CN117961724A - Polishing device and polishing method for inner weld joint of pipe end of spiral pipe - Google Patents
Polishing device and polishing method for inner weld joint of pipe end of spiral pipe Download PDFInfo
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- CN117961724A CN117961724A CN202410389981.7A CN202410389981A CN117961724A CN 117961724 A CN117961724 A CN 117961724A CN 202410389981 A CN202410389981 A CN 202410389981A CN 117961724 A CN117961724 A CN 117961724A
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- 238000005498 polishing Methods 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 238000003466 welding Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims description 4
- 238000007517 polishing process Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing device and a polishing method for an inner welding line of a spiral pipe end, which belong to the technical field of polishing of the inner welding line of the spiral pipe end and comprise a sliding frame, wherein a polishing mechanism is slidably arranged on the sliding frame and comprises a polishing wheel mounting frame, a rotating shaft is rotatably arranged on the polishing wheel mounting frame, a polishing wheel is fixed at the front end of the rotating shaft, a polishing belt is wound on the outer side of the polishing wheel, and a polishing motor drives the rotating shaft to rotate through a transmission system so as to drive the polishing belt to polish; the control system calculates a spiral space curve of the inner weld joint of the pipe end polishing section according to the size parameter of the steel pipe, and controls the polishing belt to polish along the spiral space curve. According to the invention, the spatial position of the inner welding seam of the spiral pipe can be automatically positioned according to the steel pipe size parameter of the spiral pipe, the polishing device only polishes the convex part of the inner welding seam, unnecessary polishing is reduced, polishing is more targeted, and polishing workload is reduced.
Description
Technical Field
The invention relates to a polishing device and a polishing method for inner welding seams of a pipe end of a spiral pipe, and belongs to the technical field of polishing of inner welding seams of the pipe end of the spiral pipe.
Background
Spiral welded steel pipes are steel pipes which are formed by bending steel strips or steel plates into shapes such as circles and squares and then welding the steel strips or the steel plates into the shapes with joints on the surfaces, and can be divided into arc welded pipes, high-frequency or low-frequency resistance welded pipes, gas welded pipes, furnace welded pipes, bundi pipes and the like according to different welding methods, and can be divided into straight welded pipes and spiral welded pipes according to the shapes of welding joints. The spiral welded steel pipe has lower cost and higher production efficiency than the seamless steel pipe, and along with the development of society, the spiral welded steel pipe is increasingly widely applied, and a polishing device is often required to polish the welding seam of the spiral welded steel pipe in the production of the spiral welded steel pipe.
In practical application, the welding seam of the inner wall of the steel pipe forms a bulge, and in certain occasions, the two ends of the pipeline are required to be connected, so that the flatness of the pipeline end is required, the existing polishing device generally stretches into the end of the steel pipe through a polishing head corresponding to the inner diameter of the steel pipe to polish the whole circumference of the inner wall of the steel pipe, the inner wall of the steel pipe is actually uneven, the welding seam bulge of the inner wall of the steel pipe is formed, the workload of the pipe end inner wall full-range polishing mode is increased, and excessive polishing is caused.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides the polishing device and the polishing method for the inner welding line of the pipe end of the spiral pipe, which can automatically position the spatial position of the inner welding line of the spiral pipe according to the size parameters of the steel pipe of the spiral pipe, and the polishing device only polishes the convex part of the inner welding line, so that unnecessary polishing is reduced, the polishing is more targeted, and the polishing workload is reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the polishing device comprises a sliding frame, wherein a polishing mechanism is slidably arranged on the sliding frame, the polishing mechanism comprises a polishing wheel mounting frame, a rotating shaft is rotatably arranged on the polishing wheel mounting frame, the front end of the rotating shaft is fixedly provided with a polishing wheel, a polishing belt is wound on the outer side of the polishing wheel, and a polishing motor drives the rotating shaft to rotate through a transmission system so as to drive the polishing belt to polish;
The control system calculates a spiral space curve of the inner weld joint of the pipe end polishing section according to the size parameter of the steel pipe, and controls the polishing belt to polish along the spiral space curve.
Further, the front side of the polishing belt is vertically provided with a limiting rod, the upper end of the limiting rod is fixed on a fixed square tube, the fixed square tube is fixed on a polishing wheel mounting frame, and the position of the limiting rod on the fixed square tube is adjustable up and down.
Further, the tensioning wheel is arranged above the polishing wheel, the polishing belt is wound on the polishing wheel and the tensioning wheel, the tensioning device is arranged on the polishing wheel mounting frame, and the tensioning wheel is rotatably arranged on the tensioning device.
Further, the spiral tube and the driving roller are mutually attached to be transmitted, the driving roller is driven by the stepping motor, and the stepping motor transmits rotation data of the spiral tube to the control system in real time.
Further, the spiral pipe is mutually attached to the driving roller for transmission, the driving roller is driven by a common motor, the fixed square pipe is provided with a meter counter, the meter counter is matched with the inner wall of the spiral pipe, and the meter counter transmits rotation data of the spiral pipe to the control system in real time.
Further, the sliding frame comprises a first sliding rod which is vertically arranged, a sliding mounting plate is slidably arranged on the first sliding rod, and a grinding wheel mounting frame is arranged on the sliding mounting plate;
The upside level of sliding mounting panel is equipped with the fixed plate, vertical second slide bar that is equipped with between fixed plate and the sliding mounting panel, wheel mounting bracket slidable mounting is on the second slide bar polishes, be equipped with compression spring between wheel mounting bracket and the fixed plate.
Further, the carriage still includes bottom plate and the roof that sets up in the bottom, and four corners between bottom plate and the roof all are equipped with first slide bar, and the intermediate position between bottom plate and the roof rotates installs first lead screw, is equipped with first nut on the sliding mounting panel, first nut and first lead screw mutually support, are equipped with the promotion motor on the roof.
Further, the bottom plate is slidably mounted on the base through the sliding rail, a second nut is fixed at the bottom of the bottom plate, a second screw rod is rotatably mounted in the second nut, the second screw rod is driven by the translation motor, and the second screw rod rotates to drive the second nut to move, so that the sliding frame and the polishing mechanism at the upper end are driven to move forwards and backwards.
A polishing method for an inner weld joint of a pipe end of a spiral pipe comprises the following steps:
S1, inputting steel pipe size parameters of a spiral pipe into a control system, wherein the steel pipe size parameters comprise the inner diameter of the steel pipe, the outer diameter of the steel pipe and the pitch of a spiral weld;
S2, the control system calculates a spiral space curve of an inner weld joint of the pipe end polishing section according to the size parameter of the steel pipe;
s3, manually controlling a polishing mechanism, and placing a polishing belt at the upper end of a welding line to be polished on the inner side of the spiral pipe;
And S4, in the polishing process, the stepping motor driving the spiral pipe to rotate transmits rotation data of the spiral pipe to the control system in real time, and the control system drives the polishing belt to polish along the spiral space curve of the inner weld seam forwards according to the rotation data of the spiral pipe and the spiral space curve calculated in the step S2.
Further, in step S4, the rotation data of the spiral pipe is transmitted to the control system in real time through the meter counter, and the control system drives the polishing belt to polish forward along the spiral space curve of the inner weld according to the rotation data of the spiral pipe and the spiral space curve calculated in step S2.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
Before polishing, inputting the steel pipe size parameters of the spiral pipe into a control system, and calculating a spiral space curve of an inner welding line of a pipe end polishing section according to the steel pipe size parameters by the control system; the driving roller drives the spiral tube to rotate, the driving roller is driven by a common motor, and the meter counter transmits rotation data of the spiral tube to the control system in real time; the translation motor can drive the sliding frame and the polishing mechanism to move forwards, and the control system drives the polishing belt to polish forwards along the spiral space curve of the inner welding seam according to the rotation data of the spiral pipe and the spiral space curve, so that the polishing device only polishes the convex part of the inner welding seam, unnecessary polishing is reduced, polishing is more targeted, and polishing workload is reduced.
The invention will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of an assembled structure of the grinding wheel;
Fig. 6 is a perspective view of a part of the structure of the present invention.
In the drawing the view of the figure,
1-Sliding frame, 101-lifting motor, 102-first screw rod, 103-bottom plate, 104-first sliding rod, 105-sliding mounting plate, 106-fixed plate, 107-second sliding rod, 108-compression spring, 109-first nut, 110-top plate, 2-polishing motor, 3-track, 4-limit rack, 5-limit plate, 6-polishing wheel mounting frame, 7-rotating shaft, 8-polishing belt, 9-polishing wheel, 10-tensioning wheel, 1101-fixed square tube, 1102-limit rod, 12-meter, 13-tensioning device, 14-second nut, 15-second screw rod, 16-translation motor, 17-sliding rail, 18-base and 19-track wheel.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-6, the invention provides a polishing device for an inner welding seam of a pipe end of a spiral pipe, which comprises a sliding frame 1, wherein a polishing mechanism is slidably arranged on the sliding frame 1, the polishing mechanism comprises a polishing wheel mounting frame 6, a rotating shaft 7 is rotatably arranged on the polishing wheel mounting frame 6, a polishing wheel 9 is fixed at the front end of the rotating shaft 7, a polishing belt 8 is wound on the outer side of the polishing wheel 9, and a polishing motor 2 drives the rotating shaft 7 to rotate through a transmission system, so that the polishing belt 8 is driven to polish.
The invention further comprises a control system, before polishing, the steel pipe size parameters of the spiral pipe are input into the control system, the steel pipe size parameters comprise the inner diameter of the steel pipe, the outer diameter of the steel pipe and the pitch of the spiral weld, the control system calculates the spiral space curve of the inner weld of the pipe end polishing section according to the steel pipe size parameters, and the polishing belt 8 polishes along the spiral space curve.
The top of grinding wheel 9 is equipped with the tight pulley 10 that rises, and the belt 8 that polishes twines on grinding wheel 9 and tight pulley 10 that rises, is equipped with tight device 13 that rises on the grinding wheel mounting bracket 6, and tight pulley 10 that rises rotates installs on tight device 13 that rises.
The front side of the polishing belt 8 is vertically provided with a limiting rod 1102, the upper end of the limiting rod 1102 is fixed on a fixed square tube 1101, the fixed square tube 1101 is fixed on a polishing wheel mounting frame 6, and the position of the limiting rod 1102 on the fixed square tube 1101 is adjustable up and down. The inner weld of the spiral pipe is spiral, when the polishing belt 8 polishes the inner weld, the limiting rod 1102 on the front side of the inner weld is opposite to the non-weld area of the spiral pipe, the non-weld area of the spiral pipe is used as a reference of polishing height, the relative position of the lower end of the limiting rod 1102 relative to the lowest point of the polishing belt 8 is adjusted to control the height of the polished weld, and when the limiting rod 1102 is propped against the pipe wall of the non-weld area, polishing is completed.
When polishing, the outer wall of the spiral pipe is mutually attached to a driving roller (not shown in the figure) for transmission, the driving roller drives the spiral pipe to rotate, the driving roller is driven by a stepping motor, before polishing, the manual driving of the polishing device aims at the outer end point of the inner welding line at the lower end of the polishing belt 8, and when polishing, the stepping motor transmits rotation data of the spiral pipe to a control system in real time, and the control system controls the polishing device to polish the inner welding line according to the rotation data and the spiral space curve.
In a more preferred embodiment, the outer wall of the spiral pipe and a driving roller (not shown in the figure) are mutually attached and driven, the driving roller drives the spiral pipe to rotate, the driving roller is driven by a common motor, the fixed square pipe 1101 is provided with a meter 12, as shown in fig. 2, the meter 12 is matched with the inner wall of the spiral pipe, the meter 12 transmits rotation data of the spiral pipe to a control system in real time, and the control system controls the polishing device to polish an inner weld according to the rotation data and the spiral space curve.
The sliding frame 1 comprises a first sliding rod 104 which is vertically arranged, a sliding mounting plate 105 is slidably mounted on the first sliding rod 104, and a grinding wheel mounting frame 6 is mounted on the sliding mounting plate 105.
The upside level of sliding mounting plate 105 is equipped with fixed plate 106, vertical second slide bar 107 that is equipped with between fixed plate 106 and the sliding mounting plate 105, grinding wheel mounting bracket 6 slidable mounting is on second slide bar 107, be equipped with compression spring 108 between grinding wheel mounting bracket 6 and the fixed plate 106, make grinding machanism elastic mounting on carriage 1, during the polishing, the error of the vertical displacement of belt 8 of polishing exists, because grinding machanism elastic mounting is on carriage 1, realizes belt 8 and spiral pipe flexible contact of polishing.
The sliding frame 1 further comprises a bottom plate 103 and a top plate 110 which are arranged at the bottom, first sliding rods 104 are arranged at four corners between the bottom plate 103 and the top plate 110, a first screw rod 102 is rotatably arranged at the middle position between the bottom plate 103 and the top plate 110, a first nut 109 is arranged on the sliding mounting plate 105, the first nut 109 and the first screw rod 102 are mutually matched, a lifting motor 101 is arranged on the top plate 110, the lifting motor 101 drives the first screw rod 102 to rotate, and the rotation of the first screw rod 102 drives the sliding mounting plate 105 to move up and down, so that the polishing mechanism is adjusted to move up and down. Before polishing, the polishing belt 8 is arranged on the welding line in the spiral pipe by adjusting the position of the polishing mechanism up and down.
The bottom plate 103 is slidably mounted on the base 18 through the sliding rail 17, a second nut 14 is fixed at the bottom of the bottom plate 103, a second screw rod 15 is rotatably mounted on the second nut 14, the second screw rod 15 is driven by the translation motor 16, and the second screw rod 15 rotates to drive the second nut 14 to move, so that the sliding frame 1 and the polishing mechanism at the upper end are driven to move back and forth. The polishing belt 8 polishes along the inner weld joint of the spiral pipe by rotating the spiral pipe and moving the polishing mechanism back and forth.
The rail wheel 19 is installed to the bottom of base 18, is equipped with track 3 subaerial, and rail wheel 19 rolls on track 3 for this grinding device can back-and-forth long distance removal.
The base 18 rear end is equipped with limiting plate 5, and subaerial along this grinding device's direction of movement is equipped with spacing rack 4, after this grinding device reaches the preset position, cooperatees limiting plate 5 and spacing rack 4 to carry out spacingly to this grinding device.
The working principle of the device is as follows: before polishing, inputting steel pipe size parameters of the spiral pipe into a control system, wherein the steel pipe size parameters comprise the inner diameter of the steel pipe, the outer diameter of the steel pipe and the pitch of a spiral weld joint, and the control system calculates a spiral space curve of an inner weld joint of a pipe end polishing section according to the steel pipe size parameters; the driving roller drives the spiral tube to rotate, the driving roller is driven by a common motor, and the meter counter 12 transmits rotation data of the spiral tube to the control system in real time; the translation motor 16 can drive the sliding frame 1 and the polishing mechanism to move forwards, and the control system drives the polishing belt 8 to polish forwards along the spiral space curve of the inner weld seam according to the rotation data of the spiral pipe and the spiral space curve. Therefore, the polishing device only polishes the convex part of the inner welding seam, unnecessary polishing is reduced, polishing is more targeted, and polishing workload is reduced.
The invention also provides a polishing method of the device, which comprises the following steps:
S1, inputting steel pipe size parameters of a spiral pipe into a control system, wherein the steel pipe size parameters comprise the inner diameter of the steel pipe, the outer diameter of the steel pipe and the pitch of a spiral weld;
S2, the control system calculates a spiral space curve of an inner weld joint of the pipe end polishing section according to the size parameter of the steel pipe;
S3, manually controlling a polishing mechanism, and placing a polishing belt 8 at the upper end of a welding line to be polished on the inner side of the spiral pipe;
And S4, in the polishing process, the stepping motor driving the spiral pipe to rotate transmits rotation data of the spiral pipe to the control system in real time, and the control system drives the polishing belt 8 to polish along the spiral space curve of the inner weld seam forwards according to the rotation data of the spiral pipe and the spiral space curve calculated in the step S2.
In some embodiments, in step S4, the rotational data of the spiral pipe is transmitted in real time to the control system through the meter 12, and the control system drives the polishing belt 8 to polish forward along the spiral space curve of the inner weld according to the rotational data of the spiral pipe and the spiral space curve calculated in step S2.
Only need be through manual control grinding machanism in the process of polishing, will polish belt 8 and arrange the inboard upper end of the welding seam that will polish of spiral pipe in, control system according to the rotation data of spiral pipe with spiral space curve drive polish belt 8 is preceding to polish along the spiral space curve of interior welding seam, has realized polishing to the protruding part of interior welding seam only, has reduced unnecessary and has polished for polish more pertinence, the work load of polishing reduces.
The foregoing is illustrative of the best mode of carrying out the invention, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the invention is defined by the claims, and any equivalent transformation based on the technical teaching of the invention is also within the protection scope of the invention.
Claims (10)
1. A spiral pipe end inner weld grinding device which is characterized in that: the polishing device comprises a sliding frame (1), wherein a polishing mechanism is slidably arranged on the sliding frame (1), the polishing mechanism comprises a polishing wheel mounting frame (6), a rotating shaft (7) is rotatably arranged on the polishing wheel mounting frame (6), a polishing wheel (9) is fixed at the front end of the rotating shaft (7), a polishing belt (8) is wound on the outer side of the polishing wheel (9), and a polishing motor (2) drives the rotating shaft (7) to rotate through a transmission system so as to drive the polishing belt (8) to polish;
the device further comprises a control system, wherein the control system calculates a spiral space curve of an inner welding line of the pipe end polishing section according to the size parameter of the steel pipe, and controls the polishing belt (8) to polish along the spiral space curve.
2. A spiral pipe end inner weld grinding apparatus as defined in claim 1, wherein: the front side of belt (8) polishes is vertical to be equipped with spacing stick (1102), and the upper end of spacing stick (1102) is fixed on fixed side's pipe (1101), fixed side's pipe (1101) are fixed in on polishing wheel mounting bracket (6), the position of spacing stick (1102) on fixed side's pipe (1101) is adjustable from top to bottom.
3. A spiral pipe end inner weld grinding apparatus as defined in claim 1, wherein: the top of grinding wheel (9) is equipped with tight pulley (10) that rises, and belt (8) twines on grinding wheel (9) and tight pulley (10) that rises, is equipped with tight device (13) that rises on grinding wheel mounting bracket (6), and tight pulley (10) that rises rotate and install on tight device (13) that rises.
4. A spiral pipe end inner weld grinding apparatus as defined in claim 2, wherein: the spiral tube is mutually attached to the driving roller for transmission, the driving roller is driven by the stepping motor, and the stepping motor transmits rotation data of the spiral tube to the control system in real time.
5. A spiral pipe end inner weld grinding apparatus as defined in claim 2, wherein: the spiral tube is mutually attached to the driving roller for transmission, the driving roller is driven by a common motor, the fixed square tube (1101) is provided with a meter counter (12), the meter counter (12) is matched with the inner wall of the spiral tube, and the meter counter (12) transmits rotation data of the spiral tube to the control system in real time.
6. A spiral pipe end inner weld grinding apparatus as defined in claim 1, wherein: the sliding frame (1) comprises a first sliding rod (104) which is vertically arranged, a sliding mounting plate (105) is slidably mounted on the first sliding rod (104), and a grinding wheel mounting frame (6) is mounted on the sliding mounting plate (105);
The upper side level of sliding mounting board (105) is equipped with fixed plate (106), vertically be equipped with second slide bar (107) between fixed plate (106) and the sliding mounting board (105), grinding wheel mounting bracket (6) slidable mounting is on second slide bar (107), be equipped with compression spring (108) between grinding wheel mounting bracket (6) and fixed plate (106).
7. A spiral pipe end inner weld grinding apparatus as defined in claim 6, wherein: the sliding frame (1) further comprises a bottom plate (103) and a top plate (110) which are arranged at the bottom, first sliding rods (104) are arranged at four corners between the bottom plate (103) and the top plate (110), a first screw rod (102) is rotatably arranged at the middle position between the bottom plate (103) and the top plate (110), a first nut (109) is arranged on the sliding mounting plate (105), the first nut (109) is mutually matched with the first screw rod (102), and a lifting motor (101) is arranged on the top plate (110).
8. A spiral pipe end inner weld grinding apparatus as defined in claim 7, wherein: the bottom plate (103) is slidably mounted on the base (18) through the sliding rail (17), a second nut (14) is fixed at the bottom of the bottom plate (103), a second screw rod (15) is rotatably mounted on the second nut (14), the second screw rod (15) is driven by the translation motor (16), and the second screw rod (15) rotates to drive the second nut (14) to move, so that the sliding frame (1) at the upper end and the polishing mechanism are driven to move forwards and backwards.
9. A method for polishing an inner weld at a pipe end of a spiral pipe, for realizing the polishing device for an inner weld at a pipe end of a spiral pipe according to any one of claims 1 to 8, comprising: the method comprises the following steps:
S1, inputting steel pipe size parameters of a spiral pipe into a control system, wherein the steel pipe size parameters comprise the inner diameter of the steel pipe, the outer diameter of the steel pipe and the pitch of a spiral weld;
S2, the control system calculates a spiral space curve of an inner weld joint of the pipe end polishing section according to the size parameter of the steel pipe;
S3, manually controlling a polishing mechanism, and arranging a polishing belt (8) at the upper end of a welding line to be polished on the inner side of the spiral pipe;
And S4, in the polishing process, the stepping motor driving the spiral pipe to rotate transmits rotation data of the spiral pipe to the control system in real time, and the control system drives the polishing belt (8) to polish forward along the spiral space curve of the inner weld seam according to the rotation data of the spiral pipe and the spiral space curve calculated in the step S2.
10. A method of polishing an inner weld at a tube end of a coiled tube according to claim 9, wherein: in the step S4, the rotation data of the spiral pipe are transmitted to the control system in real time through the meter counter (12), and the control system drives the polishing belt (8) to polish along the spiral space curve of the inner weld seam forwards according to the rotation data of the spiral pipe and the spiral space curve calculated in the step S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410389981.7A CN117961724A (en) | 2024-04-02 | 2024-04-02 | Polishing device and polishing method for inner weld joint of pipe end of spiral pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410389981.7A CN117961724A (en) | 2024-04-02 | 2024-04-02 | Polishing device and polishing method for inner weld joint of pipe end of spiral pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117961724A true CN117961724A (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410389981.7A Pending CN117961724A (en) | 2024-04-02 | 2024-04-02 | Polishing device and polishing method for inner weld joint of pipe end of spiral pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117961724A (en) |
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| CN204843748U (en) * | 2015-07-30 | 2015-12-09 | 沧州市鑫宜达钢管集团股份有限公司 | Inside weld grinding device |
| CN108032147A (en) * | 2017-12-08 | 2018-05-15 | 上海航天设备制造总厂有限公司 | Spiral inner wall line weld grinding control method and device |
| CN110253368A (en) * | 2019-06-14 | 2019-09-20 | 长安大学 | It is same inside and outside a kind of self-propelled steel pipe seam of electromagnet absorption to repair equipment |
| CN110355660A (en) * | 2019-08-14 | 2019-10-22 | 宝鸡石油钢管有限责任公司 | A kind of pipe end inner and outer welding automatic polishing device for spiral welded pipe production line |
| CN209868228U (en) * | 2019-04-23 | 2019-12-31 | 河北鑫瑞得管道设备有限公司 | Steel bushing steel inner weld grinding equipment |
| CN111347329A (en) * | 2020-02-28 | 2020-06-30 | 宝鸡宇喆工业科技有限公司 | Grinding and polishing method of grinding and polishing robot for weld joints at pipe ends of spiral steel pipes |
| CN111451898A (en) * | 2020-02-28 | 2020-07-28 | 宝鸡宇喆工业科技有限公司 | Grinding and polishing robot for weld joints at pipe ends of spiral steel pipes |
-
2024
- 2024-04-02 CN CN202410389981.7A patent/CN117961724A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129062A (en) * | 1975-01-30 | 1978-12-12 | Bergmann & Steffen Ohg | Machine for machining tubes having helical weld seams |
| CN101323100A (en) * | 2008-06-30 | 2008-12-17 | 浙江金洲管道科技股份有限公司 | Butt-welding weld joint automatic coping device |
| CN203542276U (en) * | 2013-09-30 | 2014-04-16 | 番禺珠江钢管有限公司 | Feeding device for grinding head of pipe end outer weld grinding machine |
| CN204843748U (en) * | 2015-07-30 | 2015-12-09 | 沧州市鑫宜达钢管集团股份有限公司 | Inside weld grinding device |
| CN108032147A (en) * | 2017-12-08 | 2018-05-15 | 上海航天设备制造总厂有限公司 | Spiral inner wall line weld grinding control method and device |
| CN209868228U (en) * | 2019-04-23 | 2019-12-31 | 河北鑫瑞得管道设备有限公司 | Steel bushing steel inner weld grinding equipment |
| CN110253368A (en) * | 2019-06-14 | 2019-09-20 | 长安大学 | It is same inside and outside a kind of self-propelled steel pipe seam of electromagnet absorption to repair equipment |
| CN110355660A (en) * | 2019-08-14 | 2019-10-22 | 宝鸡石油钢管有限责任公司 | A kind of pipe end inner and outer welding automatic polishing device for spiral welded pipe production line |
| CN111347329A (en) * | 2020-02-28 | 2020-06-30 | 宝鸡宇喆工业科技有限公司 | Grinding and polishing method of grinding and polishing robot for weld joints at pipe ends of spiral steel pipes |
| CN111451898A (en) * | 2020-02-28 | 2020-07-28 | 宝鸡宇喆工业科技有限公司 | Grinding and polishing robot for weld joints at pipe ends of spiral steel pipes |
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