam, and the weld seam detection component reciprocatingly translates to detect the weld seam quality after stress relief. The hammering component comprises a first side positioning plate and a lever. The first side positioning plate is symmetrically arranged at the surface side of the second bracket, and the lever is rotatably arranged on the inner wall of the first side positioning plate. The outer end of the lever is provided with a first spring, and the end of the first spring is provided with a hammering ball. The lower end of the two groups of levers is fixed with a linkage rod, and the outer end of the linkage rod is provided with a matching column.

2. The girth welding apparatus for a stress-relieved bridge steel plate according to claim 1, characterized by: The upper end of the two groups of levers is provided with a connecting plate, and the connecting plate is arranged close to the rotating point of the lever.

3. The girth welding apparatus for a stress-relieved bridge steel plate according to claim 2, characterized by: The outer end of the second spring is provided with a hammering column, and the outer wall of the hammering column is provided with a scraper. The end of the scraper is provided with a sawtooth structure. The lower moving assembly comprises a horizontal guide rail, a vertical guide rail and a base. The top of the two groups of vertical guide rails is slidably provided with the horizontal guide rail, and the top surface of the horizontal guide rail is slidably provided with the base. The surface of the base is provided with a main box, and the side wall of the base is provided with a foot supporting plate. The surface of the foot supporting plate is provided with a power pedal, a first lifting support rod and a second lifting support rod. The side wall of the enclosure is connected with a suction pump through a hose, and the outlet end of the suction pump is connected with a recovery box. The suction pump is used to form negative pressure in the enclosure to suck welding fume and take away the heat of the welding gun.

4. The girth welding apparatus for a stress-relieved bridge steel plate according to claim 3, characterized by: The first positioning component comprises a first sleeve arranged below the first assembly hole, a plurality of first positioning studs arranged in an annular array are rotatably arranged on the first sleeve, and the plurality of first positioning studs are used to support the welding gun in multiple positions.

5. The girth welding apparatus for a stress-relieved bridge steel plate according to claim 4, characterized by: The second positioning component comprises a second sleeve arranged below the second assembly hole, a plurality of second positioning studs arranged in an annular array are rotatably arranged on the second sleeve, and the plurality of second positioning studs are used to support the fire gun in multiple positions.

6. The girth welding apparatus for a stress-relieved bridge steel plate according to claim 5, characterized by: The surface of the second holder is provided with a moving groove at the front end, the moving groove is crosswise arranged at the bottom of the weld, and the weld detection component comprises an ultrasonic probe, an inclined push rod and a cover, the bottom of the ultrasonic probe is provided with a spring seat, the spring seat is slidingly arranged in the moving groove, the bottom end of the inclined push rod is hingedly connected to the spring seat, the top end of the inclined push rod is hingedly connected to a pressing block, the bottom end of the pressing block is provided with a third spring, the top surface of the pressing block is an arc surface structure, the third spring is vertically arranged on the surface of a positioning plate, and the positioning plate is horizontally arranged at the side wall end of the second holder; the surface of the second holder is provided with the cover, the top surface of the cover is provided with bristles, and the side wall of the cover is provided with an avoiding groove for avoiding the inclined push rod; in the welding mode, the cover covers the ultrasonic probe to protect the ultrasonic probe, and the bristles clean impurities at the weld.

7. The welded stress-relieved bridge steel plate continuous welding apparatus according to claim 6, characterized by: The swinging component comprises a motor, a second side positioning plate, a first swinging rod and a second swinging rod, the second side positioning plate is arranged on the outer wall of the first side positioning plate, the inner wall of the second side positioning plate is provided with a rotating disc, the outer wall of the second side positioning plate is provided with the motor for driving the rotating disc to rotate, and the inner wall of the rotating disc is vertically provided with a contact column; The middle part of the first swinging rod is rotatably arranged on the side wall of the first side positioning plate, one end of the first swinging rod is provided with a first rectangular groove, the other end of the first swinging rod is provided with a second rectangular groove, the contact column extends into the second rectangular groove, and the matching column of the linkage rod extends into the first rectangular groove.

8. The girth welding apparatus for a stress-relieved bridge steel plate according to claim 7, characterized by: The end of the first swinging rod is hingedly connected to the second swinging rod, the surface of the positioning plate is vertically provided with a vertical block, the top of the vertical block is provided with a third rectangular groove, the inside of the third rectangular groove is rotatably arranged with a constraint cylinder, the inside of the constraint cylinder is provided with a floating hole, the end of the second swinging rod slidingly extends into the floating hole, the second swinging rod is pressed on the top arc surface of the pressing block, and the inclined push rod and the second swinging rod are vertically arranged.

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