CN211804555U - Fixing device for weldment welding operation - Google Patents
Fixing device for weldment welding operation Download PDFInfo
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- CN211804555U CN211804555U CN201922161843.0U CN201922161843U CN211804555U CN 211804555 U CN211804555 U CN 211804555U CN 201922161843 U CN201922161843 U CN 201922161843U CN 211804555 U CN211804555 U CN 211804555U
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- 238000003466 welding Methods 0.000 title claims abstract description 65
- 210000002445 nipple Anatomy 0.000 claims 1
- 210000001503 joint Anatomy 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Abstract
The utility model provides a fixing device for weldment welding operation, which belongs to the technical field of welding and comprises a base, a shaft sleeve, a plate clamp and a pipe clamp, wherein the base is provided with a stand column; at least one shaft sleeve is arranged on the upright post; the plate fixture is connected with any shaft sleeve, a base is arranged on the plate fixture, two plate fixing seats with adjustable intervals are arranged on the base, one of the plate fixing seats is fixed relative to the base, a first groove and a first locking piece are arranged on the plate fixing seat, the first groove is used for inserting a plate, and the first locking piece is used for pressing and fixing the plate in the first groove; the pipe clamp is connected with any shaft sleeve, the pipe clamp is provided with a pipe fixing seat, a second groove and a second locking part are arranged on the pipe fixing seat, the second groove is used for inserting a pipe, and the second locking part is used for pressing and fixing the pipe in the second groove. The utility model provides a be used for weldment welding operation's applicable multiple specification weldment welding of fixing device.
Description
Technical Field
The utility model belongs to the technical field of the welding, more specifically say, relate to a fixing device for weldment welding operation.
Background
In the research and development of welding technology, data extraction needs to be carried out on weldments of different types or different welding angles. When the welding technique training is exercised, a student is required to repeatedly operate and exercise weldments of different models and different welding angles, so that the complex situation of actual welding can be adapted to after the guarantee. The existing weldment fixing device can only adapt to the weldments of single models or the welding at single angles, and if different weldment fixing devices are manufactured according to the weldments of different models or different welding angles, space needs to be placed, and cost is wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixing device for weldment welding operation aims at solving the weldment welded problem that current weldment fixing device can only adapt to single model.
In order to achieve the above object, the utility model adopts the following technical scheme: the fixing device for the weldment welding operation comprises a base, a shaft sleeve, a plate clamp and a pipe clamp, wherein the base is provided with an upright post; at least one shaft sleeve is arranged on the upright post; the plate fixture is connected with any shaft sleeve, a base is arranged on the plate fixture, two plate fixing seats with adjustable intervals are arranged on the base, one of the plate fixing seats is fixed relative to the base, a first groove and a first locking piece which rotatably extends into the first groove are formed in the plate fixing seat, the first groove is used for inserting plates, and the first locking piece is used for pressing and fixing the plates in the first groove; the pipe clamp is connected with any shaft sleeve, the pipe clamp is provided with a pipe fixing seat, a second groove and a second locking piece which stretches into the second groove in a rotating mode are arranged on the pipe fixing seat, the second groove is used for inserting pipes, and the second locking piece is used for pressing and fixing the pipes in the second groove.
As another embodiment of this application, panel anchor clamps pass through the ball seat and link to each other with the axle sleeve, are equipped with location screw hole on the ball seat, and location screw hole threaded connection has set screw, and the base is articulated with the ball seat ball, and the base passes through set screw to be fixed on the ball seat.
As another embodiment of this application, be equipped with the connecting plate on the axle sleeve, be equipped with the arc wall on the connecting plate, the tubular product anchor clamps are equipped with the connecting rod, and the one end and the connecting plate of connecting rod rotate to be connected, and the connecting rod is located the centre of a circle of arc wall with the rotation tie point of connecting plate, and the middle section of connecting rod passes through fixed subassembly and arc wall sliding connection to fix in the optional position of arc wall, the tubular product fixing base is connected to the other end of connecting.
As another embodiment of the application, the fixing component is a bolt and a nut, and the bolt penetrates through the connecting rod and is in threaded connection with the arc-shaped groove and the nut.
As another embodiment of the application, the connecting plate is marked with an arc-shaped scale strip, and the arc-shaped scale strip corresponds to the arc-shaped groove.
As another embodiment of the application, the connecting rod is provided with a connecting sleeve, the pipe fixing seat is provided with a cylindrical boss, the boss is sleeved in the connecting sleeve, and the boss can rotate around the axis direction of the connecting sleeve and is fixed at any position.
As another embodiment of the application, the outer wall of the connecting sleeve is provided with a circular dial, the boss is provided with a pointer, and the pointer is used for indicating scales on the dial.
As another embodiment of the application, the fixing device further comprises an obstacle welding fixture, the obstacle welding fixture comprises a support, a pipe positioning seat, a connecting seat and a first adjusting screw, and the support is connected with the shaft sleeve; the pipe positioning seat is arranged on the support and used for installing and fixing a pipe; the connecting seats are arranged on the support, at least one connecting seat is arranged on the periphery of the pipe positioning seat, the connecting seats are in spherical hinge joint with the stop rods, and the connecting seats are provided with adjusting threaded holes; the first adjusting screw is arranged corresponding to the connecting seat and in threaded connection with the adjusting threaded hole, and the first adjusting screw is used for fixing the stop lever.
As another embodiment of the application, the pipe positioning seat is provided with a mounting hole, the mounting hole is used for inserting a pipe, the pipe positioning seat is provided with a fixing threaded hole, the fixing threaded hole is in threaded connection with a second adjusting screw, and the second adjusting screw is used for fixing the pipe.
As another embodiment of this application, be equipped with first locating hole on the axle sleeve, be equipped with a plurality of through-holes on the stand, the axle sleeve is fixed through first positioning bolt and the first set nut of mutually supporting.
The utility model provides a fixing device for weldment welding operation's beneficial effect lies in: compared with the prior art, the utility model is used for weldment welding operation's fixing device sets up at least one axle sleeve on the stand of base, can set up on the axle sleeve that panel anchor clamps also can set up tubular product anchor clamps, perhaps set up simultaneously. The base is arranged on the plate clamp, the plate fixing seat with the adjustable interval is arranged on the base, the first groove and the first locking piece which stretches into the first groove in a rotating mode are arranged on the plate fixing seat, and the plate clamp can be suitable for clamping plates with different lengths and thicknesses. When two panel butt welds, polish earlier the junction of panel, weld the position at the start welding of butt joint and weld the position at the end and carry out the tack welding, then adjust the interval of two panel fixing bases according to the panel size, insert first recess with two panels to press firmly through first retaining member, thereby weld the butt weld. The pipe clamp is provided with a pipe fixing seat, a second groove and a second locking piece which stretches into the second groove in a rotating mode are arranged on the pipe fixing seat, and the pipe clamp can be guaranteed to be suitable for fixing pipes with different thicknesses. The utility model discloses can adapt to the panel of different specifications and the fixed of tubular product, the adaptability is stronger, more makes things convenient for welding operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fixing device for weldment welding operation according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural view of another direction of the fixing device for weldment welding operation according to the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion B of FIG. 3;
fig. 5 is a partial enlarged view of C in fig. 3.
In the figure: 1. a base; 2. a connecting plate; 3. a pipe fixing seat; 4. connecting sleeves; 5. a base; 6. a plate fixing seat; 7. a first locking member; 8. a shaft sleeve; 9. adjusting a rod; 10. a positioning sleeve; 11. a ball seat; 12. A support; 13. a stop lever; 14. a pipe positioning seat; 15. an arc-shaped slot; 16. a connecting rod; 17. a slide rail; 18. A pointer; 19. a dial scale; 20. a second locking member; 21. a second adjusting screw; 22. a set screw; 23. a first adjusting screw; 24. a connecting seat.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a fixing device for welding a weldment according to the present invention will now be described. The fixing device for the weldment welding operation comprises a base 1, a shaft sleeve 8, a plate clamp and a pipe clamp, wherein the base 1 is provided with an upright post; at least one shaft sleeve 8 is arranged, and the shaft sleeves 8 are arranged on the upright posts; the plate fixture is connected with any shaft sleeve 8, a base 5 is arranged on the plate fixture, two plate fixing seats 6 with adjustable intervals are arranged on the base 5, one plate fixing seat 6 is fixed relative to the base 5, a first groove and a first locking piece 7 which rotatably extends into the first groove are formed in the plate fixing seat 6, the first groove is used for inserting plates, and the first locking piece 7 is used for pressing and fixing the plates in the first groove; the pipe clamp is connected with any shaft sleeve 8, the pipe clamp is provided with a pipe fixing seat 3, a second groove and a second locking part 20 which stretches into the second groove in a rotating mode are arranged on the pipe fixing seat 3, the second groove is used for inserting pipes, and the second locking part 20 is used for pressing and fixing the pipes in the second groove.
The utility model provides a fixing device for weldment welding operation compares with prior art, sets up at least one axle sleeve 8 on base 1's stand, can set up panel anchor clamps on the axle sleeve 8 and also can set up tubular product anchor clamps, perhaps set up simultaneously. Set up base 5 on the panel anchor clamps, set up interval adjustable panel fixing base 6 on the base 5, be equipped with first recess and rotatory first retaining member 7 that stretches into first recess on the panel fixing base 6, guaranteed that the panel anchor clamps can adapt to the clamping of the panel of different length, thickness. When two panel butt welds, polish the junction of panel earlier, weld the position at the start welding of butt joint and weld the position at the end and carry out the tack welding, then adjust the interval of two panel fixing bases 6 according to the panel size, insert first recess with two panels to press solid through first retaining member 7, thereby weld the butt weld. The pipe clamp is provided with a pipe fixing seat 3, a second groove and a second locking part 20 which stretches into the second groove in a rotating mode are arranged on the pipe fixing seat 3, and the pipe clamp can be guaranteed to be suitable for fixing pipes with different thicknesses. The utility model discloses can adapt to the panel of different specifications and the fixed of tubular product, the adaptability is stronger, more makes things convenient for welding operation.
In this embodiment, the base 5 is provided with a slide rail 17, one of the plate holders 6 is fixed on the slide rail 17, and the other plate holder 6 is slidably connected to the slide rail 17.
In this embodiment, a first locking threaded hole is formed in the first groove, the first locking member 7 is a first locking screw, and the first locking screw is rotated by the first locking threaded hole to enter the first groove to compress the plate. And a second locking threaded hole is formed in the second groove, the second locking part 20 is a second locking screw, and the second locking screw enters the second groove from the second locking threaded hole to compress the pipe. Taking plate butt welding as an example, because welding deformation during butt welding often leads to two plates not in the coplanar after welding, when carrying out manual welding of plate butt joint, carry out tack welding to two plates off-line first, then measure the contained angle between two plates, guarantee to adjust the contained angle to certain angle through tools such as hammer to compensate welding deformation in subsequent butt joint welding, install butt joint plate on panel anchor clamps after adjusting these.
As the utility model provides a concrete implementation mode for a fixing device for weldment welding operation please refer to fig. 1 and 5, and panel anchor clamps pass through ball seat 11 and link to each other with axle sleeve 8, are equipped with positioning screw hole on the ball seat 11, and positioning screw hole threaded connection has set screw 22, and base 5 is ball-hinged with ball seat 11, and base 5 passes through set screw 22 to be fixed on ball seat 11.
In this embodiment, panel anchor clamps pass through ball seat 11 and connect in axle sleeve 8, and base 5 is in 11 ball joints of ball seat, consequently can rotate panel anchor clamps to different angle exercise welding operation, treat that the panel contained angle rotates suitable angle after, screw up set screw 22 for set screw 22 contradicts the ball joint department on the base 5, thereby fixes the angle of panel anchor clamps. In this embodiment, four positioning threaded holes are uniformly formed in the ball seat 11 in the circumferential direction, and each positioning threaded hole is provided with one positioning screw 22, so that it is ensured that the plate clamp is fixed more stably.
As a specific implementation manner of the embodiment of the utility model, please refer to fig. 1 to 2, be equipped with connecting plate 2 on the axle sleeve 8, be equipped with arc wall 15 on the connecting plate 2, the tubular product anchor clamps are equipped with connecting rod 16, connecting rod 16's one end is rotated with connecting plate 2 and is connected, connecting rod 16 is located the centre of a circle of arc wall 15 with connecting plate 2's rotation tie point, fixed subassembly and 15 sliding connection of arc wall are passed through in connecting rod 16's middle section to fix at the optional position of arc wall 15, tubular product fixing base 3 is connected to connecting rod 16's the other end.
In this embodiment, promote connecting rod 16 and slide along arc-shaped material to it is fixed with connecting rod 16 through fixed subassembly, thereby drive tubular product fixing base 3 and rotate, make by the tubular product of clamping rotate to suitable angle and weld.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 and fig. 2, the fixing component is a bolt and a nut, and the bolt passes through the connecting rod 16 and is connected with the arc-shaped groove 15 and the nut by screw threads. By loosening the nut, the connecting rod 16 slides along the arc-shaped groove 15, and after reaching the angle to be adjusted, the nut is screwed down to fix the connecting rod 16.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 and fig. 2, an arc scale strip is marked on the connecting plate 2, and the arc scale strip corresponds to the arc groove 15. Set up the convenient accurate angle of adjusting of arc scale strip.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the connecting rod 16 is provided with the connecting sleeve 4, the pipe fixing seat 3 is provided with a cylindrical boss, the boss is sleeved in the connecting sleeve 4, and the boss can rotate around the axis direction of the connecting sleeve 4 and is fixed at any position.
In this embodiment, the pipe fixing seat 3 is provided with a cylindrical boss, and the boss is sleeved in the connecting sleeve 4 and can be fixed relative to the connecting sleeve 4. Make tubular product fixing base 3 still can follow the axis rotation of adapter sleeve 4 when following arc wall 15 pivoted, can follow the angle of two directions rotation regulation tubular product to the tubular product welding exercise of different angles can be carried out.
In this embodiment, set up first screw hole on the adapter sleeve 4, first screw hole threaded connection first screw for first screw contradicts boss, fixed tubular product fixing base 3 through screwing up first screw.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, a circular dial 19 is disposed on the outer wall of the connecting sleeve 4, a pointer 18 is disposed on the boss, and the pointer 18 is used for indicating scales on the dial 19. The annular dial 19 and the pointer 18 are arranged, so that the rotation angle of the pipe fixing seat 3 along the axis of the connecting sleeve 4 can be observed conveniently.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to 4, the fixing device further includes an obstacle welding fixture, the obstacle welding fixture includes a support 12, a pipe positioning seat 14, a connecting seat 24, and a first adjusting screw 23, the support 12 is connected to the shaft sleeve 8; the pipe positioning seat 14 is arranged on the support 12, and the pipe positioning seat 14 is used for installing and fixing a pipe; the connecting seats 24 are arranged on the support 12, at least one connecting seat 24 is arranged on the periphery of the pipe positioning seat 14, the connecting seat 24 is in spherical hinge joint with the stop rod 13, and the connecting seat 24 is provided with an adjusting threaded hole; the first adjusting screw 23 is arranged corresponding to the connecting seat 24, the first adjusting screw 23 is in threaded connection with the adjusting threaded hole, and the first adjusting screw 23 is used for fixing the stop lever 13.
In the welding process of reality, for example, the repair of the welding piece on the equipment, because of can't dismantle the welding piece, can have the barrier when repair welding, set up obstacle welding jig and can practice the obstacle welding. The connecting seats 24 are arranged on the support 12, at least one connecting seat 24 is arranged on the periphery of the pipe positioning seat 14, the connecting seat 24 is in spherical hinge connection with the stop lever 13, and the stop lever can be rotated to set obstacles with different angles. When the obstacle welding fixture is used, the obstacle welding fixture is firstly observed and fixed on the pipe positioning seat 14, the first adjusting screw 23 is loosened, the blocking rod is rotated to a proper blocking position, then the first adjusting screw 23 is screwed, and the blocking rod is tightly fixed at a proper position through the first adjusting screw 23 to perform obstacle welding exercise.
As a specific implementation manner of the embodiment of the utility model, please refer to fig. 3 to 4, be equipped with the mounting hole on the tubular product positioning seat 14, the mounting hole is used for cartridge tubular product, is equipped with fixed screw hole on the tubular product positioning seat 14, and fixed screw hole threaded connection second adjusting screw 21, second adjusting screw 21 are used for fixed tubular product. The pipe is inserted into the pipe positioning seat 14, and the second adjusting screw 21 compresses the pipe through the fixing threaded hole, so that the pipe is fixed.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 3, a first positioning hole is disposed on the shaft sleeve 8, a plurality of through holes are disposed on the stand, and the shaft sleeve 8 is fixed by a first positioning bolt and a first positioning nut which are mutually matched. The height of the shaft sleeve 8 can be adjusted by aligning the first positioning hole on the shaft sleeve 8 with the through hole on the upright post.
In this embodiment, the adjusting rod 9 is arranged on the shaft sleeve 8, the locating sleeve 10 is arranged on the ball seat 11 or the support 12, the plurality of through holes are formed in the adjusting rod 9, the second locating hole is formed in the locating sleeve 10, and the locating sleeve 10 is fixed through the second locating bolt and the second locating nut which are matched with each other, so that the distance between the plate clamp or the barrier welding clamp and the stand column can be adjusted, and the position where a welding operator operates more comfortably is adjusted.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A fixture for weldment welding operations comprising:
the base is provided with an upright post;
at least one shaft sleeve is arranged on the upright post;
the plate fixture is connected with any shaft sleeve, a base is arranged on the plate fixture, two plate fixing seats with adjustable intervals are arranged on the base, one of the plate fixing seats is fixed relative to the base, a first groove and a first locking piece which rotatably extends into the first groove are formed in the plate fixing seat, the first groove is used for inserting plates, and the first locking piece is used for pressing and fixing the plates in the first groove;
the pipe clamp is connected with any shaft sleeve, the pipe clamp is provided with a pipe fixing seat, a second groove and a second locking piece which stretches into the second groove in a rotating mode are arranged on the pipe fixing seat, the second groove is used for inserting pipes, and the second locking piece is used for pressing and fixing the pipes in the second groove.
2. The fixture for use in a weldment welding operation of claim 1 wherein said panel clamp is attached to said bushing by a ball seat, said ball seat having a threaded positioning hole, said threaded positioning hole having a set screw threadedly attached thereto, said base being ball-hinged to said ball seat, said base being secured to said ball seat by said set screw.
3. The fixing device for the weldment operation according to claim 1, wherein the shaft sleeve is provided with a connecting plate, the connecting plate is provided with an arc-shaped groove, the pipe clamp is provided with a connecting rod, one end of the connecting rod is rotatably connected with the connecting plate, a rotating connection point of the connecting rod and the connecting plate is located at the center of the arc-shaped groove, the middle section of the connecting rod is slidably connected with the arc-shaped groove through a fixing assembly and is fixed at any position of the arc-shaped groove, and the other end of the connecting rod is connected with the pipe fixing seat.
4. The fixture for a weldment welding operation of claim 3 wherein the fixture assembly is a bolt and a nut, the bolt passing through the connecting rod and threadedly engaging the arcuate slot with the nut.
5. The fixture for a weldment welding operation of claim 4 wherein the web is marked with arcuate scale bars that correspond to the arcuate slots.
6. The fixing device for the weldment welding operation according to claim 5, wherein the connecting rod is provided with a connecting sleeve, the pipe fixing base is provided with a cylindrical boss, the boss is sleeved in the connecting sleeve, and the boss can rotate around the axis direction of the connecting sleeve and is fixed at any position.
7. A fixture for use in a weldment welding operation as recited in claim 6, wherein said nipple has an annular dial on its outer wall, and said boss has a pointer for indicating a scale on the dial.
8. The fixture for a weldment welding operation of claim 1 wherein the fixture further comprises an obstacle weld fixture, the obstacle weld fixture comprising:
the support is connected with the shaft sleeve;
the pipe positioning seat is arranged on the support and used for installing and fixing a pipe;
the connecting seats are arranged on the support, at least one connecting seat is arranged on the periphery of the pipe positioning seat, the connecting seats are in spherical hinge joint with the stop rods, and the connecting seats are provided with adjusting threaded holes; and
the first adjusting screw is arranged corresponding to the connecting seat and in threaded connection with the adjusting threaded hole, and the first adjusting screw is used for fixing the stop lever.
9. The fixture for use in a weldment welding operation as recited in claim 8, wherein said tube positioning seat is provided with mounting holes for receiving a tube, said tube positioning seat is provided with threaded mounting holes for receiving a second adjustment screw, said threaded mounting holes being threaded to receive a second adjustment screw for securing said tube.
10. The fixture for use in a weldment welding operation of claim 1 wherein said bushing has a first locating hole and said stud has a plurality of through holes, said bushing being secured by a first locating bolt and a first locating nut that cooperate with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922161843.0U CN211804555U (en) | 2019-12-05 | 2019-12-05 | Fixing device for weldment welding operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922161843.0U CN211804555U (en) | 2019-12-05 | 2019-12-05 | Fixing device for weldment welding operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211804555U true CN211804555U (en) | 2020-10-30 |
Family
ID=73030926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922161843.0U Expired - Fee Related CN211804555U (en) | 2019-12-05 | 2019-12-05 | Fixing device for weldment welding operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211804555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102042A (en) * | 2021-12-08 | 2022-03-01 | 九江海天设备制造有限公司 | A combined auxiliary device for pipe fitting welding |
| CN116810684A (en) * | 2023-05-24 | 2023-09-29 | 武昌船舶重工集团有限公司 | Auxiliary pipe fitting installation device |
-
2019
- 2019-12-05 CN CN201922161843.0U patent/CN211804555U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102042A (en) * | 2021-12-08 | 2022-03-01 | 九江海天设备制造有限公司 | A combined auxiliary device for pipe fitting welding |
| CN116810684A (en) * | 2023-05-24 | 2023-09-29 | 武昌船舶重工集团有限公司 | Auxiliary pipe fitting installation device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |