CN209736893U - Welding tool for pipe box - Google Patents
Welding tool for pipe box Download PDFInfo
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- CN209736893U CN209736893U CN201920500165.3U CN201920500165U CN209736893U CN 209736893 U CN209736893 U CN 209736893U CN 201920500165 U CN201920500165 U CN 201920500165U CN 209736893 U CN209736893 U CN 209736893U
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Abstract
The utility model discloses a welding tool of a tube box, which comprises a lifting column part, a beam part and a welding gun; the lifting column part comprises a vertical upright post and a first sliding seat which is lifted along the upright post; the beam part comprises a horizontal cross arm arranged on the first sliding seat, a second sliding seat moving along the horizontal cross arm and a connecting frame connected with the second sliding seat; the welding gun is arranged on the connecting frame; the welding tool further comprises a rotating device arranged below the beam part and a rolling supporting device arranged on the rotating device, and the rolling supporting device is used for supporting a workpiece. The utility model discloses a work piece around the rotation of horizontal axis and around the rotation of vertical axis, welder can go up and down, horizontal migration simultaneously to realized the multi-angle adjustment function of work piece and welder's position adjustment, made things convenient for location and welding operation, improved welding efficiency and quality, reduced operating personnel's intensity of labour.
Description
Technical Field
the utility model relates to a frock for welding the box work piece of pipe especially relates to a frock for welding shell and tube heat exchanger.
background
The shell-and-tube heat exchanger has simple structure, low cost and easy cleaning, and is the most widely used heat exchanger type at present.
the welding of the pipe box mainly aims at the longitudinal welding seam of the cylinder body, the annular welding seams at two ends and the connecting pipe welding seam at the joint of the cylinder body and the connecting pipe. The tooling device in the prior art can only meet the working requirements of longitudinal welding seams or annular welding seams, cannot meet the requirements of three types of welding seams simultaneously, needs to replace tooling and adjust angles according to procedures, is difficult to position, is complex to operate, and has low welding working efficiency, poor quality and high labor intensity of operators.
SUMMERY OF THE UTILITY MODEL
The utility model provides a welding frock of pipe case, its purpose: the multi-angle adjusting function of the workpiece and the position adjustment of the welding gun are realized, the positioning and the operation are convenient, the efficiency and the welding quality are improved, and the labor intensity is reduced.
the utility model discloses technical scheme as follows:
a welding tool for a tube box comprises a lifting column part, a beam part and a welding gun;
The lifting column part comprises a vertical upright column, a first sliding seat lifting along the upright column and a lifting driving mechanism driving the first sliding seat to lift;
the beam part comprises a horizontal cross arm arranged on the first sliding seat, a second sliding seat moving along the horizontal cross arm, a connecting frame connected with the second sliding seat and a movement driving mechanism for driving the second sliding seat to move;
the welding gun is arranged on the connecting frame;
the welding tool further comprises a rotating device arranged below the beam part and a rolling supporting device arranged on the rotating device, and the rolling supporting device is used for supporting a workpiece;
The rotating device comprises a base and a workbench which is arranged on the base through a bearing;
The rolling support device comprises a body arranged on the workbench and two moving tables horizontally moving along the body, wherein two groups of driving roller frames are symmetrically arranged on one moving table, and two groups of driven roller frames are symmetrically arranged on the other moving table;
The driving roller frame and the driven roller frame respectively comprise a pincerlike frame and two groups of rollers arranged on the pincerlike frame, and the pincerlike frames are arranged on corresponding mobile stations in a rotating connection mode;
The driving roller frame also comprises a group of input gears, two groups of output gears and two groups of idle wheels, wherein the input gears are fixedly arranged on an input shaft of the driving roller frame, the two groups of output gears are respectively and fixedly connected with the two groups of rollers, the input gears are respectively meshed with the two groups of idle wheels, and the two groups of idle wheels are meshed with the two groups of output gears in a one-to-one correspondence manner;
The axis of the rotary connection part between the clamp frame and the mobile station is coincided with the axis of the input shaft of the driving roller frame;
And the mobile platform provided with the driving roller carriers is also provided with a rolling driving device, and the rolling driving device is used for driving the input shafts in the two groups of driving roller carriers to synchronously rotate.
as a further improvement of the device: the lifting driving mechanism comprises a first motor, a first speed reducer, a first lead screw and a first nut arranged on the first sliding seat;
The first screw rod is vertically arranged, two ends of the first screw rod are respectively installed on an upright post through a bearing device, the first nut is matched with the first screw rod, a vertical first guide rail is further installed on the upright post, and the first sliding seat is in sliding fit with the first guide rail; the first motor is connected with the first lead screw through a first speed reducer, and the first motor and the first speed reducer are fixedly installed at the top of the upright post.
as a further improvement of the device: the moving driving mechanism comprises a second motor, a second speed reducer, a second lead screw and a second nut arranged on the second sliding seat;
the second screw rod is horizontally arranged, two ends of the second screw rod are respectively installed on a cross arm through a bearing device, the second nut is matched with the second screw rod, a horizontal second guide rail is further installed at the top of the cross arm, and the second sliding seat is in sliding fit with the second guide rail; the second motor is connected with the second lead screw through a second speed reducer, the second speed reducer is a right-angle speed reducer, and the second motor and the second speed reducer are fixedly installed on the horizontal cross arm.
As a further improvement of the device: the connecting frame is U-shaped, two vertical plates of the connecting frame are respectively connected with two ends of the second sliding seat, a transverse plate part of the connecting frame is positioned below the transverse arm, and the welding gun is installed on the transverse plate.
as a further improvement of the device: a third horizontal guide rail is arranged on the body, a sliding block is arranged on the third guide rail, and the mobile station is arranged on the sliding block;
The two groups of mobile stations also respectively correspond to one group: a third screw, a third nut and a handle; the third lead screw is horizontally arranged, two ends of the third lead screw are respectively arranged on the body through bearing devices, the handle is arranged at the outer end of the third lead screw, and the third nut is matched with the third lead screw and is arranged at the bottom of the mobile platform.
as a further improvement of the device: the rolling driving device comprises a third motor, a first right-angle transmission box, a transmission shaft and a second right-angle transmission box, wherein an output shaft of the third motor is connected with an input shaft of the first right-angle transmission box, the first right-angle transmission box is provided with two output shafts, one output shaft is connected with an input shaft of one driving roller frame, the other output shaft is connected with an input shaft of the second right-angle transmission box through the transmission shaft, and an output shaft of the second right-angle transmission box is connected with an input shaft of the other driving roller frame.
As a further improvement of the device: the rotating device further comprises a rotating driving mechanism for driving the workbench to rotate, and the rotating driving mechanism comprises a worm and gear mechanism and an operating handle; the worm wheel part of the worm wheel and worm mechanism is coaxially and fixedly connected with the workbench, two ends of the worm part are installed on the base through bearing devices, and the operating handle is installed at the outer end of the worm part.
compared with the prior art, the utility model discloses following positive effect has: (1) the utility model realizes the rotation of the workpiece around the horizontal axis and the rotation around the vertical axis, and the welding gun can be lifted and horizontally moved, thereby realizing the multi-angle adjustment function of the workpiece and the position adjustment of the welding gun, facilitating the positioning and welding operation, improving the welding efficiency and quality, and reducing the labor intensity of operators; (2) the roller frame is of a double-roller structure and is arranged on the mobile platform in a rotating connection mode, when a workpiece is placed on the rollers, the rollers are opened to a proper angle along with the falling of the workpiece, the small-diameter tube box only uses the rollers below for supporting, and the large-diameter tube box uses two rollers for supporting simultaneously, so that the rotating requirements of workpieces with different diameters can be met, manual adjustment is not needed, and the stability is good; (3) the positions of the two groups of roller frames can be adjusted at will, and the device can be suitable for pipe boxes with different lengths; (4) the two groups of driving roller frames can realize synchronous rotation through the right-angle transmission box and the transmission shaft, so that the rotation of a workpiece is ensured to be stable at a constant speed; (5) the rotating device adopts a worm and gear mechanism for transmission, is convenient to operate and accurate in positioning, and can avoid welding failure caused by misoperation by means of the self-locking characteristic of the worm and gear mechanism.
Drawings
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a rolling support device portion.
fig. 3 is a schematic structural view of the driving roller frame and the rolling driving device.
fig. 4 is a schematic structural view of a driven roller frame portion.
Detailed Description
The technical scheme of the utility model is explained in detail below with the attached drawings:
Referring to fig. 1, a welding tool for a tube box includes a lifting column part 100, a beam part 200, and a welding gun 300.
the lifting column part 100 comprises a vertical column and a first sliding seat 106 which lifts along the vertical column, and further comprises a lifting driving mechanism which drives the first sliding seat 106 to lift.
Specifically, the lifting driving mechanism comprises a first motor 101, a first speed reducer 102, a first lead screw 104 and a first nut 105 mounted on a first sliding seat 106;
The first lead screw 104 is vertically arranged, two ends of the first lead screw are respectively installed on an upright post through a bearing device, the first nut 105 is matched with the first lead screw 104, the upright post is also provided with a vertical first guide rail 103, and the first sliding seat 106 is in sliding fit with the first guide rail 103; the first motor 101 is connected with the first lead screw 104 through a first speed reducer 102, and the first motor 101 and the first speed reducer 102 are fixedly installed at the top of the upright post.
the beam portion 200 includes a horizontal cross arm mounted on the first carriage 106, a second carriage 206 moving along the horizontal cross arm, and a link bracket 207 connected to the second carriage 206, and further includes a movement driving mechanism for driving the second carriage 206 to move.
specifically, the movement driving mechanism comprises a second motor 201, a second speed reducer 202, a second lead screw 204 and a second nut 203 mounted on a second sliding seat 206;
The second screw 204 is horizontally arranged, two ends of the second screw are respectively mounted on a cross arm through bearing devices, the second nut 203 is matched with the second screw 204, a horizontal second guide rail 205 is further mounted at the top of the cross arm, and the second sliding seat 206 is in sliding fit with the second guide rail 205; the second motor 201 is connected with the second lead screw 204 through a second speed reducer 202, the second speed reducer 202 is a right-angle speed reducer, the second motor 201 and the second speed reducer 202 are fixedly mounted on a horizontal cross arm, and the second motor 201 can be placed at the top of the cross arm in the structural form, so that wiring and maintenance are facilitated.
the connecting frame 207 is U-shaped, two vertical plates of the connecting frame 207 are respectively connected with two ends of the second slide carriage 206, a transverse plate portion of the connecting frame 207 is located below the transverse arm, and the welding gun 300 is installed on the transverse plate.
The lifting driving mechanism and the moving driving mechanism can also be in other structural forms, such as linear movement realized by a gear rack mechanism or linear movement of a driving part by a chain wheel and a transmission chain mechanism. The first rail 103 and the second rail 205 are preferably in the form of dovetail rails, and may be linear rails.
The welding torch 300 is mounted on the connection frame 207 through a bracket, so that the welding torch 300 can be controlled to move up and down and horizontally by the first motor 101 and the second motor 201. The support is also provided with a fastening nut and a fastening bolt, and the angle of the welding gun 300 can be finely adjusted after the nut is loosened.
the welding tool further comprises a rotating device 600 arranged below the beam portion 200 and a rolling support device 500 arranged on the rotating device 600, wherein the rolling support device 500 is used for supporting the workpiece 400;
The swivel device 600 includes a base 602 and a table 604 mounted on the base 602 by bearings.
the rotating device 600 further comprises a rotation driving mechanism for driving the workbench 604 to rotate, wherein the rotation driving mechanism comprises a worm and gear mechanism 601 and an operating handle 603; the worm wheel part of the worm and gear mechanism 601 is coaxially and fixedly connected with the workbench 604, two ends of the worm part are installed on the base 602 through a bearing device, and the operating handle 603 is installed at the outer end of the worm part.
As shown in fig. 2, the rolling support device 500 includes a main body 501 mounted on a table 604, and two moving tables 507 horizontally moving along the main body 501, wherein two sets of driving roller frames 508 are symmetrically mounted on one moving table 507, and two sets of driven roller frames 509 are symmetrically mounted on the other moving table 507.
a horizontal third guide rail 505 is arranged on the body 501, a sliding block 506 is arranged on the third guide rail 505, and the mobile station 507 is arranged on the sliding block 506;
The two sets of mobile stations 507 also correspond to one set each: a third lead screw 502, a third nut 503, and a handle 504; the third screw 502 is horizontally arranged, two ends of the third screw are respectively installed on the body 501 through bearing devices, the handle 504 is installed at the outer end of the third screw 502, and the third nut 503 is matched with the third screw 502 and installed at the bottom of the mobile station 507.
And the manual rotary handle 504 and the corresponding third screw 502 rotate to drive the third nut 503 and the moving table 507 to move along the third guide rail 505, so that the position of the roller frame is adjusted to adapt to the tube boxes with different lengths.
as shown in fig. 3 and 4, the driving roller frame 508 and the driven roller frame 509 each include a pincer frame and two sets of rollers mounted on the pincer frame, and the pincer frame is mounted on the corresponding movable table 507 by means of a rotary connection. The roller is a steel-rubber combined roller, the rubber material wrapped on the outer surface has the characteristics of wear resistance, high temperature resistance and flame retardance, and the whole driving force is strong.
As shown in fig. 3, the driving roller frame 508 further includes a set of input gears 508-1, two sets of output gears 508-3 and two sets of idle gears 508-2, the input gears 508-1 are fixedly mounted on the input shaft of the driving roller frame 508, the two sets of output gears 508-3 are respectively and fixedly connected to the two sets of rollers, the input gears 508-1 are respectively engaged with the two sets of idle gears 508-2, and the two sets of idle gears 508-2 are engaged with the two sets of output gears 508-3 in a one-to-one correspondence manner. The two groups of idle wheels 508-2 are completely the same, the two groups of output gears 508-3 are completely the same, and when the input gear 508-1 rotates along with the input shaft, the two groups of output gears 508-3 drive the two groups of rollers to synchronously rotate.
The axis of the rotary connection between the clamp frame and the moving table 507 coincides with the axis of the input shaft of the driving roller frame 508, so that the position of the input shaft does not change and the transmission of power is not influenced when the clamp frame rotates.
Because the roller frame adopts a double-roller structure and is arranged on the moving platform 507 in a rotating connection mode, when the workpiece 400 is placed on the rollers, as shown in fig. 3 and 4, the rollers can be opened to a proper angle along with the falling of the workpiece 400, the small-diameter tube box only uses the roller support below, and the large-diameter tube box uses two rollers to simultaneously support, so that the rotation requirements of workpieces 400 with different diameters can be met, manual adjustment is not needed, and the stability is good.
as shown in fig. 3, a rolling driving device is further disposed on the moving table 507 on which the driving roller frames 508 are mounted, and the rolling driving device is used for driving the input shafts of the two sets of driving roller frames 508 to rotate synchronously.
specifically, the rolling driving device includes a third motor 510, a first right-angle transmission case 511, a transmission shaft 512 and a second right-angle transmission case 513, an output shaft of the third motor 510 is connected with an input shaft of the first right-angle transmission case 511, the first right-angle transmission case 511 has two output shafts, one output shaft is connected with an input shaft of one driving roller frame 508, the other output shaft is connected with an input shaft of the second right-angle transmission case 513 through the transmission shaft 512, and an output shaft of the second right-angle transmission case is connected with an input shaft of the other driving roller frame 508. The third motor 510 drives the first drive roller frame 508 through the first right-angle gear box 511, and also drives the other drive roller frame 508 to rotate through the transmission shaft 512 and the second right-angle gear box 513.
the welding steps are as follows:
1. Rolling a cylindrical barrel of the tube box;
2. Adjusting the positions and the intervals of the two groups of roller frames to adapt to the length of the pipe box;
3. Placing the barrel on a roller frame, enabling the longitudinal seam of the barrel to be positioned right above through the rotation of the roller, and rotating a workbench 604 to enable the longitudinal seam of the barrel to be parallel to the cross arm;
4. the height of the welding gun 300 is adjusted through the lifting driving mechanism, so that the longitudinal seam distance between the welding gun 300 and the barrel meets the welding requirement, and the left and right positions of the welding gun 300 are adjusted through the moving driving mechanism, so that the welding gun 300 is positioned on an arc striking plate at the end part of the barrel;
5. starting welding, and driving the welding gun 300 to move at a constant speed through the second motor 201 to complete the welding of the longitudinal welding line of the cylinder;
6. Sealing heads or flanges at two ends of the pipe box;
7. Moving the position of the welding gun 300 along the cross arm, enabling the welding gun 300 to be positioned right above the circular weld, keeping the welding gun 300 still, driving the roller to rotate through a third motor 510, and driving the pipe box to rotate along the central axis of the pipe box to complete the welding of the circular weld;
8. Connecting pipes on the pipe box;
9. The roller is rotated to enable the connecting pipe on the pipe box to be positioned above, and the connecting pipe is coaxial with the rotation axis of the workbench 604; the height and the horizontal position of the welding gun 300 are adjusted to be close to the position of the connecting pipe welding seam, the angle of the welding gun 300 can be finely adjusted, the welding gun 300 is kept still, the workbench 604 is rotated to weld the connecting pipe welding seam, and the height and the position of the welding gun 300 can be finely adjusted in real time in the welding process.
Claims (7)
1. The utility model provides a welding frock of pipe case which characterized in that: comprises a lifting column part (100), a beam part (200) and a welding gun (300);
The lifting column part (100) comprises a vertical upright post, a first sliding seat (106) which lifts along the upright post and a lifting driving mechanism which drives the first sliding seat (106) to lift;
the beam part (200) comprises a horizontal cross arm arranged on a first sliding seat (106), a second sliding seat (206) moving along the horizontal cross arm, a connecting frame (207) connected with the second sliding seat (206), and a movement driving mechanism for driving the second sliding seat (206) to move;
The welding gun (300) is arranged on the connecting frame (207);
the welding tool further comprises a rotating device (600) arranged below the beam part (200) and a rolling supporting device (500) arranged on the rotating device (600), wherein the rolling supporting device (500) is used for supporting the workpiece (400);
the slewing device (600) comprises a base (602) and a workbench (604) mounted on the base (602) through a bearing;
The rolling support device (500) comprises a body (501) arranged on a workbench (604) and two moving tables (507) horizontally moving along the body (501), wherein two groups of driving roller frames (508) are symmetrically arranged on one moving table (507), and two groups of driven roller frames (509) are symmetrically arranged on the other moving table (507);
the driving roller frame (508) and the driven roller frame (509) respectively comprise a pincerlike frame and two groups of rollers arranged on the pincerlike frame, and the pincerlike frames are arranged on corresponding mobile platforms (507) in a rotating connection mode;
the driving roller frame (508) further comprises a group of input gears (508-1), two groups of output gears (508-3) and two groups of idle gears (508-2), the input gears (508-1) are fixedly installed on an input shaft of the driving roller frame (508), the two groups of output gears (508-3) are respectively and fixedly connected with the two groups of rollers, the input gears (508-1) and the two groups of idle gears (508-2) are respectively meshed, and the two groups of idle gears (508-2) are meshed with the two groups of output gears (508-3) in a one-to-one corresponding mode;
The axis of the rotary connection between the clamp frame and the mobile station (507) is coincident with the axis of the input shaft of the driving roller frame (508);
and a rolling driving device is also arranged on the moving platform (507) provided with the driving roller carriers (508), and the rolling driving device is used for driving the input shafts in the two groups of driving roller carriers (508) to synchronously rotate.
2. the welding tool for the tube box according to claim 1, wherein: the lifting driving mechanism comprises a first motor (101), a first speed reducer (102), a first lead screw (104) and a first nut (105) arranged on a first sliding seat (106);
The first lead screw (104) is vertically arranged, two ends of the first lead screw are respectively installed on an upright post through bearing devices, the first nut (105) is matched with the first lead screw (104), a vertical first guide rail (103) is further installed on the upright post, and the first sliding seat (106) is in sliding fit with the first guide rail (103); the first motor (101) is connected with the first lead screw (104) through a first speed reducer (102), and the first motor (101) and the first speed reducer (102) are fixedly installed at the top of the upright post.
3. The welding tool for the tube box according to claim 1, wherein: the moving driving mechanism comprises a second motor (201), a second speed reducer (202), a second lead screw (204) and a second nut (203) arranged on a second sliding seat (206);
The second lead screw (204) is horizontally arranged, two ends of the second lead screw are respectively installed on a cross arm through bearing devices, the second nut (203) is matched with the second lead screw (204), a horizontal second guide rail (205) is further installed at the top of the cross arm, and the second sliding seat (206) is in sliding fit with the second guide rail (205); the second motor (201) is connected with the second lead screw (204) through a second speed reducer (202), the second speed reducer (202) is a right-angle speed reducer, and the second motor (201) and the second speed reducer (202) are fixedly installed on the horizontal cross arm.
4. The welding tool for the tube box according to claim 3, wherein: the connecting frame (207) is U-shaped, two vertical plates of the connecting frame (207) are respectively connected with two ends of the second sliding seat (206), a transverse plate part of the connecting frame (207) is positioned below a transverse arm, and the welding gun (300) is arranged on the transverse plate.
5. The welding tool for the tube box according to claim 1, wherein: a horizontal third guide rail (505) is arranged on the body (501), a sliding block (506) is arranged on the third guide rail (505), and the moving table (507) is arranged on the sliding block (506);
The two groups of mobile stations (507) also respectively correspond to one group: a third lead screw (502), a third nut (503) and a handle (504); the third lead screw (502) is horizontally arranged, two ends of the third lead screw are respectively installed on the body (501) through bearing devices, the handle (504) is installed at the outer end of the third lead screw (502), and the third nut (503) is matched with the third lead screw (502) and installed at the bottom of the mobile station (507).
6. The welding tool for the tube box according to claim 1, wherein: the rolling driving device comprises a third motor (510), a first right-angle transmission box (511), a transmission shaft (512) and a second right-angle transmission box (513), an output shaft of the third motor (510) is connected with an input shaft of the first right-angle transmission box (511), the first right-angle transmission box (511) is provided with two output shafts, one output shaft is connected with the input shaft of one driving roller frame (508), the other output shaft is connected with the input shaft of the second right-angle transmission box (513) through the transmission shaft (512), and the output shaft of the second right-angle transmission box is connected with the input shaft of the other driving roller frame (508).
7. The welding tool for the tube box according to any one of claims 1 to 6, wherein: the rotating device (600) further comprises a rotating driving mechanism for driving the workbench (604) to rotate, and the rotating driving mechanism comprises a worm and gear mechanism (601) and an operating handle (603); the worm wheel part of the worm and gear mechanism (601) is coaxially and fixedly connected with the workbench (604), two ends of the worm part are installed on the base (602) through bearing devices, and the operating handle (603) is installed at the outer end of the worm part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500165.3U CN209736893U (en) | 2019-04-15 | 2019-04-15 | Welding tool for pipe box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500165.3U CN209736893U (en) | 2019-04-15 | 2019-04-15 | Welding tool for pipe box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209736893U true CN209736893U (en) | 2019-12-06 |
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ID=68720794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920500165.3U Active CN209736893U (en) | 2019-04-15 | 2019-04-15 | Welding tool for pipe box |
Country Status (1)
| Country | Link |
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| CN (1) | CN209736893U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936096A (en) * | 2019-12-27 | 2020-03-31 | 无锡华联科技集团有限公司 | Oil collecting pipe welding device |
| CN111922994A (en) * | 2020-08-07 | 2020-11-13 | 贵州电网有限责任公司 | Control cabinet assembling device of primary and secondary fusion equipment test system |
| CN112222662A (en) * | 2020-10-22 | 2021-01-15 | 沈昊澎 | Automatic welding device for large boiler pipeline |
| CN113967819A (en) * | 2021-11-17 | 2022-01-25 | 浙江海洋大学 | Self-adjusting welding roller frame |
| CN114447823A (en) * | 2020-10-30 | 2022-05-06 | 河南平高电气股份有限公司 | GIS conductor self-cleaning device |
| CN114850748A (en) * | 2022-05-09 | 2022-08-05 | 湖北工程学院 | Welding device |
| CN116329839A (en) * | 2023-04-03 | 2023-06-27 | 湖北人杰特种汽车科技有限公司 | Assembly welding device for truck mounted crane boom |
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2019
- 2019-04-15 CN CN201920500165.3U patent/CN209736893U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936096A (en) * | 2019-12-27 | 2020-03-31 | 无锡华联科技集团有限公司 | Oil collecting pipe welding device |
| CN110936096B (en) * | 2019-12-27 | 2024-05-28 | 无锡华联科技集团有限公司 | Oil collecting pipe welding device |
| CN111922994A (en) * | 2020-08-07 | 2020-11-13 | 贵州电网有限责任公司 | Control cabinet assembling device of primary and secondary fusion equipment test system |
| CN112222662A (en) * | 2020-10-22 | 2021-01-15 | 沈昊澎 | Automatic welding device for large boiler pipeline |
| CN112222662B (en) * | 2020-10-22 | 2022-01-07 | 苏州海陆重工股份有限公司 | Automatic welding device for large boiler pipeline |
| CN114447823A (en) * | 2020-10-30 | 2022-05-06 | 河南平高电气股份有限公司 | GIS conductor self-cleaning device |
| CN114447823B (en) * | 2020-10-30 | 2023-10-20 | 河南平高电气股份有限公司 | GIS conductor self-cleaning device |
| CN113967819A (en) * | 2021-11-17 | 2022-01-25 | 浙江海洋大学 | Self-adjusting welding roller frame |
| CN113967819B (en) * | 2021-11-17 | 2023-09-22 | 浙江海洋大学 | Self-adjusting welding roller frame |
| CN114850748A (en) * | 2022-05-09 | 2022-08-05 | 湖北工程学院 | Welding device |
| CN116329839A (en) * | 2023-04-03 | 2023-06-27 | 湖北人杰特种汽车科技有限公司 | Assembly welding device for truck mounted crane boom |
| CN116329839B (en) * | 2023-04-03 | 2023-11-21 | 湖北人杰特种汽车科技有限公司 | Assembly welding device for truck mounted crane boom |
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