CN213104141U

CN213104141U - Pipe end expanding device for spiral submerged-arc welding pipe

Info

Publication number: CN213104141U
Application number: CN202021674263.8U
Authority: CN
Inventors: 张峰
Original assignee: Liaoning Xinhongxiang Steel Pipe Co ltd
Current assignee: Liaoning Xinhongxiang Steel Pipe Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-04
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a spiral submerged arc welded pipe end expanding device, which comprises a fixed station, wherein a slide rail is fixedly arranged at the top of the fixed station, two sides of the outer surface of the slide rail are respectively and slidably connected with a slide block, two top parts of the slide blocks are respectively and fixedly connected with a semicircular clamping block, two outer sides of the semicircular clamping blocks are respectively and fixedly connected with a connecting piece, one side of the connecting piece is fixedly connected with an L-shaped plate, the bottom part of the L-shaped plate is fixedly connected with a vertical rod, the bottom end of the vertical rod penetrates through the fixed station and extends to the inside of the fixed station, the inside of the fixed station is rotatably connected with a threaded rod, the utility model can drive the two L-shaped plates to move oppositely through the matching among a handle, the threaded rod, a threaded sleeve and the vertical rod, further drives the two semicircular clamping blocks to clamp the pipe, realizes the clamping of, the shaking condition of the pipeline influences the expanding process and the expanding precision.

Description

Pipe end expanding device for spiral submerged-arc welding pipe

Technical Field

The utility model relates to a spiral submerged arc welded pipe technical field specifically is a spiral submerged arc welded pipe end hole enlargement device.

Background

Submerged arc welded pipes are classified into uo (uoe), rb (rbe), jco (jcoe), and the like according to the forming method. The steel plate is pressed into a U shape in a forming die, then pressed into an O shape, then submerged-arc welding is carried out inside and outside, and after welding, the steel plate is generally expanded at the end or the whole length range and is called a UO welded pipe, and the steel plate without the expansion is called a UO welded pipe. And rolling, bending and molding the steel plate, then carrying out internal and external submerged arc welding, and expanding the welded steel plate into an RBE welded pipe or an RB welded pipe without expanding the welded steel plate.

When the spiral submerged arc welding pipe is expanded, the pipeline needs to be clamped, but the conventional clamping device is not stable enough, the clamping force is not enough, the pipeline is easy to shake when the pipeline is expanded, and further expansion is influenced. Therefore, the utility model provides a spiral submerged arc welded pipe end expanding device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral submerged arc welded pipe end hole enlargement device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a spiral submerged arc welded pipe end hole enlargement device, comprises a fixed bench, the top fixed mounting of fixed station has the slide rail, the equal sliding connection in both sides of slide rail surface has the slider, two the equal fixedly connected with semicircle clamp splice in top of slider, two the equal fixedly connected with connecting piece in outside of semicircle clamp splice, one side fixedly connected with L shaped plate of connecting piece, the bottom fixedly connected with montant of L shaped plate, the bottom of montant runs through the fixed station and extends to the inside of fixed station, the inside of fixed station is rotated and is connected with the threaded rod, the screw thread opposite direction of threaded rod surface both sides, the equal threaded connection in both sides of threaded rod surface has the thread bush, the top of thread bush and the bottom fixed connection of montant, the one end fixedly connected with handle of threaded rod.

As an optimal technical solution of the utility model: the bottom fixedly connected with L shape support of fixed station one side, the top fixedly connected with hydraulic stem that just is located L shape support of one side of fixed station, the one end fixedly connected with riser of hydraulic stem.

As an optimal technical solution of the utility model: one side fixedly connected with mounting of riser, one side fixedly connected with toper expansion section of thick bamboo of mounting.

As an optimal technical solution of the utility model: the equal fixedly connected with branch in both sides of mounting, the one end fixedly connected with nest block of branch.

As an optimal technical solution of the utility model: and supporting plates are fixedly connected to two sides of the top of the fixed table, and one side of each of the two supporting plates is fixedly connected with one side of the inner surface of the L-shaped support through a fixed rod.

As an optimal technical solution of the utility model: the outer surface of the fixed rod is connected with the inner surface of the sleeve block in a sliding mode.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a cooperation between handle, threaded rod, thread bush and the montant can drive two L shaped plates and remove in opposite directions, and then drives two semicircle clamp blocks and press from both sides tightly the pipeline, realizes carrying out the centre gripping to the pipeline that is required to expand the diameter, avoids when expanding the diameter to the pipeline, and the condition that rocks appears in the pipeline influences the process of expanding the diameter and the precision of expanding the diameter.

Drawings

FIG. 1 is a schematic structural diagram of a pipe end expanding device of a spiral submerged arc welded pipe.

FIG. 2 is a structural side view of a pipe end expanding device of a spiral submerged arc welded pipe.

FIG. 3 is a schematic structural diagram of a connection of a support rod and a sleeve block in a pipe end expanding device of a spiral submerged arc welded pipe.

Fig. 4 is a partially enlarged view of a pipe end expanding device of a spiral submerged arc welded pipe at a position A in fig. 2.

In the figure: 1. a fixed table; 2. a slide rail; 3. a slider; 4. a semicircular clamping block; 5. a connecting member; 6. an L-shaped plate; 7. a vertical rod; 8. a threaded rod; 9. a threaded sleeve; 10. a handle; 11. an L-shaped bracket; 12. a hydraulic lever; 13. a vertical plate; 14. a fixing member; 15. a conical expansion cylinder; 16. a strut; 17. sleeving blocks; 18. a support plate; 19. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a spiral submerged arc welded pipe end hole enlargement device, including fixed station 1, the top fixed mounting of fixed station 1 has slide rail 2, the equal sliding connection in both sides of slide rail 2 surface has slider 3, the equal fixedly connected with semicircle clamp splice 4 in top of two sliders 3, the equal fixedly connected with connecting piece 5 in outside of two semicircle clamp splices 4, one side fixedly connected with L shaped plate 6 of connecting piece 5, the bottom fixedly connected with montant 7 of L shaped plate 6, the bottom of montant 7 runs through fixed station 1 and extends to the inside of fixed station 1, the inside of fixed station 1 is rotated and is connected with threaded rod 8, the screw thread opposite direction of 8 surface both sides of threaded rod, the equal threaded connection in both sides of 8 surfaces of threaded rod has thread bush 9, the top of thread bush 9 and the bottom fixed connection of montant 7, the one end fixedly connected with handle 10.

The bottom of one side of the fixed table 1 is fixedly connected with an L-shaped support 11, one side of the fixed table 1 is fixedly connected with a hydraulic rod 12 above the L-shaped support 11, one end of the hydraulic rod 12 is fixedly connected with a vertical plate 13, and the two L-shaped plates 6 can be driven to move in opposite directions through matching between a handle 10, a threaded rod 8, a threaded sleeve 9 and a vertical rod 7, so that the two semicircular clamping blocks 4 are driven to clamp the pipeline, and the pipeline needing to be expanded in diameter is clamped.

Wherein, a fixing piece 14 is fixedly connected with one side of the vertical plate 13, and a conical expansion cylinder 15 is fixedly connected with one side of the fixing piece 14.

Wherein, the both sides of mounting 14 all fixedly connected with branch 16, the one end fixedly connected with cutting ferrule 17 of branch 16 can increase the stability that toper expansion section of thick bamboo 15 removed through being provided with branch 16 and cutting ferrule 17.

Wherein, both sides at the top of the fixed table 1 are fixedly connected with support plates 18, and one side of each of the two support plates 18 is fixedly connected with one side of the inner surface of the L-shaped bracket 11 through a fixed rod 19.

Wherein, the outer surface of the fixed rod 19 is connected with the inner surface of the sleeve block 17 in a sliding way.

Specifically, the utility model discloses during the use: the pipeline to be expanded is plugged between the two semicircular clamping blocks 4, the handle 10 is rotated, the threaded rod 8 is driven to rotate, the two threaded sleeves 9 are matched to drive the two vertical rods 7 to move oppositely, the L-shaped plate 6 is matched to drive the two semicircular clamping blocks 4 to clamp the clamped pipeline, the hydraulic rod 12 is started again, and the hydraulic rod 12 drives the conical expansion cylinder 15 to enter an expansion port of the pipeline, so that the pipeline is expanded.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The pipe end expanding device for the spiral submerged-arc welded pipe comprises a fixed table (1) and is characterized in that a sliding rail (2) is fixedly mounted at the top of the fixed table (1), sliding blocks (3) are respectively and slidably connected to two sides of the outer surface of the sliding rail (2), semicircular clamping blocks (4) are respectively and fixedly connected to the tops of the two sliding blocks (3), a connecting piece (5) is respectively and fixedly connected to the outer sides of the two semicircular clamping blocks (4), an L-shaped plate (6) is fixedly connected to one side of the connecting piece (5), a vertical rod (7) is fixedly connected to the bottom of the L-shaped plate (6), the bottom end of the vertical rod (7) penetrates through the fixed table (1) and extends into the fixed table (1), a threaded rod (8) is rotatably connected to the inner part of the fixed table (1), the directions of threads on two sides of the outer surface of the threaded rod (8) are opposite, and threaded sleeves (, the top of thread bush (9) and the bottom fixed connection of montant (7), the one end fixedly connected with handle (10) of threaded rod (8).

2. The spiral submerged arc welded pipe end expanding device of claim 1, characterized in that an L-shaped support (11) is fixedly connected to the bottom of one side of the fixing table (1), a hydraulic rod (12) is fixedly connected to one side of the fixing table (1) and above the L-shaped support (11), and a vertical plate (13) is fixedly connected to one end of the hydraulic rod (12).

3. The spiral submerged arc welded pipe end expanding device of claim 2, characterized in that a fixing piece (14) is fixedly connected to one side of the vertical plate (13), and a conical expansion cylinder (15) is fixedly connected to one side of the fixing piece (14).

4. The spiral submerged arc welded pipe end expanding device of claim 3, characterized in that a support rod (16) is fixedly connected to both sides of the fixing piece (14), and a sleeve block (17) is fixedly connected to one end of the support rod (16).

5. The spiral submerged arc welded pipe end expanding device of claim 1, characterized in that support plates (18) are fixedly connected to two sides of the top of the fixing table (1), and one side of each support plate (18) is fixedly connected with one side of the inner surface of the L-shaped support (11) through a fixing rod (19).

6. The spiral submerged arc welded pipe end expanding device according to claim 5, characterized in that the outer surface of the fixing rod (19) is slidably connected with the inner surface of the sleeve block (17).