CN201020570Y - Soldering seam grinding machine - Google Patents
Soldering seam grinding machine Download PDFInfo
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- CN201020570Y CN201020570Y CNU2007200117260U CN200720011726U CN201020570Y CN 201020570 Y CN201020570 Y CN 201020570Y CN U2007200117260 U CNU2007200117260 U CN U2007200117260U CN 200720011726 U CN200720011726 U CN 200720011726U CN 201020570 Y CN201020570 Y CN 201020570Y
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- 238000003466 welding Methods 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 10
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000005465 channeling Effects 0.000 description 4
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- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
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- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model discloses a welding-seam back chipping machine, comprising a stander (1) and a tool box body (10) connected with the slide way of the stander (1), wherein a power device that drives the rotation of a cutter head (5) is arranged on the tool box body (10); the cutter head (5) is supported on the tool box body (10). By applying a metal cutting model for back chipping purposes, the utility model can improve the operation environment since the back chipping machine produces no noise, no dust and no smoke, with reduced labor intensity and improved welding quality; therefore the utility model can reduce energy consumption and the manufacturing cost.
Description
Technical field:
The utility model relates to a kind of back chipping device, particularly a kind ofly is used for the weld seam back chipping machine that butt welded seam carries out back chipping.
Background technology:
In the pressure vessel manufacture process, welding is a key link, and welding quality directly influences and determining the service life and the security of pressure vessel.At present during welded seam, earlier process groove in the both sides, end limit of sheet material, two sheet materials connect and afterwards all form a complete weld bond in both sides, at first the weld bond to a side welds, postwelding carries out the back chipping processing to the weld bond of opposite side again, and it is the important process measure that guarantees the weld seam penetration that back chipping is handled.Defectives such as what traditional weld seam back chipping was taked usually is pneumatic shovel, and the back is big because of noise and vibration, back chipping groove face shaping is difficult to assurance are replaced by carbon arc air gouging back chipping method gradually.
Carbon arc air gouging is to utilize the electric arc that produces between carbon-point and the workpiece, with metal molten, and with compressed air molten metal is blown off, and process the method for groove on metal.At present the most widely used is to utilize manual carbon arc air gouging butt welded seam to carry out back chipping to handle, its shortcoming is: 1, can produce bigger noise, smog and dust during operation, this is the important source that corporate environment is polluted, in the investment of investment that has increased the environmental protection aspect to enterprise and labour protection aspect, worker's physical and mental health has also been caused injury; 2, owing to be manual operations, when not making carbon-point be bonded at that time probably, mode of operation do not form crisp hard cementite on the unfused metal, produce the carburizing phenomenon, as not with its removing, remain in the groove, postwelding very easily cracks and pore, this carburizing problem, very harmful to the stainless steel that the anti intercrystalline corrosion performance is arranged, must strictness be controlled.Channeling behind the carbon arc air gouging must be with welding after the grinding wheel polishing totally.To requiring the steel alloy of preheating before welding, should under the temperature conditions that is greater than or equal to the weld preheating temperature, just can carry out carbon arc air gouging.Even must the grinding wheel polishing after digging clean, and carry out painted detection, can weld after qualified.And, should not adopt carbon arc air gouging for the slab of the very responsive high-strength alloy steel of those cold cracks; 3, the very thin material slag of one deck that blows out during carbon arc air gouging, it comes down to cementite and iron oxide etc., when compressed air pressure is not enough, very easily form the both sides that dry slag is bonded at channeling, must remove, otherwise, boiling phenomenon will take place in the molten bath during welding, and produce the welding gas hole defect; 4, take copper plating treatment usually for increasing carbon-point conductive characteristic carbon-point surface, can be deposited over the channeling surface when copper sheet peels off and form copper stain, need remove equally, otherwise, produce the part in the commissure and ooze copper, influence weldquality; 5, manual carbon arc air gouging is owing to be manual operations, and when the operator was improper to normative choice, the size and dimension of channeling just was difficult to guarantee, causes solder dam easily, influences quality of weld seam molding.
To sum up, existing manual carbon arc air gouging has environmental pollution, cleaning trouble, time-consuming, shortcoming that weldquality is difficult to guarantee.
The utility model content:
The purpose of this utility model provides a kind of non-environmental-pollution, it is easy, time saving and energy saving to handle, easily guarantee the weld seam back chipping machine of weldquality, overcomes the deficiencies in the prior art.
Weld seam back chipping machine of the present utility model comprises frame, is connected with the cutter casing with rack slide, is provided with to drive the power set that cutterhead rotates on the cutter casing, and described cutterhead is supported on the described cutter casing.
Weld seam back chipping machine of the present utility model, wherein said slideway syndeton is: be provided with support on frame, support is provided with the support slideway, the cutter casing slideway that matches with the support slideway is fixed on the cutter casing, feed leading screw up and down is housed on support, fixedly connected with the cutter casing with the screw that feed leading screw up and down matches, described power set structure is: the decelerator that is provided with motor and joins with motor on the cutter casing, the output shaft of decelerator and described cutterhead join.
Weld seam back chipping machine of the present utility model, the bottom of wherein said frame are provided with support wheel and move wheel, are provided with leading screw screw lowering or hoisting gear between described mobile wheel and the frame, the last termination lifting handwheel of described leading screw, support wheel and the vertical setting mutually of mobile wheel.
Weld seam back chipping machine of the present utility model, the both sides of wherein said frame are provided with support wheel, the track that matches with support wheel is fixed on the rail bracket, between support and frame, be provided with runner device, this runner device structure is: be connected with the dolly slideway on frame, fixedly connected with support with the support slideway that the dolly slideway matches, be provided with leading screw screw thrust unit between support slideway and dolly slideway, the termination of this leading screw is connected to the feeding handwheel.
Weld seam back chipping machine of the present utility model, wherein said support wheel shaft are connected and support on the wheel carrier, support that bolt is connected between wheel carrier and the frame.
Weld seam back chipping machine of the present utility model, be provided with tumbler and mobile device between wherein said frame and the support, its structure is: the bottom at support is provided with rotary disk, on the outer circumference of rotary disk, be provided with the rotary disk gear ring, is furnished with pivoting support mutually with rotary disk, pivoting support is located on the moving slider, motor is fixed on the moving slider, on the axle of motor the gear that is meshed with the rotary disk gear ring is housed, be connected for slideway between moving slider and the rack slide, and the driving leading screw that screw is housed and matches with screw, the termination of leading screw connects reductor and mobile motor.
The utility model compared with prior art, because having adopted the mode butt welded seam of metal cutting to carry out back chipping handles, stopped manual carbon arc air gouging noise that back chipping produces, smog and dust, improved operating environment, health of operators and environmental protection have been played positive role; The metal fillings that is produced in cutting back chipping process can be recycled, and increases the income of enterprise, has reduced manufacturing cost; Groove behind the back chipping need not both have been saved grinding wheel with wire brush or grinder buffing, had also saved the power consumption of polishing; Utilize equipment of the present utility model to save the consumption of carbon-point, carbon arc air gouging power consumption is 30kw/h, and electricity consumption of equipment amount of the present utility model has only 2.2～3kw/h, handle one weld seam as carbon arc air gouging and need 2 hours, the groove reconditioning needs 1 hour, power consumption 2kw/h, and device just of the present utility model is wanted 1 hour cutting time, as seen unit efficiency is 3 times of prior art, and the not enough prior art of power consumption 1/12; Utilize the groove face quality of device processes of the present utility model good, should not produce weld defect, guaranteed weldquality, also need not carry out any Non-Destructive Testing; The utility model is not subjected to the restriction of metal material, is not subjected to be welded the restriction of cylindrical shell specification, and is applied widely.
Description of drawings:
Fig. 1 is the structural representation of the embodiment 1 of the utility model weld seam back chipping machine;
Fig. 2 is the structural representation of the embodiment 2 of the utility model weld seam back chipping machine;
Fig. 3 is the structural representation of the embodiment 3 of the utility model weld seam back chipping machine;
Fig. 4 is the user mode figure of the embodiment 1 of the utility model weld seam back chipping machine;
Fig. 5 is the user mode figure of the embodiment 2 of the utility model weld seam back chipping machine;
Fig. 6 is the user mode figure of the embodiment 3 of the utility model weld seam back chipping machine.
The specific embodiment:
Embodiment 1: as shown in Figure 1: 1 is frame, can adopt shaped steel or steel plate welding production.A terminal bolt is fixedly connected with support 15 above frame 1, and support 15 can adopt the casting mode to process or adopt the shaped steel welding production.Be fixed with support slideway 12 at support 15 screwings, be furnished with toolbox body slideway 11 mutually with support slideway 12, cutter casing slideway 11 screws are fixed on the cutter casing 10, and this slideway that cooperatively interacts can be the dovetail groove type slideway.Be connected with feed leading screw 14 up and down at support 15 upper bearing (metal)s, the screw that matches with feed leading screw 14 up and down is fixed on the cutter casing slideway 11, the upper end of feed leading screw 14 is equipped with feed handwheel 13 up and down up and down, when rotating handwheel 13, feed leading screw 14 rotates thereupon up and down, associated screw can move up and down, and drives cutter casing 10 simultaneously and moves up and down.Described cutter casing slideway 11, support slideway 12, feed leading screw 14 and associated screw structure and the engine lathe structure of crossing feed is identical up and down, is not described in detail in this.
Bolting has motor 9 and decelerator on cutter casing 10, and the motor shaft and the input shaft of speed reducer of motor 9 are joined, and is fixed with cutterhead 5 on the output shaft 4 of decelerator, adopts six five equilibrium modes to be fixed with cutter 6 with bolt 7 on the circumference of cutterhead 5.When motor 9 runnings, can drive cutterhead 5 and cutter 6 rotations by decelerator, feed handwheel 13 finally makes cutterhead 5 and cutter 6 move up and down by rotating up and down again, reaches the purpose of feed up and down.
Two side shafts are connected with support wheel 3 below frame 1, are equipped with in support wheel 3 centre positions of both sides to move to take turns 2, and support wheel 3 and mobile wheel 2 all are installed on the frame 1 by wheel carrier, and support wheel 3 is taken turns 2 mutual vertical settings with moving.Between the wheel carrier of the mobile wheel 2 at middle part and frame 1, leading screw screw lowering or hoisting gear is housed, when the lifting handwheel 16 in this lowering or hoisting gear rotates, can make the whole rising of this equipment, have only 2 support integrals of the wheel of moving, support wheel 3 lifts, and this moment, equipment integral body can laterally move by moving wheel 2; When rotating lifting handwheel 16 round about, equipment is whole to descend, and moves wheel 2 and lifts, and has only support wheel 3 to play a supportive role, but this moment, butt welded seam cut back chipping.
Other end upper fixed in frame 1 has balancing weight 19, is used for the gravity of balance cutter casing 10 1 ends.
Bolting has seat 17 on frame 1, with handled easily personnel's operation.
As shown in Figure 4: the course of work is as follows: 46 is pressure container cylinder to be welded, and by positioner 45 supports, when two cylindrical shells connect and after the groove in the outside is soldered, its inboard groove both weld seam can utilize this equipment to carry out the back chipping processing, earlier this equipment is placed horizontally set in the cylindrical shell 46, move axially along cylindrical shell by moving wheel 2, make cutter 6 just be positioned at the commissure that two cylindrical shells connect, rotate lifting handwheel 16 then, complete machine is fallen, support by support wheel 3, and utilize braking pin 18 on the balancing weight 19 to stretch out cylindrical shell 46 outsides and retaining leans against locating racks location, cylindrical shell 46 end, and can drive cutters 6 by motor 9 and rotate this moment, and butt welded seam carries out back chipping, feed during back chipping is by feed handwheel 13 controls up and down, in the course of the work, cylindrical shell 46 moves in the direction of the clock, and cutterhead 5 drives cutter 6 by counterclockwise rotating, but butt welded seam cuts, and reaches the purpose of back chipping.
The said equipment is applicable to the cross weld in the tube is carried out back chipping.
Embodiment 2: as shown in Figure 2: 1 is frame, can adopt shaped steel or steel plate welding production.Be provided with support 15 above frame 1, support 15 can adopt the casting mode to process or adopt the shaped steel welding production.Be fixed with support slideway 12 at support 15 screwings, is furnished with toolbox body slideway mutually with support slideway 12, cutter casing slideway is located on the cutter casing 10, be connected with feed leading screw 14 up and down at support 15 upper bearing (metal)s, the screw that matches with feed leading screw 14 up and down is fixed on the cutter casing 10, the upper end of feed leading screw 14 can be equipped with feed handwheel up and down up and down, when rotating this handwheel, feed leading screw 14 rotates thereupon up and down, associated screw can move up and down, and drives cutter casing 10 simultaneously and moves up and down.Described cutter casing slideway, support slideway 12, feed leading screw 14 and associated screw structure and the engine lathe structure of crossing feed is identical up and down, is not described in detail in this.
Bolting has motor and decelerator on cutter casing 10, and the motor shaft and the input shaft of speed reducer of motor are joined, and the output shaft of decelerator is equipped with cutterhead 5, and cutterhead 5 is the used chuck mode anchor clamps of machining industry, and clamping has rod cutter 6 on it.When motor rotation, can drive cutterhead 5 and cutter 6 rotations by decelerator, the feed handwheel finally makes cutterhead 5 and cutter 6 move up and down by rotating up and down again, reaches the purpose of feed up and down.
Between described support 15 and frame 1, be provided with mobile slideway, this slideway structure is: bolting has dolly slideway 24 on frame 1, fixedly connected with support 15 with the support slideway 23 that the dolly slideway matches, leading screw screw device is housed between described dolly slideway 24 and the support slideway 23, traverse feed handwheel 25 is equipped with in the termination of leading screw, when rotating feeding handwheel 25, drive supports 15 by leading screw screw driving arm slideway 23 and move, the action of can reality crossing feed along dolly slideway 24.
Both sides in frame are fixed with support wheel carrier 29 with wheel carrier bolt 30, and axle is connected with support wheel 3 on the support wheel carrier 29, is connected with rail bracket 26 bolts with the track 27 that support wheel 3 matches.
As shown in Figure 5: the course of work is as follows: 46 is pressure container cylinder to be welded, earlier rail bracket 26 and track 27 symmetries are fixed on cylindrical shell 46 tops, the support wheel 3 that is installed on the frame 1 matches with track 27, this device can be vertically moved at track 27 upper edge cylindrical shells 46, by the rotation of cutter 6, can carry out back chipping to the longitudinal seam in cylindrical shell 46 outsides and handle.
Embodiment 3: as shown in Figure 3: 1 is frame, can adopt shaped steel or steel plate welding production.Be provided with support 15 on frame 1, support 15 can adopt the casting mode to process or adopt the shaped steel welding production.Be fixed with support slideway 12 at support 15 screwings, be furnished with toolbox body slideway 11 mutually with support slideway 12, cutter casing slideway 11 screws are fixed on the cutter casing 10, and this slideway that cooperatively interacts can be the dovetail groove type slideway.Be connected with feed leading screw 14 up and down at support 15 upper bearing (metal)s, the screw that matches with feed leading screw 14 up and down is fixed on the cutter casing slideway 11, feed handwheel up and down can be equipped with in the termination of feed leading screw 14 up and down, perhaps connect tumbler, be used for the conduct driving mechanism of feed leading screw 14 up and down by driven by motor.When rotating up and down feed leading screw 14, associated screw can move up and down, and drives cutter casing 10 simultaneously and moves up and down.Described cutter casing slideway 11, support slideway 12, feed leading screw 14 and associated screw structure and the engine lathe structure of crossing feed is identical up and down, is not described in detail in this.Can also adopt following feed mode up and down: be provided with motor and chain tractor in support 15, the driven by motor chain drags cutter casing 10 and moves up and down along slideway 12, and this operation is finished by the control cabinet button.
Bolting has motor and decelerator on cutter casing 10, and the motor shaft and the input shaft of speed reducer of motor are joined, and the output shaft 4 of decelerator is equipped with cutterhead 5, with bolting cutter 6 is arranged on the circumference of cutterhead 5.When motor rotation, can drive cutterhead 5 and cutter 6 rotations by decelerator, feed leading screw 14 finally makes cutterhead 5 and cutter 6 move up and down by rotating up and down again, reaches the purpose of feed up and down.
Between frame 1 and support 15, be provided with mobile device and slewing equipment, its structure is: be fixed with rack rail 35 on frame 1, is furnished with moving slider 36 mutually with rack rail 35, the screw thrust unit that leading screw 42 is housed between rack rail 35 and moving slider 36 and matches with leading screw 42, screw is fixedlyed connected with moving slider 36, when leading screw 42 rotates, can drive moving slider 36 by screw and move along rack slide 35.The termination of leading screw 42 is connected to decelerator 43 and motor 44, drives leading screw 42 by motor 44 and rotates.
On moving slider 36, be provided with pivoting support 37, is furnished with rotary disk 38 mutually with pivoting support 37, support 15 is bolted on the rotary disk 38, on the outer circumference face of rotary disk 38, be processed with rotary disk gear ring 39, the gear 40 that matches with rotary disk gear ring 39 joins with motor 41, and motor 41 is by being bolted on the rotary disk 38.During motor 41 runnings, can drive support 15 and rotate, make cutter 6 change direction.On support 1, be provided with motor and slide unit 45 with motor 44 vertical direction, jointed gear unit or rack-and-pinion or leading screw screw transmission mechanism are housed in the frame 1, this motor rotates drive transmission mechanism promotion slide unit 45 and moves, drive support 15 and move as horizontal direction, with the processing request at convenient different cylindrical shells 46 position while welding places together with cutter casing 10.
As shown in Figure 6: the course of work is as follows: 46 is pressure container cylinder to be welded, be supported on the positioner 45, cutter on the cutterhead 56 is aligned the commissure, cylindrical shell 46 moves in the direction of the clock, and cutterhead 5 drive cutters 6 also move in the direction of the clock, but butt welded seam cuts, and reaches the purpose of back chipping.The feed of cutter 6 and withdrawing can drive leading screws 42 by motor 44 and drive moving sliders 36 and move realization, and the rotation by motor 41 can realize that cutter 6 is required arbitrarily angled in 360 degree scopes, flexibility and reliability.
Claims (6)
1. weld seam back chipping machine, it is characterized in that: comprise frame (1), be connected with cutter casing (10) with frame (1) slideway, be provided with on cutter casing (10) and drive the power set that cutterhead (5) rotates, described cutterhead (5) is supported on the described cutter casing (10).
2. the described weld seam back chipping of root a tree name claim 1 machine, it is characterized in that: described slideway syndeton is: be provided with support (15) on frame (1), support (15) is provided with support slideway (12), the cutter casing slideway (11) that matches with support slideway (12) is fixed on the cutter casing (10), feed leading screw (14) up and down is housed on support (15), fixedly connected with cutter casing (10) with the screw that feed leading screw (14) up and down matches, described power set structure is: the decelerator that is provided with motor (9) and joins with motor (9) on cutter casing (10), the output shaft of decelerator and described cutterhead (5) join.
3. weld seam back chipping machine according to claim 2, it is characterized in that: the bottom of described frame (1) is provided with support wheel (3) and moves wheel (2), be provided with leading screw screw lowering or hoisting gear between described mobile wheel (2) and the frame (1), the last termination lifting handwheel (16) of described leading screw, support wheel (3) and mobile wheel (2) vertical setting mutually.
4. weld seam back chipping machine according to claim 2, it is characterized in that: the both sides of described frame (1) are provided with support wheel (3), the track (27) that matches with support wheel (3) is fixed on the rail bracket (26), between support (15) and frame (1), be provided with runner device, this runner device structure is: being connected on frame (1) is connected to dolly slideway (24), fixedly connected with support (15) with the support slideway (23) that dolly slideway (24) matches, be provided with leading screw screw thrust unit between support slideway (23) and dolly slideway (24), the termination of this leading screw is connected to feeding handwheel (25).
5. weld seam back chipping machine according to claim 4 is characterized in that: described support wheel (3) axle is connected and supports on the wheel carrier (29), supports that bolt is connected between wheel carrier (29) and the frame (1).
6. weld seam back chipping machine according to claim 2, it is characterized in that: be provided with tumbler and mobile device between described frame (1) and the support (15), its structure is: be provided with rotary disk (38) in the bottom of support (15), on the outer circumference of rotary disk (38), be provided with rotary disk gear ring (39), is furnished with pivoting support (37) mutually with rotary disk (38), pivoting support (37) is located on the moving slider (36), motor (41) is fixed on the moving slider (36), on the axle of motor (41) gear (40) that is meshed with rotary disk gear ring (39) is housed, be connected for slideway between moving slider (36) and the rack slide (35), and the driving leading screw (42) that screw is housed and matches with screw, the termination of leading screw (42) connects reductor (43) and mobile motor (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200117260U CN201020570Y (en) | 2007-04-18 | 2007-04-18 | Soldering seam grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200117260U CN201020570Y (en) | 2007-04-18 | 2007-04-18 | Soldering seam grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN201020570Y true CN201020570Y (en) | 2008-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200117260U Expired - Fee Related CN201020570Y (en) | 2007-04-18 | 2007-04-18 | Soldering seam grinding machine |
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| Country | Link |
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| CN (1) | CN201020570Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615459A (en) * | 2011-01-30 | 2012-08-01 | 上海狮百盛焊材科技有限公司 | Movable flexible interior support tooling equipment of crane large arm barrel and working method thereof |
| CN103386512A (en) * | 2013-07-24 | 2013-11-13 | 常州市瑞泰工程机械有限公司 | Combined overlap pushing cutter and use method thereof |
| CN104308399A (en) * | 2014-08-27 | 2015-01-28 | 中广核工程有限公司 | Tool and method for repairing omega seal weld defects of CRDM (control rod drive mechanism) pressure-resistant housing of nuclear power plant |
| CN107498415A (en) * | 2017-08-18 | 2017-12-22 | 中国船舶重工集团公司第十二研究所 | Thin-wall curved-surface composite groove inner corner trim weld root cleaning device and back chipping method |
| CN111054956A (en) * | 2019-12-30 | 2020-04-24 | 武昌船舶重工集团有限公司 | Weld joint back chipping processing equipment |
| CN111922557A (en) * | 2020-06-29 | 2020-11-13 | 福建省气柜设备安装有限公司 | Novel construction equipment for welding wall plate by using climbing column robot |
| CN112658353A (en) * | 2020-12-30 | 2021-04-16 | 江苏一重数控机床有限公司 | High-precision low-residual-stress welding seam milling and back-gouging robot |
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2007
- 2007-04-18 CN CNU2007200117260U patent/CN201020570Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615459A (en) * | 2011-01-30 | 2012-08-01 | 上海狮百盛焊材科技有限公司 | Movable flexible interior support tooling equipment of crane large arm barrel and working method thereof |
| CN103386512A (en) * | 2013-07-24 | 2013-11-13 | 常州市瑞泰工程机械有限公司 | Combined overlap pushing cutter and use method thereof |
| CN103386512B (en) * | 2013-07-24 | 2016-05-04 | 常州市瑞泰工程机械有限公司 | A kind of combined type pushes away celectome and using method thereof |
| CN104308399A (en) * | 2014-08-27 | 2015-01-28 | 中广核工程有限公司 | Tool and method for repairing omega seal weld defects of CRDM (control rod drive mechanism) pressure-resistant housing of nuclear power plant |
| CN104308399B (en) * | 2014-08-27 | 2016-03-02 | 中广核工程有限公司 | Nuclear power station CRDM pneumatic shell Ω seal weld weld defect repairing tool of automobile and method |
| CN107498415A (en) * | 2017-08-18 | 2017-12-22 | 中国船舶重工集团公司第十二研究所 | Thin-wall curved-surface composite groove inner corner trim weld root cleaning device and back chipping method |
| CN111054956A (en) * | 2019-12-30 | 2020-04-24 | 武昌船舶重工集团有限公司 | Weld joint back chipping processing equipment |
| CN111922557A (en) * | 2020-06-29 | 2020-11-13 | 福建省气柜设备安装有限公司 | Novel construction equipment for welding wall plate by using climbing column robot |
| CN111922557B (en) * | 2020-06-29 | 2022-04-29 | 中琉科技有限公司 | Novel construction equipment for welding wall plate by using climbing column robot |
| CN112658353A (en) * | 2020-12-30 | 2021-04-16 | 江苏一重数控机床有限公司 | High-precision low-residual-stress welding seam milling and back-gouging robot |
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