CN215238441U - Welding head mechanism of oil-gas pipeline welding trolley - Google Patents
Welding head mechanism of oil-gas pipeline welding trolley Download PDFInfo
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- CN215238441U CN215238441U CN202121199965.XU CN202121199965U CN215238441U CN 215238441 U CN215238441 U CN 215238441U CN 202121199965 U CN202121199965 U CN 202121199965U CN 215238441 U CN215238441 U CN 215238441U
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Abstract
The utility model discloses a welding head mechanism of oil gas pipeline welding dolly, including installing welder, first motor and the second motor on a mount pad, install a first gear on the output shaft of second motor, one with the movably suit of second gear that first gear engagement is connected is in a drive shaft, be provided with the denticle on the inner wall of second gear, be provided with on the surface of second gear one end with the denticle matched with tooth's socket on the second gear inner wall on the drive shaft installation for the second gear can drive the drive shaft rotatory, the other end of drive shaft passes the installation piece to rotate with the installation piece through a bearing and be connected, pass the installation piece one of drive shaft is served and is installed a third gear, the rack of a vertical setting with third gear engagement is connected. The utility model discloses oil gas pipeline welding dolly's bonding tool mechanism both can improve welded precision, can be applicable to the less welding scene of interval between the pipeline again.
Description
Technical Field
The utility model relates to a welding head mechanism of oil gas pipeline welding dolly belongs to pipeline welding equipment technical field.
Background
With the progress of industrial automatic control research, corresponding technical support is provided for the pipeline engineering construction in China, the automatic pipeline welding technology gradually becomes the mainstream technology of pipeline welding, and the oil-gas pipeline construction in China is developed towards high efficiency. The automatic welding of the pipeline is that the welding trolley moves around the pipe wall along the transmission track to automatically weld the outer circular seam of the pipeline, so that the welding efficiency can be effectively improved, and the labor intensity of a welder is reduced. The pipeline welding is the most important link in the pipeline construction process, not only is the most basic guarantee of the pipeline construction quality, but also the appearance of the pipeline after construction and forming is influenced.
There are currently devices for the automatic welding of pipes, however, these designs present the following problems and drawbacks: some devices cannot move autonomously, and the parts needing to be welded at each position need to be manually installed, so that time and labor are wasted; some devices degree of automation is not high, can't guarantee welding process's efficiency and welding quality, and whole height and volume are on the large side, and when the clearance between the pipeline was less, can collide with the pipeline on next door, lead to unable normal completion weldment work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil gas pipeline welding dolly's bonding tool mechanism, this oil gas pipeline welding dolly's bonding tool mechanism both can improve welded precision, can be applicable to the less welding scene of interval between the pipeline again.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a welding head mechanism of an oil-gas pipeline welding trolley comprises a welding gun, a first motor and a second motor which are arranged on a mounting seat, wherein the first motor and the second motor are both arranged in a shell;
the first motor and the second motor are arranged along the axial direction of the pipeline, an output shaft of the first motor is connected with a screw rod, a nut is sleeved on the screw rod, a driving rod is arranged in parallel with the screw rod, one end of the driving rod is connected with the nut through a connecting piece, and the other end of the driving rod extends out of the shell and is connected with an installation block for driving the installation block to move;
a first gear is mounted on an output shaft of the second motor, a second gear in meshed connection with the first gear is movably sleeved on a driving shaft, a tooth body is arranged on the inner wall of the second gear, a tooth groove matched with the tooth body on the inner wall of the second gear is formed in the outer surface of one end, provided with the second gear, of the driving shaft, so that the second gear can drive the driving shaft to rotate, the other end of the driving shaft penetrates through the mounting block and is rotatably connected with the mounting block through a bearing, a third gear is mounted at one end, penetrating through the mounting block, of the driving shaft, a vertically arranged rack is in meshed connection with the third gear and can move in the vertical direction, and the rack is connected with the mounting seat;
and a wire feeding nozzle is obliquely arranged on the mounting seat provided with the welding gun, and a welding wire from a wire feeding mechanism penetrates out of the wire feeding nozzle and is arranged adjacent to a tungsten electrode at the lower end of the welding gun.
The technical scheme of further improvement in the technical scheme is as follows:
preferably, the mounting base is provided with a first mounting block, a second mounting block is rotatably mounted at one end of the first mounting block through a first connecting shaft, the other end of the first mounting block is provided with a first knob, and one end of the first knob is connected with the second mounting block and used for driving the second mounting block to rotate around the first connecting shaft;
a third mounting block is rotatably mounted on the second mounting block through a second connecting shaft, a second knob is further mounted on the second mounting block, and one end of the second knob is connected with the third mounting block and used for driving the third mounting block to rotate around the second connecting shaft;
preferably, the second connecting shaft is arranged along the axial direction of the pipeline, the first connecting shaft which is horizontally arranged is perpendicular to the second connecting shaft, and the wire feeding nozzle is installed on the third installation block through a supporting seat.
Preferably, the first mounting block is connected with the mounting base through a mounting bar and a bolt which are vertically mounted on the mounting base.
Preferably, a strip-shaped hole is formed in the mounting strip in the vertical direction, and the bolt penetrates through the strip-shaped hole to be connected with the first mounting block.
Because of the application of the technical scheme, compared with the prior art, the utility model have following advantage and effect:
1. the utility model discloses welding head mechanism of oil gas pipeline welding dolly, it is when realizing the all-round automatic weld of pipeline circumference, improves welded efficiency and degree of automation, through the cooperation between each part, greatly reduced the height of the whole device, improved the compactness of structure for equipment presses close to the pipeline operation all the time in the use, both can improve the welded precision, can be applicable to the welding scene that the interval is less between the pipeline again; further, its first motor, second motor all set up along the axial of pipeline, be connected with a lead screw on the output shaft of first motor, the cover is equipped with a nut on the lead screw, a actuating lever with lead screw parallel arrangement, the one end of actuating lever is connected with the nut through a connecting piece, stretch out in the other end of actuating lever is from the casing to be connected with an installation piece, be used for the drive the installation piece removes, realizes the conversion of action through the connecting piece, makes each part all can press close to the pipeline tiling setting, has further reduced the welding operation of the height in order to be applicable to the little space of device.
2. The welding head mechanism of the oil and gas pipeline welding trolley is provided with the welding gun, the mounting seat of the welding gun is also obliquely provided with a wire feeding nozzle, the mounting seat is provided with a first mounting block, a second mounting block is rotatably arranged at one end of the first mounting block through a first connecting shaft, the other end of the first mounting block is provided with a first knob, one end of the first knob is connected with the second mounting block and is used for driving the second mounting block to rotate around the first connecting shaft, a third mounting block is rotatably arranged on the second mounting block through a second connecting shaft, the second mounting block is also provided with a second knob, one end of the second knob is connected with the third mounting block and is used for driving the third mounting block to rotate around the second connecting shaft, the second connecting shaft is arranged along the axial direction of the pipeline, the first connecting shaft is horizontally arranged and is vertical to the second connecting shaft, the wire feeding nozzle is arranged on the third mounting block through a supporting seat, the angle between the wire feeding nozzle and the tungsten electrode on the welding gun is adjusted through a compact structure, and the welding precision and quality are improved while the lower equipment height is ensured.
Drawings
FIG. 1 is a first structural schematic diagram of a welding head mechanism of the oil-gas pipeline welding trolley of the utility model;
FIG. 2 is a second structural schematic diagram of a welding head mechanism of the oil-gas pipeline welding trolley of the utility model;
FIG. 3 is a schematic view of a partial structure of a welding head mechanism of the oil-gas pipeline welding trolley of the utility model;
fig. 4 is the local structure cross-sectional view of the welding head mechanism of the oil gas pipeline welding trolley of the utility model.
In the above drawings: 1. a mounting seat; 2. a welding gun; 3. a wire feeding nozzle; 4. a tungsten electrode; 5. a first mounting block; 6. a second mounting block; 7. a first knob; 8. a third mounting block; 9. a first connecting shaft; 10. a second connecting shaft; 11. a second knob; 12. a supporting seat; 13. mounting a bar; 14. a bolt; 15. a strip-shaped hole; 17. a first motor; 18. a second motor; 20. a screw rod; 21. a nut; 22. a drive rod; 23. mounting blocks; 24. a first gear; 25. a second gear; 26. a drive shaft; 27. a third gear; 28. a rack; 29. a connecting member.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a welding head mechanism of an oil-gas pipeline welding trolley comprises a welding gun 2, a first motor 17 and a second motor 18 which are arranged on a mounting seat 1, wherein the first motor 17 and the second motor 18 are both arranged in a shell;
the first motor 17 and the second motor 18 are both arranged along the axial direction of the pipeline, an output shaft of the first motor 17 is connected with a screw rod 20, the screw rod 20 is sleeved with a nut 21, a driving rod 22 is arranged in parallel with the screw rod 20, one end of the driving rod 22 is connected with the nut 21 through a connecting piece 29, and the other end of the driving rod 22 extends out of the shell and is connected with an installation block 23 for driving the installation block 23 to move;
a first gear 24 is mounted on an output shaft of the second motor 18, a second gear 25 in meshed connection with the first gear 24 is movably sleeved on a driving shaft 26, a tooth body is arranged on the inner wall of the second gear 25, a tooth groove matched with the tooth body on the inner wall of the second gear 25 is arranged on the outer surface of one end, mounted with the second gear 25, of the driving shaft 26, so that the second gear 25 can drive the driving shaft 26 to rotate, the other end of the driving shaft 26 penetrates through the mounting block 23 and is rotatably connected with the mounting block 23 through a bearing, a third gear 27 is mounted on one end, penetrating through the mounting block 23, of the driving shaft 26, a vertically arranged rack 28 is in meshed connection with the third gear 27 and can move in the vertical direction, and the rack 28 is connected with the mounting seat 1;
the mounting seat 1 provided with the welding gun 2 is also obliquely provided with a wire feeding nozzle 3, and a welding wire from a wire feeding mechanism penetrates out of the wire feeding nozzle 3 and is arranged adjacent to a tungsten electrode 4 at the lower end of the welding gun 2.
The oil and gas pipeline welding trolley further comprises an annular track, a travelling mechanism and a wire feeding mechanism which are installed along the circumferential direction of the pipeline, the travelling mechanism, the welding head mechanism and the wire feeding mechanism are tiled along the circumferential direction of the pipeline, and the welding head mechanism and the wire feeding mechanism are connected with the travelling mechanism and can move along with the travelling mechanism in the circumferential direction of the pipeline.
A first mounting block 5 is mounted on the mounting base 1, a second mounting block 6 is rotatably mounted at one end of the first mounting block 5 through a first connecting shaft 9, a first knob 7 is mounted at the other end of the first mounting block 5, and one end of the first knob 7 is connected with the second mounting block 6 and is used for driving the second mounting block 6 to rotate around the first connecting shaft 9;
a third mounting block 8 is rotatably mounted on the second mounting block 6 through a second connecting shaft 10, a second knob 11 is further mounted on the second mounting block 6, and one end of the second knob 11 is connected with the third mounting block 8 and used for driving the third mounting block 8 to rotate around the second connecting shaft 10;
the second connecting shaft 10 is arranged along the axial direction of the pipeline, the first connecting shaft 9 which is horizontally arranged is vertical to the second connecting shaft 10, and the wire feeding nozzle 3 is arranged on a third mounting block 8 through a supporting seat 12;
the first mounting block 5 is connected with the mounting base 1 through a mounting bar 13 and a bolt 14 which are vertically mounted on the mounting base 1;
a strip-shaped hole 15 is formed in the mounting strip 13 along the vertical direction, and the bolt 14 penetrates through the strip-shaped hole 15 to be connected with the first mounting block 5.
Example 2: a welding head mechanism of an oil-gas pipeline welding trolley comprises a welding gun 2, a first motor 17 and a second motor 18 which are arranged on a mounting seat 1, wherein the first motor 17 and the second motor 18 are both arranged in a shell;
the first motor 17 and the second motor 18 are both arranged along the axial direction of the pipeline, an output shaft of the first motor 17 is connected with a screw rod 20, the screw rod 20 is sleeved with a nut 21, a driving rod 22 is arranged in parallel with the screw rod 20, one end of the driving rod 22 is connected with the nut 21 through a connecting piece 29, and the other end of the driving rod 22 extends out of the shell and is connected with an installation block 23 for driving the installation block 23 to move;
a first gear 24 is mounted on an output shaft of the second motor 18, a second gear 25 in meshed connection with the first gear 24 is movably sleeved on a driving shaft 26, a tooth body is arranged on the inner wall of the second gear 25, a tooth groove matched with the tooth body on the inner wall of the second gear 25 is arranged on the outer surface of one end, mounted with the second gear 25, of the driving shaft 26, so that the second gear 25 can drive the driving shaft 26 to rotate, the other end of the driving shaft 26 penetrates through the mounting block 23 and is rotatably connected with the mounting block 23 through a bearing, a third gear 27 is mounted on one end, penetrating through the mounting block 23, of the driving shaft 26, a vertically arranged rack 28 is in meshed connection with the third gear 27 and can move in the vertical direction, and the rack 28 is connected with the mounting seat 1;
the mounting seat 1 provided with the welding gun 2 is also obliquely provided with a wire feeding nozzle 3, and a welding wire from a wire feeding mechanism penetrates out of the wire feeding nozzle 3 and is arranged adjacent to a tungsten electrode 4 at the lower end of the welding gun 2.
A first mounting block 5 is mounted on the mounting base 1, a second mounting block 6 is rotatably mounted at one end of the first mounting block 5 through a first connecting shaft 9, a first knob 7 is mounted at the other end of the first mounting block 5, and one end of the first knob 7 is connected with the second mounting block 6 and is used for driving the second mounting block 6 to rotate around the first connecting shaft 9;
a third mounting block 8 is rotatably mounted on the second mounting block 6 through a second connecting shaft 10, a second knob 11 is further mounted on the second mounting block 6, and one end of the second knob 11 is connected with the third mounting block 8 and used for driving the third mounting block 8 to rotate around the second connecting shaft 10.
When the welding head mechanism of the oil and gas pipeline welding trolley is adopted, the automatic welding of the pipeline in the circumferential direction in all directions is realized, the welding efficiency and the automation degree are improved, meanwhile, the overall height of the device is greatly reduced and the structural compactness is improved through the matching of all parts, so that the equipment is always close to the pipeline to operate in the use process, the welding precision can be improved, and the welding head mechanism can be suitable for welding scenes with small intervals among the pipelines;
furthermore, the action conversion is realized through the connecting piece, so that all parts can be flatly laid close to the pipeline, and the height of the device is further reduced so as to be suitable for the welding operation in a small space;
furthermore, the angle between the wire feeding nozzle and the tungsten electrode on the welding gun is adjusted through a compact structure, and the welding precision and quality are improved while the lower equipment height is ensured.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. The utility model provides a welding head mechanism of oil gas pipeline welding dolly which characterized in that: the welding gun device comprises a welding gun (2), a first motor (17) and a second motor (18) which are arranged on a mounting seat (1), wherein the first motor (17) and the second motor (18) are both arranged in a shell;
the pipeline driving device comprises a first motor (17), a second motor (18) and a driving rod (22), wherein the first motor (17) and the second motor (18) are arranged along the axial direction of a pipeline, an output shaft of the first motor (17) is connected with a screw rod (20), the screw rod (20) is sleeved with a nut (21), the driving rod (22) is arranged in parallel with the screw rod (20), one end of the driving rod (22) is connected with the nut (21) through a connecting piece (29), and the other end of the driving rod (22) extends out of a shell and is connected with an installation block (23) and used for driving the installation block (23) to move;
a first gear (24) is mounted on an output shaft of the second motor (18), a second gear (25) in meshed connection with the first gear (24) is movably sleeved on a driving shaft (26), a tooth body is arranged on the inner wall of the second gear (25), a tooth groove matched with the tooth body on the inner wall of the second gear (25) is arranged on the outer surface of one end, provided with the second gear (25), of the driving shaft (26), so that the second gear (25) can drive the driving shaft (26) to rotate, the other end of the driving shaft (26) penetrates through the mounting block (23) and is rotatably connected with the mounting block (23) through a bearing, a third gear (27) is mounted on one end, penetrating through the mounting block (23), of the driving shaft (26), and a vertically arranged rack (28) is in meshed connection with the third gear (27) and can move in the vertical direction, the rack (28) is connected with the mounting seat (1);
the welding gun is characterized in that a wire feeding nozzle (3) is obliquely arranged on the mounting seat (1) provided with the welding gun (2), and a welding wire from a wire feeding mechanism penetrates out of the wire feeding nozzle (3) and is arranged close to a tungsten electrode (4) at the lower end of the welding gun (2).
2. The welding head mechanism of the oil and gas pipeline welding tractor according to claim 1, wherein: a first mounting block (5) is mounted on the mounting base (1), a second mounting block (6) is rotatably mounted at one end of the first mounting block (5) through a first connecting shaft (9), a first knob (7) is mounted at the other end of the first mounting block (5), one end of the first knob (7) is connected with the second mounting block (6) and used for driving the second mounting block (6) to rotate around the first connecting shaft (9);
a third mounting block (8) is rotatably mounted on the second mounting block (6) through a second connecting shaft (10), a second knob (11) is further mounted on the second mounting block (6), and one end of the second knob (11) is connected with the third mounting block (8) and used for driving the third mounting block (8) to rotate around the second connecting shaft (10);
the second connecting shaft (10) is arranged along the axial direction of the pipeline, the first connecting shaft (9) is horizontally arranged and perpendicular to the second connecting shaft (10), and the wire feeding nozzle (3) is installed on the third installation block (8) through a supporting seat (12).
3. The welding head mechanism of the oil and gas pipeline welding tractor according to claim 2, characterized in that: the first mounting block (5) is connected with the mounting base (1) through a mounting bar (13) and a bolt (14) which are vertically mounted on the mounting base (1).
4. The welding head mechanism of the oil and gas pipeline welding tractor according to claim 3, wherein: a strip-shaped hole (15) is formed in the mounting bar (13) in the vertical direction, and the bolt (14) penetrates through the strip-shaped hole (15) to be connected with the first mounting block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199965.XU CN215238441U (en) | 2021-06-01 | 2021-06-01 | Welding head mechanism of oil-gas pipeline welding trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199965.XU CN215238441U (en) | 2021-06-01 | 2021-06-01 | Welding head mechanism of oil-gas pipeline welding trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215238441U true CN215238441U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199965.XU Active CN215238441U (en) | 2021-06-01 | 2021-06-01 | Welding head mechanism of oil-gas pipeline welding trolley |
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|---|---|
| CN (1) | CN215238441U (en) |
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2021
- 2021-06-01 CN CN202121199965.XU patent/CN215238441U/en active Active
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