CN116408581A - Automatic welding flexible track device in pipeline - Google Patents
Automatic welding flexible track device in pipeline Download PDFInfo
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- CN116408581A CN116408581A CN202111677211.5A CN202111677211A CN116408581A CN 116408581 A CN116408581 A CN 116408581A CN 202111677211 A CN202111677211 A CN 202111677211A CN 116408581 A CN116408581 A CN 116408581A
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- 238000003466 welding Methods 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 105
- 239000010959 steel Substances 0.000 claims abstract description 105
- 230000007704 transition Effects 0.000 claims description 27
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009193 crawling Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an automatic welding flexible track device in a pipeline, which comprises a steel belt body, a first connecting piece, a second connecting piece and a stretching assembly, wherein the first connecting piece is fixed at a first end of the steel belt body, the second connecting piece is fixed at a second end of the steel belt body, and the first connecting piece and the second connecting piece are connected through the stretching assembly; and the expanding assembly expands the first connecting piece and the second connecting piece, so that the steel belt body is attached to the inner wall of the steel pipe. The automatic welding flexible track device in the pipeline can provide guiding and fixing functions for the automatic welding trolley in the pipeline such as the steel pipe and the like, effectively improve the adaptability of the automatic welding track in the steel pipe to the steel pipes with different wall thicknesses, reduce the installation and carrying difficulties of the track in the steel pipe and prolong the service life of the track in the steel pipe; thereby reducing the construction cost and improving the working efficiency.
Description
Technical Field
The invention relates to the technical field of pipeline welding, in particular to an automatic welding flexible track device in a pipeline.
Background
In the construction process of long-distance pipeline, along with the continuous increase of the diameter and the wall thickness of the steel pipe, the width of the upper opening of the single-sided V-shaped welding groove or the composite welding groove is gradually increased, so that the welding difficulty is high, the number of welding layers is large, the welding filling quantity is large, and the welding construction work efficiency is low. In order to solve the problems, an X-shaped welding groove is generally adopted, and full-automatic welding is carried out inside and outside the steel pipe at the same time. When full-automatic welding is carried out in the steel pipe, a rigid rail is generally adopted for guiding and fixing the welding trolley, but the inner diameter of the steel pipe is often changed due to the change of the wall thickness of the steel pipe, and rigid rails with different diameters are selected according to different wall thicknesses, so that the rigid rail has poor specification and multiple universality. Rigid rails often expand due to the heating of the steel tube, and the rails are loosened to cause displacement of the rails during use. Because the rigid rail is not folded in the steel pipe, the transportation and the installation are long, the process is complex, and once the rail is deformed, the rail cannot be repaired, and the use cost is high.
Based on this, the prior art still remains to be improved.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the invention provides an automatic welding flexible track device in a pipeline, which aims to solve the defects of a rigid track in the prior art when the rigid track is used for pipeline welding.
The embodiment of the invention discloses an automatic welding flexible track device in a pipeline, which comprises a steel belt body, a first connecting piece, a second connecting piece and a stretching assembly, wherein,
the first connecting piece is fixed at the first end of the steel belt body, the second connecting piece is fixed at the second end of the steel belt body, and the first connecting piece and the second connecting piece are connected through the expanding component;
and the expanding assembly expands the first connecting piece and the second connecting piece, so that the steel belt body is attached to the inner wall of the pipeline.
Further, the expanding component comprises two wedge-shaped clamping blocks and a connecting bolt for connecting the two wedge-shaped clamping blocks together,
the two wedge-shaped clamping blocks are oppositely arranged, and the distance between the first connecting piece and the second connecting piece is adjusted by adjusting the distance between the two wedge-shaped clamping blocks.
Further, a spring is sleeved on the connecting bolt, and the spring is in a contracted or stretched state and provides acting force for generating relative motion or relative motion trend for the two wedge-shaped clamping blocks.
Further, when the small ends of the two wedge-shaped clamping blocks are opposite, the springs are in a stretched state; when the large ends of the two wedge-shaped clamping blocks are opposite, the springs are in a contracted state.
Further, at least one wedge-shaped clamping block is provided with a through hole, the aperture of one end, far away from the other wedge-shaped clamping block, of the through hole is enlarged to form a spring accommodating cavity, and the spring is located in the spring accommodating cavity.
Further, the cross section of the wedge-shaped clamping block is isosceles trapezoid, and two inclined planes of the wedge-shaped clamping block are respectively abutted against the first connecting piece and the second connecting piece.
Further, along the length direction of the steel belt body, a guide groove is formed in the first connecting piece, a guide column is arranged on the second connecting piece, and the front end of the guide column can be inserted into the guide groove;
and a long hole for the connecting bolt to pass through is formed in the guide post.
Further, one end of the first connecting piece, which is connected with the wedge-shaped clamping block, is a first inclined surface inclined from the middle part to two sides, and one side, far away from the steel strip body, of the first inclined surface extends to the length direction of the steel strip body to form a first boss;
one end of the second connecting piece, which is connected with the wedge-shaped clamping block, is a second inclined surface inclined from the middle part to two sides, one side of the second inclined surface, which is far away from the steel belt body, extends to the length direction of the steel belt body to form a second boss, and one side of the second inclined surface, which is near to the steel belt body, extends to the length direction of the steel belt body to form a third boss;
one side of the wedge-shaped clamping block is limited in the first boss, and the other side of the wedge-shaped clamping block is limited between the second boss and the third boss.
Further, the steel strip connecting device further comprises a track lap joint transition piece, one end of the track lap joint transition piece is fixed on the back face of the first end of the steel strip body, the first connecting piece is installed on the track lap joint transition piece, and after the first connecting piece is connected with the second connecting piece, the back face of the second end of the steel strip body is attached to the track lap joint transition piece.
Further, along the length direction of the steel belt body, a plurality of rows of oblong holes are formed in the track lap joint transition piece, and the track lap joint transition piece is fixed on the steel belt body through bolts penetrating through the oblong holes.
Further, a plurality of supporting tables are further arranged on the back of the steel belt body, and the heights of the supporting tables are matched with the heights of the first connecting piece and the second connecting piece.
By adopting the technical scheme, the invention has at least the following beneficial effects:
the automatic welding flexible track device in the pipeline can provide guiding and fixing functions for the automatic welding trolley in the pipeline such as the steel pipe and the like, effectively improve the adaptability of the automatic welding track in the steel pipe to the steel pipes with different wall thicknesses, reduce the installation and carrying difficulties of the track in the steel pipe and prolong the service life of the track in the steel pipe; thereby reducing the construction cost and improving the working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an installation of an automatic welding flexible rail device in a pipeline according to an embodiment of the present invention;
FIG. 2 is a schematic view of a flexible track device for automatic welding inside a pipeline according to an embodiment of the present invention;
fig. 3 and fig. 4 are schematic views illustrating a connection structure of a first end of a steel strip body of an automatic welding flexible rail device in a pipeline according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a connection structure of a second end of a steel strip body of an automatic welding flexible rail device in a pipeline according to an embodiment of the invention.
FIG. 6 is a schematic view of a flexible track device for automatic welding inside a pipeline according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a tensioning assembly for automatically welding flexible rail devices inside a pipeline according to an embodiment of the present invention;
FIG. 9 is a schematic view of a flexible track device for automatic welding inside a pipeline according to an embodiment of the present invention;
FIG. 10 is a schematic view of a flexible track device for automatic welding inside a pipeline according to an embodiment of the present invention;
fig. 11 and fig. 12 are schematic views illustrating a disassembly structure of an automatic welding flexible rail device in a pipeline according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that, in the embodiments of the present invention, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present invention, and the following embodiments are not described one by one.
As shown in fig. 1 to 12, some embodiments of the present invention disclose an automatic welding flexible rail device for a pipe interior, comprising a steel strip body 2, a first connecting member 4, a second connecting member 6 and a stretching assembly 5, wherein,
the first connecting piece 4 is fixed at a first end 21 of the steel belt body 2, the second connecting piece 6 is fixed at a second end 22 of the steel belt body 2, and the first connecting piece 4 and the second connecting piece 6 are connected through the expanding component 5;
and, the expansion assembly 5 expands the first connecting piece 4 and the second connecting piece 6, so that the steel belt body 2 is attached to the inner wall of the pipeline 1.
In this embodiment, the expanding component 5 generates a force to the first connecting piece 4 and the second connecting piece 6 away from each other, so that the position between the first end 21 and the second end 22 of the steel strip body 2 becomes adjustable, and the expanding capability of the expanding component 5 enables the device to be suitable for pipelines with different inner diameters.
As shown in fig. 7 to 10, the automatic welding flexible rail apparatus according to some embodiments of the present invention includes two wedge-shaped blocks 51 and a connection bolt 52 connecting the two wedge-shaped blocks 51 together, wherein the two wedge-shaped blocks 51 are disposed opposite to each other, and the distance between the first connection member 4 and the second connection member 6 is adjusted by adjusting the distance between the two wedge-shaped blocks 51. The connecting bolt 52 is sleeved with a spring 53, and the spring 53 is in a contracted or stretched state and provides a force for generating relative motion or relative motion trend for the two wedge-shaped clamping blocks 51. When the small ends of the two wedge-shaped clamping blocks 51 are opposite, the springs 53 are in a stretched state; when the large ends of the two wedge-shaped clamping blocks 51 are opposite, the springs 53 are in a contracted state.
In the automatic welding flexible rail device disclosed in some embodiments of the present invention, on the basis of the above embodiments, at least one wedge-shaped clamping block 51 is provided with a through hole 54, the hole diameter of one end of the through hole 54 away from the other wedge-shaped clamping block 51 is enlarged to form a spring accommodating cavity 55, and the spring 53 is located in the spring accommodating cavity 55. In a preferred embodiment, the two wedge-shaped clamping blocks 51 are provided with through holes 54 and corresponding spring accommodating cavities 55. So that the force is better, more uniform and stable.
In some embodiments, the cross section of the wedge-shaped clamping block 51 is isosceles trapezoid, and two inclined surfaces of the wedge-shaped clamping block 51 respectively abut against the first connecting piece 4 and the second connecting piece 6. Along the length direction of the steel strip body 2, a guide groove 41 is formed in the first connecting piece 4, a guide column 61 is formed in the second connecting piece 6, and the front end of the guide column 61 can be inserted into the guide groove 41; the guide post 61 is provided with a long hole 65 through which the connecting bolt 52 passes.
One end of the first connecting piece 4 connected with the wedge-shaped clamping block 51 is a first inclined surface 42 inclined from the middle to two sides, and one side of the first inclined surface 42 away from the steel strip body 2 extends to the length direction of the steel strip body 2 to form a first boss 43;
the end of the second connecting piece 6 connected with the wedge-shaped clamping block 51 is a second inclined surface 62 inclined from the middle to two sides, one side of the second inclined surface 62 away from the steel strip body 2 extends towards the length direction of the steel strip body 2 to form a second boss 63, and one side of the second inclined surface 62 close to the steel strip body 2 extends towards the length direction of the steel strip body 2 to form a third boss 64;
one side of the wedge-shaped clamping block 51 is limited in the first boss 43, and the other side of the wedge-shaped clamping block 51 is limited between the second boss 63 and the third boss 64.
The automatic welding flexible rail device disclosed in some embodiments of the present invention further comprises a rail overlap transition piece 7 to ensure the overall stability of the rail, wherein one end of the rail overlap transition piece 7 is fixed on the back of the first end 21 of the steel strip body 2, the first connecting piece 4 is installed on the rail overlap transition piece 7, and after the first connecting piece 4 and the second connecting piece 6 are connected, the back of the second end 22 of the steel strip body 2 is attached to the rail overlap transition piece 7. Along the length direction of the steel belt body 2, a plurality of rows of oblong holes 71 are formed in the track lap transition piece 7, and the track lap transition piece 7 is fixed on the steel belt body 2 by penetrating through the oblong holes 71 through bolts. Through the setting of slotted hole 71 for track overlap joint transition piece 7 can be installed through different slotted holes 71, thereby further realize the adjustability of track length.
Correspondingly, a transition groove overlapped with the guide groove is further formed in the track lap joint transition piece 7, the front end of the transition groove is longer than the guide groove, and the guide post enters the transition groove and then enters an overlapped area of the guide groove and the transition groove.
In order to stably connect the steel strip with the inner wall of the pipeline, the automatic welding flexible track device disclosed in some embodiments of the present invention is further provided with a plurality of support tables 3 on the back surface of the steel strip body 2, and the heights of the support tables 3 are adapted to the heights of the first connecting piece 4 and the second connecting piece 6.
The automatic welding flexible track device disclosed by some embodiments of the invention is shown in fig. 3 to 10, the steel belt body 2 is a flexible steel belt, and can be annular after two ends are connected. The expansion assembly 5 such as the wedge-shaped clamping block 51 is arranged at the joint part of the annular steel belt, so that the perimeter of the annular steel belt is increased, the diameter of the annular steel belt is further increased, the supporting columns on the outer surface of the annular steel belt clamp the inner wall of the steel pipe, and the positions of the annular steel belt and the steel pipe are relatively fixed. The climbing trolley is clamped on the track through the wheel train assembly, and the guiding and fixing of the trolley can be realized by utilizing the annular steel belt.
The track main body is an annular band-shaped high-elasticity and high-hardness steel plate serving as a steel belt main body. The track is installed in the steel pipe to work, and the total length of the track is adjustable through the ingenious design of the track joint part.
The track joint part is divided into an end joint A, an end joint B and a wedge-shaped expanding clamping block (expanding component 5).
The joint at the end A (the first end 21) mainly comprises a track annular steel belt body 2, a track lap joint transition piece 7 and a first connecting piece 4, which are connected through bolts. The track overlap joint transition piece 7 is provided with dense strip holes for being connected with the track annular steel belt body 2 at different positions through bolts, so that the purpose of changing the overall length of the track is achieved, and the effect that the same track adapts to steel pipes with different wall thicknesses is achieved.
The joint at the end B (the second end 22) mainly comprises a track annular steel belt body 2 and a second connecting piece 6, and the track annular steel belt body and the second connecting piece are connected through bolts. The protruding part (guide post 61) at the front end of the second connecting piece 6 is matched with the concave notch (guide groove 41) at the front end of the first connecting piece 4 after being installed, so that the axial limit of the rail joint part is formed, and the effect that the end faces of the rail end joint A, the end joint B and the rail annular steel belt body 2 are on the same plane is achieved.
The wedge-shaped expanding fixture block (expanding component 5) mainly comprises two wedge-shaped fixture blocks 51, a compensation spring 53 and a middle fixing screw (connecting bolt 52), the two wedge-shaped fixture blocks 51 are pulled close by tightening the screw, the inclined planes of the two wedge-shaped fixture blocks 51 interact with the inclined planes of the A-end clamping block (first connecting piece 4) and the B-end clamping block (second connecting piece 6), and the A-end connector and the B-end connector are pushed to be separated from each other, so that the effect of expanding the annular steel belt body 2 of the track is achieved, the support column on the outer side of the track clings to the inner wall of the steel pipe, and the relative fixation of the track and the steel pipe is realized. When the diameter expansion of the steel pipe occurs in the welding heating process, the compensation spring 53 at the lower end of the middle fixing screw provides compensation force to automatically push the two wedge-shaped clamping blocks 51, so that the effect of constant tension between the rail and the steel pipe is realized, and the phenomenon that the rail is not loosened due to the heating expansion of the steel pipe is prevented.
The clamping block at the end A of the track, the clamping block at the end B of the track and the wedge-shaped expanding clamping block are matched to form radial limit of the three on the annular surface of the track, so that the tight fitting effect of the track lap joint transition piece 7 at the end A of the track and the annular steel belt body 2 at the end B of the track is achieved, and the smooth passing of the wheel train of the crawling trolley is facilitated.
As shown in fig. 11 and 12, when the wedge-shaped expanding fixture block is completely disassembled, after the wedge-shaped expanding fixture block is separated from the joints from two sides of the track, the radial limit of the track A end clamping block, the track B end clamping block and the wedge-shaped expanding fixture block on the track ring surface disappears, the track B end can be pulled out along the radial direction of the track ring surface, the annular band-shaped track main body with high elasticity is bent, the whole diameter of the track is reduced to the greatest extent, and the track is convenient to carry and install in the steel pipe.
In summary, in the operation process of automatic welding of the inner circumferential weld of the pipeline, the automatic welding flexible track device in the steel pipe is used as the track of the crawling trolley of the welding equipment, and the automatic submerged arc welding operation of the inner circumferential weld of the track and the full-position automatic welding operation of the inner circumferential weld of the pipeline are successfully applied, so that the guiding and positioning effects of the track on the welding trolley are good, and the welding quality is improved; the same track can adapt to steel pipes with the same pipe diameter and different wall thicknesses by adjusting different positioning holes, so that the number of the tracks is greatly reduced; the phenomenon that the rail loosens due to the fact that the steel pipe of the traditional rigid rail is expanded by heating is thoroughly avoided; the track is light in weight and convenient to install and carry, so that the working efficiency of the process is improved by 20%.
It should be noted that, each component or step in each embodiment may be intersected, replaced, added, and deleted, and therefore, the combination formed by these reasonable permutation and combination transformations shall also belong to the protection scope of the present invention, and shall not limit the protection scope of the present invention to the embodiments.
The foregoing is an exemplary embodiment of the present disclosure, and the order in which the embodiments of the present disclosure are disclosed is merely for the purpose of description and does not represent the advantages or disadvantages of the embodiments. It should be noted that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest that the scope of the disclosure of embodiments of the invention (including the claims) is limited to these examples and that various changes and modifications may be made without departing from the scope of the invention as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the invention, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the invention, and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are made within the spirit and principles of the embodiments of the invention, are included within the scope of the embodiments of the invention.
Claims (11)
1. An automatic welding flexible track device in a pipeline is characterized by comprising a steel belt body, a first connecting piece, a second connecting piece and a stretching assembly, wherein,
the first connecting piece is fixed at the first end of the steel belt body, the second connecting piece is fixed at the second end of the steel belt body, and the first connecting piece and the second connecting piece are connected through the expanding component;
and the expanding assembly expands the first connecting piece and the second connecting piece, so that the steel belt body is attached to the inner wall of the pipeline.
2. The automated welding flexible track device of claim 1, wherein the tensioning assembly comprises two wedge-shaped blocks and a connecting bolt connecting the two wedge-shaped blocks together,
the two wedge-shaped clamping blocks are oppositely arranged, and the distance between the first connecting piece and the second connecting piece is adjusted by adjusting the distance between the two wedge-shaped clamping blocks.
3. The automatic welding flexible rail apparatus of claim 2, wherein the connecting bolt is sleeved with a spring, the spring is in a contracted or stretched state, and a force for generating relative movement or relative movement trend is provided for the two wedge-shaped clamping blocks.
4. The automated welding flexible rail apparatus of claim 3, wherein the spring is in a stretched state when the small ends of the two wedge-shaped clips are opposite; when the large ends of the two wedge-shaped clamping blocks are opposite, the springs are in a contracted state.
5. The automated welding flexible track device of claim 3 or 4, wherein at least one of the wedge-shaped blocks is provided with a through hole, the through hole having an increased aperture at an end remote from the other wedge-shaped block to form a spring receiving cavity, the spring being located within the spring receiving cavity.
6. The automatic welding flexible rail device according to claim 2, wherein the cross section of the wedge-shaped clamping block is isosceles trapezoid, and two inclined planes of the wedge-shaped clamping block respectively abut against the first connecting piece and the second connecting piece.
7. The automatic welding flexible rail device according to claim 6, wherein a guide groove is provided on the first connecting member and a guide post is provided on the second connecting member along the length direction of the steel strip body, and the front end of the guide post is insertable into the guide groove;
and a long hole for the connecting bolt to pass through is formed in the guide post.
8. The automatic welding flexible rail device according to claim 6, wherein one end of the first connecting piece connected with the wedge-shaped clamping block is a first inclined surface inclined from the middle to two sides, and one side of the first inclined surface away from the steel strip body extends to the length direction of the steel strip body to form a first boss;
one end of the second connecting piece, which is connected with the wedge-shaped clamping block, is a second inclined surface inclined from the middle part to two sides, one side of the second inclined surface, which is far away from the steel belt body, extends to the length direction of the steel belt body to form a second boss, and one side of the second inclined surface, which is near to the steel belt body, extends to the length direction of the steel belt body to form a third boss;
one side of the wedge-shaped clamping block is limited in the first boss, and the other side of the wedge-shaped clamping block is limited between the second boss and the third boss.
9. The automated welding flexible rail device of claim 1, further comprising a rail overlap transition piece, wherein one end of the rail overlap transition piece is secured to a back surface of the first end of the steel strip body, wherein the first connector is mounted to the rail overlap transition piece, and wherein the back surface of the second end of the steel strip body is attached to the rail overlap transition piece after the first connector and the second connector are connected.
10. The automated welding flexible rail device of claim 8, wherein a plurality of rows of oblong holes are provided in the rail overlap transition piece along the length of the steel strip body, the rail overlap transition piece being secured to the steel strip body by bolts passing through the oblong holes.
11. The automated welding flexible rail set of claim 1, wherein the back of the steel strip body is further provided with a plurality of support stands, the height of the support stands being compatible with the heights of the first and second connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677211.5A CN116408581A (en) | 2021-12-31 | 2021-12-31 | Automatic welding flexible track device in pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677211.5A CN116408581A (en) | 2021-12-31 | 2021-12-31 | Automatic welding flexible track device in pipeline |
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| CN116408581A true CN116408581A (en) | 2023-07-11 |
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| CN202111677211.5A Pending CN116408581A (en) | 2021-12-31 | 2021-12-31 | Automatic welding flexible track device in pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118237793A (en) * | 2024-05-30 | 2024-06-25 | 中铁建工集团第四建设有限公司 | Automatic annular welding device and annular welding method for pipeline |
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- 2021-12-31 CN CN202111677211.5A patent/CN116408581A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118237793A (en) * | 2024-05-30 | 2024-06-25 | 中铁建工集团第四建设有限公司 | Automatic annular welding device and annular welding method for pipeline |
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