CN211465328U - Water wall pipe simulation welding frame - Google Patents

Water wall pipe simulation welding frame Download PDF

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Publication number
CN211465328U
CN211465328U CN201921846344.9U CN201921846344U CN211465328U CN 211465328 U CN211465328 U CN 211465328U CN 201921846344 U CN201921846344 U CN 201921846344U CN 211465328 U CN211465328 U CN 211465328U
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welding
fixing
water wall
working surface
horizontal
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张涛
高树奎
严晖
任子明
李奇伟
张德生
冯继东
李跃峰
焦志红
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Dongjiao Thermal Power Co Ltd Of State Power Group Co ltd
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Dongjiao Thermal Power Co Ltd Of State Power Group Co ltd
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Abstract

The utility model relates to a water wall pipe simulation welding frame belongs to the welding technology field, solves current water wall pipe welding process, because the welding personnel lead to the fact the welding problem to welding position and welding technology's lively and careless. The utility model discloses a water wall pipe simulation welding frame, a height adjusting component comprises a stand column, a height adjusting lock nut and a height adjusting sleeve; the angle assembly comprises a 0-degree fixing hole, a 45-degree fixing hole and a 90-degree fixing hole; the connecting assembly comprises a horizontal clamping plate and a horizontal sleeve; the fixing assembly comprises a horizontal fixing bolt, a workbench fixing bolt, a pipe fitting fixing angle iron, a pipe fitting fixing bolt and a working face fixing platform; the pipe fitting fixing angle iron 16 is formed by welding two steel plates, the angle between the two steel plates is alpha, and the alpha is more than or equal to 45 degrees and less than or equal to 135 degrees. The utility model provides a water wall pipe simulating welding frame has promoted welding tech workman's welding technique, has effectively reduced the porosity of crater, has pressed from both sides sediment rate, crackle defect rate, improves crackle crater qualification rate.

Description

Water wall pipe simulation welding frame
Technical Field
The utility model relates to a pipeline under pressure welding technical field especially relates to a simulation welding frame of power plant's water wall pipe.
Background
With the rapid development of the power industry, the single unit capacity of thermal power generating units at home and abroad is continuously increased, and the examination of power plant equipment is also followed. The water wall pipe is an important component in a heating surface pipe of a power plant boiler and belongs to a high-temperature high-pressure pipeline. Along with the long-term use of equipment, high temperature corrosion, wearing and tearing, sampling etc. need change the welding to the water wall pipe in batches, regularly.
The particularity of the welding of the water-cooled wall lies in that the welding is limited by the pipe pitch, the distance between pipes is small, the welding position is difficult, the welding angle is small, the defects of air holes, slag inclusion, cracks and the like are easy to occur, the repair and repair are also very difficult, and the stable operation of a generator set is seriously influenced. Because the height of the spatial position of a weldment and the distance for arranging the barrier pipes have certain requirements in the welding process of the water wall pipe, the welding technical requirements on welding personnel in a power plant are very high. The cross obstacle welding frame is adopted for training welding technicians in the power plant industry at present, the structure is single, the welding environment with small water wall pipe spacing in actual welding operation cannot be simulated, and then the effective training effect on the welding skill of the welding workers cannot be achieved. Therefore, the design of a simulation welding frame is urgently needed, the simulation of the welding condition of the actual on-site water wall pipe can be realized, and the training of welding workers is realized.
SUMMERY OF THE UTILITY MODEL
In view of the aforesaid analysis, the embodiment of the utility model provides a aim at providing a water wall pipe simulation weld holder, this weld holder can simulate actual welding scene for weld training is carried out to welding personnel, further promotes welding technical personnel and promotes the welder to water wall welded proficiency and real level of practicing.
A water wall tube mock welding stand, comprising: the device comprises a base 1, a height adjusting assembly, an angle assembly, a connecting assembly, a fixing assembly and a working surface centralized fixing platform 18; the height adjustment assembly includes: the device comprises a stand column 2, a height adjusting lock nut 3 and a height adjusting sleeve 4; the angle assembly includes: a 0-degree fixing hole 6, a 45-degree fixing hole 7 and a 90-degree fixing hole 8; the coupling assembling includes: a horizontal clamping plate 5 and a horizontal sleeve 10; the fixing assembly includes: horizontal fixing bolt 9, workstation fixing bolt 11, pipe fitting fixed angle 16 and pipe fitting fixing bolt 17.
Furthermore, the pipe fitting fixing angle iron (16) is formed by welding two steel plates, the angle between the two steel plates is alpha, the alpha is more than or equal to 45 degrees and less than or equal to 135 degrees, and the size of the alpha is related to the diameter of the water wall pipe.
Further, the working surface concentrated fixing platform 18 includes: a first tube group working surface 13, a second tube group working surface 14, and a third tube group working surface 15; the working surfaces 13, 14 and 15 of the first tube group, the second tube group and the third tube group are circumferentially distributed along the working surface centralized fixing platform 18; the working surface centralized fixing platform 18 is of a regular polygon structure; the working surface centralized fixing platform (18) is an equilateral triangle with the side length of 400mm formed by No. 10 channel steel, and two sides of the platform are covered with steel plates with the thickness of 8 mm. The working surface (13) of the first pipe group is provided with 6 barrier pipes; 4 barrier pipes are arranged on the working surface (14) of the second pipe group; the working surface (15) of the third pipe group is provided with 4 barrier pipes.
The tube pitch of the working surface (13) of the first tube group is 60mm, and the tube spacing is 32 mm; the tube pitch of the working surface (14) of the second tube group is 48mm, the tube spacing is 16mm, the tube pitch of the working surface (15) of the third tube group is 75mm, and the tube spacing is 15 mm.
Further, the working surface centralized fixing platform 18 is connected with the horizontal clamping plate 5 through the horizontal sleeve 10 and is fixed by the horizontal fixing bolt 9.
Further, a 0-degree fixing hole 6, a 45-degree fixing hole 7, and a 90-degree fixing hole 8 are circumferentially distributed at one end of the horizontal adjustment arm 12.
Further, the horizontal adjusting arm 12 is connected with the upright post 2 through the height adjusting sleeve 4 and is pressed and fixed by the height adjusting locking nut 3; the height adjusting sleeve 4 is sleeved on the upright post.
Further, 45 fixed orifices 7 are used for the welding that the angular separation of water wall pipe and horizontal direction is 45 positions, 0 fixed orifices 6 are used for the welding of water wall pipe vertical position, fixed platform 18 is parallel with stand 2 axial in the working face is concentrated, 90 fixed orifices 8 are used for the welding of water wall pipe horizontal position, fixed platform 18 is concentrated to the working face and the stand 2 angular separation is 90.
Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:
(1) the utility model discloses well working face concentrates and sets up first nest of tubes working face, second nest of tubes working face and third nest of tubes working face on the fixed platform, three working face sets up pipe interval and pipe pitch according to actual apparatus for producing and simulation welded platform 1: 1's proportion, simulate the operational environment of pipe interval and pipe pitch between the actual welding pipe fitting, increase the degree of knowing of welding workman to the actual welding operation environment, reduce the welding error of welding workman in actual welding operation, effectively improve water-cooling wall pipe crater qualification rate, reduce repair rate and boiler "booster" risk.
(2) The utility model provides a simulation welding frame, during the design, three spatial position and the difference of different welding personnel height difference and the difference of actual welding height of considering the pipe butt joint are equipped with 0 fixed orifices, 45 fixed orifices, 90 fixed orifices, and these three angle adjustment parts realize the multi-angle welding operation of horizontal, vertical and 45-degree angle oblique welding position; the height adjusting assembly, the stand column, the height adjusting sleeve and the height adjusting locking nut realize the height adjustment of the simulation welding frame and overcome the defect of single position angle of other welding frames.
(3) The utility model provides a simulation welding frame, which comprises a simulation welding working platform, an adjusting arm and a stand column base, wherein the simulation welding working platform is connected with the adjusting arm by a horizontal connecting sleeve and is fixed by a horizontal fixing bolt; the adjusting arm is connected with the upright post by a high-low connecting sleeve and is fixed by a high-low adjusting sleeve. The utility model discloses a simulation welding frame simple structure, the realization simulation welding operation that the welding workman can be convenient is convenient for process, installation and dismantlement.
The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
FIG. 1 is a front view of a simulated welding stand for water wall tubes;
FIG. 2 is a side view of a simulated weld holder for water wall tubes;
FIG. 3 is a sectional view taken along line A-A and a sectional view taken along the working surface of the second tube set;
reference numerals:
1-a base; 2-upright post; 3-adjusting the height of the lock nut; 4-height adjustment sleeve; 5-horizontal splints; a 6-0 degree fixing hole; 7-45 degree fixing holes; 8-90 degree fixing holes; 9-horizontal adjusting bolt; 10-a horizontal connecting sleeve; 11-a work platform fixing bolt; 12-a full position adjustment arm; 13-first stack working face; 14-a second tube set working surface; 15-working surface of third tube group; 16-pipe fitting fixing angle iron; 17-pipe fitting fixing bolts; and 18, centralized fixing of the platform on the working surface.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.
The welding frame is used for simulating an actual welding site, particularly, in the embodiment, the welding of the boiler water wall pipe connecting structure pipe is simulated, but the welding frame is not limited to simulating the welding equipment.
As shown in the attached figures 1 and 2, the water wall pipe simulated welding frame body is composed of a base 1, an upright post 2, an adjusting arm 12 and a working surface centralized fixing platform 18.
The gravity center of the whole welding operation frame of the base 1 is a steel plate as a main body, the welding operation frame is stable, therefore, the base needs certain weight, and the accident that the base is inclined and overturned due to the fact that the weldment is too heavy after the weldment is additionally arranged is avoided. The stand column 2 supports the whole welding operation frame, the main body is a steel pipe, and the purpose is to enable a weldment to be fixed at a certain height, so that welding is facilitated.
The adjusting arm 12 is located at the upper part of the welding frame, the main body is a steel plate processed according to requirements, and detachable holes for fixing are formed in the main body, so that components in different spatial positions can be conveniently installed.
The working surface centralized fixing platform 18 is fixed on the adjusting arm, and the working surface centralized fixing platform welds simulation pipe fittings with different pipe diameters according to the difference between the aperture of the water wall pipe and the hole spacing.
The working plane of the working surface centralized fixing platform is set to be a regular polygon structure, an equilateral triangle, a regular square and the like. The water wall tube fixedly welded by the water wall tube welding working platform comprises water wall tubes with three specifications of phi 60, phi 32 and phi 28, the welding platform of the working surface is designed according to the type of the water wall tubes to be actually subjected to simulated welding, the thickness of the working surface centralized fixing platform is determined according to the designed working surface centralized fixing platform, and the working surface centralized fixing platform is made of stainless steel, cast iron, cast aluminum and other materials.
Illustratively, the working surface centralized fixation platform 18 is configured as a regular triangle, comprising: a first tube group working surface 13, a second tube group working surface 14, and a third tube group working surface 15. The first tube bank working face fixes water wall tubes with the diameter of 28mm, the second tube bank working face fixes water wall tubes with the diameter of 32mm, and the third tube bank working face fixes water wall tubes with the diameter of 60 mm. The central point of first nest of tubes working face puts and sets up pipe fitting fixed angle 16 and pipe fitting fixing bolt 17 to regard pipe fitting fixed angle as the center, regard the pipe pitch to be 60mm, the interval that the pipe interval is 32mm, respectively distribute 3 water wall pipes that the diameter is 28mm about. Similarly, a pipe fixing angle iron 16 and a pipe fixing bolt 17 are arranged at the center of the working surface of the second pipe group, and 2 water wall pipes with the diameter of 32mm are distributed on the left and the right respectively by taking the pipe fixing angle iron as the center and the pipe pitch as 48mm and the pipe spacing as 16 mm; the central point of the working face of the third tube group is provided with a tube fixing angle iron 16 and a tube fixing bolt 17, and 2 water wall tubes with the diameter of 60mm are distributed left and right respectively by taking the tube fixing angle iron as the center and the tube pitch of 75mm and the tube interval of 15 mm. The angular spacing between the working faces of the three tube sets is 60 °. The three working surfaces are provided with the tube spacing and the tube pitch according to the proportion of 1:1 of an actual production device and a simulated welding platform, the working environment of the tube spacing and the tube pitch between actual welded pipe fittings is simulated, the familiarity of a welder to the actual welding operation environment is increased, the welding errors of the welder in the actual welding operation are reduced, the qualification rate of a welded junction of a water-cooled wall tube is effectively improved, and the repair rate and the risk of tube explosion of a boiler are reduced.
In the specific embodiment, the working surface centralized fixing platform consisting of the working surfaces of the first tube group, the second tube group and the third tube group is an equilateral triangle with the side length of 400mm formed by 10 channel steels, and the two sides of the platform are covered with steel plates with the thickness of 8 mm. The three working surfaces are that the actual production device and the simulated welding platform are provided with the pipe spacing and the pipe pitch according to the proportion of 1:1, so that the actual working environment can be simulated, the welding errors of welding workers in the actual welding operation are reduced, the qualification rate of the welded junction of the water wall pipe is effectively improved, and the repair rate and the risk of pipe explosion of the boiler are reduced.
The adjustment arm 12 includes: the height adjusting lock nut 3, the height adjusting sleeve 4, the horizontal clamping plate 5, 0-degree fixing holes 6, 45-degree fixing holes 7, 90-degree fixing holes 8, horizontal fixing bolts 9, a horizontal connecting sleeve 10 and a working face fixing adjusting lock nut 11.
It should be noted that the height adjusting locking nut 3, the height adjusting sleeve 4 and the upright post form 2 a height adjusting module simulating a welding frame, the height adjusting sleeve 4 is sleeved on the upright post, the height is adjusted by moving the height adjusting sleeve up and down, and the height position to be welded is pressed and fixed by the height adjusting locking nut; the adjusting arm 12 is connected with the upright post through the height adjusting sleeve 3; the working surface centralized fixing platform 18 is connected with the horizontal clamping plate 5 through the horizontal connecting sleeve 10 and is pressed by the horizontal adjusting bolt 9 and the working platform fixing bolt 11.
In the design, three spatial positions of pipe butt joint, height difference of different welding personnel and difference of actual welding height are considered, and a 0-degree fixing hole, a 45-degree fixing hole and a 90-degree fixing hole are arranged, and the three angle adjusting components are used for realizing multi-angle welding operation at horizontal, vertical and 45-degree oblique welding positions; the height adjusting assembly, the stand column, the height adjusting sleeve and the height adjusting locking nut realize the adjustment of the height of the simulation welding frame, solve the defects of single positions and angles of other welding frames and realize the training of welding workers with different skill levels. In addition, the height adjustment mode can also adopt a hydraulic rod and a telescopic spiral frame to carry out height adjustment.
The angle adjusting part of the simulated welding frame consists of a 0-degree fixing hole 6, a 45-degree fixing hole 7 and a 90-degree fixing hole 8, and is circumferentially and sequentially distributed at one end of a horizontal adjusting arm 12 in an arc shape. The 45-degree fixing hole 7 is used for welding the water wall tube at an angle interval of 45 degrees with the horizontal plane, the 0-degree fixing hole 6 is used for welding the vertical position of the water wall tube, the working face centralized fixing platform 18 is axially parallel to the upright column 2, and the 90-degree fixing hole 8 is used for welding the horizontal position of the water wall tube. Through the three angle adjusting components, the welding operation at multiple angles and positions of horizontal, vertical and 45-degree oblique welding positions can be performed, and different welding difficulty degrees can be realized at different welding positions. According to the arrangement, different welding positions can be selected by welding personnel according to different welding levels of the welding personnel and the height adjusting assembly, so that the welding skill of the welding personnel is pertinently improved.
It should be noted that the working surface centralized fixing platform also has an angle adjusting function. After the position of the working surface centralized fixing platform is determined by the height adjusting sleeve and the height adjusting bolt, and the angle fixing holes (0-degree fixing hole 6, 45-degree fixing hole 7 and 90-degree fixing hole 8) are determined, the shape of the working surface centralized fixing platform has an adjusting function. In one embodiment, the work surface centralized fixing platform is designed into an equilateral triangle with the side length of 400mm, the angle interval between the work surfaces of the three tube groups is 60 degrees, and the angles of the work surfaces of the other tube groups and the horizontal plane can be determined by taking the position of the first tube group and the horizontal plane as a reference standard. The shape of the working surface concentrated fixing platform can set the angle interval to various angle intervals, such as 30 degrees, 40 degrees, 45 degrees or 60 degrees, and the like. The angle interval is preferably 60 degrees in the utility model.
Example 1:
when the welding training is performed, a 45 ° tube butt-inclined welding position (6G welding position) is performed, taking the second tube group work surface as an example. As shown in fig. 2, in the first step, the height adjusting sleeve 4 of the full position adjusting arm 12 is set on the column 2, and the best welding position is determined by moving the height adjusting sleeve 4 up and down according to the height and welding angle of the welder, and is fixed by the height adjusting locking nut 3. The matching of the height adjusting sleeve 4 and the height adjusting locking nut 3 can ensure that welding technicians can carry out welding work at the optimal height position, and the problem of welding quality caused by vertical displacement of a welding frame in the welding process is avoided. And secondly, the working face centralized fixing platform 18 is connected with the all-position adjusting arm 12 through the horizontal connecting sleeve 10, the horizontal connecting sleeve 10 is connected with the 45-degree fixing hole 7, the all-position adjusting arm 12 and the working face centralized fixing platform 18 are fixed through the horizontal adjusting bolt 9, and the assembly of the all-position simulation welding frame is completed. Thirdly, one end of the welded test piece to be welded is placed on a pipe fitting fixing angle iron 16 in a working surface centralized fixing platform 18 and is fixed by a pipe fitting fixing bolt 17; as shown in fig. 3, the welding technician places one end of the to-be-welded test piece, which has been set, in the right-angle opening of the pipe fixing angle 16, and tightens the pipe fixing bolt 17. The pipe fitting fixing angle iron 16 and the pipe fitting fixing bolt are used as limiting devices for limiting the position of a pipe fitting to be welded, so that the pipe fitting to be welded is guaranteed not to displace, safety and stability in the welding process are guaranteed, and welding errors caused by welding technicians are avoided. And fourthly, performing simulated welding operation on the to-be-welded test piece which is well point-fixed by welding workers. When a welding technician performs welding, the distance between the nozzle and a weldment is kept between 3mm and 5mm, the extension length of the tungsten electrode is 3mm to 4mm, the distance does not influence the sight of a welding worker, and the occurrence rate of air holes can be reduced by more than 96 percent; the nozzle back-tilting angle is 70-80 degrees, the gas flow is 8-10L/min, the welding speed is 40-60 mm/min, the welding current is 100A-110A, the parameter setting reduces the welding piece slag inclusion rate by more than 90%, reduces the welding crack defect rate by more than 90%, and obviously improves the welding quality.
Example 2:
when the pipe to be welded is welded at the horizontal plane vertical position (2G), in the first step, the height adjusting sleeve 4 in the full-position adjusting arm 12 is sleeved on the upright post 2, and the height of the full-position adjusting arm 12 on the upright post 2 is adjusted according to the height of a welder and the welding angle. After the proper height of the full position adjusting arm 12 is determined, the full position adjusting arm is fixed by the height adjusting lock nut 3. And secondly, the working surface centralized fixing platform 18 is connected with the full-position adjusting arm 12 through the horizontal connecting sleeve 10, the horizontal connecting sleeve 10 is connected with the 0-degree fixing hole 6, and the full-position adjusting arm 12 and the working surface centralized fixing platform 18 are fixed through the horizontal adjusting bolt 9. Thirdly, one end of the welded test piece to be welded is placed on a pipe fitting fixing angle iron 16 in a working face centralized fixing platform 18 and is fixed by a pipe fitting fixing bolt 17. And fourthly, performing simulated welding operation on the to-be-welded test piece which is well point-fixed by welding workers.
Example 3:
when the pipe to be welded is welded in a pipe butt joint horizontal position (5G), in the first step, the height adjusting sleeve 4 in the full-position adjusting arm 12 is sleeved on the stand column 2, and the height of the full-position adjusting arm 12 and the height of the stand column 2 are adjusted according to the height of a welder and the actual welding position. After the proper height of the full position adjusting arm 12 is determined, the full position adjusting arm is fixed by the height adjusting lock nut 3. And secondly, connecting the working surface centralized fixing platform 18 with the full-position adjusting arm 12 through a horizontal connecting sleeve 10, connecting the horizontal connecting sleeve 10 with the 90-degree fixing hole 8, and fixing the full-position adjusting arm 12 and the working surface centralized fixing platform 18 by a horizontal adjusting bolt 9. Thirdly, one end of the welded test piece to be welded is placed on a pipe fitting fixing angle iron 16 in a working face centralized fixing platform 18 and is fixed by a pipe fitting fixing bolt 17. And fourthly, performing simulated welding operation on the to-be-welded test piece which is well point-fixed by welding workers. And taking off the welded pipe after completing the welding training of one position. If welding training at other positions is needed, a new welding part can be used at the position and fixed at the corresponding disconnected end for welding training. By means of the welding frame, the welding skill of a welder can be improved, and errors and welding defects which may occur when the welder welds on related equipment are reduced.
And taking off the welded pipe after completing the welding training of one position. If welding training at other positions is needed, a new welding part can be used at the position and fixed at the corresponding disconnected end for welding training. By means of the welding frame, the welding skill of a welder can be improved, and errors and welding defects which may occur when the welder welds on related equipment are reduced.
The utility model provides a simulation welding frame and current simulation welding frame technical effect contrast as shown in the following table:
table 1: the utility model discloses the comparison of welding simulation frame and current welding simulation frame technical effect
Figure DEST_PATH_GDA0002575122730000101
In addition, compare with current welding jig, the utility model discloses in the analog welding jig that provides, welding workman welding efficiency promotes more than 60%.
The utility model provides a simulation welding frame, which comprises a simulation welding working platform, an adjusting arm and a stand column base, wherein the simulation welding working platform is connected with the adjusting arm by a horizontal connecting sleeve and is fixed by a horizontal fixing bolt; the adjusting arm is connected with the upright post by a high-low connecting sleeve and is fixed by a high-low adjusting sleeve. The utility model discloses a simulation welding frame simple structure, the realization simulation welding operation that the welding workman can be convenient is convenient for process, installation and dismantlement.

Claims (10)

1. The utility model provides a water wall pipe simulating welding frame which characterized in that includes: the device comprises a base (1), a height adjusting assembly, an angle assembly, a connecting assembly and a fixing assembly;
the height adjustment assembly includes: the device comprises a vertical column (2), a height adjusting lock nut (3) and a height adjusting sleeve (4); the angle assembly includes: a 0-degree fixing hole (6), a 45-degree fixing hole (7) and a 90-degree fixing hole (8); the connecting assembly includes: a horizontal clamping plate (5) and a horizontal sleeve (10); the fixing assembly includes: the device comprises a horizontal fixing bolt (9), a workbench fixing bolt (11), pipe fitting fixing angle irons (16), pipe fitting fixing bolts (17) and a working surface centralized fixing platform (18); the pipe fitting fixing angle iron (16) is formed by welding two steel plates, the angle between the two steel plates is alpha, and the alpha is more than or equal to 45 degrees and less than or equal to 135 degrees.
2. A waterwall tube mock welding stand, according to claim 1, characterized by a face centralized fixation platform (18) comprising: a first tube group working surface (13), a second tube group working surface (14), and a third tube group working surface (15); the working surfaces (13, 14 and 15) of the first pipe group, the second pipe group and the third pipe group are circumferentially distributed along the working surface centralized fixing platform (18); the working surface centralized fixing platform (18) is of a regular polygon structure.
3. A simulated weld holder for water wall tubes according to claim 2, wherein the first tube bank face (13) is provided with 6 barrier tubes; 4 barrier pipes are arranged on the working surface (14) of the second pipe group; the working surface (15) of the third pipe group is provided with 4 barrier pipes.
4. The simulated welding frame for the water wall tubes according to claim 3, wherein the working surface centralized fixing platform (18) is an equilateral triangle with the side length of 400mm formed by 10U-steel channels, the two sides of the platform are covered with steel plates with the thickness of 8mm, the tube pitch of the working surface (13) of the first tube group is 60mm, and the tube spacing is 32 mm; the tube pitch of the working surface (14) of the second tube group is 48mm, the tube pitch is 16mm, the tube pitch of the working surface (15) of the third tube group is 75mm, and the tube pitch is 15 mm.
5. A simulated welding carriage for water wall tubes according to claim 4, characterized in that said face centralized fixing platform (18) is connected to the horizontal clamping plate (5) by means of horizontal sleeves (10) and fixed by means of horizontal fixing bolts (9).
6. The simulated welding frame for the water wall tubes according to claim 5, wherein the 0-degree fixing holes (6), the 45-degree fixing holes (7) and the 90-degree fixing holes (8) are circumferentially distributed at one end of the horizontal adjusting arm (12).
7. The simulated welding frame for the water wall tubes according to claim 6, wherein the horizontal adjusting arm (12) is connected with the upright column (2) through a height adjusting sleeve (4) and is pressed and fixed by a height adjusting locking nut (3); the height adjusting sleeve (4) is sleeved on the upright post (2).
8. A waterwall tube mock welding stand according to claim 7, wherein said 45 ° fixation holes (7) are used for welding waterwall tubes at 45 ° angular separation from horizontal.
9. The simulated welding frame for the water wall tubes as recited in claim 8, wherein the 0-degree fixing holes (6) are used for welding the water wall tubes at the vertical position, and the working face concentrated fixing platform (18) is axially parallel to the upright column (2).
10. A simulated welding carriage for water wall tubes according to claim 9, characterised in that the 90 ° fixing holes (8) are used for horizontal welding of water wall tubes, and the working face concentrated fixing platform (18) is angularly spaced from the column (2) by 90 °.
CN201921846344.9U 2019-10-30 2019-10-30 Water wall pipe simulation welding frame Active CN211465328U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115311921A (en) * 2022-09-05 2022-11-08 中国电建集团核电工程有限公司 Simulation training device for pipeline welding training

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115311921A (en) * 2022-09-05 2022-11-08 中国电建集团核电工程有限公司 Simulation training device for pipeline welding training
CN115311921B (en) * 2022-09-05 2024-04-02 中国电建集团核电工程有限公司 Simulation training device for pipeline welding training

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