CN201862901U - Retract type automatic pipe head welding machine - Google Patents
Retract type automatic pipe head welding machine Download PDFInfo
- Publication number
- CN201862901U CN201862901U CN2010206199938U CN201020619993U CN201862901U CN 201862901 U CN201862901 U CN 201862901U CN 2010206199938 U CN2010206199938 U CN 2010206199938U CN 201020619993 U CN201020619993 U CN 201020619993U CN 201862901 U CN201862901 U CN 201862901U
- Authority
- CN
- China
- Prior art keywords
- welding
- welding gun
- tube head
- slide block
- drive unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a retract type automatic pipe head welding machine which comprises a rotary main shaft, a machine body, a welding gun and a welding gun connecting plate. The rotary main shaft penetrates through the machine body; the welding gun connecting plate is connected and arranged on the front side of the machine body along the axial direction; the welding gun is arranged on the welding gun connecting plate; the retract type automatic pipe head welding machine is provided with a rotary main shaft driving device, an axial adjusting mechanism and a radial adjusting mechanism, wherein the rotary main shaft driving device comprises a driving motor and a worm gear transmission mechanism in drive connection with the driving motor; the axial adjusting mechanism is connected and arranged on the machine body; the radial adjusting mechanism is connected and arranged on the welding gun connecting plate and connected with the welding gun; and the welding gun connecting plate is provided with at leas three positioning legs. As the axial adjusting mechanism and the radial adjusting mechanism are combined, the retract type pipe head welding method for welding a shell-and-tube type heat exchanger is realized, not only the welding scope at pipe hole depth is enlarged, but also the influence on the welding quality by pipe hole shape misalignment can be avoided, and the machine has the characteristics that the welding scope is large, the welding quality is good, the welding accuracy is high, and the machine is simple to operate.
Description
Technical field
The utility model relates to a kind of automatic welder(welding machine), particularly relates to a kind of internal withdraw type tube head automatic welder(welding machine) that can be used for the welded pipe shell heat exchanger.
Background technology
In industries such as boiler, petrochemical industry, nuclear power, shell-and-tube heat exchanger is to use a kind of very widely heat-exchange apparatus, and this shell-and-tube heat exchanger mainly is made up of housing, pipe and tube sheet, and wherein, the jointing of tube-to-tube sheet connection is called tube head again.One of important procedure of producing shell-and-tube heat exchanger welds tube head exactly on request.
In the prior art, the outer surface of the tube head part protruded tube plate that employing is welded to connect, make the outer surface of tube sheet have discontinuous surface texture, this discontinuous surface texture causes the material in the shell-and-tube heat exchanger to gather at the tube head place easily, thereby influences the heat exchange efficiency of shell-and-tube heat exchanger.
In order to address the above problem, people's utility model a kind of novel tube head connected mode, i.e. heat exchanger tube internal withdraw type tube head welding manner.But, except the mode of traditional manual welding, tube head automatic arc welding of the prior art all needs to center, and the centre of gyration that is about to the tube head welding torch navigates to the state that overlaps substantially with the welded part center, finishes welding by welding torch around the rotation of pore.Yet the middle part of this tube head automatic arc welding is owing to be provided with positioning core axle, so when contracting in the tube head, the welding gun of mandrel mechanism can't enter the pore part of shell-and-tube heat exchanger tube head, therefore, mandrel formula tube head automatic welder(welding machine) of the prior art can't satisfy this internal withdraw type tube head welding manner, if and adopt the mode of traditional manual welding, not only operation easier is big, efficient is low, and is difficult to obtain continuous and uniform weld seam.
Therefore, at deficiency of the prior art, needing badly provides a kind of internal withdraw type tube head welding manner that can be applied to shell-and-tube heat exchanger welding, and the welding scope is big, welding quality good, welding precision height, internal withdraw type tube head automatic welder(welding machine) simple to operate.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of internal withdraw type tube head welding manner that can be applied to shell-and-tube heat exchanger welding is provided, and the welding scope is big, welding quality good, the welding precision height, internal withdraw type tube head automatic welder(welding machine) simple to operate.
The purpose of this utility model realizes by following technical measures:
A kind of internal withdraw type tube head automatic welder(welding machine) is provided, includes rotary main shaft, body, welding gun and welding gun connecting plate, described rotary main shaft is arranged in described body, described welding gun connecting plate is connected in the front side vertically of described body, described welding gun is arranged at described welding gun connecting plate, wherein
Be provided with the rotary main shaft drive unit, described rotary main shaft drive unit includes drive motor and drives the Worm and worm-wheel gearing that is connected with described drive motor;
Be provided with mechanism for axial adjusting, described mechanism for axial adjusting is connected in described body;
Be provided with radially guiding mechanism, described radially guiding mechanism is connected in described welding gun connecting plate, and is connected setting with described welding gun;
Described welding gun connecting plate is provided with at least three location supporting legs.
Wherein,
Described mechanism for axial adjusting includes one-level mechanism for axial adjusting and secondary mechanism for axial adjusting, and described one-level mechanism for axial adjusting is arranged at the top of described secondary mechanism for axial adjusting;
Described one-level mechanism for axial adjusting includes axial adjustment drive unit, first conical gear drive, horizontally disposed first leading screw, first slide, first sliding chute seat and body supporting seat, described first conical gear drive includes first bevel gear and second bevel gear, the gear shaft of described first bevel gear drives with described axial adjustment drive unit and is connected, described second bevel gear is connected with an end of described first leading screw, the other end of described first leading screw is connected with described body supporting seat by the threaded connection hole that described body supporting seat is provided with, described first slide is arranged at the below of described body supporting seat, and fixedly connected with the bottom of described body supporting seat, the below of described first slide is provided with first slide block, described first sliding chute seat is provided with first chute that is slidingly matched with described first slide block, and described body supporting seat is fixedlyed connected with described body;
Described secondary mechanism for axial adjusting includes second slide that is arranged at described first sliding chute seat below and second sliding chute seat that is arranged at described second slide below, fixedly connected with the bottom of described first sliding chute seat in the top of described second slide, the bottom of described second slide is provided with second slide block, and described second sliding chute seat is provided with second chute that is slidingly matched with described second slide block.
Wherein,
Described first slide block is the circular arc slide block, and described first chute is the arc chute that is slidingly matched with described first slide block;
Described second slide block is the circular arc slide block, and described second chute is the arc chute that is slidingly matched with described second slide block.
Wherein, described axial adjustment drive unit is the manually axial drive unit of adjusting that is provided with handwheel.
Wherein, described radially guiding mechanism includes radially adjusts drive unit, second conical gear drive, vertical second leading screw that is provided with, nut slider and troffer, described troffer is arranged at the below of described second conical gear drive, described nut slider is arranged at the flute profile space of described troffer, and can in described flute profile space, radially move, described second conical gear drive includes third hand tap gear and the 4th bevel gear, the gear shaft of described third hand tap gear drives and to be connected with the described drive unit of radially adjusting, described the 4th bevel gear is connected with an end of described second leading screw, the other end of described second leading screw passes described troffer, and the threaded connection hole that is provided with by described nut slider is connected with described nut slider, and described welding gun is arranged at described nut slider.
Wherein, described flute profile vertically is provided with lead in the space, described lead pass that described nut slider is provided with the corresponding pilot hole of described lead, and fixedly connected with described troffer.
Wherein, described lead is provided with two, and described lead is arranged at the both sides of described second leading screw respectively.
Wherein, be provided with linking arm, described linking arm includes first linking arm and second linking arm, one end and the described nut slider of described first linking arm are hinged, one end of the other end of described first linking arm and described second linking arm is hinged, and the other end of described second linking arm is connected with described welding gun is detachable.
Wherein, the described drive unit of radially adjusting is the electronic drive unit of radially adjusting that is provided with micromotor.
Wherein, described Worm and worm-wheel gearing includes worm gear and worm screw, and described worm gear is arranged at the cylindrical of described rotary main shaft, and described worm screw drives with described drive motor and is connected.
The beneficial effects of the utility model: internal withdraw type tube head automatic welder(welding machine) of the present utility model includes rotary main shaft, body, welding gun and welding gun connecting plate, rotary main shaft is arranged in body, the welding gun connecting plate is connected in the front side vertically of body, welding gun is arranged at the welding gun connecting plate, wherein, be provided with the rotary main shaft drive unit, the rotary main shaft drive unit includes drive motor and drives the Worm and worm-wheel gearing that is connected with drive motor; Be provided with mechanism for axial adjusting, mechanism for axial adjusting is connected in body; Be provided with radially guiding mechanism, radially guiding mechanism is connected in the welding gun connecting plate, and is connected setting with welding gun; The welding gun connecting plate is provided with at least three location supporting legs.Since this internal withdraw type tube head automatic welder(welding machine) adopt mechanism for axial adjusting and radially guiding mechanism combine, realized internal withdraw type tube head welding manner to the shell-and-tube heat exchanger welding, compared with prior art, not only enlarged the welding scope of the pore degree of depth, and the influence that can avoid the pore shape position error that welding quality is caused, simultaneously, adopt tripod location supporting leg to increase the stability and the positioning accuracy of this internal withdraw type tube head automatic welder(welding machine).
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of internal withdraw type tube head automatic welder(welding machine) of the present utility model.
Fig. 2 is that Fig. 1 " I " locates the structure for amplifying schematic diagram.
Fig. 3 is the structural representation of the welding gun of a kind of internal withdraw type tube head automatic welder(welding machine) of the present utility model.
At Fig. 1; include among Fig. 2 and Fig. 3: 1---rotary main shaft; 2---bearing; 3---worm gear; 4---worm screw; 5---the rotary main shaft drive unit; 6---body; 7---the location supporting leg; 8---troffer; 9---radially adjust drive unit; 10---the third hand tap gear; 11---the 4th bevel gear; 12---welding gun; 13---second linking arm; 14---first linking arm; 15---nut slider; 16---second leading screw; 17---the welding gun connecting plate; 18---the body supporting seat; 19---first sliding chute seat; 20---first slide; 21---second slide; 22---second sliding chute seat; 23---first leading screw; 24---first chute; 25---second bevel gear; 26---first bevel gear; 27---axially adjust drive unit; 28---lead; 30---the tungsten electrode sandwich; 31---housing pin; 32---the argon shield pipe; 33---cooling water pipe; 34---welding torch; 35---the porcelain mouth; 36---the electric arc tungsten electrode.
The specific embodiment
With the following Examples the utility model is further described.
The specific embodiment of a kind of internal withdraw type tube head automatic welder(welding machine) of the present utility model, as shown in Figure 1, include rotary main shaft 1, body 6, welding gun 12 and welding gun connecting plate 17, rotary main shaft 1 is arranged in body 6, and be assemblied in the body 6 by bearing 2, welding gun connecting plate 17 is connected in the front side vertically of body 6 (with reference to Fig. 1, should be the left side of body 6 among the figure), welding gun 12 is arranged at welding gun connecting plate 17, wherein, be provided with rotary main shaft drive unit 5, this rotary main shaft drive unit 5 includes drive motor and drives the Worm and worm-wheel gearing that is connected with drive motor.Wherein, Worm and worm-wheel gearing includes worm gear 3 and worm screw 4, worm gear 3 is arranged at the cylindrical of rotary main shaft 1, drives with the drive motor that is arranged at body 6 one sides and is connected the rotation of this The driving motor control rotary main shaft 1 with the be meshed worm screw 4 of transmission of worm gear 3.Wherein, rotary main shaft 1 is the rotary main shaft 1 of hollow, and the hollow space of rotary main shaft 1 is used to install the cooling water pipe 33 of welding gun 12 and cable etc.Wherein, rotary main shaft drive unit 5 can be for being provided with the electronic rotary main shaft drive unit of servomotor.
Concrete, welding gun connecting plate 17 is provided with at least three location supporting legs 7 along the outer rim of contiguous welding gun connecting plate 17.Preferably locate supporting legs 7 for three, in the equidistant even distribution setting of outer rim along contiguous welding gun connecting plate 17.During welding, three location supporting legs 7 are resisted against in the pore of tube head,, have made it to increase the stability and the positioning accuracy of this internal withdraw type tube head automatic welder(welding machine) owing to adopt tripod location supporting leg 7.
Concrete, this internal withdraw type tube head automatic welder(welding machine) is provided with mechanism for axial adjusting, and mechanism for axial adjusting is connected in the bottom of body 6; This internal withdraw type tube head automatic welder(welding machine) also is provided with radially guiding mechanism, and radially guiding mechanism is connected in welding gun connecting plate 17, and is connected setting with welding gun 12.This internal withdraw type tube head automatic welder(welding machine) adopts mechanism for axial adjusting and the mode that combines of guiding mechanism radially, has realized the welding of internal withdraw type tube head that shell-and-tube heat exchanger is welded.Compared with prior art, adopt mechanism for axial adjusting to enlarge the welding scope of the pore degree of depth, the influence of adopting guiding mechanism radially can avoid the pore shape position error that welding quality is caused, and simple to operate, be convenient to industrial popularizing and promoting.
Concrete, mechanism for axial adjusting includes one-level mechanism for axial adjusting and secondary mechanism for axial adjusting, and the one-level mechanism for axial adjusting is arranged at the top of secondary mechanism for axial adjusting.The one-level mechanism for axial adjusting is fine control, and the secondary mechanism for axial adjusting is coarse regulation.Combining of one-level mechanism for axial adjusting and secondary mechanism for axial adjusting, the accurate location of having realized welding gun 12 makes being accurately controlled of welding precision.
Wherein, the one-level mechanism for axial adjusting includes axial adjustment drive unit 27, first conical gear drive, horizontally disposed first leading screw 23, first slide 20, first sliding chute seat 19 and body supporting seat 18, first conical gear drive includes first bevel gear 26 and second bevel gear 25, the gear shaft of first bevel gear 26 drives with axial adjustment drive unit 27 and is connected, second bevel gear 25 is connected with an end of first leading screw 23, the other end of first leading screw 23 is connected with body supporting seat 18 by the threaded connection hole that body supporting seat 18 is provided with, first slide 20 is arranged at the below of body supporting seat 18, and fixedly connected with the bottom of body supporting seat 18, the below of first slide 20 is provided with first slide block, first sliding chute seat 19 is provided with first chute 24 that is slidingly matched with first slide block, and body supporting seat 18 is fixedlyed connected with body 6; Its power is reached the screw thread pair mechanism of first conical gear drive and first leading screw 23 by axial adjustment drive unit 27, thereby drive body supporting seat 18 and do axial moving forward and backward, should move to finely tuning, in pore, do moving of the axial little displacement in front and back thereby make body 6 drive welding guns 12.This is the fine control on the coarse adjustment basis.
Wherein, second sliding chute seat 22 that the secondary mechanism for axial adjusting includes second slide 21 that is arranged at first sliding chute seat, 19 belows and is arranged at second slide, 21 belows, fixedly connected with the bottom of first sliding chute seat 19 in the top of second slide 21, the bottom of second slide 21 is provided with second slide block, and second sliding chute seat 22 is provided with second chute that is slidingly matched with second slide block.Artificial effect of giving an external force of second slide block, the body supporting seat 18 that makes second slide block drive second slide 21 and be provided with is thereon done axial moving forward and backward, carry out coarse adjustment by moving thus, in pore, do moving of the axial big displacement in front and back thereby make body 6 drive welding gun 12.By the secondary mechanism for axial adjusting, can earlier welding gun 12 roughly be located, can carry out fine control by the one-level mechanism for axial adjusting more then.
Concrete, first slide block and first chute 24, and the fit system of second slide block and second chute has a variety ofly, but preferred first slide block is the circular arc slide block, the arc chute of first chute 24 for being slidingly matched with first slide block; Second slide block is the circular arc slide block, and second chute is the arc chute that is slidingly matched with second slide block.Because the height of circular arc slide block is lower than the height of the slide block of other form, make that the structure of whole internal withdraw type tube head automatic welder(welding machine) is comparatively compact, and cooperate closely, process also comparatively simple.
More than first slide block and second slide block can also adopt the swallow-tail form slide block, corresponding first chute 24 and second chute adopt swallowtail-shaped slide.
Concrete, axially adjusting drive unit 27 can be for being provided with the manually axial drive unit of adjusting of handwheel.Can manually control by handwheel, and the screw thread pair transmission mechanism of power by first conical gear drive and first leading screw 23 driven to body supporting seat 18.
Concrete, radially guiding mechanism includes and radially adjusts drive unit 9, second conical gear drive, vertical second leading screw 16 that is provided with, nut slider 15 and troffer 8, troffer 8 is arranged at the below of second conical gear drive, nut slider 15 is arranged at the flute profile space of troffer 8, and can in the flute profile space, radially move, second conical gear drive includes third hand tap gear 10 and the 4th bevel gear 11, the gear shaft of third hand tap gear 10 with radially adjust drive unit 9 and drive and be connected, the 4th bevel gear 11 is connected with an end of second leading screw 16, the other end of second leading screw 16 passes troffer 8, and the threaded connection hole that is provided with by nut slider 15 is connected with nut slider 15, and welding gun 12 is arranged at nut slider 15.By radially adjusting the screw thread pair mechanism that drive unit 9 reaches its power second conical gear drive and second leading screw 16, move thereby drive the trace up and down that nut slider 15 does radially, in pore, does radially little up and down displacement mobile thereby drive welding gun 12.
Concrete, vertically be provided with lead 28 in the flute profile space, lead 28 pass nut slider 15 that be provided with lead 28 corresponding pilot holes, and fixedly connected with troffer 8.Lead 28 is set, prevents the skew of nut slider 15, play the effect of location and guiding.Preferably, lead 28 can be provided with two, and this lead 28 is arranged at the both sides of second leading screw 16 respectively.Make stress balance thus.
Concrete, be provided with linking arm, linking arm includes first linking arm 14 and second linking arm 13, one end and the nut slider 15 of first linking arm 14 are hinged, one end of the other end of first linking arm 14 and second linking arm 13 is hinged, the other end of second linking arm 13 and 12 detachable connections of welding gun.In case of necessity, also can carry out the adjusting of position to the nut of hinged place.
Concrete, radially adjusting drive unit 9 can be for being provided with the radially adjustment drive unit of micromotor.By the control micromotor, and the screw thread pair transmission mechanism of power by second conical gear drive and second leading screw 16 driven to nut slider 15.
As shown in Figure 2; welding gun 12 includes welding torch 34, porcelain mouth 35, electric arc tungsten electrode 36, tungsten electrode sandwich 30, housing pin 31; porcelain mouth 35 is rotatably connected in welding torch 34; electric arc tungsten electrode 36 is loaded in the tungsten electrode sandwich 30; and be connected on the welding torch 34 by housing pin 31, welding torch 34 is equipped with argon shield pipe 32 and cooling water pipe 33.When welding, cooling water pipe 33 feeds cooling water, under the effect of cooling water, the temperature rise at welding gun 12 each position can be effectively controlled, owing to introduced cooling system, can prolong the working time of welding gun 12 continuous weldings, and the service life that has prolonged welding gun 12.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (10)
1. internal withdraw type tube head automatic welder(welding machine), include rotary main shaft, body, welding gun and welding gun connecting plate, described rotary main shaft is arranged in described body, and described welding gun connecting plate is connected in the front side vertically of described body, described welding gun is arranged at described welding gun connecting plate, it is characterized in that:
Be provided with the rotary main shaft drive unit, described rotary main shaft drive unit includes drive motor and drives the Worm and worm-wheel gearing that is connected with described drive motor;
Be provided with mechanism for axial adjusting, described mechanism for axial adjusting is connected in described body;
Be provided with radially guiding mechanism, described radially guiding mechanism is connected in described welding gun connecting plate, and is connected setting with described welding gun;
Described welding gun connecting plate is provided with at least three location supporting legs.
2. internal withdraw type tube head automatic welder(welding machine) according to claim 1 is characterized in that:
Described mechanism for axial adjusting includes one-level mechanism for axial adjusting and secondary mechanism for axial adjusting, and described one-level mechanism for axial adjusting is arranged at the top of described secondary mechanism for axial adjusting;
Described one-level mechanism for axial adjusting includes axial adjustment drive unit, first conical gear drive, horizontally disposed first leading screw, first slide, first sliding chute seat and body supporting seat, described first conical gear drive includes first bevel gear and second bevel gear, the gear shaft of described first bevel gear drives with described axial adjustment drive unit and is connected, described second bevel gear is connected with an end of described first leading screw, the other end of described first leading screw is connected with described body supporting seat by the threaded connection hole that described body supporting seat is provided with, described first slide is arranged at the below of described body supporting seat, and fixedly connected with the bottom of described body supporting seat, the below of described first slide is provided with first slide block, described first sliding chute seat is provided with first chute that is slidingly matched with described first slide block, and described body supporting seat is fixedlyed connected with described body;
Described secondary mechanism for axial adjusting includes second slide that is arranged at described first sliding chute seat below and second sliding chute seat that is arranged at described second slide below, fixedly connected with the bottom of described first sliding chute seat in the top of described second slide, the bottom of described second slide is provided with second slide block, and described second sliding chute seat is provided with second chute that is slidingly matched with described second slide block.
3. internal withdraw type tube head automatic welder(welding machine) according to claim 2 is characterized in that:
Described first slide block is the circular arc slide block, and described first chute is the arc chute that is slidingly matched with described first slide block;
Described second slide block is the circular arc slide block, and described second chute is the arc chute that is slidingly matched with described second slide block.
4. internal withdraw type tube head automatic welder(welding machine) according to claim 2 is characterized in that: described axial adjustment drive unit is the manually axial drive unit of adjusting that is provided with handwheel.
5. internal withdraw type tube head automatic welder(welding machine) according to claim 1, it is characterized in that: described radially guiding mechanism includes radially adjusts drive unit, second conical gear drive, vertical second leading screw that is provided with, nut slider and troffer, described troffer is arranged at the below of described second conical gear drive, described nut slider is arranged at the flute profile space of described troffer, and can in described flute profile space, radially move, described second conical gear drive includes third hand tap gear and the 4th bevel gear, the gear shaft of described third hand tap gear drives and to be connected with the described drive unit of radially adjusting, described the 4th bevel gear is connected with an end of described second leading screw, the other end of described second leading screw passes described troffer, and the threaded connection hole that is provided with by described nut slider is connected with described nut slider, and described welding gun is arranged at described nut slider.
6. internal withdraw type tube head automatic welder(welding machine) according to claim 5, it is characterized in that: described flute profile vertically is provided with lead in the space, described lead pass that described nut slider is provided with the corresponding pilot hole of described lead, and fixedly connected with described troffer.
7. internal withdraw type tube head automatic welder(welding machine) according to claim 6 is characterized in that: described lead is provided with two, and described lead is arranged at the both sides of described second leading screw respectively.
8. internal withdraw type tube head automatic welder(welding machine) according to claim 5, it is characterized in that: be provided with linking arm, described linking arm includes first linking arm and second linking arm, one end and the described nut slider of described first linking arm are hinged, one end of the other end of described first linking arm and described second linking arm is hinged, and the other end of described second linking arm is connected with described welding gun is detachable.
9. internal withdraw type tube head automatic welder(welding machine) according to claim 5 is characterized in that: the described drive unit of radially adjusting is the electronic drive unit of radially adjusting that is provided with micromotor.
10. internal withdraw type tube head automatic welder(welding machine) according to claim 1, it is characterized in that: described Worm and worm-wheel gearing includes worm gear and worm screw, and described worm gear is arranged at the cylindrical of described rotary main shaft, and described worm screw drives with described drive motor and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206199938U CN201862901U (en) | 2010-11-23 | 2010-11-23 | Retract type automatic pipe head welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206199938U CN201862901U (en) | 2010-11-23 | 2010-11-23 | Retract type automatic pipe head welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201862901U true CN201862901U (en) | 2011-06-15 |
Family
ID=44134068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206199938U Expired - Lifetime CN201862901U (en) | 2010-11-23 | 2010-11-23 | Retract type automatic pipe head welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201862901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019487A (en) * | 2010-11-23 | 2011-04-20 | 茂名重力石化机械制造有限公司 | Recessed type tube head automatic welding machine |
| CN102728938A (en) * | 2012-05-22 | 2012-10-17 | 戴刚平 | Inner-outer dual-surface welding device for steel tube and flange |
-
2010
- 2010-11-23 CN CN2010206199938U patent/CN201862901U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019487A (en) * | 2010-11-23 | 2011-04-20 | 茂名重力石化机械制造有限公司 | Recessed type tube head automatic welding machine |
| CN102019487B (en) * | 2010-11-23 | 2013-01-30 | 茂名重力石化机械制造有限公司 | Recessed type tube head automatic welding machine |
| CN102728938A (en) * | 2012-05-22 | 2012-10-17 | 戴刚平 | Inner-outer dual-surface welding device for steel tube and flange |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102019487B (en) | Recessed type tube head automatic welding machine | |
| CN203956365U (en) | Oil platform leg welding equipment | |
| CN102825368B (en) | Flange sealing trough inner surface hoop all positon TIG automatic bead welding equipment and welding method thereof | |
| CN101829868B (en) | Automatic welding machine | |
| CN105269116A (en) | Automatic integrated flange welding equipment with center through hole | |
| CN108907599A (en) | Automatic welding device is used in a kind of machining | |
| CN212191664U (en) | Argon arc welding semi-automatic welding machine | |
| CN102000935A (en) | Flexible clamp for pipe fitting welding and adjusting method thereof | |
| CN104801916A (en) | Automatic rotating welding device for pipeline | |
| CN213003569U (en) | Pipe fitting welding set | |
| CN201862901U (en) | Retract type automatic pipe head welding machine | |
| CN201076976Y (en) | Coaxial tube plate welding equipment | |
| CN108188220B (en) | Spiral steel pipe tune type auxiliary system and auxiliary shape adjusting method | |
| CN208743990U (en) | A kind of welding worktable of hydraulic cylinder | |
| CN202291766U (en) | Rapid positioning device for suspension type automatic argon arc welding machine for tube sheet | |
| CN109277767A (en) | A kind of wall-hanging solar water heater thermal-arrest copper pipe welding equipment | |
| CN211072461U (en) | High-precision steel pipe joint surrounding welding tool | |
| CN211866912U (en) | Welding equipment for welding bus tube and bus joint | |
| CN205184006U (en) | C shaped steel automatic weld equipment | |
| CN201572997U (en) | Multifunctional argon-arc automatic welding machine tool | |
| CN113560779B (en) | Welding equipment suitable for valve manufacturing | |
| CN108788587A (en) | A kind of thin-wall steel tube oblique angle automatic welding device | |
| CN115229402A (en) | Straight seam welding equipment | |
| CN204621422U (en) | Automatic welding of circumferential seams connects special plane | |
| CN211387420U (en) | Automatic welding machine for pipeline thread protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |