CN114101399A - Repair equipment for pipeline port for water supply engineering - Google Patents
Repair equipment for pipeline port for water supply engineering Download PDFInfo
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- CN114101399A CN114101399A CN202111351104.3A CN202111351104A CN114101399A CN 114101399 A CN114101399 A CN 114101399A CN 202111351104 A CN202111351104 A CN 202111351104A CN 114101399 A CN114101399 A CN 114101399A
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- sliding
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- pressing
- cover
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 38
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000009428 plumbing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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Classifications
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the field of pipeline repair, in particular to a repair device for a pipeline opening for water supply engineering. The device comprises a pressing wheel group A, a pressing wheel group B, a mounting cover B and a base; the pressing wheel group A comprises a plurality of pressing wheels a which are uniformly arranged in an annular shape, the pressing wheel group B comprises a plurality of pressing wheels B which are uniformly arranged in an annular shape, the pressing wheels B correspond to the pressing wheels a one to one, and the pressing wheel group A is coaxially positioned on the inner side of the pressing wheel group B; the installation cover B is arranged on the base, and an adjusting mechanism a used for adjusting synchronous contraction of the plurality of pressing wheels a in the pressing wheel group A to close or move outwards to keep away and an adjusting mechanism B used for adjusting synchronous contraction of the plurality of pressing wheels B in the pressing wheel group B to close or move outwards to keep away are arranged on the installation cover B. The invention can synchronously clamp the pipeline and has low manufacturing and using cost.
Description
Technical Field
The invention relates to the field of pipeline repair, in particular to a repair device for a pipeline opening for water supply engineering.
Background
For the pipeline for the water supply engineering, after production is finished, the pipeline opening is easy to deform, the roundness is irregular, the phenomenon of staggered opening can occur when the pipeline is butted, the construction progress is delayed, and the construction quality is influenced.
Chinese patent publication No. CN213671205U discloses a repair equipment of pipeline mouth for water supply engineering, the both sides lateral wall upper end symmetry of installation base is equipped with first sliding base, the upper surface of installation base is located and is equipped with second sliding base, two between first sliding base and the second sliding base through rolling groove connection swivel work head, swivel work head's lateral wall is equipped with the recess, be equipped with ring gear in the recess, the output of first motor is equipped with swing pinion, swivel work head's inside wall equidistance distributes has a plurality of first hydraulic telescoping rod's one end, be equipped with outer compression roller on the first installation foot, the lateral wall of second hydraulic telescoping rod is equipped with the second installation foot, be equipped with interior compression roller on the second installation foot. When this device pipeline is corrected, the construction degree of difficulty is low, intensity of labour is little, can not influence the result of use, can guarantee pipeline life's effect.
However, the above patents have the following disadvantages:
one, the realization of technical scheme in the above-mentioned patent needs a plurality of first hydraulic telescoping rod to drive a plurality of first installation feet inwardly movable simultaneously to make a plurality of external pressure rollers compress tightly at the pipeline outer wall in step, and need a plurality of second hydraulic telescoping rod to drive a plurality of second installation feet outwardly movable simultaneously, so that a plurality of interior compression rollers compress tightly at the pipeline inner wall in step. But a plurality of first hydraulic telescoping rod can not accomplish the simultaneous movement accurately, can not guarantee that a plurality of external compression roller compress tightly in the pipeline outer wall in step, and on the same hand, the simultaneous movement also can not be accomplished to a plurality of second hydraulic telescoping rod, can not guarantee that a plurality of interior compression rollers compress tightly in step at the pipeline inner wall, so can not use a plurality of outer compression rollers and a plurality of interior compression roller to press from both sides tight pipeline in step.
And secondly, a plurality of first hydraulic telescopic rods and a plurality of second hydraulic telescopic rods are used, so that the manufacturing and using cost is high.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a repair device for a pipeline port for a water supply project, which can synchronously clamp a pipeline and has low manufacturing and using cost.
The technical scheme of the invention is that the pipeline port repairing equipment for the water supply engineering comprises a pressing wheel group A, a pressing wheel group B, an installation cover B and a base;
the pressing wheel group A comprises a plurality of pressing wheels a which are uniformly arranged in an annular shape, the pressing wheel group B comprises a plurality of pressing wheels B which are uniformly arranged in an annular shape, the pressing wheels B correspond to the pressing wheels a one to one, and the pressing wheel group A is coaxially positioned on the inner side of the pressing wheel group B; the installation cover B is arranged on the base, and an adjusting mechanism a used for adjusting synchronous contraction of the plurality of pressing wheels a in the pressing wheel group A to close or move outwards to keep away and an adjusting mechanism B used for adjusting synchronous contraction of the plurality of pressing wheels B in the pressing wheel group B to close or move outwards to keep away are arranged on the installation cover B.
Preferably, the adjusting mechanism a includes:
the mounting cover a is of a rotary structure and is arranged on the base;
a mobile station positioned inside the mounting cover a;
the moving assemblies are uniformly provided with a plurality of groups around the mounting cover a, correspond to the pressing wheels a one by one and comprise sliding columns, connecting columns and connecting tables, the sliding columns penetrate through the mounting cover a along the radial direction and are connected with the mounting cover a in a sliding mode, one ends of the sliding columns, which are positioned on the outer side of the mounting cover a, are connected with the pressing wheels a, two ends of the connecting columns are respectively connected with the other ends of the sliding columns and the connecting tables in a rotating mode, and the connecting tables are arranged on the moving tables; and
and a driving mechanism a for driving the moving table to move horizontally to make the sliding column slide along the radial direction of the mounting cover a.
Preferably, the driving mechanism a comprises a motor a, a screw rod and a bracket, the motor a is arranged on the mounting cover a, the motor a is in driving connection with the screw rod, the screw rod is in threaded connection with the mobile station, the screw rod is rotatably arranged on the mounting cover a and the bracket, and the bracket is arranged on the mounting cover a.
Preferably, the adjusting mechanism b includes:
the sliding assemblies are uniformly provided with a plurality of groups around the installation cover a, the sliding assemblies correspond to the press wheels b one by one, each sliding assembly comprises an installation frame, a roller, a sliding frame, a baffle and an elastic piece, the press wheels b and the rollers are respectively arranged at two ends of the installation frame, the press wheels b are positioned between the press wheels a and the rollers, the installation frame is arranged on the sliding frame, the sliding frame is arranged on the installation cover b in a radial sliding mode along the installation cover a, the baffle is arranged on the sliding frame, and two ends of the elastic piece are respectively connected with the baffle and the installation cover b;
the rotating table is rotatably arranged on the mounting cover b, a rotating central shaft is coaxial with a central shaft of the mounting cover a, a plurality of guide grooves for rolling the rollers are uniformly arranged on the rotating table in an annular shape, and the guide grooves correspond to the sliding assemblies one by one; and
and a driving mechanism b for driving the rotating table to rotate so that the sliding frame slides on the mounting cover b.
Preferably, actuating mechanism b includes driven gear, motor b and driving gear, and motor b sets up on the base, and motor b and driving gear drive are connected, and the driving gear is connected with driven gear meshing, and driven gear sets up on the revolving stage.
Preferably, the elastic member is a compression spring, and the elastic member is sleeved on the outer periphery side of the sliding frame.
Preferably, the guide groove is a V-shaped groove, and the groove bottom is in uniform transition.
Preferably, a driving motor is arranged on the pressing wheel a or the pressing wheel b.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention can synchronously clamp the pipeline and has low manufacturing and using cost. When using, put between pinch roller set A and the pinch roller set B with pipeline deformation department, move outward in step earlier and keep away from through a plurality of pinch rollers a of adjustment mechanism a drive, until a plurality of pinch rollers a support tightly at the pipeline inner wall, then use a plurality of pinch rollers B of adjustment mechanism B drive synchronous shrink to draw close, until a plurality of pinch rollers B support tightly at the pipeline outer wall, utilize a plurality of pinch rollers a and a plurality of pinch roller B to correct the restoration to pipeline deformation department through rotating the pipeline. The adjusting mechanism a and the adjusting mechanism b are respectively driven by one motor, the use cost is low, the plurality of pressing wheels a and the plurality of pressing wheels b can be synchronously driven to move, and accurate correction and repair treatment can be carried out on the deformation position of the pipeline.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a structural cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is an enlarged view of the structure at B in fig. 2.
Reference numerals: 1. a pinch roller a; 2. a traveler; 3. connecting columns; 4. a connecting table; 5. a motor a; 6. a screw rod; 7. a mobile station; 8. mounting a cover a; 9. a support; 10. a mounting frame; 11. a pinch roller b; 12. a roller; 13. a carriage; 14. a baffle plate; 15. an elastic member; 16. mounting a cover b; 17. a rotating table; 171. a guide groove; 18. a driven gear; 19. a motor b; 20. a driving gear; 21. a base.
Detailed Description
Example one
As shown in fig. 1-2, the repairing device for a pipe orifice for a water supply project, provided by the invention, comprises a pinch roller set a, a pinch roller set B, a mounting cover B16 and a base 21;
the pressing wheel group A comprises a plurality of pressing wheels a1 which are uniformly arranged in an annular shape, the pressing wheel group B comprises a plurality of pressing wheels B11 which are uniformly arranged in an annular shape, the pressing wheels B11 correspond to the pressing wheels a1 one by one, and the pressing wheel group A is coaxially positioned on the inner side of the pressing wheel group B; the mounting cover B16 is arranged on the base 21, and the mounting cover B16 is provided with an adjusting mechanism a for adjusting a plurality of pinch rollers a1 in the pinch roller set A to synchronously contract and draw close or move away outwards and an adjusting mechanism B for adjusting a plurality of pinch rollers B11 in the pinch roller set B to synchronously contract and draw close or move away outwards.
The embodiment can synchronously clamp the pipeline and has low manufacturing and using cost. When using, put between pinch roller set A and the pinch roller set B with pipeline deformation department, move outward in step and keep away from earlier through a plurality of pinch rollers a1 of adjustment mechanism a drive, until a plurality of pinch rollers a1 support tightly at the pipeline inner wall, then use the synchronous shrink of a plurality of pinch rollers B11 of adjustment mechanism B drive to draw close together, until a plurality of pinch rollers B11 support tightly at the pipeline outer wall, utilize a plurality of pinch rollers a1 and a plurality of pinch roller B11 to correct the restoration to pipeline deformation department through rotating the pipeline.
Example two
As shown in fig. 1 to 3, compared with the first embodiment, the adjusting mechanism a of the repairing apparatus for a pipe orifice of a water supply engineering provided by the present invention comprises a mounting cover a8, a moving platform 7, a moving assembly and a driving mechanism a.
The mounting cover a8 is a rotary structure, and the mounting cover a8 is arranged on the base 21; the mobile station 7 is located inside the mounting cover a 8; the movable assembly is uniformly provided with a plurality of groups around the installation cover a8, the movable assembly corresponds to the pinch rollers a1 one by one, the movable assembly comprises a sliding column 2, a connecting column 3 and a connecting table 4, the sliding column 2 penetrates through the installation cover a8 along the radial direction and is in sliding connection with the installation cover a8, one end, located on the outer side of the installation cover a8, of the sliding column 2 is connected with the pinch rollers a1, two ends of the connecting column 3 are respectively in rotating connection with the other end of the sliding column 2 and the connecting table 4, and the connecting table 4 is arranged on the movable table 7.
The driving mechanism a is used for driving the moving table 7 to move horizontally so as to make the sliding column 2 slide along the radial direction of the mounting cover a 8. The driving mechanism a comprises a motor a5, a screw rod 6 and a bracket 9, the motor a5 is arranged on the mounting cover a8, the motor a5 is in driving connection with the screw rod 6, the screw rod 6 is in threaded connection with the mobile station 7, the screw rod 6 is rotatably arranged on the mounting cover a8 and the bracket 9, and the bracket 9 is arranged on the mounting cover a 8.
In this embodiment, motor a5 drive lead screw 6 rotates, lead screw 6 drives mobile station 7 and removes, mobile station 7 drives and connects the platform 4 and remove, connect platform 4 drives spliced pole 3 and rotates, spliced pole 3 drives traveller 2 and slides on installation cover a8, traveller 2 drives pinch roller a1 and removes, thereby realize the synchronous outward movement or the inward movement of a plurality of pinch roller a1, can effectively guarantee that a plurality of pinch roller a1 support tightly at the pipeline inner wall in step, can carry out accurate correction repairing to the pipeline.
EXAMPLE III
As shown in fig. 1, fig. 2 and fig. 4, compared with the first embodiment, the adjusting mechanism b of the repairing apparatus for a pipe orifice of a water supply engineering provided by the present invention includes a sliding assembly, a rotating table 17 and a driving mechanism b.
Sliding assembly evenly is provided with the multiunit around installation cover a8, sliding assembly and pinch roller b11 one-to-one, sliding assembly includes mounting bracket 10, gyro wheel 12, carriage 13, baffle 14 and elastic component 15, pinch roller b11 and gyro wheel 12 set up respectively at mounting bracket 10 both ends, pinch roller b11 is located between pinch roller a1 and the gyro wheel 12, mounting bracket 10 sets up on carriage 13, carriage 13 sets up on installation cover b16 along installation cover a8 radial sliding, baffle 14 sets up on carriage 13, elastic component 15 both ends are connected with baffle 14 and installation cover b16 respectively, elastic component 15 is compression spring, elastic component 15 cover is established at carriage 13 periphery side, can not drop.
The rotating table 17 is rotatably arranged on the mounting cover b16, the rotating central shaft is coaxial with the central shaft of the mounting cover a8, the rotating table 17 is provided with a plurality of guide grooves 171 for the roller 12 to roll, the guide grooves 171 are V-shaped grooves, the bottoms of the grooves are in uniform transition, the guide grooves 171 are uniformly arranged in an annular shape, and the guide grooves 171 correspond to the sliding assemblies one by one;
the driving mechanism b is used to drive the rotation table 17 to rotate so that the carriage 13 slides on the mounting cover b 16. The driving mechanism b comprises a driven gear 18, a motor b19 and a driving gear 20, the motor b19 is arranged on the base 21, the motor b19 is in driving connection with the driving gear 20, the driving gear 20 is in meshing connection with the driven gear 18, and the driven gear 18 is arranged on the rotating table 17.
In this embodiment, motor b19 drive driving gear 20 rotates, driving gear 20 drives driven gear 18 and rotates, driven gear 18 drives and rotates platform 17 and rotates, it rotates on installation cover b16 to rotate platform 17, it can realize the removal of gyro wheel 12 through guide way 171 to rotate platform 17, gyro wheel 12 drives carriage 13 through mounting bracket 10 and removes, elastic component 15 is in compression state, enable gyro wheel 12 and guide way 171 contact, pinch roller b11 removes along with mounting bracket 10, thereby realize a plurality of pinch roller b 11's outward movement or internal movement, can effectively guarantee that a plurality of pinch roller b11 support tightly at the pipeline outer wall in step, can carry out accurate correction restoration processing to the pipeline.
Example four
Compared with the first embodiment, in the embodiment of the invention, the pressure wheel a1 or the pressure wheel b11 is provided with the driving motor, and the pressure wheel a1 or the pressure wheel b11 can be driven to rotate through the driving motor, so that the pipeline clamped between the pressure wheel a1 and the pressure wheel b11 is driven to rotate, the labor is saved, and the pipeline correction and repair efficiency is improved.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. The repairing equipment for the pipeline port for the water supply engineering is characterized by comprising a pressing wheel group A, a pressing wheel group B, a mounting cover B (16) and a base (21);
the pressing wheel group A comprises a plurality of pressing wheels a (1) which are uniformly arranged in an annular shape, the pressing wheel group B comprises a plurality of pressing wheels B (11) which are uniformly arranged in an annular shape, the pressing wheels B (11) correspond to the pressing wheels a (1) one by one, and the pressing wheel group A is coaxially positioned on the inner side of the pressing wheel group B; the installation cover B (16) is arranged on the base (21), an adjusting mechanism a for adjusting synchronous contraction close or outward movement far of a plurality of press wheels a (1) in the press wheel set A and an adjusting mechanism B for adjusting synchronous contraction close or outward movement far of a plurality of press wheels B (11) in the press wheel set B are arranged on the installation cover B (16).
2. The repairing apparatus for a pipe orifice of a water supply works according to claim 1, wherein the adjusting mechanism a comprises:
the mounting cover a (8) is of a rotary structure and is arranged on the base (21);
a mobile station (7) located inside the mounting cover a (8);
the moving assembly is uniformly provided with a plurality of groups around the mounting cover a (8), corresponds to the pressing wheel a (1) one by one and comprises a sliding column (2), a connecting column (3) and a connecting table (4), the sliding column (2) penetrates through the mounting cover a (8) along the radial direction and is in sliding connection with the mounting cover a (8), one end, located on the outer side of the mounting cover a (8), of the sliding column (2) is connected with the pressing wheel a (1), two ends of the connecting column (3) are respectively in rotating connection with the other end of the sliding column (2) and the connecting table (4), and the connecting table (4) is arranged on the moving table (7); and
and a driving mechanism a for driving the moving platform (7) to move horizontally so as to enable the sliding column (2) to slide along the radial direction of the mounting cover a (8).
3. The repairing equipment of the pipeline port for the water supply engineering according to the claim 2, characterized in that the driving mechanism a comprises a motor a (5), a screw rod (6) and a bracket (9), the motor a (5) is arranged on the mounting cover a (8), the motor a (5) is in driving connection with the screw rod (6), the screw rod (6) is in threaded connection with the moving platform (7), the screw rod (6) is rotatably arranged on the mounting cover a (8) and the bracket (9), and the bracket (9) is arranged on the mounting cover a (8).
4. The plumbing orifice rehabilitation apparatus of claim 1, wherein the adjustment mechanism b comprises:
the sliding assembly is uniformly provided with multiple groups of sliding assemblies around the installation cover a (8), the sliding assemblies correspond to the press wheels b (11) one by one, each sliding assembly comprises an installation frame (10), rollers (12), a sliding frame (13), a baffle (14) and an elastic piece (15), the press wheels b (11) and the rollers (12) are arranged at two ends of the installation frame (10), the press wheels b (11) are located between the press wheels a (1) and the rollers (12), the installation frame (10) is arranged on the sliding frame (13), the sliding frame (13) is arranged on the installation cover b (16) in a radial sliding mode along the installation cover a (8), the baffle (14) is arranged on the sliding frame (13), and two ends of the elastic pieces (15) are connected with the baffle (14) and the installation cover b (16) respectively;
the rotating table (17) is rotatably arranged on the mounting cover b (16), the rotating central shaft is coaxial with the central shaft of the mounting cover a (8), a plurality of guide grooves (171) for the rollers (12) to roll are uniformly formed in the rotating table (17) in an annular shape, and the guide grooves (171) correspond to the sliding assemblies one by one; and
and a driving mechanism b for driving the rotating table (17) to rotate so as to enable the sliding frame (13) to slide on the mounting cover b (16).
5. The device for repairing the pipe orifice of the water supply engineering according to claim 4, wherein the driving mechanism b comprises a driven gear (18), a motor b (19) and a driving gear (20), the motor b (19) is arranged on the base (21), the motor b (19) is in driving connection with the driving gear (20), the driving gear (20) is in meshing connection with the driven gear (18), and the driven gear (18) is arranged on the rotating table (17).
6. The repairing device for the pipe orifice of the water supply engineering according to claim 4, characterized in that the elastic member (15) is a compression spring, and the elastic member (15) is sleeved on the outer periphery side of the sliding frame (13).
7. The repairing device of the pipe orifice for the water supply engineering according to the claim 1, characterized in that the guiding groove (171) is a V-shaped groove, and the groove bottom is evenly transited.
8. The repairing device of the pipe orifice for the water supply engineering according to the claim 1, characterized in that the pressing wheel a (1) or the pressing wheel b (11) is provided with a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351104.3A CN114101399A (en) | 2021-11-16 | 2021-11-16 | Repair equipment for pipeline port for water supply engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111351104.3A CN114101399A (en) | 2021-11-16 | 2021-11-16 | Repair equipment for pipeline port for water supply engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114101399A true CN114101399A (en) | 2022-03-01 |
Family
ID=80396426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111351104.3A Pending CN114101399A (en) | 2021-11-16 | 2021-11-16 | Repair equipment for pipeline port for water supply engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114101399A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014018828A (en) * | 2012-07-18 | 2014-02-03 | Nippon Steel & Sumikin Engineering Co Ltd | Device for correcting pipe material |
| JP2017087262A (en) * | 2015-11-10 | 2017-05-25 | 日本精工株式会社 | Method of correcting roundness of ring-shaped member |
| CN209577787U (en) * | 2019-01-23 | 2019-11-05 | 山东明峰消防科技有限公司 | Hydraulic shaping machine is used in a kind of reprocessing of heavy caliber groove pipe fitting |
| CN110814190A (en) * | 2019-11-30 | 2020-02-21 | 江南工业集团有限公司 | Sealing device and method after assembly of small-diameter circular tube and plug |
| CN210131948U (en) * | 2019-04-28 | 2020-03-10 | 河北天创管业有限公司 | Galvanized pipe port circumference prosthetic devices |
| CN210807014U (en) * | 2019-12-24 | 2020-06-19 | 佛山市顺德区华源装备科技有限公司 | Motor stator coil shaping mechanism |
| CN112808802A (en) * | 2020-12-31 | 2021-05-18 | 陶冬兰 | Thin metal pipe crease recovery device |
| CN213671205U (en) * | 2020-08-05 | 2021-07-13 | 王佳 | Repair equipment for pipeline port for water supply engineering |
-
2021
- 2021-11-16 CN CN202111351104.3A patent/CN114101399A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014018828A (en) * | 2012-07-18 | 2014-02-03 | Nippon Steel & Sumikin Engineering Co Ltd | Device for correcting pipe material |
| JP2017087262A (en) * | 2015-11-10 | 2017-05-25 | 日本精工株式会社 | Method of correcting roundness of ring-shaped member |
| CN209577787U (en) * | 2019-01-23 | 2019-11-05 | 山东明峰消防科技有限公司 | Hydraulic shaping machine is used in a kind of reprocessing of heavy caliber groove pipe fitting |
| CN210131948U (en) * | 2019-04-28 | 2020-03-10 | 河北天创管业有限公司 | Galvanized pipe port circumference prosthetic devices |
| CN110814190A (en) * | 2019-11-30 | 2020-02-21 | 江南工业集团有限公司 | Sealing device and method after assembly of small-diameter circular tube and plug |
| CN210807014U (en) * | 2019-12-24 | 2020-06-19 | 佛山市顺德区华源装备科技有限公司 | Motor stator coil shaping mechanism |
| CN213671205U (en) * | 2020-08-05 | 2021-07-13 | 王佳 | Repair equipment for pipeline port for water supply engineering |
| CN112808802A (en) * | 2020-12-31 | 2021-05-18 | 陶冬兰 | Thin metal pipe crease recovery device |
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