A steel pipe internal and external welding equipment

Abstract

The present invention discloses a steel pipe internal and external welding equipment, comprising an integral bottom plate, a limit support assembly and a steel pipe body, wherein the limit support assembly is installed on the top of the integral bottom plate. The present invention sets a driving assembly, a welding adjustment frame, a welding limit frame, a welding connection frame, a steel pipe external welding piece and a steel pipe internal welding piece for coordinated use, starts a driving motor, drives the welding adjustment frame to move through the cooperation of a driving toothed disc and a driving gear rod, slides on the surface of the welding limit frame, drives the steel pipe internal welding piece to move through the welding connection frame, ensures that the steel pipe external welding piece and the steel pipe internal welding piece are aligned with the gap between the two steel pipe bodies, and the driving member in the steel pipe roller frame drives the roller to rotate, thereby synchronously welding the inside and outside, solving the problem that most of the welding methods adopted by the existing steel pipe welding equipment are external welding and require a lot of time for debugging when welding steel pipes of different diameters.

Description

Technical Field

[0001] The present invention relates to the field of steel pipe welding, and in particular to a steel pipe internal and external welding device. Background Art

[0002] Welding is a process that uses heat, pressure or a combination of both to achieve atomic bonding between two or more workpiece surfaces to form a permanent connection. Welding is widely used in industries such as metal processing, construction, automobile manufacturing, aerospace, pipeline installation and maintenance. Common welding methods include arc welding, gas shielded welding, resistance welding, laser welding, etc. When performing welding operations, factors such as material type, thickness, joint design, welding position, and welding environment need to be considered to ensure welding quality and safety.

[0003] The Chinese patent has been published, with the announcement number: CN118081136B, which includes a platform, a plurality of bracket mechanisms are installed on the top surface of the platform, a notch-up circular seat in the bracket mechanism has a built-in hydraulic pipe, the bottom of the notch seat is connected to a support tube, and a steel cable is connected to both sides of each support tube along the splicing direction of the hydraulic pipe, the steel cable is slidably connected to the driving mechanism on the support foot of the target ring seat, the end face of the target ring seat is rotatably connected to the swivel mechanism with a welding assembly, the pulley group on the upper side of the target ring seat contacts the top of the hydraulic pipe, and the size of the target ring seat and the swivel mechanism and the notch direction can be matched to pass through the bracket mechanism; the device has strong applicability and high degree of automation, and can pre-splice the hydraulic pipe bent in space through the bracket mechanism, and then the driving mechanism drives the target ring seat to move one by one to each weld along the direction of the hydraulic pipe, and the rotating swivel mechanism enables the welding assembly to be welded at the weld;

[0004] The Chinese patent has been published, with the announcement number: CN104741850B, which includes a track and a C-type plate bracket arranged in a straight line, a welding support frame for supporting steel pipes, a first welding platform with adjustable connection plate welding angle, a second welding platform with adjustable connection plate welding height, and a flange bracket, wherein the flange bracket, C-type plate bracket, welding support frame, first welding platform, and second welding platform can be movably arranged on the track; the flange bracket, welding support frame, first welding platform, and second welding platform are all provided with brake devices. The present invention is provided with a C-type plate bracket, a welding support frame, a first welding platform, a second welding platform, and a flange bracket, which can fix all the parts that need to be welded on the steel pipe tower, facilitate welding, and can also accurately adjust the welding position to improve production quality.

[0005] Welding equipment is required in the process of welding steel pipes. The problem with the above technology is that most of the welding equipment for existing steel pipes adopts external welding and it takes a lot of time to debug when welding steel pipes of different diameters, and the process is relatively cumbersome. Summary of the invention

[0006] In view of the problems existing in the prior art, the present invention provides a steel pipe internal and external welding device which can overcome the above problems or at least partially solve the above problems.

[0007] The present invention is implemented as follows: a steel pipe internal and external welding device comprises an integral bottom plate, a limit support assembly and a steel pipe body, wherein the limit support assembly is installed on the top of the integral bottom plate, and the steel pipe body is located on the top of the limit support assembly, and a steel pipe external welding part is arranged on the top of the steel pipe body, and a steel pipe internal welding part is arranged inside the steel pipe body, and a welding support frame is fixedly connected to the top of the steel pipe external welding part, and a welding connecting frame is fixedly connected to one side of the steel pipe internal welding part, and a welding adjustment frame is fixedly connected to one side of the welding connecting frame, and a welding limit frame is arranged in the inner cavity of the welding adjustment frame, and a locking assembly is arranged on the top of the welding adjustment frame, and a driving assembly is arranged on one side of the welding adjustment frame, and an auxiliary positioning assembly is arranged on the top of the steel pipe body.

[0008] In order to strengthen the supporting capacity of the steel pipe, preferably, the limit support assembly includes a steel pipe support platform, the top of the steel pipe support platform is fixedly connected to a support plate, a two-way hydraulic cylinder is installed on the top of the support plate, and the output ends on both sides of the two-way hydraulic cylinder are fixedly connected to a steel pipe roller frame. The limit support assembly can support the steel pipe and drive the steel pipe to rotate through the driving parts inside the steel pipe roller frame and the rollers on the steel pipe roller frame.

[0009] In order to fix and limit the position of the welding adjustment frame after it moves, preferably, the locking assembly includes a counterweight block, the bottom of the counterweight block is fixedly connected to a locking rod, and the surface of the welding limit frame is provided with a locking groove, and the locking assembly can fix and limit the position of the welding adjustment frame.

[0010] In order to further limit the steel pipe, preferably, the auxiliary positioning assembly includes a positioning plate, a positioning wheel frame is installed at the bottom of the positioning plate, a vertical stabilizing rod is fixedly connected to the bottom of the positioning plate, a vertical stabilizing column is sleeved on the surface of the vertical stabilizing rod, the inner cavity of the positioning plate is threadedly connected to a lifting threaded rod, and a motor body is installed at the bottom of the lifting threaded rod. The auxiliary positioning assembly can limit the steel pipe.

[0011] In order to control the movement of the welding adjustment frame, preferably, the driving assembly includes a motor frame. A driving motor is installed on one side of the motor frame, a driving gear plate is installed on the output end of the driving motor, and a driving gear rod used in conjunction with the welding adjustment frame is arranged on the top of the driving gear plate. The driving assembly can provide power and control the movement of the welding adjustment frame.

[0012] In order to strengthen the supporting capacity of the steel pipe, preferably, one side of the welded limit frame is fixedly connected to the integral bottom plate, the bottom of the steel pipe roller frame is fixedly connected to the integral bottom plate, the side of the locking rod close to the inner wall of the locking groove is in contact with the inside of the locking groove, and the top of the steel pipe roller frame is in contact with the steel pipe. The limit support assembly can support the steel pipe and drive the steel pipe to rotate through the driving parts inside the steel pipe roller frame and the rollers on the steel pipe roller frame.

[0013] In order to further limit the steel pipe, preferably, the bottom of the positioning wheel frame contacts the steel pipe, the bottom of the vertical stabilizing column is fixedly connected to the base, the bottom of the motor body is fixedly connected to the overall bottom plate, and the auxiliary positioning assembly can limit the steel pipe.

[0014] In order to control the movement of the welding adjustment frame, preferably, one side of the motor frame is fixedly connected to the integral base plate, one side of the driving gear disc is engaged with the driving gear rod, and one side of the driving gear rod is fixedly connected to the welding adjustment frame, and the driving assembly can provide power and control the movement of the welding adjustment frame.

[0015] To summarize, the present invention sets a driving assembly, a welding adjustment frame, a welding limit frame, a welding connecting frame, the external welding parts of the steel pipe and the internal welding parts of the steel pipe for coordinated use, starts the driving motor, and the driving motor drives the welding adjustment frame to move through the cooperation of the driving gear plate and the driving gear rod. The welding adjustment frame slides on the surface connected to the welding limit frame, and the welding adjustment frame drives the internal welding parts of the steel pipe to move through the welding connecting frame to ensure that the external welding parts of the steel pipe and the internal welding parts of the steel pipe are aligned with the gap between the two steel pipe bodies. The driving member in the steel pipe roller frame drives the roller to rotate, thereby achieving synchronous welding inside and outside, which solves the problem that most of the welding methods used in existing steel pipe welding equipment are external welding and require a lot of time to debug when welding steel pipes of different diameters, and the process is relatively cumbersome. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the present invention.

[0017] Figure 2 It is a three-dimensional schematic diagram of the side surface of the structure provided by an embodiment of the present invention.

[0018] Figure 3 It is a three-dimensional schematic diagram of a local structure provided by an embodiment of the present invention.

[0019] Figure 4 It is a three-dimensional schematic diagram of an auxiliary positioning component provided by an embodiment of the present invention.

[0020] Figure 5 It is a three-dimensional schematic diagram of a limiting support assembly provided by an embodiment of the present invention.

[0021] Figure 6 It is a three-dimensional schematic diagram of a locking assembly provided by an embodiment of the present invention.

[0022] Figure 7 It is a three-dimensional schematic diagram of a driving assembly provided by an embodiment of the present invention.

[0023] Description of reference numerals:

[0024] 1. Integral bottom plate; 2. Limit support assembly; 201. Steel pipe support platform; 202. Support plate; 203. Bidirectional hydraulic cylinder; 204. Steel pipe roller frame; 3. Steel pipe body; 4. External welding parts of steel pipe; 5. Internal welding parts of steel pipe; 6. Welding support frame; 7. Welding connecting frame; 8. Welding adjustment frame; 9. Welding limit frame; 10. Locking assembly; 1001. Counterweight block; 1002. Locking rod; 1003. Locking groove; 11. Auxiliary positioning assembly; 1101. Positioning plate; 1102. Positioning wheel frame; 1103. Vertical stabilizing rod; 1104. Vertical stabilizing column; 1105. Lifting threaded rod; 1106. Motor body; 12. Driving assembly; 1201. Motor frame; 1202. Driving motor; 1203. Driving gear disc; 1204. Driving gear rod. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included. Example

[0029] Reference Figures 1 to 7, which is the first embodiment of the present invention, provides an internal and external welding device for steel pipes. By adopting the internal and external welding methods simultaneously, it solves the problem that most of the welding methods adopted by existing steel pipe welding equipment are external welding and it takes a lot of time to debug when welding steel pipes of different diameters, and the process is relatively cumbersome.

[0030] The steel pipe internal and external welding equipment includes an integral base plate 1, a limit support assembly 2 and a steel pipe body 3. The limit support assembly 2 is installed on the top of the integral base plate 1, and the steel pipe body 3 is located on the top of the limit support assembly 2. A steel pipe external welding part 4 is arranged on the top of the steel pipe body 3, and a steel pipe internal welding part 5 is arranged inside the steel pipe body 3. A welding support frame 6 is fixedly connected to the top of the steel pipe external welding part 4, a welding connecting frame 7 is fixedly connected to one side of the steel pipe internal welding part 5, a welding adjusting frame 8 is fixedly connected to one side of the welding connecting frame 7, a welding limit frame 9 is arranged in the inner cavity of the welding adjusting frame 8, a locking assembly 10 is arranged on the top of the welding adjusting frame 8, a driving assembly 12 is arranged on one side of the welding adjusting frame 8, and an auxiliary positioning assembly 11 is arranged on the top of the steel pipe body 3.

[0031] The position limiting support assembly 2 comprises a steel pipe support platform 201 , the top of which is fixedly connected to a support plate 202 , a bidirectional hydraulic cylinder 203 is installed on the top of the support plate 202 , and output ends on both sides of the bidirectional hydraulic cylinder 203 are fixedly connected to steel pipe roller frames 204 .

[0032] The locking assembly 10 includes a counterweight block 1001 , a locking rod 1002 is fixedly connected to the bottom of the counterweight block 1001 , and a locking groove 1003 is formed on the surface of the welding limit frame 9 .

[0033] The auxiliary positioning assembly 11 includes a positioning plate 1101, a positioning wheel frame 1102 is installed at the bottom of the positioning plate 1101, a vertical stabilizing rod 1103 is fixedly connected to the bottom of the positioning plate 1101, a vertical stabilizing column 1104 is sleeved on the surface of the vertical stabilizing rod 1103, the inner cavity of the positioning plate 1101 is threadedly connected to a lifting threaded rod 1105, and a motor body 1106 is installed at the bottom of the lifting threaded rod 1105.

[0034] The driving assembly 12 includes a motor frame 1201. A driving motor 1202 is installed on one side of the motor frame 1201, a driving gear plate 1203 is installed on the output end of the driving motor 1202, and a driving gear rod 1204 used in conjunction with the welding adjustment frame 8 is arranged on the top of the driving gear plate 1203.

[0035] One side of the welding limit frame 9 is fixedly connected to the overall bottom plate 1, the bottom of the steel pipe roller frame 204 is fixedly connected to the overall bottom plate 1, the side of the locking rod 1002 close to the inner wall of the locking groove 1003 contacts the inside of the locking groove 1003, and the top of the steel pipe roller frame 204 contacts the steel pipe.

[0036] The bottom of the positioning wheel frame 1102 is in contact with the steel pipe, the bottom of the vertical stabilizing column 1104 is fixedly connected to the integral bottom plate 1 , and the bottom of the motor body 1106 is fixedly connected to the integral bottom plate 1 .

[0037] One side of the motor frame 1201 is fixedly connected to the integral bottom plate 1 , one side of the driving gear disc 1203 is meshed with the driving gear rod 1204 , and one side of the driving gear rod 1204 is fixedly connected to the welding adjustment frame 8 .

[0038] When in use, the counterweight 1001 is pulled upward and removed, and the counterweight 1001 drives the locking rod 1002 to leave the inner cavity of the locking groove 1003, and then the driving motor 1202 is started. The driving motor 1202 drives the welding adjustment frame 8 to move through the cooperation of the driving toothed disc 1203 and the driving toothed rod 1204. The welding adjustment frame 8 slides on the surface of the connected welding limit frame 9, and the welding adjustment frame 8 drives the internal welding part 5 of the steel pipe to move through the welding connecting frame 7. Then the two-way hydraulic cylinder 203 is started to move the steel pipe roller frame 204 to the corresponding position, and the steel pipe body 3 is placed on the steel pipe roller frame 204, and the motor body 1106 is started. The motor body 1106 drives the positioning plate 1101 through the lifting threaded rod 1105 Lifting, the positioning plate 1101 drives the positioning wheel frame 1102 to contact the steel pipe body 3, the vertical stabilizing rod 1103 slides in the inner cavity of the vertical stabilizing column 1104, and then the welding support frame 6 adjusts the position of the external welding part 4 of the steel pipe, and starts the driving motor 1202. The driving motor 1202 drives the welding adjustment frame 8 to move through the cooperation of the driving gear plate 1203 and the driving gear rod 1204. The welding adjustment frame 8 slides on the surface of the connected welding limit frame 9, and the welding adjustment frame 8 drives the internal welding part 5 of the steel pipe to move through the welding connecting frame 7 to ensure that the external welding part 4 of the steel pipe and the internal welding part 5 of the steel pipe are aligned with the gap between the two steel pipe bodies 3. The driving part in the steel pipe roller frame 204 drives the roller to rotate, thereby synchronously welding the inside and outside.

[0039] The position-limiting support assembly 2 can support the steel pipe and drive the steel pipe to rotate through the driving member inside the steel pipe roller frame 204 and the roller on the steel pipe roller frame 204, and can cooperate with the auxiliary positioning assembly 11 to limit the steel pipe to ensure that the steel pipe can perform circular motion and will not deviate. The locking assembly 10 can fix and limit the position of the welding adjustment frame 8, the auxiliary positioning assembly 11 can limit the steel pipe, the driving assembly 12 can provide power and control the movement of the welding adjustment frame 8, the locking assembly 10 can fix and limit the position of the welding adjustment frame 8, and can control the movement of the welding part 5 inside the steel pipe, so as to facilitate the loading and unloading of the steel pipe body 3 and adjust according to the position of the steel pipe body 3.

[0040] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible, for example, the size, scale, structure, shape and proportion of various elements, and parameter values ​​such as temperature, pressure, etc., mounting arrangements, use of materials, color, directional changes, etc., without substantially departing from the novel angles and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of the execution function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to a variety of modifications that still fall within the scope of the appended claims. In addition, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described, that is, those features that are not relevant to the best mode currently considered to carry out the invention, or those features that are not relevant to implementing the invention.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A steel pipe internal and external welding device, comprising an integral bottom plate (1), a limit support assembly (2) and a steel pipe body (3), wherein the limit support assembly (2) is mounted on the top of the integral bottom plate (1), and the steel pipe body (3) is located on the top of the limit support assembly (2), characterized in that: The top of the steel pipe body (3) is provided with a steel pipe external welding part (4), the interior of the steel pipe body (3) is provided with a steel pipe internal welding part (5), the top of the steel pipe external welding part (4) is fixedly connected to a welding support frame (6), one side of the steel pipe internal welding part (5) is fixedly connected to a welding connection frame (7), one side of the welding connection frame (7) is fixedly connected to a welding adjustment frame (8), the inner cavity of the welding adjustment frame (8) is provided with a welding limit frame (9), the top of the welding adjustment frame (8) is provided with a locking assembly (10), one side of the welding adjustment frame (8) is provided with a driving assembly (12), and the top of the steel pipe body (3) is provided with an auxiliary positioning assembly (11).

2. The steel pipe internal and external welding equipment according to claim 1, characterized in that: The position-limiting support assembly (2) comprises a steel pipe support platform (201), the top of the steel pipe support platform (201) is fixedly connected to a support plate (202), a bidirectional hydraulic cylinder (203) is installed on the top of the support plate (202), and output ends on both sides of the bidirectional hydraulic cylinder (203) are fixedly connected to steel pipe roller frames (204).

3. A steel pipe internal and external welding device as claimed in claim 2, characterized in that: The locking assembly (10) comprises a counterweight block (1001), the bottom of the counterweight block (1001) is fixedly connected to a locking rod (1002), and a locking groove (1003) is provided on the surface of the welding limit frame (9).

4. The steel pipe internal and external welding equipment according to claim 1, characterized in that: The auxiliary positioning assembly (11) comprises a positioning plate (1101), a positioning wheel frame (1102) is installed at the bottom of the positioning plate (1101), a vertical stabilizing rod (1103) is fixedly connected to the bottom of the positioning plate (1101), a vertical stabilizing column (1104) is sleeved on the surface of the vertical stabilizing rod (1103), a lifting threaded rod (1105) is threadedly connected to the inner cavity of the positioning plate (1101), and a motor body (1106) is installed at the bottom of the lifting threaded rod (1105).

5. The steel pipe internal and external welding equipment according to claim 1, characterized in that: The driving assembly (12) comprises a motor frame (1201), a driving motor (1202) being mounted on one side of the motor frame (1201), a driving toothed disc (1203) being mounted on the output end of the driving motor (1202), and a driving toothed rod (1204) for use with a welding adjustment frame (8) being disposed on the top of the driving toothed disc (1203).

6. The steel pipe internal and external welding equipment according to claim 3, characterized in that: One side of the welding limit frame (9) is fixedly connected to the integral bottom plate (1), the bottom of the steel pipe roller frame (204) is fixedly connected to the integral bottom plate (1), the side of the locking rod (1002) close to the inner wall of the locking groove (1003) is in contact with the inside of the locking groove (1003), and the top of the steel pipe roller frame (204) is in contact with the steel pipe.

7. The steel pipe internal and external welding equipment according to claim 4, characterized in that: The bottom of the positioning wheel frame (1102) is in contact with the steel pipe, the bottom of the vertical stabilizing column (1104) is fixedly connected to the base, and the bottom of the motor body (1106) is fixedly connected to the integral bottom plate (1).

8. The steel pipe internal and external welding equipment according to claim 5, characterized in that: One side of the motor frame (1201) is fixedly connected to the integral bottom plate (1), one side of the driving toothed disc (1203) is meshed with the driving gear rod (1204), and one side of the driving gear rod (1204) is fixedly connected to the welding adjustment frame (8).

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