CN201728492U - Semi-automatic welding equipment for pipe made of sheet material - Google Patents
Semi-automatic welding equipment for pipe made of sheet material Download PDFInfo
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- CN201728492U CN201728492U CN2010202625014U CN201020262501U CN201728492U CN 201728492 U CN201728492 U CN 201728492U CN 2010202625014 U CN2010202625014 U CN 2010202625014U CN 201020262501 U CN201020262501 U CN 201020262501U CN 201728492 U CN201728492 U CN 201728492U
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- 238000003466 welding Methods 0.000 title claims abstract description 98
- 239000000463 material Substances 0.000 title claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 70
- 230000007246 mechanism Effects 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 7
- 230000005570 vertical transmission Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to semi-automatic welding equipment for a pipe made of sheet material. The semi-automatic welding equipment is characterized in that a circumferential driving system A used for driving work pieces to rotate, a longitudinal driving system B and a floating welding gun system C are comprised, wherein the circumferential driving system A comprises a bearing piece (7) used for accommodating the work pieces and a driving device used for driving the work pieces to rotate; the driving device is driven by a power source (11); the longitudinal driving system B comprises a power source (22), a sliding rail and a sliding device; the sliding device is matched with the sliding rail and driven to move on the sliding rail by the power source; the floating welding gun system C comprises a welding gun (14); and the welding gun is adjustably installed on the sliding device of the longitudinal driving system B. The semi-automatic welding equipment has the advantages that the structure is compact, all the components are matched to realize the welding of circumferential weld seams and longitudinal weld seams, welding is full-automatically controlled after manual spot welding, the operation is convenient, the labor intensity is low, and the semi-automatic welding equipment is beneficial to the improvement of the production efficiency and the reduction of the production cost.
Description
Technical Field
The utility model relates to a welding equipment for pipe that sheet was made specifically is a semi-automatic welding equipment for pipe that sheet was made that production efficiency is high, low in labor strength, welding quality is high and low in production cost.
Background
In the process of manufacturing the air pipeline, a sheet iron (below 2 MM) is usually rolled and welded. Some air pipelines are long in length and difficult to be directly rolled and welded by a single sheet iron, so that in actual production, the sheet irons with common specifications are often rolled and welded into a plurality of short pipes, and then the short pipes are sequentially welded end to end into pipes with required lengths.
Therefore, during the manufacturing process of the wind pipeline, the places needing welding include: axially welding the pipe wall of a single pipe body to form a closed ring body, and circumferentially welding the corresponding end surfaces of two adjacent pipe bodies to splice the two pipe bodies; at present, manual walking welding is mostly adopted during welding, the efficiency is low, and the welding quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a semi-automatic welding equipment that is used for the pipe that the sheet was made that production efficiency is high, low in labor strength, welding quality is high and low in production cost.
The to-be-solved problem of the utility model can be realized through following technical scheme: a semi-automatic welding apparatus for tubes made of sheet material, characterized in that: the device comprises a circumferential driving system A, a longitudinal driving system B and a floating welding gun system C, wherein the circumferential driving system A, the longitudinal driving system B and the floating welding gun system C are used for driving a workpiece to rotate; wherein,
the circumference driving system A comprises a supporting piece for placing a workpiece and a driving device for driving the workpiece to rotate, and the driving device is driven by a power source;
the longitudinal driving system B comprises a power source, a slide rail and a sliding device, wherein the sliding device is matched with the slide rail and is driven by the power source to move on the slide rail;
the floating torch system C includes a torch adjustably mounted on a slide of the longitudinal drive system B.
When the welding equipment is used, firstly, the sheet iron is rolled into a pipe body, then the butt joint part of the pipe wall of a single pipe body is manually subjected to spot welding, so that the single pipe body is formed into a fixed shape, then a plurality of pipe bodies are in butt joint end to end and are fixed in a spot welding mode, and a workpiece with the fixed shape after manual spot welding is placed on a supporting piece of a circumference driving system before the equipment is started. When a circumferential welding seam is welded (namely the butt joint of two adjacent pipe bodies is welded), the floating welding gun system slides to a proper position through a sliding device of a longitudinal driving system fixedly connected with the floating welding gun system, and the welding gun is adjusted to be separated from a workpiece by a proper arc striking distance; then starting a power source of the circumferential driving system, and simultaneously connecting the welding gun and the workpiece with a power supply; at the moment, a driving device of the circumferential driving system drives the workpiece to rotate, and the fixed welding gun forms a circumferential welding seam on the rotating workpiece. When a longitudinal welding seam is welded (namely the pipe wall butt joint part of a single pipe body), the circumferential driving system is closed, a power source of the longitudinal driving system is started, and meanwhile, a welding gun and a workpiece are connected with the power source, and the welding gun moves on the sliding rail along with a sliding device fixedly connected with the welding gun to weld the fixed workpiece.
The circumference driving system A of the utility model also comprises a frame, and the driving device and a plurality of supporting pieces are arranged on the frame; the plurality of supporting pieces are arranged on two sides of the axis of the placed workpiece to form a plurality of supporting fulcrums; the driving device comprises at least one group of transmission mechanisms, each group of transmission mechanisms comprises a transmission shaft and a plurality of rollers driven by the transmission shaft, the transmission shafts are mounted on the rack and driven by a power source, and the rollers are mounted at positions where the workpieces are contacted with the workpieces after being placed on the bearing parts and are arranged according to the direction parallel to the axis of the placed workpieces.
As an embodiment of the present invention, the driving device includes two sets of transmission mechanisms, wherein the axes of the transmission shafts of one set of transmission mechanisms are respectively parallel to the axes of the placed workpieces, the transmission shafts of the set of transmission mechanisms are longitudinal transmission shafts, and two spaced rollers are fixedly sleeved on the longitudinal transmission shafts; the axis of the transmission shaft of the other group of transmission mechanisms is vertical to the axis of the placed workpiece, the transmission shaft of the group of transmission mechanisms is a radial transmission shaft, two helical gears which are separated from each other are fixedly sleeved on the radial transmission shaft, two idler wheels are arranged on the machine frame at positions corresponding to the two helical gears, and the two idler wheels are respectively contacted with the corresponding helical gears and driven by the helical gears to rotate; the power source of the circumferential driving system is a motor, the motor is provided with two output shafts, and the two output shafts are respectively connected with mutually vertical transmission shafts of the two transmission mechanisms through a worm gear mechanism and drive the two transmission shafts to rotate.
When welding a circumferential weld, the working principle of the circumferential driving system of the embodiment is as follows: the motor is started and adjusted to a proper rotating speed, the motor drives the longitudinal transmission shaft and the radial transmission shaft to synchronously rotate, the two rollers fixed on the longitudinal transmission shaft rotate, the two helical gears fixed on the radial transmission shaft simultaneously drive the two rollers in contact with the helical gears to rotate, and when the rollers of the two groups of transmission mechanisms rotate, the workpieces are driven to rotate through friction force. This embodiment sets up two sets of drive mechanism, is convenient for drive circumference longer wind pipeline after the electric welding, and two sets of drive mechanism adopt same power supply drive moreover, simplify the structure of equipment, and can guarantee that two sets of drive mechanism are strict synchronous to drive the work piece rotatory.
The roller of the longitudinal transmission mechanism of the circumferential driving system A is a cone pulley, and the two cone pulleys are fixedly sleeved on the longitudinal transmission shaft in a mode that one end with a smaller size is opposite. The two cone pulleys can prevent the axial movement of the workpiece while driving the workpiece to rotate so as to ensure the circumferential welding precision.
The longitudinal driving system B of the utility model comprises a guide rail seat and a bracket seat for connecting a welding gun, wherein, two sides of the upper part of the guide rail seat are respectively provided with a row of pulleys, and the other two sides are respectively provided with a chain wheel, and the pulleys are arranged according to the axial direction of a workpiece placed behind the circumferential driving system; the lower part of the bracket seat is provided with a sliding seat, the sliding seat is provided with a groove with a downward opening, the groove is clamped at the upper part of the bracket seat, the inner walls of two corresponding sides of the groove are respectively provided with two pulleys which are vertically separated, and a sliding rail which is matched with the pulley of the guide rail seat to slide is formed between the two pulleys on the same inner wall of the groove; and a chain fixed with the sliding seat is sleeved between the chain wheels at two sides of the guide rail seat to form a sliding device, wherein one chain wheel is connected with a motor used as a power source. When a longitudinal welding seam is welded, the starting motor drives the chain wheel to rotate, and the chain drives the sliding seat to slide on the guide rail seat.
The top of the guide rail seat of the longitudinal driving system B is also provided with a row of pulleys parallel to the pulleys on two sides of the guide rail seat, the lower surface of the top of the groove of the sliding seat is provided with two pulleys which are vertically separated, and a sliding rail which is matched with the pulleys on the top of the guide rail seat to slide is formed between the two pulleys.
The floating welding gun system C comprises an adjustable bracket, welding guns and an insulation pressing piece, wherein the welding guns are all arranged on the bracket, and the insulation pressing piece is used for limiting the distance between the welding guns and a workpiece; the insulation pressing part corresponds to the welding gun in position, the support comprises a support B fixedly connected with a support seat of a longitudinal driving system B and a support A rotatably connected with the support B, a mechanism is defined between the support A and the support B, and the mechanism of the mechanism is defined as follows: the two ends of a pulling spring are respectively connected with the support A and the support B, the support B is provided with a convex block which is opposite to and separated from the support A up and down, and a positioning bolt capable of adjusting the distance between the convex block and the support A is screwed between the convex block and the support A.
On the basis, a lug arranged on the support B of the floating welding gun system C is positioned below the support A, and the positioning bolt penetrates through the lug from the bottom and the tail end of the positioning bolt abuts against the bottom surface of the support A.
When workpieces with different sizes are welded, the bracket A rotates to a proper height around a hinge point of the bracket A and the bracket B by screwing in or withdrawing the positioning bolt, so that a welding gun fixed on the bracket A reaches a preset working position; meanwhile, a pulling spring is arranged between the connecting support A and the support B, so that the support A can be prevented from swinging upwards to deviate from the working height under the action force generated by collision of the insulation pressing piece and the workpiece.
The bearing piece and/or the insulating casting die are/is a wheel body, the bearing piece is a riding wheel, the riding wheel is rotatably installed on the frame, and the insulating casting die is an insulating pinch roller. The bearing piece and the insulating pinch roller are designed into a wheel body, so that the contact area with a workpiece is small, and the friction force is small when the bearing piece and the insulating pinch roller move relatively.
The circumferential driving system is provided with four bearing parts to form four bearing supporting points.
The utility model discloses a compact structure, each part mutually supports and can realize the welding of circumferential weld and vertical welding seam, and automatic control welds completely behind artifical spot welding, convenient operation, low in labor strength does benefit to and improves production efficiency, reduction in production cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention, in which a pair of riding wheels at the end of a circumferential driving system and a motor of a longitudinal driving system are omitted;
FIG. 2 is a right side view of the longitudinal drive system of FIG. 1;
FIG. 3 is a right side view of the circumferential drive system of FIG. 1, with the motor omitted;
fig. 4 is a schematic sectional view taken along line a-a of fig. 2.
Detailed Description
The semi-automatic welding apparatus for a tube made of sheet material shown in fig. 1 to 4 is an embodiment of the present invention, and includes a circumferential driving system a, a longitudinal driving system B and a floating welding gun system C for driving a workpiece to rotate.
The circumference driving system A comprises a frame 6, four supporting wheels 7 for placing a workpiece and a driving device for driving the workpiece to rotate, wherein the driving device is driven by a three-phase asynchronous motor 11.
The four supporting wheels 7 are rotatably arranged on the frame 6 and are arranged on two sides of the axis of the placed workpiece to form four supporting points. The driving device comprises two groups of transmission mechanisms, wherein the axes of transmission shafts of one group of transmission mechanisms are respectively parallel to the axes of the placed workpieces, the transmission shafts of the group of transmission mechanisms are longitudinal transmission shafts 5, two spaced conical wheels 4 are fixedly sleeved on the longitudinal transmission shafts 5, and the two conical wheels are oppositely arranged according to the smaller end of the two conical wheels. The axis of the transmission shaft of the other group of transmission mechanisms is vertical to the axis of the placed workpiece, the transmission shaft of the group of transmission mechanisms is a radial transmission shaft 9, two helical gears 9 which are separated from each other are fixedly sleeved on the radial transmission shaft 9, two idler wheels 8 are arranged on the machine frame 6 corresponding to the two helical gears 9, and the two idler wheels 8 are respectively contacted with the corresponding helical gears 9 and driven by the helical gears 9 to rotate. The rollers of the two groups of transmission mechanisms are arranged at the positions where the workpieces are contacted with the workpieces after being placed on the supporting piece and are arranged according to the direction that the axis is parallel to the axis of the placed workpieces. The three-phase asynchronous motor 11 is provided with two output shafts which are respectively connected with mutually vertical transmission shafts of the two transmission mechanisms through a worm gear mechanism and drive the two transmission shafts to rotate.
The longitudinal driving system B includes a rail housing 21, a carriage housing 18 for connecting a welding gun, and a motor serving as a power source. A row of pulleys 20 are respectively arranged on two sides of the top and the upper part of the guide rail seat 21, a chain wheel 23 is respectively arranged on the other two sides of the guide rail seat 21, and the pulleys 20 are arranged in the axial direction of the workpiece after being placed in the circumferential driving system; a sliding seat 19 is arranged at the lower part of the bracket seat 18, the sliding seat 19 is provided with a groove with a downward opening, the groove is clamped at the upper part of the bracket seat 18, the lower surface of the top of the groove and the corresponding inner walls at two sides are respectively provided with two pulleys which are separated up and down, and a sliding rail which is matched with the pulley 20 corresponding to the guide rail seat 21 to slide is formed between the two pulleys at the same groove wall of the groove; the chain 26 fixed with the slide carriage 19 is sleeved between the chain wheels 23 on both sides of the rail seat 21 to form a sliding device, wherein one chain wheel is connected with the chain wheel 22 used as a power source. When a longitudinal welding seam is welded, the starting motor drives the chain wheel to rotate, and the chain drives the sliding seat to slide on the guide rail seat.
The floating welding gun system C comprises an adjustable bracket, a welding gun 14 and an insulating pinch roller 13, wherein the welding gun 14 is mounted on the bracket, and the insulating pinch roller is used for limiting the distance between the welding gun and a workpiece. The insulating pressing member 13 is positioned corresponding to the welding torch 14. The bracket comprises a bracket B15 fixedly connected with the bracket seat 18 of the longitudinal driving system B and a bracket A12 rotatably connected with a bracket B15, and a mechanism is defined between the bracket A12 and the bracket B15, and the mechanism of the mechanism is defined as follows: two ends of a pulling spring 16 are respectively connected with the bracket A12 and the bracket B15, the bracket B15 is provided with a convex block which is opposite to and separated from the bracket A12 up and down, the convex block arranged on the bracket B15 is positioned below the bracket A12, and the positioning bolt 17 penetrates through the convex block from down and the tail end of the positioning bolt is propped against the bottom surface of the bracket A12.
When the welding equipment is used, firstly, the sheet iron is rolled into a pipe body, then the butt joint part of the pipe wall of a single pipe body is manually subjected to spot welding, so that the single pipe body is formed into a fixed shape, then a plurality of pipe bodies are subjected to head-to-tail butt joint and fixed by spot welding, and a workpiece with a fixed shape after manual spot welding is placed on a supporting piece of a circumference driving system. And then the bracket A rotates to a proper height around a hinged point of the bracket A and the bracket B by screwing in or withdrawing the positioning bolt, so that the insulating pressing wheel fixed on the bracket A is abutted against the outer wall of the workpiece, and the welding gun at the position corresponding to the insulating pressing wheel is separated from the workpiece by a proper arc striking distance.
When a circumferential welding seam is welded (namely the butt joint of two adjacent pipe bodies is welded), a motor of the longitudinal driving system is started to drive the chain to drive the sliding seat to move to a proper position; then starting a power source of the circumferential driving system, and simultaneously connecting the welding gun and the workpiece with a power supply; at the moment, a motor of the circumference driving system drives a longitudinal transmission shaft and a radial transmission shaft to synchronously rotate, two idler wheels fixed on the longitudinal transmission shaft rotate, two helical gears fixed on the radial transmission shaft simultaneously drive two idler wheels in contact with the helical gears to rotate, and when the idler wheels of the two groups of transmission mechanisms rotate, a welding gun for rotationally fixing a workpiece is driven by friction force to form a circumferential welding seam on the rotating workpiece.
When a longitudinal welding seam is welded (namely the pipe wall butt joint part of a single pipe body), the circumferential driving system is closed, a motor of the longitudinal driving system is started, a welding gun and a workpiece are connected with a power supply, the motor drives the chain wheel to rotate, the chain drives the sliding seat to slide on the guide rail seat, and the welding gun moves on the sliding rail along with the support seat fixedly connected with the welding gun to weld the fixed workpiece.
Claims (10)
1. A semi-automatic welding apparatus for tubes made of sheet material, characterized in that: the device comprises a circumferential driving system A, a longitudinal driving system B and a floating welding gun system C, wherein the circumferential driving system A, the longitudinal driving system B and the floating welding gun system C are used for driving a workpiece to rotate; wherein,
the circumference driving system A comprises a supporting piece (7) for placing a workpiece and a driving device for driving the workpiece to rotate, and the driving device is driven by a power source (11);
the longitudinal driving system B comprises a power source (22), a slide rail and a sliding device, wherein the sliding device is matched with the slide rail and is driven by the power source to move on the slide rail;
the floating torch system C includes a torch (14) adjustably mounted on a slide of the longitudinal drive system B.
2. Semi-automatic welding apparatus according to claim 1, characterized in that: the circumferential driving system A also comprises a frame (6), and the driving device and the plurality of supporting pieces (7) are arranged on the frame (6); the plurality of supporting pieces (7) are arranged on two sides of the axis of the placed workpiece to form a plurality of supporting fulcrums; the driving device comprises at least one group of transmission mechanisms, each group of transmission mechanisms comprises a transmission shaft and a plurality of rollers driven by the transmission shaft, the transmission shafts are mounted on the rack (6) and driven by the power source (11), and the rollers are mounted at positions where the workpieces are contacted after being placed on the supporting piece and are arranged according to the direction parallel to the axis of the placed workpieces.
3. Semi-automatic welding apparatus according to claim 2, characterized in that: the driving device comprises two groups of transmission mechanisms, wherein the axes of transmission shafts of one group of transmission mechanisms are respectively parallel to the axes of the placed workpieces, the transmission shafts of the group of transmission mechanisms are longitudinal transmission shafts (5), and two spaced rollers (4) are fixedly sleeved on the longitudinal transmission shafts (5); the axis of the transmission shaft of the other group of transmission mechanisms is vertical to the axis of the placed workpiece, the transmission shaft of the group of transmission mechanisms is a radial transmission shaft (9), two helical gears (9) which are separated are fixedly sleeved on the radial transmission shaft (9), two idler wheels (8) are arranged on the rack (6) corresponding to the two helical gears (9), and the two idler wheels (8) are respectively contacted with the corresponding helical gears (9) and driven by the helical gears (9) to rotate; the power source (11) of the circumferential driving system is a motor, the motor is provided with two output shafts, and the two output shafts are respectively connected with mutually vertical transmission shafts of the two transmission mechanisms through a worm gear mechanism and drive the two transmission shafts to rotate.
4. Semi-automatic welding apparatus according to claim 1, characterized in that: the roller (7) of the longitudinal transmission mechanism of the circumferential driving system A is a cone pulley, and the two cone pulleys are fixedly sleeved on the longitudinal transmission shaft (5) in a mode that one end with a smaller size is opposite.
5. Semi-automatic welding apparatus according to claim 1, characterized in that: the longitudinal driving system B comprises a guide rail seat (21) and a bracket seat (18) used for connecting a welding gun, a row of pulleys (20) are respectively arranged on two sides of the upper part of the guide rail seat (21), a chain wheel (23) is respectively arranged on the other two sides, the pulleys (20) are arranged in the axial direction of the workpiece after being placed in the circumferential driving system; a sliding seat (19) is arranged at the lower part of the bracket seat (18), the sliding seat (19) is provided with a groove with a downward opening, the groove is clamped at the upper part of the bracket seat (18), two pulleys which are vertically separated are arranged on the inner walls of two corresponding sides of the groove, and a sliding rail which is matched with the pulley (20) of the guide rail seat (21) to slide is formed between the two pulleys on the same inner wall of the groove; and a chain (26) fixed with the sliding seat (19) is sleeved between chain wheels (23) at two sides of the guide rail seat (21) to form a sliding device, wherein one chain wheel is connected with a motor (22) used as a power source.
6. Semi-automatic welding apparatus according to claim 1, characterized in that: the top of a guide rail seat (21) of the longitudinal driving system B is also provided with a row of pulleys parallel to the pulleys on two sides of the guide rail seat, the lower surface of the top of the groove of the sliding seat (19) is provided with two pulleys which are vertically separated, and a sliding rail which is matched with the pulley (20) on the top of the guide rail seat (21) to slide is formed between the two pulleys.
7. Semi-automatic welding apparatus according to claim 1, characterized in that: the floating welding gun system C comprises an adjustable bracket, welding guns (14) and insulating pressing pieces (13), wherein the welding guns (14) are all arranged on the bracket, and the insulating pressing pieces are used for limiting the distance between the welding guns and a workpiece; the insulating pressing piece (13) corresponds to the welding gun (14) in position, the support comprises a support B (15) fixedly connected with a support seat (18) of the longitudinal driving system B and a support A (12) rotatably connected with the support B (15), and a mechanism is defined between the support A (12) and the support B (15), and the mechanism for defining the mechanism is as follows: two ends of a pulling spring (16) are respectively connected with the support A (12) and the support B (15), the support B (15) is provided with a convex block which is opposite to and separated from the support A (12) up and down, and a positioning bolt (17) capable of adjusting the distance between the convex block and the support A (12) is screwed between the convex block and the support A.
8. Semi-automatic welding apparatus according to claim 1, characterized in that: a projection arranged on a support B (15) of the floating welding gun system C is positioned below a support A (12), and a positioning bolt (17) penetrates through the projection from the bottom and the tail end of the positioning bolt is abutted against the bottom surface of the support A (12).
9. Semi-automatic welding apparatus according to claim 1, characterized in that: the bearing piece (7) and/or the insulation pressing piece (13) are wheel bodies, the bearing piece is a supporting wheel (7), the supporting wheel (7) is rotatably arranged on the rack (6), and the insulation pressing piece is an insulation pressing wheel (13).
10. Semi-automatic welding apparatus according to claim 1, characterized in that: the circumferential driving system is provided with four bearing parts (7) to form four bearing supporting points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202625014U CN201728492U (en) | 2010-07-19 | 2010-07-19 | Semi-automatic welding equipment for pipe made of sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202625014U CN201728492U (en) | 2010-07-19 | 2010-07-19 | Semi-automatic welding equipment for pipe made of sheet material |
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| Publication Number | Publication Date |
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| CN201728492U true CN201728492U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202625014U Expired - Lifetime CN201728492U (en) | 2010-07-19 | 2010-07-19 | Semi-automatic welding equipment for pipe made of sheet material |
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| CN102357709A (en) * | 2011-10-18 | 2012-02-22 | 中联重科股份有限公司 | Automatic welding method for circumferential weld of round pipe fitting |
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- 2010-07-19 CN CN2010202625014U patent/CN201728492U/en not_active Expired - Lifetime
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| CN102357717B (en) * | 2011-10-18 | 2015-01-21 | 中联重机股份有限公司 | Welding gun adjusting device and automatic welding machine |
| CN102357717A (en) * | 2011-10-18 | 2012-02-22 | 中联重科股份有限公司 | Welding gun adjusting device and automatic welding machine |
| CN102357709B (en) * | 2011-10-18 | 2015-01-21 | 中联重科股份有限公司 | Multilayer multi-pass automatic welding method for circumferential weld of round pipe fitting |
| CN102357709A (en) * | 2011-10-18 | 2012-02-22 | 中联重科股份有限公司 | Automatic welding method for circumferential weld of round pipe fitting |
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| CN104759740A (en) * | 2015-04-07 | 2015-07-08 | 西南石油大学 | Device and method for welding high steel grade and large wall thickness pipeline steel |
| CN105290696A (en) * | 2015-11-13 | 2016-02-03 | 杭州西湖喷泉设备成套有限公司 | Welding base special for welding of cylindrical workpieces |
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| CN107649774B (en) * | 2017-11-13 | 2023-09-26 | 淄博市金达冲剪有限公司 | Intelligent welding device for stator core buckle piece |
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| CN110153540A (en) * | 2019-05-10 | 2019-08-23 | 河北力特工程机械有限公司 | Upset butt welder is used in a kind of welding of rotor of turbogenerator set coil |
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| CN110828069A (en) * | 2019-11-12 | 2020-02-21 | 陕西迈拓克能源科技有限公司 | Pipe stranding machine for wire and cable processing |
| CN110828069B (en) * | 2019-11-12 | 2021-08-17 | 四川蓝电电缆科技有限公司 | Pipe stranding machine for wire and cable processing |
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Address after: 528222, Guangdong City, Foshan Province Nanhai town lion town Sanhuan West Industrial Development Zone Patentee after: Guangdong Modena Technology Limited Address before: 528222, Guangdong City, Foshan Province Nanhai town lion town Sanhuan West Industrial Development Zone Patentee before: Foshan Modena Mechanical Co., Ltd. |
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