CN218283329U - Compound perpendicular stop device of steel pipe indent pipe end and steel pipe indent equipment - Google Patents
Compound perpendicular stop device of steel pipe indent pipe end and steel pipe indent equipment Download PDFInfo
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- CN218283329U CN218283329U CN202222458306.4U CN202222458306U CN218283329U CN 218283329 U CN218283329 U CN 218283329U CN 202222458306 U CN202222458306 U CN 202222458306U CN 218283329 U CN218283329 U CN 218283329U
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- steel pipe
- grooving
- adjustable
- centripetal
- sizing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 150
- 239000010959 steel Substances 0.000 title claims abstract description 150
- 150000001875 compounds Chemical class 0.000 title claims abstract description 14
- 238000004513 sizing Methods 0.000 claims abstract description 56
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000004429 Calibre Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- 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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/04—Forming single grooves in sheet metal or tubular or hollow articles by rolling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Turning (AREA)
Abstract
The utility model discloses a compound perpendicular stop device of steel pipe indent pipe end and steel pipe indent equipment, the device includes: the grooving operation vertical face rack of the steel pipe grooving machine comprises an adjustable sizing disc, an adjustable roller set, a diameter roundness measuring sensor, a 12-line longitude and latitude measuring instrument, a slope measuring sensor and a data processing system, wherein the adjustable sizing disc, the adjustable roller set, the diameter roundness measuring sensor, the 12-line longitude and latitude measuring instrument, the slope measuring sensor and the data processing system are arranged at the grooving operation vertical face position of the grooving operation vertical face rack, the sizing disc is installed on a rear shaft of a grooving driving wheel of the steel pipe grooving machine, the adjustable roller set comprises a sizing roller, centripetal circumferential rollers and adjustable centripetal circumferential roller seats, the sizing rollers are installed on two sides of an automatic pressing wheel of the steel pipe grooving machine, and the centripetal circumferential rollers are arranged on the adjustable centripetal circumferential roller seats on the grooving operation vertical face rack and can be adjusted in an up-and-down moving mode along a vertical line of a circle center. The utility model discloses a perpendicular stop device is used for ensureing steel pipe slot precision size, realizes steel pipe both ends slot depth of parallelism, steel pipe indent equipment provides necessary equipment condition for solving slot pipe end geometric dimensions.
Description
Technical Field
The utility model relates to a steel pipe grooving machine terminal surface slot processing machinery field relates to intelligence steel pipe grooving geometric dimension precision, the control of straightness that hangs down, especially relates to a compound perpendicular stop device of steel pipe grooving pipe end and steel pipe grooving equipment.
Background
In order to meet the pipeline connection requirement of a groove type clamp pipe fitting, a groove with an inward-concave circumference is required to be pressed on the outer wall of the end part ring of a connected steel pipe, the existing groove pressing equipment of the groove pressing processing machinery for the end part of the steel pipe adopts a structural method of rolling and pressing by a mechanical wheel, and a group of groove pressing processing is formed by a group of power driving wheels and a group of cams to process the groove into the steel pipe groove with the inward-concave outer wall.
Because present channelling machine aircraft nose and pipe support components of a whole that can function independently use, there are many uncontrollable factors in the forming process in groove, often cause the groove of pressing to appear various problems, owing to lack measurement system and control system, the channelling in-process, the bevel connection often appears in the steel pipe, especially to the slot processing of heavy-calibre steel pipe, prior art's channelling machine is difficult to ensure processingquality.
SUMMERY OF THE UTILITY MODEL
Not enough and the demand that is difficult to ensure the slot processingquality of heavy-calibre steel pipe to present steel pipe indent equipment, the utility model provides a steel pipe indent pipe end compound vertical stop device through measurement system and to the straightness's of hanging down controlling means of steel pipe, solves steel pipe face end slot depth of parallelism, bevel connection problem. The utility model also provides a steel pipe indent equipment with compound perpendicular stop device of steel pipe indent pipe end, provide necessary condition for solving slot pipe end geometric dimensions.
The utility model provides a compound perpendicular stop device of steel pipe indent pipe end, includes: the grooving operation vertical face rack of the steel pipe grooving machine comprises an adjustable sizing disc, an adjustable roller set, a diameter roundness measuring sensor, a 12-line longitude and latitude measuring instrument, a slope measuring sensor and a data processing system, wherein the adjustable sizing disc is arranged at a grooving operation vertical face position of the grooving operation vertical face rack, the sizing disc is installed on a rear shaft of a grooving driving wheel of the steel pipe grooving machine, the adjustable roller set comprises a sizing roller, centripetal circumferential rollers and adjustable centripetal circumferential roller seats, the sizing rollers are installed on two sides of an automatic pressing roller of the steel pipe grooving machine, and the centripetal circumferential rollers are arranged on the adjustable centripetal circumferential roller seats on the grooving operation vertical face rack and can move up and down along a circle center vertical line for adjustment.
In the steel pipe grooving pipe end composite vertical limiting device, the adjustable centripetal circumferential roller seat is provided with a plurality of long centripetal circumferential rollers facing the center of a circle, the long centripetal circumferential rollers and the sizing roller are integrated on the same plane, the axis extension lines of the long centripetal circumferential rollers and the sizing roller intersect at the same point, and the center of the circle and the radius of the adjustable roller set are suitable for being adjusted along with the up-and-down movement of the adjustable centripetal circumferential roller seat along the vertical direction of the center of the circle according to different specifications of steel pipes.
In the steel pipe grooving and pipe end composite vertical limiting device, the sizing roller is suitable for determining the grooving distance size of the end opening of the steel pipe, the sizing disc is suitable for limiting the position of the end opening groove of the steel pipe, the sizing disc is suitable for limiting the length size through a common limiting device, and the Rockwell hardness of the surface of the sizing disc is larger than 90 degrees.
The utility model provides a steel pipe indent equipment with compound perpendicular stop device of above-mentioned steel pipe indent pipe end, includes: the steel pipe grooving machine comprises a steel pipe grooving machine, an adjustable sizing disc, an adjustable roller set, a diameter roundness measuring sensor, a 12-line longitude and latitude measuring instrument, a slope measuring sensor and a data processing system, a deflection sensor, a platform position sensor, a steel pipe supporting platform, a grooving device, a base platform, a frame and an intelligent control system, wherein the adjustable sizing disc, the adjustable roller set, the diameter roundness measuring sensor, the 12-line longitude and latitude measuring instrument, the slope measuring sensor and the data processing system are arranged on a vertical face of the grooving machine, the steel pipe supporting platform is arranged on the upper surface of the steel pipe supporting platform, the deflection sensor is arranged on the frame, the grooving device of the steel pipe grooving machine, the adjustable sizing disc and the adjustable roller set are located in the same circle center position on the same plane, the steel pipe supporting platform is arranged on the base platform of the frame, and the intelligent control system is in signal connection with the steel pipe supporting platform and the total control system of the steel pipe grooving machine.
In the steel pipe grooving equipment, the steel pipe grooving equipment further comprises a groove depth measuring device which is arranged on the grooving operation rack and used for controlling and checking the verticality of the steel pipe port.
In the steel pipe grooving equipment, the multi-dimensional measuring instrument and the verticality measuring system for measuring the port face of the steel pipe are also arranged on the groove pressing operation vertical plane rack, the horizontal centrality of the steel pipe is measured according to the verticality of the pipe end face and the groove pressing operation equipment, and the steel pipe is automatically aligned through the intelligent control system.
In the steel pipe grooving equipment, the platform orientation sensor comprises a platform angle sensor and/or a platform level sensor.
The utility model discloses a compound perpendicular stop device of steel pipe indent pipe end is the important measurement control execution system of guarantee steel pipe slot precision size, is the important technological measure who realizes the steel pipe both ends slot depth of parallelism, and the perpendicular stop device who sets up at host computer carrier position is an important component part of steel pipe grooving machine. Its beneficial effects include but are not limited to:
(1) The utility model discloses a perpendicular stop device includes the scale roller or scale dish, the spacing roller of circumference, is controlled by steel pipe groove rolling machine total control system, and the indent operation process is no longer accomplished by isolated device or system, has the intercrossing action. Under the condition that the intelligent steel pipe supporting platform and the intelligent control system are in cooperative consistency, the smooth completion of the steel pipe groove pressing operation can be guaranteed.
(2) The utility model discloses an install the steel pipe port in the slot operation facade frame, through setting up diameter measurement, roundness measurement sensor and data processing system, can measure the spacing precision of control school shape roller set, make the steel pipe that finally takes shape have qualified geometric dimensions.
(3) The utility model discloses an install multidimension degree measuring instrument, the straightness measurement system that hangs down of measuring steel pipe port face in the indent operation perpendicular frame, steel pipe horizontal centrality is measured with the straightness uniformity that hangs down of pipe terminal surface, indent operation equipment, through the automatic alignment of intelligent measurement system. And measuring the verticality of the steel pipe and the end face of the pressure groove, wherein the measuring sensor is arranged on the vertical end face plate and is responsible for data acquisition and transmission.
Drawings
FIG. 1 is a schematic view of a vertical working surface of a composite vertical limiting device at the end of a steel pipe groove;
FIG. 2 is a front view of a steel pipe grooving apparatus with a steel pipe grooving pipe end composite vertical limiting device;
FIG. 3 is a top view of the steel pipe grooving apparatus with a steel pipe grooving pipe end composite vertical limiting device.
Wherein: the device comprises a steel pipe notching press 1, a sizing disc 2, a centripetal circumferential roller 3, a diameter roundness measuring sensor 4, a 12-line longitude and latitude measuring instrument 5, a slope measuring sensor 6, a deflection sensor 7, a platform azimuth sensor 8, a steel pipe supporting platform 9, a notching press device 10, a base platform 11, a notching operation vertical surface 12, a sizing roller 13, an adjustable centripetal circumferential roller seat 14 and a frame 15.
Detailed Description
The utility model discloses a compound perpendicular stop device of steel pipe indent pipe end sets up at steel pipe indent machine host computer, and the indent operation is the vertically facade with steel pipe support platform, through measurement system and to the straightness's of hanging down of steel pipe controlling means, solves steel pipe face end slot depth of parallelism problem and bevel connection problem.
Example one
As shown in fig. 1, a composite vertical limiting device for the end of a steel pipe groove comprises: the grooving operation vertical face frame of the steel pipe grooving machine comprises an adjustable sizing disc 2, an adjustable roller set, a diameter roundness measuring sensor 4, a 12-line longitude and latitude measuring instrument 5, a slope measuring sensor 6 and a data processing system, wherein the adjustable sizing disc 2, the adjustable roller set, the diameter roundness measuring sensor 4, the 12-line longitude and latitude measuring instrument 5 and the slope measuring sensor 6 are arranged at the grooving operation vertical face 12 position of the grooving operation vertical face frame, the sizing disc 2 is installed on a rear shaft of a grooving driving wheel of the steel pipe grooving machine, the adjustable roller set comprises a sizing roller 13, centripetal circumferential rollers 3 and adjustable centripetal circumferential roller seats 14, the sizing rollers 13 are installed on two sides of an automatic pressing wheel of the steel pipe grooving machine, and the centripetal circumferential rollers 3 are arranged on the adjustable centripetal circumferential roller seats 14 on the grooving operation vertical face frame and can move up and down along a vertical line of a circle center for adjustment.
Example two
In another embodiment of the present invention, other structural features are the same as the technical features of embodiment one, and further, a plurality of elongated centripetal circumferential rollers toward the center of a circle are installed on the adjustable centripetal circumferential roller seat 14, the elongated centripetal circumferential rollers and the sizing roller are integrated on the same plane, and the axis extension lines of the elongated centripetal circumferential rollers and the sizing roller intersect at the same point, and the center of a circle and the radius of the adjustable roller set are adapted to be adjusted along with the up-and-down movement of the adjustable centripetal circumferential roller seat 14 along the center of a circle vertical direction according to the difference of the steel pipe specifications.
The 360-degree range of the end opening of the groove steel pipe is vertical to the pipe body. A perpendicularity limiting roller which is adjustable along the centripetal circumference of the pipe is arranged on the vertical face rack for the groove pressing operation. The adjustable centripetal circumferential roller seat is manufactured by vertically parting a circle center horizontal line, and can be adjusted by vertically moving along a circle center vertical line, a plurality of long rollers towards the circle center are arranged on the adjustable centripetal circumferential roller seat, the long rollers and sizing rollers are required to be integrated on the same circle center on the same plane, the movable device is vertically moved by an adjusting method according to the adjustable circle center and radius of steel pipes with different specifications, and the operation can be carried out by controlling the ports of the steel pipes within the effective range of the plurality of long centripetal circumferential roller groups.
The sizing roller 13 is suitable for determining the size of the steel pipe end pressing groove distance, the sizing disc 2 is suitable for limiting the position of the steel pipe end pressing groove, the sizing disc 2 is suitable for limiting the length size through a common limiting device, and the surface hardness of the sizing disc 2 is more than 90 degrees in Rockwell hardness. In the present embodiment, the surface hardness of the sizing disk 2 is 100 degrees in rockwell hardness.
The positioning of the length size of the end opening of the steel pipe of the groove from the groove is realized by limiting the position of the groove of the end opening of the steel pipe by an adjustable sizing disc, and the sizing disc is arranged on the shaft of the groove pressing driving wheel and is close to the position of the vertical face rack for groove pressing operation. The sizes of the grooves to the ports of the steel pipes in each specification are different, the sizes of the grooves to the ports of the steel pipes in the same specification are different, and the sizes of the grooves to the ports of the steel pipes in the same specification are different, so that the common limiting device is provided with a structure which can move back and forth and can be fixed. In order to prolong the service life of wear resistance, the surface hardness of the fixed-size disc 2 is designed to be more than 90 degrees of Rockwell hardness.
EXAMPLE III
As shown in fig. 2-3, the utility model also discloses a steel pipe indent equipment with compound perpendicular stop device of steel pipe indent pipe end, include: the steel pipe grooving machine comprises a steel pipe grooving machine 1, an adjustable sizing disc 2, an adjustable roller set, a diameter roundness measuring sensor 4, a 12-line longitude and latitude measuring instrument 5, a slope measuring sensor 6 and a data processing system, wherein the adjustable sizing disc 2, the adjustable roller set, the diameter roundness measuring sensor 4, the 12-line longitude and latitude measuring instrument 5 and the slope measuring sensor 6 are arranged on a grooving operation vertical face 12 of a grooving operation vertical face rack, a deflection sensor 7, a platform azimuth sensor 8, a steel pipe supporting platform 9, a grooving device 10, a base platform 11, a frame 15 and an intelligent control system, the platform azimuth sensor 8 is arranged on the upper surface of the steel pipe supporting platform 9, the deflection sensor 7 is arranged on the frame 15, the grooving device 10, the adjustable sizing disc 2 and the adjustable roller set of the steel pipe grooving machine 1 are located in the same circle center azimuth on the same plane, the steel pipe supporting platform 9 is arranged on the base platform 11 of the frame 15, and the intelligent control system is in signal connection with the steel pipe supporting platform 9 and the steel pipe grooving machine control system.
Preferably, the steel pipe grooving equipment further comprises a groove depth measuring device which is arranged on the grooving operation rack and used for controlling and checking the verticality of the steel pipe port.
Furthermore, a multi-dimensional measuring instrument and a verticality measuring system for measuring the port face of the steel pipe are further installed on the vertical plane rack for the groove pressing operation, the horizontal centrality of the steel pipe is measured according to the verticality consistency of the end face of the steel pipe and the groove pressing operation equipment, and the steel pipe is automatically aligned through an intelligent control system.
Further, the platform orientation sensor 8 includes a platform angle sensor and/or a platform level sensor.
The utility model discloses a compound perpendicular stop device of steel pipe indent pipe end has included indent operation facade frame, the scale dish of indent action wheel rear axle installation, at the scale roller of automatic pinch roller both sides installation, the centripetal circumference roller on the facade, steel pipe port inclination measurement system, steel pipe straightness, diameter, circularity, measurement control system hang down. The intelligent system provided with the steel pipe grooving operation process can measure and control the steel pipe dynamic state, and the sizing roller (disc) and the centripetal circumferential roller for limiting the steel pipe port are compounded into a vertical steel pipe port limiting device.
The utility model discloses a compound perpendicular stop device of steel pipe indent pipe end's slot steel pipe port is realized apart from slot length size's location by adjustable roller set stop device, and it is installed in indent operation facade frame. The sizing roller is used for determining the distance and the size of the pressure groove at the end opening of the steel pipe, and is used for reducing the friction resistance of the rotation of the pipe relative to the end opening of the sizing surface in the process of pressing the groove of the steel pipe, so that the service life of the sizing roller is prolonged. The vertical limiting device comprises a fixed length roller or a fixed length disc and a circumferential limiting roller, and also comprises software equipment control systems for sensing, measuring, data processing, operating, displaying and the like.
The utility model discloses an install steel pipe port bevel connection measuring transducer and data processing system in the indent operation facade frame, measure terminal surface flat mouthful of geometric dimensions precision, control slot position reaches apart from port length. Controlling the parallelism of the grooves and the vertical plane. The steel pipe port bevel connection measuring sensor is arranged on the vertical end face and is responsible for data acquisition and transmission.
Claims (7)
1. The utility model provides a compound perpendicular stop device of steel pipe indent pipe end which characterized in that includes: the grooving operation vertical face rack of the steel pipe grooving machine comprises an adjustable sizing disc (2), an adjustable roller set, a diameter roundness measuring sensor (4), a 12-line longitude and latitude measuring instrument (5), a slope measuring sensor (6) and a data processing system, wherein the adjustable sizing disc (2), the adjustable roller set, the diameter roundness measuring sensor (4), the 12-line longitude and latitude measuring instrument (5) and the slope measuring sensor (6) are arranged on a grooving operation vertical face (12) of the grooving operation vertical face rack, the sizing disc (2) is installed on a rear shaft of a grooving driving wheel of the steel pipe grooving machine, the adjustable roller set comprises a sizing roller (13), a centripetal circumferential roller (3) and an adjustable centripetal circumferential roller seat (14), the sizing roller (13) is installed on two sides of an automatic pressing wheel of the steel pipe grooving machine, and the centripetal circumferential roller (3) is arranged on the adjustable centripetal circumferential roller seat (14) on the grooving operation vertical face rack and can move up and down along a vertical line of a circle center for adjustment.
2. The steel pipe grooving pipe end composite vertical limiting device according to claim 1, wherein the adjustable centripetal circumferential roller seat (14) is provided with a plurality of elongated centripetal circumferential rollers facing the center of a circle, the elongated centripetal circumferential rollers and the sizing rollers are integrated on the same plane, axis extension lines of the elongated centripetal circumferential rollers and the sizing rollers intersect at the same point, and the center of the circle and the radius of the adjustable roller set are suitable for being adjusted along with the up-and-down movement of the adjustable centripetal circumferential roller seat (14) along the vertical direction of the center of the circle according to different specifications of steel pipes.
3. The steel pipe notching pipe end composite vertical stop according to claim 1, wherein said sizing roller (13) is adapted to determine a steel pipe end notching distance dimension, said sizing disc (2) is adapted to limit the position of the steel pipe end notching groove, said sizing disc (2) is adapted to limit the length dimension by a common stop, said sizing disc (2) having a surface hardness Rockwell hardness of more than 90 degrees.
4. A steel pipe notching apparatus having a composite vertical limiting device at the end of a steel pipe notching pipe as set forth in any one of claims 1 to 3, comprising: the steel pipe grooving machine comprises a steel pipe grooving machine (1), an adjustable sizing disc (2) arranged on a grooving operation vertical face (12) of a grooving operation vertical face rack, an adjustable roller set, a diameter roundness measuring sensor (4), a 12-line longitude and latitude measuring instrument (5), an inclination measuring sensor (6) and a data processing system, a deflection sensor (7), a platform position sensor (8), a steel pipe supporting platform (9), a grooving device (10), a base platform (11), a frame (15) and an intelligent control system, wherein the platform position sensor (8) is arranged on the upper surface of the steel pipe supporting platform (9), the deflection sensor (7) is arranged on the frame (15), the grooving device (10) of the steel pipe grooving machine (1) is positioned in the same circle center position on the same plane with the adjustable sizing disc (2) and the adjustable roller set, the steel pipe supporting platform (9) is arranged on the base platform (11) of the frame (15), and the intelligent control system is in signal connection with the steel pipe supporting platform (9) and the steel pipe grooving master control system.
5. The steel pipe grooving equipment of claim 4, wherein the steel pipe grooving equipment further comprises a groove depth measuring device arranged on the grooving operation rack and used for controlling and checking perpendicularity of the steel pipe port.
6. The steel pipe grooving equipment of claim 4, wherein the grooving work vertical plane frame is further provided with a multi-dimensional measuring instrument and a verticality measuring system for measuring the port face of the steel pipe, and the horizontal centrality of the steel pipe is measured according to the verticality of the pipe end face and the grooving work equipment and is automatically aligned through an intelligent control system.
7. A steel pipe notching apparatus according to claim 4, wherein said platform orientation sensor (8) comprises a platform angle sensor and/or a platform level sensor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222458306.4U CN218283329U (en) | 2022-09-16 | 2022-09-16 | Compound perpendicular stop device of steel pipe indent pipe end and steel pipe indent equipment |
| PCT/CN2022/138551 WO2024055453A1 (en) | 2022-09-16 | 2022-12-13 | Composite vertical position-limiting device for grooved pipe end of steel pipe and steel pipe grooving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222458306.4U CN218283329U (en) | 2022-09-16 | 2022-09-16 | Compound perpendicular stop device of steel pipe indent pipe end and steel pipe indent equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218283329U true CN218283329U (en) | 2023-01-13 |
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ID=84815879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222458306.4U Active CN218283329U (en) | 2022-09-16 | 2022-09-16 | Compound perpendicular stop device of steel pipe indent pipe end and steel pipe indent equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218283329U (en) |
| WO (1) | WO2024055453A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207615443U (en) * | 2017-11-25 | 2018-07-17 | 天津锦丰盛泰科技集团有限公司 | A kind of positioning device on book joint setting machine |
| CN107891098A (en) * | 2017-12-25 | 2018-04-10 | 江苏双友智能装备科技股份有限公司 | Full-automatic steel pipe pipe end sizing mill |
| CN213530322U (en) * | 2020-09-30 | 2021-06-25 | 天津市安信通达机电设备安装工程有限公司 | Positioning device of grooving machine |
| CN112692133B (en) * | 2021-03-25 | 2021-07-02 | 烟台大学文经学院 | Automatic pipeline indent production line |
| KR102372816B1 (en) * | 2021-12-07 | 2022-03-08 | 김상록 | Pipe processing groove formini device |
| CN216857884U (en) * | 2022-01-24 | 2022-07-01 | 潍坊江钢机械有限公司 | Pipe fitting grooving machine |
-
2022
- 2022-09-16 CN CN202222458306.4U patent/CN218283329U/en active Active
- 2022-12-13 WO PCT/CN2022/138551 patent/WO2024055453A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2024055453A1 (en) | 2024-03-21 |
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