CN-121315455-B - Automatic welding equipment for inner wall of pipeline and working method thereof

CN121315455BCN 121315455 BCN121315455 BCN 121315455BCN-121315455-B

Abstract

The invention discloses automatic welding equipment for inner walls of pipelines and a working method thereof, which comprises a base and a supporting mechanism, wherein the supporting mechanism comprises a bracket, a body of the bracket is connected with two rotating rods in a penetrating and rotating manner, the outer parts of the two rotating rods are fixedly connected with gears in a penetrating manner, the outer surfaces of the two gears are meshed with each other, rotating strips are fixedly connected with the outer surfaces of the two gears, the two rotating strips are splayed and split through the meshing of the two gears so as to adapt to pipelines with different inner diameters, one ends of the two rotating strips are fixedly connected with clamping frames, and the outer surfaces of the two clamping frames are respectively and rotatably connected with clamping wheels, so that the technical field of welding equipment is solved, and the problems that when the existing automatic welding equipment for steel pipes is used, the device is insufficient in stability, easy to topple and dislocate to affect welding work, and meanwhile, the supporting direction is fixed, and the application range is limited.

Inventors

LIU JISHEN
JIA SHUYU
LI YUSHUAI
XU YONGKANG
QIN YA
LIU CONG
ZHONG JIAJUN
ZHAO YANWU

Assignees

湖南中建奇配科技有限公司

Dates

Publication Date: 20260508
Application Date: 20251211

Claims (7)

1. The utility model provides a pipeline inner wall automatic weld equipment, includes base (1), its characterized in that: The support mechanism comprises a support (2), wherein the body of the support (2) is connected with two rotating rods (5) in a penetrating and rotating mode, the outer parts of the two rotating rods (5) are fixedly connected with gears (6) in a penetrating and rotating mode, the outer surfaces of the two gears (6) are meshed with each other, rotating strips (7) are fixedly connected with the outer surfaces of the two gears (6), the two rotating strips (7) are splayed and split through meshing of the two gears (6) so as to adapt to pipelines with different inner diameters, one ends of the two rotating strips (7) are fixedly connected with clamping frames (8), the outer surfaces of the two clamping frames (8) are respectively connected with clamping wheels (9) in a rotating mode, and the clamping wheels (9) interact with steel bars inside the pipelines; The adjusting component (3), adjusting component (3) is arranged on the cambered surface of base (1) for adjusting the orientation of clamp wheel (9) to adapt to different numbers of reinforcing bars, adjusting component (3) includes arc groove (31), arc groove (31) are seted up on the outer cambered surface of base (1), the inside sliding connection of arc groove (31) has arc piece (32), the surface fixedly connected with arc plate (33) of arc piece (32), one side of arc plate (33) surface and the outer cambered surface swing joint of base (1), the opposite side of arc plate (33) surface and the outer surface fixed connection of support (2), the body of arc plate (33) runs through sliding connection and has loop bar (34), the surface of loop bar (34) runs through fixedly connected with fixed plate (35), the surface of fixed plate (35) and the outer cambered surface fixed connection of base (1), the outside cover of loop bar (34) is equipped with pressure spring (36), the both ends of pressure spring (36) respectively with the outer surface of loop bar (33) and the outer surface of loop bar (37) of fixed connection of loop bar (33); And the welding component (4) is arranged outside one side of the surface of the base (1), and is used for welding the inside of the pipeline by following the synchronous motion of the base (1).
2. The automatic welding equipment for the inner wall of the pipeline according to claim 1 is characterized in that the outer surface of one rotating rod (5) is fixedly connected with a worm wheel (10) in a penetrating mode, a worm (11) is meshed with the outer surface of the worm wheel (10), one end of the worm (11) is connected with the outer surface of the bracket (2) in an embedded and rotating mode, and the other end of the worm (11) is fixedly connected with a rib (12) in a penetrating mode.
3. The automatic welding equipment for the inner wall of a pipeline according to claim 1, wherein the welding assembly (4) comprises a sliding rail (41), the sliding rail (41) is arranged outside one side of the outer surface of the base (1), a linear motor (42) is slidably connected to the outer surface of the sliding rail (41), and a laser welder (43) is fixedly connected to the outer surface of the linear motor (42).
4. The automatic welding equipment for the inner wall of a pipeline according to claim 3, wherein a support plate (44) is fixedly connected to the outer surface of the sliding rail (41), a rotating motor (45) is fixedly connected to the outer surface of the support plate (44), the outer surface of the rotating motor (45) is fixedly connected with one side of the outer surface of the base (1) in an embedded mode, a storage battery (47) is fixedly connected to the outer surface of the support plate (44), and the output end of the storage battery (47) is electrically connected with the rotating motor (45) and the input end of the laser welder (43) respectively.
5. The automatic welding equipment for the inner wall of a pipeline according to claim 4, wherein a driving unit (46) is arranged outside the support plate (44), the driving unit (46) comprises a telescopic rod (461), one end of the telescopic rod (461) is fixedly connected with the outer surface of the support plate (44), the output end of the telescopic rod (461) is fixedly connected with a connecting frame (462), the outer surface of the connecting frame (462) is fixedly connected with a driving motor (463), the output end of the driving motor (463) is in penetrating and rotating connection with the body of the connecting frame (462), and the output end of the driving motor (463) is fixedly connected with a roller (464).
6. The automatic welding equipment for the inner wall of a pipeline according to claim 5, wherein the outer surface of the roller (464) is provided with a ring groove (465), the inside of the ring groove (465) is communicated with a suction hole (466), the suction hole (466) is formed in the body of the roller (464) and is communicated with the inside of the roller (464), a filter screen (467) is fixedly connected in the inside of the roller (464), a fixed pipe (468) is communicated in the inside of the roller (464) in a penetrating manner, one end of the fixed pipe (468) is connected with the body of the bracket (2) in a penetrating and rotating manner and extends to the outside of the bracket (2), one end of the fixed pipe (468) is sleeved with a suction pipe (469), and one end of the suction pipe (469) is fixedly connected with the outer surface of the bracket (2) in an embedding manner.
7. An operating method of an automatic welding device for inner walls of pipelines, which adopts the automatic welding device for inner walls of pipelines according to any one of claims 1 to 6, is characterized by comprising the following steps: Firstly, at the outside of one end of a pipeline, according to the number and the position of reinforcing steel bars of a reinforcement cage, screwing a spiral ring (37) to change the position of the spiral ring on a ring rod (34), and enabling an arc plate (33) to slide along the cambered surface of a base (1) through the elastic expansion action of a pressure spring (36) so as to change the orientation of a clamping wheel (9) and enable the clamping wheel (9) to be aligned with the reinforcing steel bars in the radial direction; Step two, screwing the worm (11) through the rib (12), meshing the worm (11) with the worm wheel (10), enabling the worm wheel (10) to drive the corresponding gear (6) to rotate through the rotating rod (5) on one side, enabling the two corresponding rotating strips (7) to drive the clamping wheel (9) to spread in a splayed manner through the clamping frame (8), adjusting the distance between the clamping wheel (9) and the base (1), and then placing the base (1) in the pipeline through the cooperation of the clamping wheel (9) and the reinforcing steel bars; Step three, after the base (1) enters the pipeline, the output end of the rotating motor (45) drives the support plate (44) to rotate, so that the laser welder (43) and the roller (464) face the to-be-welded part, the roller (464) is attached to the outside of the to-be-welded part through the extension of the output end of the extension rod (461), the driving motor (463) drives the roller (464) to rotate so as to push the base (1) to move in the pipeline, and meanwhile, the linear motor (42) slides along the sliding rail (41) so as to drive the laser welder (43) to be close to the to-be-welded part, and continuous welding is carried out by following the movement of the base (1).

Description

Automatic welding equipment for inner wall of pipeline and working method thereof Technical Field The invention relates to the technical field of welding equipment, in particular to automatic welding equipment for inner walls of pipelines and a working method thereof. Background The prior art generally hoists the steel pipe to the welding bench through lifting device firstly to fix, then put into the steel pipe with the steel reinforcement cage, weld the contact portion of steel reinforcement cage and steel pipe inner wall at last, and this kind of welding work adopts the workman to get into manual welding in the steel pipe generally, not only inefficiency and easily receive the space restriction, automatic weld equipment in a steel pipe of application number CN202210637421.X, including connecting seat and mount, weld steel pipe inner wall and steel bar contact position through the soldered connection, after the steel bar ring contact of locating wheel and next equidistance, weld next position, and then realize automatic weld's effect, reduce the condition that the manual work got into the pipeline. Although this device has the advantages described above, it still has the following drawbacks in practical use: 1) The whole welding device is supported by the upper connecting wheel and the lower connecting wheel, and the roller assembly and the welding structure are deviated to one side, so that the center of the whole welding device is deviated, the tilting and dislocation of the device are easily caused when the device walks, and the whole welding quality and efficiency are affected; 2) The device is used for two fifth wheels orientation that make to be fixed, can't adapt to the steel reinforcement cage of different reinforcing bar root numbers, and the braced range of strong point is less simultaneously, has further reduced the stability of device. Accordingly, there is a need for improvements that address the deficiencies that still exist with existing devices. Disclosure of Invention Aiming at the defects of the prior art, the invention provides automatic welding equipment for the inner wall of a pipeline and a working method thereof, and solves the problems that when the existing automatic welding equipment for the inner wall of a steel pipe is used, the stability of the device is insufficient, the welding work is affected due to easy dumping and dislocation due to the fact that the supporting range is small, meanwhile, the supporting direction is fixed, reinforcement cages with different specifications cannot be adapted, and the using range is limited. The automatic welding equipment for the inner wall of the pipeline comprises a base and a supporting mechanism, wherein the supporting mechanism comprises a bracket, a body of the bracket is connected with two rotating rods in a penetrating and rotating mode, gears are fixedly connected to the outer parts of the two rotating rods in a penetrating and fixing mode, the outer surfaces of the two gears are meshed with each other, rotating strips are fixedly connected to the outer surfaces of the two gears, the two rotating strips are splayed and split through the meshing of the two gears so as to adapt to pipelines with different inner diameters, clamping frames are fixedly connected to one ends of the two rotating strips, clamping wheels are rotatably connected to the outer surfaces of the two clamping frames, and the clamping wheels interact with steel bars in the pipeline; the adjusting component is arranged on the cambered surface of the base and used for adjusting the direction of the clamping wheel so as to adapt to different numbers of reinforcing steel bars; and the welding assembly is arranged outside one side of the surface of the base and is used for welding the inside of the pipeline by following the synchronous motion of the base. Preferably, one of them the surface of bull stick runs through fixedly connected with worm wheel, the surface meshing of worm wheel has the worm, the one end of worm is connected with the surface embedding rotation of support, the other end of worm runs through fixedly connected with arris. Preferably, the adjusting component comprises an arc groove, the arc groove is formed in the outer arc surface of the base, an arc block is connected to the inner portion of the arc groove in a sliding mode, an arc plate is fixedly connected to the outer surface of the arc block, one side of the outer surface of the arc plate is movably connected with the outer arc surface of the base, and the other side of the outer surface of the arc plate is fixedly connected with the outer surface of the support. Preferably, the body of arc board runs through sliding connection has the ring pole, the surface of ring pole runs through fixedly connected with solid board, the surface of solid board and the extrados fixed connection of base, the outside cover of ring pole is equipped with the pressure spring, the both ends of pressure spring respecti