CN101537553B - Welding joint conveying device on inner surface of piping - Google Patents

Welding joint conveying device on inner surface of piping Download PDF

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Publication number
CN101537553B
CN101537553B CN 200810084023 CN200810084023A CN101537553B CN 101537553 B CN101537553 B CN 101537553B CN 200810084023 CN200810084023 CN 200810084023 CN 200810084023 A CN200810084023 A CN 200810084023A CN 101537553 B CN101537553 B CN 101537553B
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mentioned
pipe arrangement
welding
motor
length direction
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CN101537553A (en
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杨埈锡
金太龙
刘承英
崔锡淳
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Korea Atomic Energy Research Institute KAERI
Korea Electric Power Corp
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Korea Atomic Energy Research Institute KAERI
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Abstract

The invention provides a welding joint conveying device on the inner surface of a piping. The length of a fixing part can be adjusted according to the size of the piping, and the device does not need to be remanufactured according to the size of the piping, so the cost can be lowered; and the device is not related with a manufacturing factory of welding joints, so the installation becomes easy, and the using range can be greatly enlarged. The device comprises a linkage chuck used as a main body, a fixing part for fixing the main body inside the piping, a rotary drive motor for generating power required by welding the piping along the circumferential direction, a rotary drive part for transferring the power of the rotary drive motor to a rotary cover, the rotary cover rotating along the circumferential direction of the piping, a rotary part mounting rod connected with the rotary cover, a back-and-forth conveying motor for generating power required by welding the piping along the length direction, a drive part for transferring the power of the back-and-forth conveying motor to the length direction of a welding joint part, the welding joint part moving along the length direction of the piping, a motor controller, a wireless camera, a wireless receiving part, a camera controller, and a display part.

Description

The welding joint conveying device of pipe arrangement inner surface
Technical field
The present invention relates to a kind of welding joint conveying device of pipe arrangement inner surface, it can carry out the welding joint conveying device of pipe arrangement inner surface of the interior welds of main pipe arrangement that is atomic pile coolant pipe jointing part when relating to a kind of replacing construction at steam generator that nuclear electric power generation is carried out.
Background technology
Usually, nuclear electric power generation steam generator be to produce in the most important core machine of steam required in the power generation one by steam turbine and generator, it is the equipment that functions as follows, that is: flow through the inner surface of pipe by the high temperature that includes the radiant that is generated by atomic pile, the primary cooling water (PRIMARY COOLANT) of high pressure, the colder water supply (FEED WATER) of aforementioned tube outside is heated and is produced steam, afterwards with this steam supply to turbine.
When the replacing construction of carrying out above-mentioned steam generator, because welding is the operation of carrying out after above-mentioned steam generator action, therefore around it, be restricted by the alpha-contamination lower activity duration of operating environment described above, and, the people who carries out operation in this operating environment must wear the larger and heavier protector of volume, therefore action, sight line and work capacity are very restricted, thereby are in fact just developing recently a kind of welding conveying device be used to carrying out operation described above.
The welding joint conveying device of track mode in the past, owing to being a kind ofly to make above-mentioned plumb joint along the mode of rail moving, so when above-mentioned plumb joint or above-mentioned orbit modification are other patterns, can't carry out combination each other, require to transform the problem that maybe can't use thereby exist.
In addition, welder in the past is the device that utilizes the circuit orbit of inner surface to carry welded header and weld, the function of above-mentioned welded header not being carried along the length direction of pipe arrangement, and when track is installed, after sealing wire is correctly installed, above-mentioned welded header is welded along sealing wire.
Thus, the correctly operation of attachment rail is pretty troublesome, and during the sliding phenomenon when occuring by the caused conveying of the friction mode of above-mentioned track and plumb joint, can't adjust it, and has the problem of failure welding.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of welding joint conveying device of pipe arrangement inner surface, it can regulate according to the size of pipe arrangement the length of above-mentioned fixed part, and need not again to make in addition said apparatus according to the size of pipe arrangement, therefore can decrease cost, and with the manufacturing firm of above-mentioned plumb joint installation is become easily, and can greatly enlarge the scope of application.
In addition, another object of the present invention is to provide the welding joint conveying device of pipe arrangement inner surface, it is by carrying welded header along the length direction of pipe arrangement, and constitute and to rotate in a circumferential direction along pipe arrangement, and the welding gun aligning sealing wire of above-mentioned welded header is easily adjusted, and carry out more correct welding.
Another purpose of the present invention is to provide the operating state that utilizes camera to monitor machine, and can observe the welding joint conveying device of the pipe arrangement inner surface whether the cable distortion occurs.
As the mechanism for achieving the above object, formation of the present invention comprises: as the interlock chuck of main body; Be installed on above-mentioned interlock chuck also for the fixed part that aforementioned body is fixed in the pipe arrangement; Generation is along the rotation drive motor of the required power of the circumferential welding of pipe arrangement; The transmission of power of above-mentioned rotation drive motor is arrived the rotary driving part of above-mentioned swivelling cover; Protect above-mentioned rotary driving part and form in the mode of conveying device that length direction is installed, and come power and along the swivelling cover that rotates in a circumferential direction of pipe arrangement from above-mentioned rotary driving part transmission; The rotating part mounting rod (Bar) that is connected with above-mentioned swivelling cover; Generation is carried motor along the front and back of the required power of the length direction welding of pipe arrangement; Above-mentioned front and back are carried the transmission of power of motor to the drive division of the length direction of above-mentioned welded header; Be provided with welding gun and camera, and come power and the welded header that moves along the length direction of pipe arrangement from the drive division transmission of above-mentioned length direction; Be used for controlling the motor controller of above-mentioned rotation drive motor and front and back conveying motor; Be arranged at the medial surface of pipe arrangement and be used for the wireless camera whether the supervision cable is distorted; Be used for the wireless receiving section by the image of the above-mentioned wireless camera of wireless receiving; Be used for controlling the controller of camera of above-mentioned camera and wireless receiving section; Be used for the display part that control by above-mentioned controller of camera represents the inner case of the welding situation of above-mentioned welding gun and above-mentioned pipe arrangement.
The invention is characterized in, the formation of above-mentioned rotary driving part comprises: be arranged at the pinion 15-1 on the rotating shaft of above-mentioned rotation drive motor; Be arranged on the above-mentioned swivelling cover and the master gear 15-2 of being combined with above-mentioned pinion.
The invention is characterized in, above-mentioned fixed part fixedly becomes easily and make, and forms the length that can regulate according to the size of pipe arrangement above-mentioned fixed part, and can irrespectively be suitable for the size of pipe arrangement by forming in the mode that is installed on above-mentioned interlock chuck.
In addition, the invention is characterized in, above-mentioned fixed part is equipped with a plurality of and is stably fixed.
On the other hand, the invention is characterized in, above-mentioned rotation drive motor and above-mentioned front and back carry motor by far distance controlled, and reversibly speed are regulated.
In addition, the invention is characterized in, above-mentioned welded header forms in the mode that links to each other with bonding machine and weld at a distance, and above-mentioned welded header is formed with a plurality of cameras centered by above-mentioned welding gun, and can confirm the welding situation by display part.
Here, the invention is characterized in, above-mentioned camera is by far distance controlled, and uses caused overheatedly for a long time in order to prevent, links to each other with the coolant pump that makes cooling water circulation.
The formation of the drive division of above-mentioned length direction comprises: the helical axis of carrying motor to rotate by above-mentioned front and back; Welded header is installed, and is combined with above-mentioned helical axis spiral and nut bracket that above-mentioned helical axis is moved; The guide shaft that is set up abreast with above-mentioned helical axis; Be arranged at the axle supporting on the above-mentioned guide shaft.
The invention is characterized in, above-mentioned rotary driving part is supported by the fixed head that is installed on above-mentioned interlock chuck.
The pipe arrangement inner surface welding joint conveying device that the present invention relates to, can regulate according to the pipe arrangement size length of above-mentioned fixed part, therefore need not again to make in addition said apparatus according to the size of pipe arrangement, thereby can decrease cost, and can irrespectively make with the manufacturing firm of above-mentioned plumb joint to install to become easily, thereby can greatly enlarge the scope of application.
In addition, the welding joint conveying device of above-mentioned pipe arrangement inner surface is carried welded header along the length direction of pipe arrangement, and constitute can rotating in a circumferential direction along pipe arrangement, at an easy rate the welding gun of above-mentioned welded header is aimed at sealing wire thus and adjust, therefore can carry out more accurate welding.
Description of drawings
Fig. 1 is the whole pie graph of the welding joint conveying device of the pipe arrangement inner surface that relates to of expression one embodiment of the invention.
Fig. 2 is the right view of the welding joint conveying device that relates to of expression one embodiment of the invention.
Fig. 3 is the left side stereogram of the welding joint conveying device that relates to of expression one embodiment of the invention.
Fig. 4 be expression one embodiment of the invention relate to want section's cutaway view along what pipe arrangement rotated in a circumferential direction.
Fig. 5 be expression one embodiment of the invention relate to want section's cutaway view along what the piping length direction was carried.
Fig. 6 is expression one embodiment of the invention stereograms that relate to, that be installed on the conveying device along its length of the plumb joint on the swivelling cover.
Wherein symbol description is as follows:
1... pipe arrangement; 3... interlock chuck; 5... fixed part; 7... welded header; 9... welding gun; 11... camera; 13... rotation drive motor; 15... rotary driving part; 15-1... pinion; 15-2... master gear; 16... fixed head; 17... swivelling cover; 19... rotating part mounting rod; 21... motor is carried in front and back; 23... the drive division of length direction; 23-1... helical axis; 23-2,23-3... guide shaft; 23-4... nut bracket; 24... power belt; 25... plumb joint installing plate; 31-1,31-2,31-3, the supporting of 31-4... axle; 33... motor controller; 35... bonding machine; 37... welding controller; 39... display part; 41... controller of camera.
The specific embodiment
Below, with reference to accompanying drawing one embodiment of the invention are elaborated.
Referring to figs. 1 through Fig. 6, the formation of the welding joint conveying device of the pipe arrangement inner surface that one embodiment of the invention relate to comprises: as the interlock chuck 3 of main body; Be installed on above-mentioned interlock chuck 3 also for the fixed part 5 that aforementioned body is fixed in the pipe arrangement 1; The rotation drive motor 13 of required power is circumferentially welded on the edge that produces pipe arrangement 1; The transmission of power of above-mentioned rotation drive motor 13 is arrived the rotary driving part 15 of above-mentioned swivelling cover 17; Protect above-mentioned rotary driving part 15 and form in the mode of conveying device that length direction is installed, and transmit power and along the swivelling cover that rotates in a circumferential direction 17 of pipe arrangement 1 from above-mentioned rotary driving part 15; The rotating part mounting rod 19 that is connected with above-mentioned swivelling cover 17; Motor 21 is carried in the front and back of welding along its length required power that produce pipe arrangement 1; Above-mentioned front and back are carried the transmission of power of motor 21 to the drive division 23 of the length direction of above-mentioned welded header 7; Be provided with welding gun 9 and camera 11, and transmit power and the welded header 7 that moves along the length direction of pipe arrangement 1 from the drive division 15 of above-mentioned length direction; Be used for controlling the motor controller 33 of above-mentioned rotation drive motor 13 and front and back conveying motor 21; Be arranged at the medial surface of pipe arrangement 1 and be used for the wireless camera 12 whether the supervision cable is distorted; Be used for the wireless receiving section 40 by the image of the above-mentioned wireless camera 12 of wireless receiving; Be used for controlling the controller of camera 41 of above-mentioned camera 11 and wireless receiving section 40; Be used for the display part 39 that control by above-mentioned controller of camera 41 represents the inner case of the welding situation of above-mentioned welding gun 9 and above-mentioned pipe arrangement 1; Be used for driving the bonding machine 35 of above-mentioned welding gun 9; Be used for controlling the welding controller 37 of above-mentioned bonding machine 35.
Below, each formation is elaborated respectively.
Above-mentioned interlock chuck 3 is following a kind of chucks, even rotates a handles, and then 3 claws (JAW) are all mobile equidistantly simultaneously, and the workpiece of regular shape is fixed, and form as main body and can be fixed in pipe arrangement 1.
Above-mentioned fixed part 5 forms and can be installed on above-mentioned interlock chuck 3 and fixing comparatively easy, and form the length of regulating above-mentioned fixed part 5 according to the size of above-mentioned pipe arrangement 1, and can be irrespectively applicable with the size of above-mentioned pipe arrangement 1, and form a plurality of and can carry out stable fixing.
Above-mentioned rotation drive motor 13 produce to be used for along the power of the circumferential welding of above-mentioned pipe arrangement 1, and carries out far distance controlled by motor controller 33, and forms reversibly speed is regulated.
Here, said motor controller 33 can form free voltage controller (FREEVOLTAGE CONTROLLER).
The formation of above-mentioned rotary driving part 15 comprises: be arranged at the pinion 15-1 on the rotating shaft of above-mentioned rotation drive motor 13; Be arranged on the above-mentioned swivelling cover 17 and the master gear 15-2 of being combined with above-mentioned pinion.
The above-mentioned rotary driving part 15 of above-mentioned swivelling cover 17 protections, and form the conveying device that can come via rotating part mounting rod 19 the installation length direction, the material of above-mentioned swivelling cover 17 must make and arrange easily, therefore can be formed by lighter aluminium.
Above-mentioned rotating part mounting rod 19 so that the conveying device of above-mentioned length direction stably is installed on the above-mentioned swivelling cover 17, and can form a plurality of.
Above-mentioned front and back carry motor 21 to produce to make welded header 7 move required power along the length direction of above-mentioned pipe arrangement 1, and by said motor controller 33 by far distance controlled, and form reversibly speed regulated.
The formation of the drive division 23 of above-mentioned length direction comprises: the helical axis 23-1 that carries motor to rotate by above-mentioned front and back; Welded header 7 is installed, and is combined with above-mentioned helical axis 23-1 spiral and nut bracket 23-4 that above-mentioned helical axis 23-1 is moved; The guide shaft (guide shaft) 23-2, the 23-3 that are set up abreast with above-mentioned helical axis 23-1; Be arranged at axle supporting 33-1,33-2,33-3,33-4 on above-mentioned guide shaft 23-2, the 23-3.
On above-mentioned welded header 7, can centered by above-mentioned welding gun 9, form a plurality of cameras 11, in order to confirm above-mentioned welding gun 9 and welding situation by display part 39, above-mentioned welding gun 9 mixes with combustion gas oxygen and sprays fuel from front end (tip) at mixing chamber and welds.
Here, the welding gun 9 of above-mentioned welded header 7 links with above-mentioned bonding machine 35, and can carry out far distance controlled by welding controller 37 and weld, and above-mentioned welding gun 9 can be formed by tungsten.
Above-mentioned camera 11 passes through controller of camera 41 by far distance controlled, and caused overheated in order to prevent long-time use, preferably, links to each other with the coolant pump that makes cooling water circulation (not shown).
Above-mentioned wireless camera 12, be arranged at the medial surface of pipe arrangement 1, and on one side monitor whether cable is distorted, on one side with the image that monitors by being wirelessly transmitted to wireless receiving section 40, the supervision image that wireless receiving section 40 will send is sent to controller of camera 41.
Above-mentioned display part 39 constitutes, by the control of above-mentioned controller of camera 41, and at welding situation and the inner case of above-mentioned pipe arrangement 1 and the structure whether cable is distorted of the above-mentioned welding gun 9 of picture expression.
Below, with reference to Fig. 1 and Fig. 4, the circumferential welding process along pipe arrangement 1 is described.
If make above-mentioned rotation drive motor 13 actions by said motor controller 33, then the pinion 15-1 of rotary driving part 15 makes master gear 15-2 rotation, the above-mentioned swivelling cover 17 that combines with the conveying device of above-mentioned length direction rotate to carry out circumferential welding along above-mentioned pipe arrangement 1.
Here, the rotary driving part 15 by above-mentioned pinion 15-1 and master gear 15-2 consist of is supported by the fixed head 16 of installing at above-mentioned interlock chuck 3.
Below, illustrate along the welding process of the length direction of pipe arrangement 1 with reference to Fig. 1, Fig. 5 and Fig. 6.
If make above-mentioned front and back carry motor 21 actions by said motor controller 33, then power makes helical axis (screwshaft) 23-1 rotation by the drive division 23 that power belt 24 is passed to length direction, above-mentioned helical axis 23-1 is under the guiding of guide shaft (guide shaft) 23-2,23-3 thus, carry at the length direction of above-mentioned pipe arrangement 1 by the nut bracket 23-4 that above-mentioned welded header 7 is installed, at this moment, above-mentioned guide shaft 23-2,23-3 can support 33-1,33-2 with axle, 33-3,33-4 carry before and after carrying out smoothly.

Claims (4)

1. the welding joint conveying device of a pipe arrangement inner surface, its formation comprises:
Interlock chuck as main body;
Be installed on above-mentioned interlock chuck also for the fixed part that aforementioned body is fixed in the pipe arrangement;
Generation is along the rotation drive motor of the required power of the circumferential welding of pipe arrangement;
The transmission of power of above-mentioned rotation drive motor is arrived the rotary driving part of swivelling cover;
Protect above-mentioned rotary driving part and form in the mode of conveying device that length direction is installed, and come power and along the swivelling cover that rotates in a circumferential direction of pipe arrangement from above-mentioned rotary driving part transmission;
The rotating part mounting rod that is connected with above-mentioned swivelling cover;
Generation is carried motor along the front and back of the required power of the length direction welding of pipe arrangement;
Above-mentioned front and back are carried the transmission of power of motor to the drive division of the length direction of welded header;
Be provided with welding gun and camera, and come power and the welded header that moves along the length direction of pipe arrangement from the drive division transmission of above-mentioned length direction;
Be used for controlling the motor controller of above-mentioned rotation drive motor and front and back conveying motor;
Be arranged at the medial surface of pipe arrangement and be used for the wireless camera whether the supervision cable is distorted;
Be used for the wireless receiving section by the image of the above-mentioned wireless camera of wireless receiving;
Be used for controlling the controller of camera of above-mentioned camera and wireless receiving section;
Be used for the display part that control by above-mentioned controller of camera represents the inner case of the welding situation of above-mentioned welding gun and above-mentioned pipe arrangement,
Wherein, the formation of above-mentioned rotary driving part comprises: be arranged at the pinion on the rotating shaft of above-mentioned rotation drive motor; Be arranged on the above-mentioned swivelling cover and the master gear of being combined with above-mentioned pinion,
Above-mentioned fixed part forms the length that can regulate according to the size of pipe arrangement above-mentioned fixed part, and can irrespectively be suitable for the size of pipe arrangement,
Above-mentioned fixed part is formed with a plurality of and is stably fixed,
Above-mentioned rotation drive motor and above-mentioned front and back carry motor by far distance controlled, and reversibly speed are regulated,
The welding gun of above-mentioned welded header forms in the mode that links to each other with bonding machine and welding controller and weld at a distance.
2. the welding joint conveying device of pipe arrangement inner surface according to claim 1 is characterized in that, above-mentioned welded header is provided with a plurality of cameras centered by above-mentioned welding gun, and can confirm the welding situation by display part.
3. the welding joint conveying device of pipe arrangement inner surface according to claim 1 is characterized in that, the formation of the drive division of above-mentioned length direction comprises: the helical axis of carrying motor to rotate by above-mentioned front and back; Welded header is installed, and is combined with above-mentioned helical axis spiral and at the mobile nut bracket of above-mentioned helical axis; The guide shaft that is set up abreast with above-mentioned helical axis; Be arranged at the axle supporting on the above-mentioned guide shaft.
4. the welding joint conveying device of pipe arrangement inner surface according to claim 1 is characterized in that, above-mentioned rotary driving part is supported by the fixed head that is installed on above-mentioned interlock chuck.
CN 200810084023 2008-03-18 2008-03-18 Welding joint conveying device on inner surface of piping Active CN101537553B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101537553B true CN101537553B (en) 2013-03-27

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CN103521966A (en) * 2013-09-23 2014-01-22 北京石油化工学院 Automatic welding device for large-diameter pipes
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB790048A (en) * 1954-09-11 1958-02-05 John Handley Improvements in the welding together of pipes
CN2625094Y (en) * 2003-05-23 2004-07-14 中国石油天然气管道局 Special welding union for automatic pipeline inner circumferential seam welding machine
CN2626659Y (en) * 2003-05-23 2004-07-21 中国石油天然气管道局 Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder
CN2691768Y (en) * 2003-07-30 2005-04-13 刘振英 Automatic pile up welding equipment for internal walls of straight and bend pipes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB790048A (en) * 1954-09-11 1958-02-05 John Handley Improvements in the welding together of pipes
CN2625094Y (en) * 2003-05-23 2004-07-14 中国石油天然气管道局 Special welding union for automatic pipeline inner circumferential seam welding machine
CN2626659Y (en) * 2003-05-23 2004-07-21 中国石油天然气管道局 Multiple welding heads synchronous driving mechanism for pipeline inner circumferential weld automatic welder
CN2691768Y (en) * 2003-07-30 2005-04-13 刘振英 Automatic pile up welding equipment for internal walls of straight and bend pipes

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