Synchronous correction device and system for circular T-shaped piece welding

Abstract

The invention relates to the technical field of welding equipment, and provides an annular T-shaped part welding synchronous correction device and system.The annular T-shaped part welding synchronous correction device comprises a welding trolley, a hydraulic jacking support and a rotating carrier roller, the rotating carrier roller is used for supporting and rotating a shell ring, and the welding trolley comprises a trolley body, a welding gun support and rolling wheels; the welding gun support is connected to the vehicle body, the welding gun support is used for installing a welding gun, the rolling wheels are rotationally connected to the vehicle body, the rolling wheels are used for being in rolling connection with the outer circumferential wall of the annular T-shaped piece, the top end of the hydraulic jacking support is used for abutting against the bottom end of the vehicle body, and the hydraulic jacking support is used for jacking the vehicle body. By means of the structural arrangement, correction can be conducted synchronously in the welding process of the annular T-shaped piece, the welding quality of the annular T-shaped piece is improved, the labor intensity of operators is relieved, and meanwhile the welding operation efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to a synchronous correction device and system for welding of circular T-shaped pieces. Background Art

[0002] The circular T-shaped piece is generally a reinforcing rib plate with a circular ring shape and a T-shaped cross section. It is generally mounted on the outer wall of a cylindrical container to reinforce the container. For example, in order to improve the overall rigidity of a cylindrical petrochemical container, a whole circle of circular T-shaped pieces need to be welded on the outer wall. The circular T-shaped piece is generally flame cut or laser cut. The outer wall of the cylinder section of the petrochemical container is a curved structure. The roundness of the two has a certain deviation during the manufacturing process, resulting in a gap between the circular T-shaped piece and the cylinder section after assembly, affecting the welding quality. At the same time, the circular T-shaped piece may be deformed by heat during the welding process, which may also cause a gap or further increase the gap.

[0003] At present, in order to avoid the above situation, it is generally necessary to stop the welding operation from time to time during the welding process of the circular T-piece, and then correct the shape of the circular T-piece and the gap between the circular T-piece and the cylinder section. However, this may not only affect the welding quality of the front section, but also increase the labor intensity of the operators and reduce the efficiency of the welding operation. Summary of the invention

[0004] The technical problem to be solved by the present invention is: how to improve the welding quality and efficiency of the circular ring T-shaped piece.

[0005] The present invention provides a synchronous correction device for welding of a circular ring T-shaped piece, comprising a welding trolley, a hydraulic lifting support and a rotating roller, wherein the rotating roller is used to support and rotate a cylinder section, the welding trolley comprises a trolley body, a welding gun bracket and a roller, the welding gun bracket is connected to the trolley body, and the welding gun bracket is used to install a welding gun, the roller is rotatably connected to the trolley body, and the roller is used to roll and connect the outer circumferential wall of the circular ring T-shaped piece, the top end of the hydraulic lifting support is used to abut against the bottom end of the trolley body, and the hydraulic lifting support is used to lift the trolley body.

[0006] Optionally, rims are provided at both axial ends of the roller, and the rims are used to abut against the side ends of the outer circumferential wall of the annular T-shaped piece.

[0007] Optionally, the circular T-piece welding synchronous correction device further includes a locking ring, the locking ring is used to be sleeved on the cylinder section, and the welding trolley is used to be arranged between the locking ring and the cylinder section.

[0008] Optionally, the welding trolley further comprises a travel wheel adapted to the locking ring, the travel wheel being rotatably connected to the bottom end of the trolley body, and the travel wheel being used for rolling connection with the locking ring.

[0009] Optionally, the two locking rings are respectively used to be sleeved on the cylinder section, the two groups of running wheels are respectively rotatably connected to the opposite sides of the bottom end of the vehicle body, and the two groups of running wheels are respectively used to rollingly connect the two locking rings.

[0010] Optionally, the welding carriage further comprises a magnetic adsorption component, the magnetic adsorption component is connected to the top of the carriage body, and the magnetic adsorption component is used for magnetically adsorbing to the cylinder section.

[0011] Optionally, the welding carriage further comprises a weld tracking assembly, which is connected to the top of the carriage body and is used to monitor the weld between the cylinder section and the annular T-piece.

[0012] Optionally, the hydraulic jacking support includes a hydraulic cylinder and a base, the base is connected to the cylinder body of the hydraulic cylinder, the base is used to be connected to a base, and the telescopic end of the hydraulic cylinder is detachably connected to the bottom end of the vehicle body.

[0013] Optionally, the hydraulic jacking support further includes a pressure gauge, which is disposed on the hydraulic cylinder and is used to detect the pressure of the hydraulic cylinder.

[0014] Compared with the prior art, the circular ring T-piece welding synchronous correction device provided by the present invention has the following technical effects:

[0015] The circular ring T-shaped piece welding synchronous correction device provided by the present invention can place the cylinder section of the cylindrical container to be processed on the rotating roller by arranging a rotating roller, and can drive the cylinder section to rotate by driving the rotating roller. When welding the circular ring T-shaped piece, the circular ring T-shaped piece can be pre-set on the outer wall of the cylinder section, and abutted against the outer circumferential wall of the circular ring T-shaped piece by the roller of the welding trolley. At the same time, it is connected to the bottom end of the body of the welding trolley through a hydraulic jacking support, and the body is jacked, and is rotatably connected to the body through the roller. Then, as the cylinder section is driven to rotate by the rotating roller, the roller of the welding trolley can roll the outer circumferential wall of the circular ring T-shaped piece, thereby correcting the shape of the circular ring T-shaped piece and avoiding the generation of a gap between the circular ring T-shaped piece and the cylinder section. At the same time, by arranging a welding gun bracket on the body, the welding gun bracket can be installed with a welding gun, and welding can be performed as the cylinder section rotates. Through the above-mentioned structural arrangement, correction can be performed synchronously during the welding process of the circular ring T-shaped piece, thereby improving the welding quality of the circular ring T-shaped piece, reducing the labor intensity of the operators, and improving the welding operation efficiency.

[0016] In addition, the present invention also provides a circular T-piece welding synchronous correction system, including a controller and the above-mentioned circular T-piece welding synchronous correction device, and the controller is electrically connected to the welding trolley, hydraulic jacking support and rotating roller of the circular T-piece welding synchronous correction device respectively.

[0017] Compared with the prior art, the circular T-piece welding synchronous correction system provided by the present invention has substantially the same technical effects as the above-mentioned circular T-piece welding synchronous correction device by setting a controller and a circular T-piece welding synchronous correction device, which will not be repeated here. At the same time, by setting a controller and electrically connecting the welding trolley, hydraulic jacking support and rotating roller of the circular T-piece welding synchronous correction device respectively, the welding trolley, hydraulic jacking support and rotating roller can be automatically controlled and adjusted, which is conducive to realizing automated operations and further improving the quality and efficiency of welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a synchronous correction device for welding of a circular ring T-shaped piece according to an embodiment of the present invention;

[0019] Figure 2 It is a partial structural schematic diagram of a synchronous correction device for welding of a circular T-piece according to an embodiment of the present invention.

[0020] Description of reference numerals:

[0021] 10-welding carriage, 11-carriage body, 12-welding gun bracket, 13-roller, 14-travel wheel, 15-magnetic adsorption component, 16-weld seam tracking component, 20-hydraulic jacking support, 21-base, 30-rotating roller, 40-locking ring, 01-cylinder section, 02-circular T-shaped piece. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein.

[0024] In the description of the present invention, the directions or positional relationships indicated by “up”, “down”, “left”, “right”, “top”, “bottom”, “front”, “back”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment" and "one implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or implementations in a suitable manner.

[0027] To solve the above technical problems, Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a synchronous correction device for welding of a circular T-shaped piece, comprising a welding trolley 10, a hydraulic lifting support 20 and a rotating roller 30, wherein the rotating roller 30 is used to support and rotate the cylinder section 01, the welding trolley 10 comprises a car body 11, a welding gun bracket 12 and a roller 13, the welding gun bracket 12 is connected to the car body 11, and the welding gun bracket 12 is used to install the welding gun, the roller 13 is rotatably connected to the car body 11, and the roller 13 is used to roll and connect the outer circumferential wall of the circular T-shaped piece 02, the top end of the hydraulic lifting support 20 is used to abut against the bottom end of the car body 11, and the hydraulic lifting support 20 is used to lift the car body 11.

[0028] It should be noted that the barrel section 01 is a barrel section 01 of a cylindrical container, such as Figure 1As shown in , the barrel section 01 is a barrel section 01 of a cylindrical petrochemical container, which is a cylindrical structure in the middle. The circular T-shaped piece 02 is a rib plate structure with an overall circular ring shape and a T-shaped cross section. In order to improve the rigidity and structural strength of the above petrochemical container, it is necessary to weld and fix the circular T-shaped piece 02 on its outer wall. The part where the circular T-shaped piece 02 is welded and connected to the barrel section 01 is the bottom part of the T-shaped structure of the circular T-shaped piece 02, that is, the inner circumference of the circular T-shaped piece 02. The circular T-shaped piece 02 is rollingly connected to the roller 13 of the welding trolley 10 at its outer circumference, that is, the top of the T-shaped structure is a flat plate, and the rolling is more stable and reliable. At the same time, two groups of rotating rollers 30 can be provided, which can support and drive the barrel section 01 to rotate more reliably, and it can rotate itself, for example, a motor is configured to connect the gear box to drive the roller to rotate, thereby driving the barrel section 01 placed thereon to rotate. In addition, the shape and structure of the body 11 of the welding carriage 10 can be designed according to actual needs. For example, a groove is opened on the body 11 to accommodate and install the roller 13. The rotating shaft can be installed in the groove of the body 11 to be rotatably connected to the roller 13, and a wear-resistant and lubrication-enhancing sleeve can be provided on the rotating shaft, such as a sleeve made of copper alloy and coated with graphite. In addition, in order to prevent the heat generated by welding during the welding process from affecting other components, the body 11 can also be coated with insulating materials such as asbestos board and aluminum foil to block heat and protect it, thereby improving the overall service life and reliability. At the same time, the welding gun bracket 12 can be, for example, a clamping structure, a threaded connection structure, etc. to install and fix the welding gun. The welding gun can be selected according to the actual needs of the welding operation, and the relative position with the welding gun bracket 12 can also be adjusted according to the actual welding conditions.

[0029] In this embodiment, the circular ring T-shaped piece welding synchronous correction device provided in this embodiment can place the cylinder section 01 of the cylindrical container to be processed on the rotating roller 30 by setting the rotating roller 30, and can drive the rotating roller 30 to drive the cylinder section 01 to rotate. When welding the circular ring T-shaped piece 02, the circular ring T-shaped piece 02 can be pre-set on the outer wall of the cylinder section 01, and the roller 13 of the welding trolley 10 can be abutted against the outer circumferential wall of the circular ring T-shaped piece 02, and at the same time, the hydraulic jacking support 20 and the body 11 of the welding trolley 10 can be used to weld the circular ring T-shaped piece 02. The bottom end is connected, and the car body 11 is lifted, and the car body 11 is rotatably connected with the car body 11 through the roller 13, and then as the cylinder section 01 is rotated by the rotating roller 30, the roller 13 of the welding trolley 10 can roll the outer circumferential wall of the circular ring T-shaped piece 02, thereby correcting the shape of the circular ring T-shaped piece 02 and avoiding the formation of a gap between the circular ring T-shaped piece 02 and the cylinder section 01. At the same time, by arranging a welding gun bracket 12 on the car body 11, the welding gun bracket 12 can be installed with a welding gun, and welding can be performed as the cylinder section 01 rotates. Through the above-mentioned structural setting, the circular ring T-shaped piece 02 can be corrected synchronously during the welding process, thereby improving the welding quality of the circular ring T-shaped piece 02, reducing the labor intensity of the operators, and improving the welding operation efficiency.

[0030] Alternatively, if Figure 2 As shown, the roller 13 is provided with rims at both axial ends, and the rims are used to abut against the side ends of the outer circumferential wall of the circular T-shaped piece 02.

[0031] Specifically, two rollers 13 can be provided on the vehicle body 11 and can be arranged according to the arc of the circular ring T-shaped piece 02 actually required, so that the circular ring T-shaped piece 02 can be rolled and corrected more stably, the correction effect is better, and the operation is more stable and reliable.

[0032] In this embodiment, rims are provided at both axial ends of the roller 13, and during use, the rims can be abutted against the side ends of the outer circular wall of the annular T-shaped piece 02. That is to say, the two axial rims of a roller 13 can limit the axial movement of the annular T-shaped piece 02, thereby more reliably and stably correcting the annular T-shaped piece 02, and the operation is more stable.

[0033] Alternatively, if Figure 1 and Figure 2 As shown, the circular T-piece welding synchronous correction device also includes a locking ring 40, and the locking ring 40 is used to be sleeved on the cylinder section 01, and the welding carriage 10 is used to be arranged between the locking ring 40 and the cylinder section 01.

[0034] Specifically, the locking ring 40 can be a structure such as a wire rope or an iron chain, and its tightness can be adjusted to ensure that the welding trolley 10 is stably clamped between the locking ring 40 and the barrel section 01, that is, the welding trolley 10 is always restricted to a state of being close to the barrel section 01, so as to improve the stability and reliability of welding and correction.

[0035] In this embodiment, a locking ring 40 is provided and sleeved on the cylinder segment 01. When in use, the welding carriage 10 is provided between the locking ring 40 and the cylinder segment 01. The welding carriage 10 can be stably clamped on the outer circumferential wall surface of the cylinder segment 01 through the locking ring 40, thereby improving the stability of welding and correction of the circular T-shaped piece 02.

[0036] Alternatively, if Figure 2 As shown, the welding carriage 10 further includes a travel wheel 14 adapted to the locking ring 40 , the travel wheel 14 is rotatably connected to the bottom end of the carriage body 11 , and the travel wheel 14 is used for rolling connection with the locking ring 40 .

[0037] Specifically, the welding trolley 10 can also be configured to automatically move on the outer circumferential wall of the cylinder segment 01. For example, the welding trolley 10 can include a walking mechanism driven by a motor. For example, the motor drives the walking wheel 14 to rotate, and the walking wheel 14 moves on the locking ring 40. At this time, the connection between the hydraulic jacking support and the vehicle body 11 can be released, and the operation of the rotating roller 30 can be stopped. The cylinder segment 01 does not need to rotate. The welding trolley 10 moves in a circle around the cylinder segment 01, and when the locking ring 40 is tightened, it can automatically perform welding and synchronous correction operations, thereby further improving the working efficiency.

[0038] In this embodiment, by rotating and connecting the travel wheel 14 at the bottom end of the body of the welding trolley 10, the travel wheel 14 can be rollingly connected with the locking ring 40 when in use. On the one hand, it makes the side-rotating welding operation and the synchronous correction operation smoother and more stable. On the other hand, it also facilitates the realization of the operation mode of automatic walking, automatic welding and correction, which is conducive to further improving the operation efficiency and quality.

[0039] Specifically, Figure 2 As shown, the two locking rings 40 are respectively used to be mounted on the barrel section 01 , and the two sets of running wheels 14 are respectively rotatably connected to the opposite sides of the bottom end of the vehicle body 11 , and the two sets of running wheels 14 are respectively used to roll and connect the two locking rings 40 .

[0040] In this embodiment, two sets of running wheels 14 are provided and respectively connected in a rolling manner to two locking rings 40, thereby further improving the overall stability and preventing the welding carriage 10 from tipping over. The welding carriage 10 can be better prevented from falling, and the overall operation is more stable and reliable.

[0041] Alternatively, if Figure 2 As shown, the welding carriage 10 further includes a magnetic adsorption component 15 , which is connected to the top of the carriage body 11 , and is used for magnetically adsorbing the cylinder section 01 .

[0042] Specifically, the magnetic adsorption component 15 can be an electromagnetic structure. For example, the power supply is controlled by a controller to generate magnetic force after power is turned on, and it can be adsorbed on the outer circumferential wall of the cylinder segment 01. Preferably, the part of the magnetic adsorption component 15 that contacts the cylinder segment 01 is a wheel-shaped structure, which can reduce the friction between the magnetic adsorption component 15 and the cylinder segment 01 as much as possible, so that the relative movement of the welding trolley 10 and the cylinder segment 01 is smoother while preventing the welding trolley 10 from falling from the cylinder segment 01.

[0043] In this embodiment, by connecting the magnetic adsorption component 15 to the top of the vehicle body, when in use, the magnetic adsorption component 15 can be adsorbed on the cylinder section 01 to prevent the welding trolley 10 from falling, and at the same time, the reliability of the welding trolley 10 for correcting the circular T-shaped piece 02 can be further improved, thereby further improving the quality of the welding operation.

[0044] Alternatively, if Figure 2 As shown, the welding carriage 10 further includes a weld tracking assembly 16 , which is connected to the top of the carriage body 11 and is used to monitor the weld between the cylinder section 01 and the circular T-shaped piece 02 .

[0045] Specifically, the circular T-piece welding synchronous correction device can be configured with a control system such as a controller for use. At the same time, the weld tracking component 16 can be, for example, a laser sensor, an optical sensor, etc., and be used in conjunction with an image processing module. For example, the controller receives and processes the weld condition between the cylinder section 01 and the circular T-piece 02 monitored by the weld tracking component 16 to provide a more accurate welding path for the welding gun. Of course, the path of the welding gun can be adjusted manually or connected to the controller through an automatic adjustment mechanism for real-time automatic adjustment. No specific limitation is made here, which can further improve the efficiency of the operation.

[0046] In this embodiment, by setting a weld tracking component 16 at the top of the vehicle body 11, when in use, the weld tracking component 16 can monitor the weld condition between the cylinder section 01 and the circular T-shaped piece 02, and can provide the operator or the operating system with a better and more accurate welding operation path and instructions, which is conducive to further improving the quality of the welding operation.

[0047] Alternatively, if Figure 1 and Figure 2As shown, the hydraulic jacking support 20 includes a hydraulic cylinder and a base 21, wherein the base 21 is connected to the cylinder body of the hydraulic cylinder, and the base 21 is used to be connected to a base, and the telescopic end of the hydraulic cylinder is detachably connected to the bottom end of the vehicle body 11.

[0048] Specifically, the base can be the ground or the base of the equipment, etc. For example, it can be connected to the base 21 through anchor bolts and the base 21 can be stably fixed on the ground, so that the reaction force of the hydraulic cylinder on the jacking correction force of the vehicle body 11 can be stably transmitted to the ground, which is more stable and reliable to use.

[0049] In this embodiment, by setting the hydraulic jacking support 20 as a structure of a hydraulic cylinder and a base 21, the base 21 can stably fix the hydraulic cylinder on the base and can reliably transmit the jacking force, that is, the correction force on the circular T-shaped piece 02, and the structure is more stable and reliable.

[0050] Alternatively, if Figure 1 and Figure 2 As shown, the hydraulic jacking support 20 also includes a pressure gauge, which is arranged on the hydraulic cylinder and is used to detect the pressure of the hydraulic cylinder.

[0051] Specifically, the pressure gauge can be a digitally controlled pressure gauge and can be connected to a controller for automatic detection and display. At the same time, the controller can be electrically connected to the hydraulic cylinder to automatically adjust the extension and contraction of the hydraulic cylinder, that is, the pressure on the vehicle body and the circular T-shaped piece 02 in real time to prevent excessive pressure from damaging components, and to prevent excessive pressure from failing to correct the problem. In addition, an audible and visual alarm can be set to provide real-time alarm prompts for adverse conditions such as excessive pressure.

[0052] In this embodiment, by setting a pressure gauge on the hydraulic cylinder, the pressure of the hydraulic cylinder, that is, the pressure of the hydraulic jacking support 20 on the vehicle body 11, can be obtained. It is also the correction pressure of the circular T-shaped piece 02. It can provide reliable reference data for the operating personnel or the operating system in real time, prevent the adverse effects caused by excessive or insufficient pressure, and improve the reliability and safety of the operation.

[0053] In addition, if Figure 1 As shown, another embodiment of the present invention provides a circular T-piece welding synchronous correction system, including a controller and a circular T-piece welding synchronous correction device as described above, wherein the controller is electrically connected to the welding trolley 10, hydraulic jacking support 20 and rotating roller 40 of the circular T-piece welding synchronous correction device respectively.

[0054] Exemplarily, the controller can regulate the movement path and state of the welding carriage 10 in real time. For example, the controller receives data from the weld tracking component 16 provided on the welding carriage 10 and adjusts the path of the welding gun. The controller can regulate the magnetic adsorption component 15 on the welding carriage 10, for example, to turn on and off the power, so as to select the operation mode of whether to adsorb on the cylinder section 01. At the same time, the action state of the hydraulic jacking support 20 can be regulated by the controller. For example, the pressure condition of the hydraulic cylinder of the hydraulic jacking support 20 can be obtained by the controller, and the pressure condition of the circular T-piece 02 in operation can be regulated in real time. In addition, the controller can be used to regulate whether and when the rotating roller 30 rotates, so as to realize the overall automated operation, further improve the operation efficiency, and reduce the labor intensity of the operators.

[0055] In this embodiment, the circular T-piece welding synchronous correction system provided in this embodiment is provided with a controller and the above-mentioned circular T-piece welding synchronous correction device, and the controller is electrically connected to the welding trolley 10, hydraulic jacking support 20 and rotating roller 40 of the circular T-piece welding synchronous correction device respectively. The technical effect it has is roughly the same as the technical effect of the above-mentioned circular T-piece welding synchronous correction device, which will not be repeated here. At the same time, the welding trolley 10, hydraulic jacking support 20 and rotating roller 30 can be automatically controlled and adjusted through the controller, which is conducive to realizing automated operation and further improving the quality and efficiency of welding operations.

[0056] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will fall within the protection scope of the present invention.

Claims

1. A synchronous correction device for welding of circular T-shaped parts, characterized in that: The invention comprises a welding carriage (10), a hydraulic lifting support (20) and a rotating roller (30), wherein the rotating roller (30) is used to support and rotate a cylinder section (01), the welding carriage (10) comprises a carriage body (11), a welding gun support (12) and a roller (13), wherein the welding gun support (12) is connected to the carriage body (11) and is used to install a welding gun, the roller (13) is rotatably connected to the carriage body (11) and is used to roll and connect the outer circumferential wall of a circular T-shaped piece (02), the top end of the hydraulic lifting support (20) is used to abut against the bottom end of the carriage body (11), and the hydraulic lifting support (20) is used to lift the carriage body (11).

2. The synchronous correction device for circular T-piece welding according to claim 1 is characterized in that: The roller (13) is provided with wheel rims at both axial ends, and the wheel rims are used to abut against the side ends of the outer circumferential wall of the circular T-shaped piece (02).

3. The synchronous correction device for welding of circular T-shaped pieces according to claim 1, characterized in that: The circular T-shaped piece welding synchronous correction device also includes a locking ring (40), the locking ring (40) is used to be sleeved on the cylinder section (01), and the welding trolley (10) is used to be arranged between the locking ring (40) and the cylinder section (01).

4. The synchronous correction device for welding of circular T-pieces according to claim 3 is characterized in that: The welding trolley (10) further comprises a running wheel (14) adapted to the locking ring (40), wherein the running wheel (14) is rotatably connected to the bottom end of the vehicle body (11), and the running wheel (14) is used for rolling connection to the locking ring (40).

5. The synchronous correction device for welding of circular T-shaped pieces according to claim 4 is characterized in that: The two locking rings (40) are respectively used to be sleeved on the cylinder section (01), and the two sets of running wheels (14) are respectively rotatably connected to the opposite sides of the bottom end of the vehicle body (11), and the two sets of running wheels (14) are respectively used to rollably connect the two locking rings (40).

6. The synchronous correction device for welding of circular T-pieces according to claim 1, characterized in that: The welding carriage (10) further comprises a magnetic adsorption component (15), wherein the magnetic adsorption component (15) is connected to the top end of the carriage body (11), and the magnetic adsorption component (15) is used to be magnetically attracted to the cylinder section (01).

7. The synchronous correction device for welding of circular T-shaped pieces according to claim 1, characterized in that: The welding carriage (10) further comprises a weld tracking assembly (16), which is connected to the top end of the carriage body (11) and is used to monitor the weld between the cylinder section (01) and the circular T-shaped piece (02).

8. The synchronous correction device for welding of circular T-shaped pieces according to claim 1, characterized in that: The hydraulic lifting support (20) comprises a hydraulic cylinder and a base (21), wherein the base (21) is connected to a cylinder body of the hydraulic cylinder, and the base (21) is used to be connected to a base, and the telescopic end of the hydraulic cylinder is detachably connected to the bottom end of the vehicle body (11).

9. The synchronous correction device for welding of circular T-pieces according to claim 8, characterized in that: The hydraulic jacking support (20) also includes a pressure gauge, which is arranged on the hydraulic cylinder and is used to detect the pressure of the hydraulic cylinder.

10. A synchronous correction system for circular T-shaped piece welding, characterized in that: It comprises a controller and a circular ring T-piece welding synchronous correction device as described in any one of claims 1 to 9, wherein the controller is electrically connected to a welding trolley (10), a hydraulic jacking support (20) and a rotating roller (40) of the circular ring T-piece welding synchronous correction device respectively.

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