CN112676739B - Stretching-in type welding device - Google Patents
Stretching-in type welding device Download PDFInfo
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- CN112676739B CN112676739B CN202011498449.7A CN202011498449A CN112676739B CN 112676739 B CN112676739 B CN 112676739B CN 202011498449 A CN202011498449 A CN 202011498449A CN 112676739 B CN112676739 B CN 112676739B
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Abstract
The invention discloses a stretching-in type welding device which comprises a main body and a driving body, wherein the main body and the driving body are both cylindrical, the rear end face of the main body is butted with the front end face of the driving body, the main body can rotate relative to the driving body, a rectangular groove is formed in the side surface of the main body, a first servo motor is fixedly installed in the groove, a rotating shaft of the first servo motor is fixedly provided with a rotating disc, the edge of the rotating disc is fixedly connected with one end of a driving rod, the rotating shaft of the first servo motor drives the rotating disc to rotate forwards or backwards, the other end of the driving rod is fixedly connected with a welding gun, an illuminating lamp is fixedly installed in the groove, and a switch is arranged on the illuminating lamp and a button battery is configured on the illuminating lamp. The invention has the advantages that the welding work inside the pipeline can be finished by an electric control means, the inner diameter change of the pipeline can be automatically adapted, and the stable welding quality is kept.
Description
Technical Field
The invention relates to the technical field of stretching-in welding, in particular to a stretching-in welding device.
Background
The reason for this is that the long pipelines used in the oil drilling and chemical industry require to reduce the number of welding joints as much as possible to avoid safety risks, need complete pipes with longer lengths, and meanwhile, in order to deal with corrosion media in working conditions and prolong the service life of equipment, corrosion-resistant alloy coatings with certain thicknesses need to be welded in the pipes. Because the whole pipe is long, the pipe needs to be welded in a stretching-in welding mode, and how to realize the welding of the welding mechanism in the pipe and how to solve the technical problems that how to realize automatic welding when the inner diameter of the pipe is changed are needed to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to solve the problems and designs a stretching-in type welding device.
A reach-in welding device comprises a main body and a driving body, wherein the main body and the driving body are both cylindrical in shape, the rear end surface of the main body is butted with the front end surface of the driving body, the main body can rotate relative to the driving body,
the improved multifunctional electric welding machine is characterized in that a rectangular groove is formed in the side surface of the main body, a first servo motor is fixedly installed in the groove, a rotary disc is fixedly installed on a rotary shaft of the first servo motor, the edge of the rotary disc is fixedly connected with one end of a driving rod, the rotary shaft of the first servo motor drives the rotary disc to rotate forwards or backwards, a welding gun is fixedly connected with the other end of the driving rod, an illuminating lamp is fixedly installed in the groove, a switch is arranged on the illuminating lamp and is provided with a button battery, the front end face of the main body is a spherical face, a plurality of mounting grooves are formed in the side surface of the main body, a limiting ring is fixedly installed at the port of each mounting groove, a supporting leg penetrates through the limiting ring, the supporting leg is in interference fit with an inner hole of the limiting ring, one end of the supporting leg is located in each mounting groove, one end of the supporting leg is fixedly connected with the limiting plate, the limiting plate is perpendicular to the length direction of the supporting leg, the area of the limiting plate is larger than that of the end face of the supporting leg, the other end of the supporting leg is located outside the mounting groove, a universal wheel is installed at the other end of the supporting leg, a baffle is located on the supporting leg, the mounting groove, a spring is located outside the mounting groove, a spring is sleeved on the mounting groove, a cylindrical straight line of the connecting shaft, a cylindrical protrusion is arranged on the cylindrical connecting shaft, a connecting shaft, and a connecting shaft is arranged on the cylindrical protrusion of the connecting shaft;
the front surface of the driving body is provided with a notch, a bearing is installed in the notch, a connecting groove is formed in the center of the notch, a servo motor II is fixedly installed in the driving body, a rotating shaft of the servo motor II stretches into the connecting groove, a cylindrical bulge on the end face of the rear end of the main body is inserted into the notch, the connecting shaft I is inserted into the connecting groove, the cylindrical bulge and the bearing in the notch form interference fit, the connecting shaft I is connected with the rotating shaft of the servo motor II through a coupler, the central line of the rotating shaft of the servo motor II, the central line of the connecting shaft I and the central line of the connecting groove are all located on the same straight line, a plurality of openings are formed in the rear surface of the driving body, a connecting shaft II is arranged in each opening, a mounting support is arranged on the connecting shaft II, one end of the support is sleeved on the connecting shaft II, the support rotates around the connecting shaft II, the other end of the support is provided with an electric wheel, a reset spring is arranged on the connecting shaft II, the reset spring drives the support to rotate outwards the driving body, and a traction rope is fixedly connected to the rear surface of the driving body.
The electric wheels are wheels of the electric scooter, and the electric wheels rotate synchronously in the positive direction under the control of a matched controller.
The angle of the support overturned under the drive of the return spring is not more than ninety degrees.
The mounting grooves are arranged on the same circular shaft at equal intervals around the main body, the circumferential surface where the mounting grooves are located is perpendicular to the center line of the main body, and the number of the mounting grooves is four.
The rotating shaft of the servo motor I drives the turntable to rotate forward or reversely, the angle of the turntable does not exceed ninety degrees, and the included angle between the nozzle of the welding gun and the driving rod is forty-five degrees.
Still fixed mounting camera in the recess, the camera passes through LAN and is connected with intelligent terminal and to intelligent terminal transmission video picture.
The driving rod is perpendicular to the side surface of the main body, the limiting plates and the baffle plates are circular plates, and the diameter of each limiting plate is twice that of the driving rod.
The opening is located the rear end face edge of driving body, the rear end face and the side surface of opening intercommunication driving body, the opening is along the equal angular distribution of the edge of driving body rear end face, the quantity of opening is four.
The first servo motor and the second servo motor are controlled by servo motor controllers matched with the first servo motor and the second servo motor, and the welding gun is provided with a corresponding circuit, a corresponding gas circuit and a corresponding control switch.
Advantageous effects
The stretching-in type welding device manufactured by the technical scheme of the invention has the following advantages:
1. the device realizes the technical process of moving in the pipeline through the electric vehicle wheels and the universal wheels, utilizes the electric vehicle wheel driving device to move forwards and utilizes the traction rope to pull the device to move backwards, and the whole moving process can complete the stretching-in type welding work without the assistance of a traditional long rod or a guide rail; meanwhile, the whole pipeline is kept stable by using the mode that the supporting legs are driven by the springs and the support is driven by the reset spring, so that the stability of the welding process is effectively ensured;
2. this device drives the actuating lever every single move and utilizes two drive subject pivoted modes of servo motor to adjust welder's position through servo motor one to the realization is according to the intraductal condition to control welder's welding angle and welding position's technological effect, and it is more intelligent to let the welding mode, and is more nimble.
Drawings
FIG. 1 is a schematic view of a plunge welding apparatus in accordance with the present invention;
FIG. 2 is a schematic view of a plunge welding apparatus of the present invention with the body and drive body separated;
FIG. 3 is a schematic structural view of the front end face of the main body according to the present invention;
fig. 4 is a schematic structural view of a rear end surface of the driving body according to the present invention;
in the figure, 1, main body; 2. a drive body; 3. a groove; 4. a first servo motor; 5. a turntable; 6. a drive rod; 7. a welding gun; 8. an illuminating lamp; 9. mounting grooves; 10. a limiting ring; 11. a support leg; 12. a limiting plate; 13. a universal wheel; 14. a baffle plate; 15. a spring; 16. a protrusion; 17. connecting a shaft I; 18. a recess; 19. a bearing; 20. connecting grooves; 21. a servo motor II; 22. a coupling; 23. opening; 24. a second connecting shaft; 25. a support; 26. an electric vehicle wheel; 27. a return spring; 28. and (6) pulling the rope.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in FIGS. 1-4;
the utility model discloses a creation point lies in, be equipped with the recess 3 of rectangle on the side surface of main part, fixed mounting servo motor one 4 in the recess, fixed mounting carousel 5 in the pivot of servo motor one, the edge of carousel and the one end fixed connection of actuating lever 6, the pivot of servo motor one drives the carousel and is corotation or reversal, the other end fixed connection welder 7 of actuating lever, still fixed mounting light 8 in the recess, be equipped with the switch on the light and dispose button cell, the preceding terminal surface of main part is spherical, be equipped with a plurality of mounting grooves 9 on the side surface of main part, the port department fixed mounting spacing ring 10 of mounting groove, be equipped with landing leg 11 on the spacing ring, the landing leg runs through the spacing ring, the landing leg forms interference fit with the hole of spacing ring, the one end of landing leg is located the mounting groove, the one end fixed connection limiting plate 12 of landing leg, the limiting plate is perpendicular with the landing leg length direction, the area of limiting plate is greater than the area of landing leg one end terminal surface, the other end of landing leg is located the mounting groove, install universal wheel 13 on the other end of landing leg, fixed mounting baffle 14 on the landing leg, the baffle is located the mounting groove, the landing leg overcoat, the spring is equipped with the spring 15 on the spring is located the spring mounting groove, the spring 15 and the spring is located the cylindrical spring connecting axle of the connecting axle, the cylindrical spring connecting axle is connected with the cylindrical spring 16, the connecting axle of the cylindrical spring center line of the connecting axle, the cylindrical spring 17, the cylindrical spring is connected with the connecting axle of the cylindrical spring center line of the cylindrical spring, the cylindrical spring center line of the cylindrical center line of the spacing ring, the connecting axle;
the utility model provides a creation point still lies in, is equipped with notch 18 on the front surface of driving body, installation bearing 19 in the notch, the central point of notch puts and is equipped with spread groove 20, drive internal fixed mounting servo motor two 21, servo motor two's pivot is stretched into in the spread groove, cylindrical protrusion on the main part rear end terminal surface inserts the notch, connecting axle one inserts the spread groove, cylindrical protrusion forms interference fit with the intraoral bearing of notch, connecting axle one is connected through shaft coupling 22 and servo motor two's pivot, the central line of central line, connecting axle one of servo motor two pivots and the central line of spread groove all are located same straight line, be equipped with a plurality of openings 23 on the rear surface of driving body, be equipped with connecting axle two 24 in the opening, installing support 25 on the connecting axle two, the pot head of support is on connecting axle two, the support rotates around connecting axle two, the other end installation motor wheel 26 of support, be equipped with reset spring 27 on the connecting axle two, reset spring drive support rotates outward, the driving body on the rear surface on fixed connection haulage rope 28.
The electronic device adopted by the technical scheme comprises:
the servo motor I and a servo motor controller matched with the servo motor I are adopted;
a servo motor II and a servo motor controller matched with the servo motor II;
the welding gun and a gas circuit, a circuit and a control switch which are matched with the welding gun;
the camera is a termite camera;
the illuminating lamp is an LED lamp panel;
the electric wheel adopts the wheel of an electric scooter, and the wheel of the electric scooter is connected with a matched controller;
the electronic devices are all existing products, the technical scheme of the application has no special requirements and changes on the structures of the electronic devices, and the electronic devices all belong to conventional electronic equipment;
in the implementation process of the technical scheme, a person in the art needs to connect all the electrical components in the present application with a power supply adapted to the electrical components through a wire, and should select an appropriate controller according to actual conditions to meet control requirements, and specific connection and control sequence.
The electric scooter is characterized in that the electric wheels are wheels of the electric scooter, and the electric wheels rotate synchronously forward under the control of a matched controller; the angle of the bracket turned over under the drive of the return spring does not exceed ninety degrees; the mounting grooves are arranged on the same circular shaft at equal intervals around the main body, the circumferential surface where the mounting grooves are located is vertical to the central line of the main body, and the number of the mounting grooves is four; the rotating shaft of the servo motor I drives the turntable to rotate forwards or reversely by no more than ninety degrees, and the included angle between the nozzle of the welding gun and the driving rod is forty-five degrees; a camera is fixedly arranged in the groove and is connected with the intelligent terminal through a local area network and transmits video pictures to the intelligent terminal; the driving rod is perpendicular to the side surface of the main body, the limiting plate and the baffle are circular plates, and the diameter of the limiting plate is twice of that of the driving rod; the driving body is provided with openings, the openings are located on the edge of the rear end face of the driving body and are communicated with the rear end face and the side surface of the driving body, the openings are distributed along the edge of the rear end face of the driving body at equal angles, and the number of the openings is four; the first servo motor and the second servo motor are controlled by servo motor controllers matched with the first servo motor and the second servo motor, and the welding gun is provided with a corresponding circuit, a corresponding gas circuit and a corresponding control switch.
In the implementation process of the technical scheme, if the diameter of the pipeline is larger, when the internal condition of the pipeline can be observed through a pipeline port, the supporting legs are compressed firstly, the universal wheels and the front half part of the main body extend into the pipeline, then the supporting legs are released, the illuminating lamp is turned on, the universal wheels are supported on the inner wall of the pipeline, then the whole device is pushed into the pipeline, and the electric wheels on the support are in contact with the inner wall of the pipeline; the electric wheels are started through the controller of the electric wheels, the four electric wheels synchronously rotate to push the whole device to reach a welding position along a pipeline, then the main body is driven to rotate by the servo motor II, the welding gun is aligned to the inner wall to be welded through the servo motor I, and the welding gun is started to weld the inner arm at the position.
If the diameter of the pipeline is small, the pipeline is long, and the internal condition of the pipeline cannot be observed through a pipeline port, a camera is installed in the groove, the supporting legs are compressed, the universal wheels and the front half part of the main body extend into the pipeline, then the supporting legs are released, the illuminating lamp is turned on, the universal wheels are supported on the inner wall of the pipeline, the whole device is pushed into the pipeline, and the electric wheels on the support are in contact with the inner wall of the pipeline; the controller through the electric wheel starts the electric wheel, the four electric wheels rotate synchronously to push the whole device to reach a welding position along a pipeline, then a camera is used for collecting images of the inner wall of the pipeline and transmitting the images to a mobile phone or an IPAD, a worker uses the servo motor two driving main bodies to rotate according to the real-time images and aligns a welding gun to the inner wall needing welding through the servo motor one, the welding gun is started to weld the inner arm at the position, and the whole device is pulled out of the pipeline through a traction rope after welding is completed.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the same.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. A plunge welding apparatus comprising a body (1) and a drive body (2), both of cylindrical shape, a rear end face of the body abutting a front end face of the drive body, the body being rotatable relative to the drive body,
the side surface of the main body is provided with a rectangular groove (3), a servo motor I (4) is fixedly arranged in the groove, a rotary disc (5) is fixedly arranged on a rotary shaft of the servo motor I, the edge of the rotary disc is fixedly connected with one end of a driving rod (6), the rotary shaft of the servo motor I drives the rotary disc to rotate forwards or backwards, the other end of the driving rod is fixedly connected with a welding gun (7), an illuminating lamp (8) is also fixedly arranged in the groove, a switch is arranged on the illuminating lamp and provided with a button battery, the front end surface of the main body is a spherical surface, a plurality of mounting grooves (9) are arranged on the side surface of the main body, a limiting ring (10) is fixedly arranged at the port of each mounting groove, a support leg (11) is arranged on each limiting ring, and the support leg penetrates through each limiting ring, the landing leg and the inner hole of the limiting ring form interference fit, one end of the landing leg is positioned in the mounting groove, one end of the landing leg is fixedly connected with a limiting plate (12), the limiting plate is perpendicular to the length direction of the landing leg, the area of the limiting plate is larger than the area of the end face of one end of the landing leg, the other end of the landing leg is positioned outside the mounting groove, the other end of the landing leg is provided with a universal wheel (13), the landing leg is fixedly provided with a baffle (14), the baffle is positioned outside the mounting groove, the landing leg is sleeved with a spring (15), the spring is positioned between the baffle and the limiting ring, one end of the spring is fixedly connected with the baffle, the other end of the spring is fixedly connected with the limiting ring, the end face of the rear end of the main body is provided with a cylindrical bulge (16), the cylindrical protrusion is provided with a first connecting shaft (17), and the center line of the first connecting shaft and the center line of the cylindrical protrusion are positioned on the same straight line;
be equipped with notch (18) on the front surface of driving body, installation bearing (19) in the notch, the central point of notch puts and is equipped with spread groove (20), fixed mounting servo motor two (21) in the driving body, the pivot of servo motor two stretches into in the spread groove, cylindrical protrusion on the main part rear end terminal surface inserts the notch, connecting axle one inserts the spread groove, cylindrical protrusion forms interference fit with the intraoral bearing of notch, connecting axle one is connected through shaft coupling (22) and servo motor two's pivot, the central line of two pivots of servo motor, the central line of connecting axle one and the central line of spread groove all are located same straight line, be equipped with a plurality of openings (23) on the rear surface of driving body, be equipped with connecting axle two (24) in the opening, installing support (25) on the connecting axle two, the pot head of support rotates on connecting axle two, the support rotates around connecting axle two, the other end installation motorcar wheel (26) of support, be equipped with reset spring (27) on the connecting axle two, reset spring drive support rotates outward, fixed connection haulage rope (28) on the rear surface of driving body.
2. The reach-in welding device according to claim 1, wherein the electric wheel is a wheel of an electric scooter, and the electric wheel rotates forward and backward synchronously under the control of a controller.
3. The reach-in welding device of claim 1, wherein the angle through which the carriage is turned under the drive of the return spring does not exceed ninety degrees.
4. The reach-in welding device as set forth in claim 1, wherein the mounting grooves are arranged on the same circular axis at equal intervals around the main body, the circumferential surface of the mounting grooves is perpendicular to the center line of the main body, and the number of the mounting grooves is four.
5. The reach-in welding device of claim 1, wherein the angle of the rotating shaft of the servo motor I for driving the turntable to rotate forward or backward is not more than ninety degrees, and the included angle between the nozzle of the welding gun and the driving rod is forty-five degrees.
6. The reach-in welding device according to claim 1, wherein a camera is further fixedly installed in the groove, and the camera is connected with the intelligent terminal through a local area network and transmits video pictures to the intelligent terminal.
7. The reach-in welding apparatus according to claim 1, wherein the driving rod is perpendicular to a side surface of the main body, the limiting plate and the baffle are circular plates, and the diameter of the limiting plate is twice the diameter of the driving rod.
8. The reach-in welding device according to claim 1, wherein the notches are located on an edge of a rear end surface of the driving body, the notches communicate between the rear end surface and a side surface of the driving body, the notches are equiangularly distributed along the edge of the rear end surface of the driving body, and the number of the notches is four.
9. The reach-in welding device according to claim 1, wherein the first servomotor and the second servomotor are both controlled by a servomotor controller associated therewith, and the welding gun is equipped with corresponding electrical circuits, gas circuits and control switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498449.7A CN112676739B (en) | 2020-12-17 | 2020-12-17 | Stretching-in type welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498449.7A CN112676739B (en) | 2020-12-17 | 2020-12-17 | Stretching-in type welding device |
Publications (2)
| Publication Number | Publication Date |
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| CN112676739A CN112676739A (en) | 2021-04-20 |
| CN112676739B true CN112676739B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011498449.7A Active CN112676739B (en) | 2020-12-17 | 2020-12-17 | Stretching-in type welding device |
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| CN (1) | CN112676739B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114986053A (en) * | 2022-07-05 | 2022-09-02 | 浙江科技学院 | Metal tube inner wall welded structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2920105B1 (en) * | 2007-08-21 | 2010-02-05 | Saipem Sa | PROCESS FOR PROCESSING STEEL DRIVING WELDS INCLUDING THE DRYING OF WELDS WITHIN THE DRIVING |
| CN203495454U (en) * | 2013-09-23 | 2014-03-26 | 北京石油化工学院 | Large-diameter pipeline automatic welding apparatus |
| CN109702400A (en) * | 2019-02-22 | 2019-05-03 | 洛阳德平科技股份有限公司 | A kind of pipeline side drive formula all-position automatic welding technology running gear for trolley |
| CN110455992A (en) * | 2019-08-01 | 2019-11-15 | 安徽赛安安全设备有限责任公司 | Pipeline gas detection device |
| CN111571081B (en) * | 2020-06-01 | 2022-05-27 | Dig自动化工程（武汉）有限公司 | Pipeline inner wall welding robot |
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