CN113617951A - Steel pipe port rounding internal expanding device - Google Patents
Steel pipe port rounding internal expanding device Download PDFInfo
- Publication number
- CN113617951A CN113617951A CN202110908154.0A CN202110908154A CN113617951A CN 113617951 A CN113617951 A CN 113617951A CN 202110908154 A CN202110908154 A CN 202110908154A CN 113617951 A CN113617951 A CN 113617951A
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- China
- Prior art keywords
- steel pipe
- bolted
- bottom plate
- supporting
- supporting steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
Abstract
The invention relates to the technical field of steel pipe rounding, in particular to a steel pipe port rounding inner diameter expanding device which comprises a first bottom plate, wherein a first supporting steel pipe is arranged at the top of the first bottom plate, the bottom of the first supporting steel pipe is bolted with the first bottom plate, a first guide pillar is sleeved in the first supporting steel pipe, two second supporting steel pipes are arranged at the top of the first bottom plate, the bottoms of the second supporting steel pipes are bolted with the first bottom plate, a second guide pillar is sleeved in the second supporting steel pipe, a third supporting steel pipe is arranged at the top of the first bottom plate, and the bottom of the third supporting steel pipe is bolted with the first bottom plate; the device has the advantages of high rounding precision and convenient operation, and solves the problems that the conventional rounding means is that the steel pipe is placed on the press machine for manual rounding, the precision requirement of the roundness of the steel pipe is difficult to achieve, the manual rounding of the press machine needs to be operated repeatedly, the labor intensity is high, and the operation efficiency is low.
Description
Technical Field
The invention relates to the technical field of steel pipe rounding, in particular to a steel pipe port rounding inner expanding device.
Background
In a steel pipe tower structure of a power transmission line, when a steel pipe and a flange are in a butt joint structure, the requirement on the roundness precision of two ends of the steel pipe is high, the allowable deviation of the diameter is +/-1.0 mm, the steel pipe is placed on a press machine by a conventional rounding means and is rounded manually, the precision requirement on the roundness of the steel pipe is difficult to achieve, the roundness of the steel pipe is mainly measured and visually observed, repeated operation and measurement are needed, the labor intensity is high, the operation efficiency is low, and in order to solve the problems, the steel pipe port whole-circle inner diameter expanding device is provided.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a steel pipe port rounding and inner diameter expanding device which has the advantages of high rounding precision and convenience in operation and solves the problems that the precision requirement of the roundness of a steel pipe is difficult to achieve due to the fact that a steel pipe is placed on a press machine to be rounded manually by a conventional rounding means, and the manual operation of the press machine needs to be repeated in rounding, so that the labor intensity is high and the operation efficiency is low.
In order to achieve the purpose, the invention provides the following technical scheme: a steel pipe port rounding inner diameter expanding device comprises a first bottom plate, wherein a first supporting steel pipe is arranged at the top of the first bottom plate, the bottom of the first supporting steel pipe is bolted with the first bottom plate, a first guide pillar is sleeved in the first supporting steel pipe, two second supporting steel pipes are arranged at the top of the first bottom plate, the bottom of each second supporting steel pipe is bolted with the first bottom plate, a second guide pillar is sleeved in the second supporting steel pipe, a third supporting steel pipe is arranged at the top of the first bottom plate, the bottom of the third supporting steel pipe is bolted with the first bottom plate, a lifting threaded shaft is arranged in the third supporting steel pipe, a limiting ring is bolted at the top of the third supporting steel pipe, a limiting bearing is sleeved in the limiting ring, a first threaded sleeve is bolted at the top of the limiting bearing, and the inside of the first threaded sleeve is in threaded connection with the lifting threaded shaft, the top of lift threaded shaft is provided with the backup pad, the top of backup pad is provided with the registration arm, the bottom and the backup pad bolt of registration arm, the one end bolt of registration arm has the second thread bush, the inside cover of registration arm is equipped with the support threaded shaft, the inside and the support threaded shaft threaded connection of second thread bush, one side of first bottom plate is provided with the second bottom plate, the top of second bottom plate is provided with the supporting shoe, the bottom and the second bottom plate bolt of supporting shoe, the top bolt of supporting shoe has the support frame, the steel pipe has been placed at the top of support frame.
Preferably, one end of the supporting threaded shaft is provided with a rotating handle, the inside of the rotating handle is sleeved with the supporting threaded shaft, and anti-skid grains are arranged on the surface of the rotating handle.
Preferably, the roller supporting plates are bolted to two sides of the bottoms of the first bottom plate and the second bottom plate, roller shaft pins are clamped inside the roller supporting plates, and rotating rollers are sleeved on the surfaces of the roller shaft pins.
Preferably, the surface of the first threaded sleeve is provided with a rotating turntable, the interior of the rotating turntable is bolted with the first threaded sleeve, and the surface of the rotating turntable is provided with an anti-skid groove.
Preferably, a first connecting seat is arranged at the top of the lifting threaded shaft, the bottom of the first connecting seat is in bolted connection with the lifting threaded shaft, and the top of the first connecting seat is in bolted connection with the supporting plate.
Preferably, a first limiting inner sleeve is arranged inside the first supporting steel pipe, the surface of the first limiting inner sleeve is bolted with the first supporting steel pipe, and the inside of the first limiting inner sleeve is connected with the first guide pillar in a sliding manner.
Preferably, a second connecting seat is arranged at the top of the first guide pillar, the bottom of the second connecting seat is bolted with the first guide pillar, and the top of the second connecting seat is bolted with the supporting plate.
Preferably, a second limiting inner sleeve is arranged inside the second supporting steel pipe, the surface of the second limiting inner sleeve is bolted with the second supporting steel pipe, and the inside of the second limiting inner sleeve is connected with the second guide pillar in a sliding mode.
Preferably, a third connecting seat is arranged at the top of the second guide pillar, the bottom of the third connecting seat is bolted with the second guide pillar, and the top of the third connecting seat is bolted with the support plate.
Preferably, one end of the supporting threaded shaft is bolted with an internal expansion head, one end of the supporting threaded shaft is rotatably connected with a sealing plate, one side of the sealing plate is bolted with a pressing plate, the top and the bottom of the internal expansion head are both connected with a sliding block in a sliding manner, a rounding die head is clamped on the surface of the sliding block, and one side of the sliding block is connected with the sealing plate in a sliding manner.
Compared with the prior art, the invention has the following beneficial effects:
the steel pipe to be rounded is placed on the top of a support frame, after the position of the steel pipe is adjusted, a first bottom plate is moved to the port of the steel pipe through the cooperation of a rotating roller, then a rotating turntable is rotated to drive a first threaded sleeve and a limiting bearing to rotate, then a lifting threaded shaft is driven to rise or fall through the cooperation of the first threaded sleeve, and simultaneously a first guide pillar and a second guide pillar rise or fall along with the lifting threaded shaft, when the center of a support head reaches the same position height as the center of the steel pipe to be rounded, a rotating handle is rotated to drive the supporting threaded shaft to move through the cooperation of the second threaded sleeve, the sealing plate is driven to move back and forth through the supporting threaded shaft, then a sliding block is driven to slide on the surface of an inner head, a rounding die head is driven to be in contact with the inner wall of the steel pipe by the sliding block, the steel pipe is rounded, and the effect of the steel pipe is achieved, the device has the advantages of high rounding precision and convenient operation, and solves the problems that the conventional rounding means is that the steel pipe is placed on the press machine for manual rounding, the precision requirement of the roundness of the steel pipe is difficult to achieve, the manual rounding of the press machine needs to be operated repeatedly, the labor intensity is high, and the operation efficiency is low.
Drawings
FIG. 1 is a perspective view of the inventive structure;
FIG. 2 is a front view of the inventive structure;
FIG. 3 is a partial sectional view of the inventive patent;
FIG. 4 is a partial sectional view of the inventive patent;
FIG. 5 is a partial sectional view of the inventive patent;
FIG. 6 is an enlarged view of a portion of the invention shown at A in FIG. 1;
fig. 7 is a partial enlarged view of the invention at B in fig. 2.
In the figure: 1. a first base plate; 2. a first support steel pipe; 3. a first guide post; 4. a second support steel pipe; 5. a second guide post; 6. a third support steel pipe; 7. a lifting threaded shaft; 8. a limiting ring; 9. a limit bearing; 10. a first threaded sleeve; 11. a support plate; 12. a positioning tube; 13. a second threaded sleeve; 14. supporting the threaded shaft; 15. an internal expansion head; 16. closing the plate; 17. a second base plate; 18. a support block; 19. a support frame; 20. a steel pipe; 21. rotating the handle; 22. a roller support plate; 23. a roller axle pin; 24. rotating the roller; 25. rotating the turntable; 26. a first connecting seat; 27. a first limiting inner sleeve; 28. a second connecting seat; 29. a second limiting inner sleeve; 30. a third connecting seat; 31. pressing a plate; 32. a slider; 33. and (4) a rounding die head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Referring to fig. 1-7, a steel pipe port rounding inner diameter expanding device comprises a first bottom plate 1, a first supporting steel pipe 2 is arranged at the top of the first bottom plate 1, the bottom of the first supporting steel pipe 2 is bolted with the first bottom plate 1, a first guide pillar 3 is sleeved inside the first supporting steel pipe 2, two second supporting steel pipes 4 are arranged at the top of the first bottom plate 1, the bottom of the second supporting steel pipe 4 is bolted with the first bottom plate 1, a second guide pillar 5 is sleeved inside the second supporting steel pipe 4, a third supporting steel pipe 6 is arranged at the top of the first bottom plate 1, the bottom of the third supporting steel pipe 6 is bolted with the first bottom plate 1, a lifting threaded shaft 7 is arranged inside the third supporting steel pipe 6, a limiting ring 8 is bolted at the top of the third supporting steel pipe 6, a limiting bearing 9 is sleeved inside the limiting ring 8, a first threaded sleeve 10 is bolted at the top of the limiting bearing 9, the inside of the first threaded sleeve 10 is in threaded connection with the lifting threaded shaft 7, the top of the lifting threaded shaft 7 is provided with a supporting plate 11, the top of the supporting plate 11 is provided with a positioning pipe 12, the bottom of the positioning pipe 12 is in bolted connection with the supporting plate 11, one end of the positioning pipe 12 is in bolted connection with a second threaded sleeve 13, the inside of the positioning pipe 12 is sleeved with a supporting threaded shaft 14, the inside of the second threaded sleeve 13 is in threaded connection with the supporting threaded shaft 14, one side of the first bottom plate 1 is provided with a second bottom plate 17, the top of the second bottom plate 17 is provided with a supporting block 18, the bottom of the supporting block 18 is in bolted connection with the second bottom plate 17, the top of the supporting block 18 is in bolted connection with a supporting frame 19, and a steel pipe 20 is placed at the top of the supporting frame 19; the invention discloses a method for making a steel pipe 20 to be rounded put on the top of a support frame 19, after the position is adjusted, a first bottom plate 1 is moved to the end opening of the steel pipe 20 through the cooperation of a rotating roller 24, then a rotating turntable 25 is rotated, the rotating turntable 25 drives a first threaded sleeve 10 and a limiting bearing 9 to rotate, then a lifting threaded shaft 7 is driven to rise or fall through the cooperation of the first threaded sleeve 10, meanwhile, a first guide pillar 3 and a second guide pillar 5 rise or fall along with the lifting threaded shaft, when the center of a support head 16 reaches the same position height as the center of the steel pipe 20 to be rounded, a rotating handle 21 is rotated, the rotating handle 21 drives a support threaded shaft 14 to move through the cooperation of a second threaded sleeve 13, a seal plate 16 is driven to move back and forth through the support threaded shaft 14, then the seal plate 16 drives a slide block 32 to slide on the surface of an inner expansion head 15, and the slide block 32 drives a rounding die head 33 to contact with the inner wall of the steel pipe 20, the device has the advantages of high rounding precision and convenient operation, and solves the problems that the precision requirement of the roundness of the steel pipe 20 is difficult to achieve due to the fact that the steel pipe 20 is placed on a press machine to be manually rounded by a conventional rounding means, and the manual operation of the press machine needs to be repeatedly operated to round the steel pipe, so that the labor intensity is high, and the operation efficiency is low.
In this embodiment, the one end of supporting threaded shaft 14 is provided with twist grip 21, and twist grip 21's inside cup joints with supporting threaded shaft 14, and anti-skidding line has been seted up on twist grip 21's surface, through setting up twist grip 21, can effectively the person of facilitating the use rotate supporting threaded shaft 14, through setting up anti-skidding line, can effectively strengthen twist grip 21's frictional force.
In this embodiment, the both sides of first bottom plate 1 and second bottom plate 17 bottom all are bolted connection to have gyro wheel backup pad 22, and the inside joint of gyro wheel backup pad 22 has gyro wheel pivot 23, and gyro wheel pivot 23's surface has cup jointed rotates gyro wheel 24, rotates gyro wheel 24 through setting up, can the person of facilitating the use promote the device.
In this embodiment, the surface of first thread bush 10 is provided with rotatory carousel 25, and the inside and the first thread bush 10 bolt of rotatory carousel 25 have seted up anti-skidding groove on the surface of rotatory carousel 25, through setting up rotatory carousel 25, can the person of facilitating the use rotate first thread bush 10, through setting up anti-skidding groove, can effectively strengthen the frictional force of rotatory carousel 25.
In this embodiment, the top of the lifting threaded shaft 7 is provided with the first connecting seat 26, the bottom of the first connecting seat 26 is bolted to the lifting threaded shaft 7, the top of the first connecting seat 26 is bolted to the support plate 11, and the lifting threaded shaft 7 and the support plate 11 can be effectively connected and mounted by providing the first connecting seat 26.
In this embodiment, the first limiting inner sleeve 27 is disposed inside the first supporting steel tube 2, the surface of the first limiting inner sleeve 27 is bolted to the first supporting steel tube 2, the inside of the first limiting inner sleeve 27 is slidably connected to the first guide pillar 3, and the first guide pillar 3 and the first supporting steel tube 2 can effectively slide stably by disposing the first limiting inner sleeve 27.
In this embodiment, the top of the first guide post 3 is provided with the second connecting seat 28, the bottom of the second connecting seat 28 is bolted to the first guide post 3, the top of the second connecting seat 28 is bolted to the support plate 11, and the second connecting seat 28 is provided to effectively connect and mount the first guide post 3 and the support plate 11.
In this embodiment, the second limiting inner sleeve 29 is disposed inside the second supporting steel tube 4, the surface of the second limiting inner sleeve 29 is bolted to the second supporting steel tube 4, the inside of the second limiting inner sleeve 29 is slidably connected to the second guide post 5, and the second guide post 5 and the second supporting steel tube 4 can effectively slide stably by disposing the second limiting inner sleeve 29.
In this embodiment, the top of the second guide pillar 5 is provided with the third connecting seat 30, the bottom of the third connecting seat 30 is bolted to the second guide pillar 5, and the top of the third connecting seat 30 is bolted to the support plate 11, so that the second guide pillar 5 and the support plate 11 can be effectively connected and mounted by providing the third connecting seat 30.
In this embodiment, an internal expanding head 15 is bolted to one end of the supporting threaded shaft 14, a sealing plate 16 is rotatably connected to one end of the supporting threaded shaft 14, a pressing plate 31 is bolted to one side of the sealing plate 16, a sliding block 32 is slidably connected to the top and the bottom of the internal expanding head 15, a rounding die head 33 is clamped to the surface of the sliding block 32, and one side of the sliding block 32 is slidably connected to the sealing plate 16.
The working principle is as follows: placing a steel pipe 20 to be rounded on the top of a support frame 19, adjusting the position, moving a first bottom plate 1 to the end opening of the steel pipe 20 through the cooperation of a rotating roller 24, then rotating a rotating turntable 25 to enable the rotating turntable 25 to drive a first threaded sleeve 10 and a limiting bearing 9 to rotate, then driving a lifting threaded shaft 7 to rise or fall through the cooperation of the first threaded sleeve 10, simultaneously lifting or falling a first guide pillar 3 and a second guide pillar 5, when the center of a support head 16 reaches the same position height as the center of the steel pipe 20 to be rounded, rotating a rotating handle 21 to enable the rotating handle 21 to drive a support threaded shaft 14 to move through the cooperation of a second threaded sleeve 13, driving a seal plate 16 to move back and forth through the support threaded shaft 14, then driving the slide block 32 to slide on the surface of an inner expansion head 15 through the seal plate 16, and enabling the slide block 32 to drive a rounding die head 33 to contact with the inner wall of the steel pipe 20, the steel pipe 20 starts to be rounded, thereby achieving the effect of rounding the steel pipe 20.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a steel pipe port rounding internal diameter enlargement device, includes first bottom plate (1), its characterized in that: a first supporting steel pipe (2) is arranged at the top of the first bottom plate (1), the bottom of the first supporting steel pipe (2) is bolted with the first bottom plate (1), a first guide pillar (3) is sleeved inside the first supporting steel pipe (2), two second supporting steel pipes (4) are arranged at the top of the first bottom plate (1), the bottom of each second supporting steel pipe (4) is bolted with the first bottom plate (1), a second guide pillar (5) is sleeved inside each second supporting steel pipe (4), a third supporting steel pipe (6) is arranged at the top of the first bottom plate (1), the bottom of each third supporting steel pipe (6) is bolted with the first bottom plate (1), a lifting threaded shaft (7) is arranged inside each third supporting steel pipe (6), a limiting ring (8) is bolted at the top of each third supporting steel pipe (6), and a limiting bearing (9) is sleeved inside each limiting ring (8), the top of the limiting bearing (9) is bolted with a first threaded sleeve (10), the inside of the first threaded sleeve (10) is in threaded connection with a lifting threaded shaft (7), the top of the lifting threaded shaft (7) is provided with a support plate (11), the top of the support plate (11) is provided with a positioning tube (12), the bottom of the positioning tube (12) is in bolted connection with the support plate (11), one end of the positioning tube (12) is in bolted connection with a second threaded sleeve (13), the inside of the positioning tube (12) is sleeved with a support threaded shaft (14), the inside of the second threaded sleeve (13) is in threaded connection with the support threaded shaft (14), one side of the first bottom plate (1) is provided with a second bottom plate (17), the top of the second bottom plate (17) is provided with a support block (18), the bottom of the support block (18) is in bolted connection with the second bottom plate (17), and the top of the support block (18) is in bolted connection with a support frame (19), and a steel pipe (20) is placed at the top of the support frame (19).
2. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: one end of the supporting threaded shaft (14) is provided with a rotating handle (21), the inside of the rotating handle (21) is sleeved with the supporting threaded shaft (14), and anti-skid grains are formed in the surface of the rotating handle (21).
3. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the roller supporting plates (22) are bolted to two sides of the bottoms of the first bottom plate (1) and the second bottom plate (17), roller shaft pins (23) are clamped inside the roller supporting plates (22), and rotating rollers (24) are sleeved on the surfaces of the roller shaft pins (23).
4. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the surface of the first threaded sleeve (10) is provided with a rotary turntable (25), the interior of the rotary turntable (25) is in bolted connection with the first threaded sleeve (10), and the surface of the rotary turntable (25) is provided with an anti-skid groove.
5. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the top of the lifting threaded shaft (7) is provided with a first connecting seat (26), the bottom of the first connecting seat (26) is in bolted connection with the lifting threaded shaft (7), and the top of the first connecting seat (26) is in bolted connection with the supporting plate (11).
6. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the inner part of the first supporting steel pipe (2) is provided with a first limiting inner sleeve (27), the surface of the first limiting inner sleeve (27) is in bolted connection with the first supporting steel pipe (2), and the inner part of the first limiting inner sleeve (27) is in sliding connection with the first guide pillar (3).
7. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the top of the first guide post (3) is provided with a second connecting seat (28), the bottom of the second connecting seat (28) is bolted with the first guide post (3), and the top of the second connecting seat (28) is bolted with the support plate (11).
8. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: a second limiting inner sleeve (29) is arranged inside the second supporting steel pipe (4), the surface of the second limiting inner sleeve (29) is in bolted connection with the second supporting steel pipe (4), and the inside of the second limiting inner sleeve (29) is in sliding connection with the second guide pillar (5).
9. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the top of the second guide post (5) is provided with a third connecting seat (30), the bottom of the third connecting seat (30) is bolted with the second guide post (5), and the top of the third connecting seat (30) is bolted with the support plate (11).
10. The steel pipe port rounding internal expanding device according to claim 1, characterized in that: the one end bolt of support threaded shaft (14) has internal expanding head (15), the one end rotation of support threaded shaft (14) is connected with shrouding (16), clamp plate (31) have been bolted on one side of shrouding (16), the top and the equal sliding connection in bottom of internal expanding head (15) have slider (32), the surperficial joint of slider (32) has whole round die head (33), one side and shrouding (16) sliding connection of slider (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908154.0A CN113617951A (en) | 2021-08-09 | 2021-08-09 | Steel pipe port rounding internal expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908154.0A CN113617951A (en) | 2021-08-09 | 2021-08-09 | Steel pipe port rounding internal expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113617951A true CN113617951A (en) | 2021-11-09 |
Family
ID=78383591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110908154.0A Pending CN113617951A (en) | 2021-08-09 | 2021-08-09 | Steel pipe port rounding internal expanding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113617951A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475225A (en) * | 2023-04-07 | 2023-07-25 | 江苏贯森新材料科技有限公司 | Steel strip cold rolling mill |
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| US20130140739A1 (en) * | 2010-08-16 | 2013-06-06 | Uponor Innovation Ab | Tool and method for expanding a pipe end |
| CN104138934A (en) * | 2014-07-22 | 2014-11-12 | 上海西重所重型机械成套有限公司 | Roundness correction machine for end of steel tube |
| CN204953705U (en) * | 2015-09-14 | 2016-01-13 | 天津商业大学 | Expander head |
| CN206911970U (en) * | 2017-05-18 | 2018-01-23 | 江苏电力装备有限公司 | Extra-high voltage steel tube tower straight-seam pipes welding deformation set round device |
| CN211066075U (en) * | 2019-09-07 | 2020-07-24 | 惠安县益汇聚科技发展有限公司 | Electronic shoe rack that dries in air convenient to height-adjusting |
| CN211219176U (en) * | 2019-11-28 | 2020-08-11 | 耿彦飞 | Rotation adjusting device for laser marking machine |
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2021
- 2021-08-09 CN CN202110908154.0A patent/CN113617951A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130140739A1 (en) * | 2010-08-16 | 2013-06-06 | Uponor Innovation Ab | Tool and method for expanding a pipe end |
| CN104138934A (en) * | 2014-07-22 | 2014-11-12 | 上海西重所重型机械成套有限公司 | Roundness correction machine for end of steel tube |
| CN204953705U (en) * | 2015-09-14 | 2016-01-13 | 天津商业大学 | Expander head |
| CN206911970U (en) * | 2017-05-18 | 2018-01-23 | 江苏电力装备有限公司 | Extra-high voltage steel tube tower straight-seam pipes welding deformation set round device |
| CN211066075U (en) * | 2019-09-07 | 2020-07-24 | 惠安县益汇聚科技发展有限公司 | Electronic shoe rack that dries in air convenient to height-adjusting |
| CN211219176U (en) * | 2019-11-28 | 2020-08-11 | 耿彦飞 | Rotation adjusting device for laser marking machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475225A (en) * | 2023-04-07 | 2023-07-25 | 江苏贯森新材料科技有限公司 | Steel strip cold rolling mill |
| CN116475225B (en) * | 2023-04-07 | 2023-11-10 | 江苏贯森新材料科技有限公司 | Steel strip cold rolling mill |
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