CN223761793U - Large-caliber seamless steel tube straightening tool - Google Patents
Large-caliber seamless steel tube straightening toolInfo
- Publication number
- CN223761793U CN223761793U CN202520135324.XU CN202520135324U CN223761793U CN 223761793 U CN223761793 U CN 223761793U CN 202520135324 U CN202520135324 U CN 202520135324U CN 223761793 U CN223761793 U CN 223761793U
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- CN
- China
- Prior art keywords
- straightening
- steel pipe
- auxiliary
- seamless steel
- base
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Abstract
本实用新型公开了一种大口径无缝钢管矫直工装，包括底座、两夹块和辅助矫直机构，底座中部设有对应钢管的托座，辅助矫直机构包括固定台、移动台和辅助矫直块，固定台后端设有丝杆，丝杆的两侧的固定台上对称设置有一导向杆，固定台前端还设有驱动丝杆进行旋转的驱动机构，辅助矫直块螺接在丝杆上，两导向杆分别穿过辅助矫直块上对应的导向孔，辅助矫直块为与钢管内径对应的扁盘状，进行矫直时辅助矫直块与钢管同轴设置，移动台上设有对应丝杆及导向杆的连接孔，本实用新型的辅助矫直块配合两夹块可对钢管进行矫直的同时完成对钢管的精校及管壁修复，尤其适用于薄壁大口径无缝钢管的矫直作业。
This utility model discloses a straightening fixture for large-diameter seamless steel pipes, including a base, two clamping blocks, and an auxiliary straightening mechanism. The base has a support corresponding to the steel pipe in the middle. The auxiliary straightening mechanism includes a fixed platform, a moving platform, and an auxiliary straightening block. A lead screw is provided at the rear end of the fixed platform, and guide rods are symmetrically arranged on both sides of the lead screw on the fixed platform. A drive mechanism for rotating the lead screw is also provided at the front end of the fixed platform. The auxiliary straightening block is screwed onto the lead screw, and the two guide rods pass through corresponding guide holes on the auxiliary straightening block. The auxiliary straightening block is a flat disc shape corresponding to the inner diameter of the steel pipe. During straightening, the auxiliary straightening block is coaxially arranged with the steel pipe. The moving platform has connection holes corresponding to the lead screw and guide rods. This utility model's auxiliary straightening block, in conjunction with the two clamping blocks, can straighten the steel pipe while simultaneously performing fine alignment and pipe wall repair, making it particularly suitable for straightening thin-walled, large-diameter seamless steel pipes.
Description
Technical Field
The utility model relates to a large-caliber seamless steel tube straightening tool.
Background
The pipe wall of the large-caliber seamless steel pipe is relatively thin, while the steel pipe straightening equipment in the prior art is roll type straightening equipment, the pipe wall of the steel pipe is easy to collapse when the equipment is used for straightening, and the pipe wall of the bending part of the large-caliber seamless steel pipe is also often accompanied by the condition of partial sinking, so that the corresponding fine correction and repair are required after the steel pipe is straightened, and the working procedure is relatively complicated.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a tool suitable for straightening a thin-wall large-caliber seamless steel tube, and the concave part of the steel tube can be repaired in the straightening process.
The technical scheme of the utility model is that the large-caliber seamless steel tube straightening tool comprises a base, two clamping blocks respectively connected to the two sides of the base in a left-right moving way and an auxiliary straightening mechanism;
The middle part of the base is provided with a bracket corresponding to the steel pipe, the steel pipe is supported on the bracket, and the two clamping blocks keep a distance from the bracket when clamping and straightening the steel pipe;
The auxiliary straightening mechanism comprises a fixed table, a movable table and auxiliary straightening blocks, wherein a screw rod is arranged at the rear end of the fixed table, guide rods are symmetrically arranged on the fixed tables at the two sides of the screw rod, a driving mechanism for driving the screw rod to rotate is further arranged at the front end of the fixed table, the auxiliary straightening blocks are in threaded connection with the screw rod, the two guide rods respectively penetrate through corresponding guide holes on the auxiliary straightening blocks, the auxiliary straightening blocks are flat disc-shaped corresponding to the inner diameter of a steel pipe, and when straightening is performed, the auxiliary straightening blocks and the steel pipe are coaxially arranged, and connecting holes corresponding to the screw rod and the guide rods are arranged on the movable table;
the fixed station is fixed at the front end of the base, and the mobile station is movably connected at the rear end of the base.
Specifically, the bracket is a rectangular form slide rail, the top of slide rail is the arc.
Specifically, the rear end of the bracket extends out of the rear end of the base.
Furthermore, the front end and the rear end of the auxiliary straightening block are respectively provided with a truncated cone.
Furthermore, the movable table is provided with a connecting sleeve corresponding to the screw rod, and the connecting sleeve is rotationally connected in a corresponding connecting hole on the movable table.
Further, the base both sides are equipped with the wallboard respectively, two be equipped with the pneumatic cylinder that is used for driving the clamp splice to carry out the displacement on the wallboard respectively, the piston rod of pneumatic cylinder is connected with the clamp splice that corresponds.
Furthermore, the base is also provided with a plurality of guide rails corresponding to the two clamping blocks, the bottoms of the two clamping blocks are respectively provided with a sliding block corresponding to each guide rail, and each sliding block is matched with the corresponding guide rail.
Further, reinforcing plates are further arranged on the outer sides of the two wallboards respectively.
Further, the bottom of the mobile station is also provided with a roller with a brake.
Specifically, the driving mechanism is a forward and reverse rotation speed reduction motor.
The utility model has the beneficial effects that the structure is simple, the auxiliary straightening block is matched with the two clamping blocks, the steel pipe can be straightened, the fine correction and the pipe wall repair of the steel pipe can be finished, and the utility model is particularly suitable for the straightening operation of the thin-wall large-caliber seamless steel pipe.
Drawings
FIG. 1 is a top view of the present utility model;
Fig. 2 is a cross-sectional view of the present utility model.
In the figure, a base 1, a clamping block 2, a steel pipe 3, a bracket 4, a fixed table 5, a movable table 6, an auxiliary straightening block 7, a screw rod 8, a guide rod 9, a driving mechanism 10, a wallboard 11, a hydraulic cylinder 12, a guide rail 13 and a reinforcing plate 14.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Referring to fig. 1 and 2, a large-caliber seamless steel tube straightening tool comprises a base 1, two clamping blocks 2 respectively connected to two sides of the base 1in a left-right moving manner, and an auxiliary straightening mechanism;
The middle part of the base 1 is provided with a bracket 4 corresponding to the steel pipe 3, the steel pipe 3 is supported on the bracket 4, and the two clamping blocks 2 keep a distance from the bracket 4 when clamping and straightening the steel pipe 3;
The auxiliary straightening mechanism comprises a fixed table 5, a movable table 6 and auxiliary straightening blocks 7, wherein a screw rod 8 is arranged at the rear end of the fixed table 5, guide rods 9 are symmetrically arranged on the fixed tables 5 at two sides of the screw rod 8, a driving mechanism 10 for driving the screw rod 8 to rotate is further arranged at the front end of the fixed table 5, the auxiliary straightening blocks 7 are in threaded connection with the screw rod 8, the two guide rods 9 respectively penetrate through corresponding guide holes on the auxiliary straightening blocks 7, the auxiliary straightening blocks 7 are flat disc-shaped corresponding to the inner diameter of the steel pipe 3, the auxiliary straightening blocks 7 and the steel pipe 3 are coaxially arranged during straightening, and connecting holes corresponding to the screw rod 8 and the guide rods 9 are formed in the movable table 6;
The fixed table 5 is fixed at the front end of the base 1, and the movable table 6 is movably connected at the rear end of the base 1.
The working principle of the structure is that firstly, the moving table 6 is removed, a thin-wall large-caliber seamless steel pipe is placed on the bracket 4, the distance between the two guide rods 9 is far smaller than the inner diameter of the steel pipe 3, the steel pipe 3 can be directly pushed into the space between the two clamping blocks 2 along the bracket 4, and the bent part of the steel pipe 3 is not generally arranged at the end part of the steel pipe 3, so that the auxiliary straightening block 7 positioned at the rear end of the fixed table 5 can be directly inserted into the end part of the steel pipe 3, after the steel pipe 3 is pushed in, the two clamping blocks 2 are folded towards the middle, the steel pipe 3 is clamped and straightened, the steel pipe 3 is primarily straightened under the action of the two clamping blocks 2, then the moving seat is moved to the rear end of the base 1, the screw rod 8 and the two guide rods 9 respectively penetrate through corresponding holes on the moving seat, the screw rod 8 and the two guide rods 9 are supported, the driving mechanism 10 is started, the auxiliary straightening block 7 is enabled to be finely corrected along the inner part of the steel pipe 3, coaxiality of the steel pipe 3 is ensured, the part of the pipe wall of the steel pipe is repaired, after finishing fine correction, the auxiliary straightening block 7 is reset, the two clamping blocks 2 are moved, the moving the clamping blocks 2 are reset, and the steel pipe 3 can be pulled out.
The structure has the beneficial effects that the structure is simple, the auxiliary straightening block 7 is matched with the two clamping blocks 2, so that the steel pipe 3 can be straightened, the fine correction and the pipe wall repair of the steel pipe 3 can be finished, and the structure is particularly suitable for straightening operation of thin-wall large-caliber seamless steel pipes.
In another embodiment, as shown in fig. 1 and 2, the bracket 4 is an elongated sliding rail, and the top of the sliding rail is curved.
In another embodiment, as shown in fig. 1, the rear end of the bracket 4 extends out of the rear end of the base 1, so that the steel pipe 3 can be put on the bracket 4 for pushing in or pulling out.
In another embodiment, as shown in fig. 2, the front and rear ends of the auxiliary straightening block 7 are respectively provided with a truncated cone so as to conveniently enter or exit the interior of the steel pipe 3.
In another embodiment, the moving table 6 is provided with a connecting sleeve corresponding to the screw rod 8, and the connecting sleeve is rotatably connected in a corresponding connecting hole on the moving table 6, so as to avoid damage to the screw rod 8.
In another embodiment, as shown in fig. 1 and fig. 2, two sides of the base 1 are respectively provided with a wall plate 11, two wall plates 11 are respectively provided with a hydraulic cylinder 12 for driving the clamping block 2 to displace, and a piston rod of the hydraulic cylinder 12 is connected with the corresponding clamping block 2.
In another embodiment, as shown in fig. 1 and fig. 2, the base 1 is further provided with a plurality of guide rails 13 corresponding to two clamping blocks 2, the bottoms of the two clamping blocks 2 are respectively provided with a sliding block corresponding to each guide rail 13, and each sliding block is matched with the corresponding guide rail 13, so as to avoid the deviation of the clamping blocks 2 in the clamping and straightening process.
In another embodiment, as shown in fig. 1 and 2, the outer sides of the two wallboards 11 are further provided with reinforcing plates 14, respectively, to ensure the reliability of the wallboards 11.
In another embodiment, a roller with brake is further arranged at the bottom of the mobile station 6.
In another embodiment, the driving mechanism 10 is a forward and reverse rotation gear motor.
Claims (10)
1. The large-caliber seamless steel tube straightening tool is characterized by comprising a base (1), two clamping blocks (2) which are respectively connected to the two sides of the base (1) in a left-right moving manner and an auxiliary straightening mechanism;
The middle part of the base (1) is provided with a bracket (4) corresponding to the steel pipe (3), the steel pipe (3) is supported on the bracket (4), and the two clamping blocks (2) keep a distance with the bracket (4) when clamping and straightening the steel pipe (3);
The auxiliary straightening mechanism comprises a fixed table (5), a movable table (6) and auxiliary straightening blocks (7), wherein a screw rod (8) is arranged at the rear end of the fixed table (5), guide rods (9) are symmetrically arranged on the fixed table (5) at two sides of the screw rod (8), a driving mechanism (10) for driving the screw rod (8) to rotate is further arranged at the front end of the fixed table (5), the auxiliary straightening blocks (7) are in threaded connection with the screw rod (8), the two guide rods (9) respectively penetrate through corresponding guide holes in the auxiliary straightening blocks (7), the auxiliary straightening blocks (7) are flat disc-shaped corresponding to the inner diameter of the steel pipe (3), and the auxiliary straightening blocks (7) and the steel pipe (3) are coaxially arranged during straightening, and connecting holes corresponding to the screw rod (8) and the guide rods (9) are formed in the movable table (6);
The fixed table (5) is fixed at the front end of the base (1), and the movable table (6) is movably connected at the rear end of the base (1).
2. A large diameter seamless steel tube straightening tool according to claim 1, characterized in that the bracket (4) is a strip-shaped sliding rail, and the top of the sliding rail is arc-shaped.
3. A large-caliber seamless steel tube straightening tool as claimed in claim 2, wherein the rear end of the bracket (4) extends out of the rear end of the base (1).
4. A large caliber seamless steel tube straightening tool as claimed in claim 3, characterized in that the front and rear ends of the auxiliary straightening block (7) are respectively provided with a truncated cone.
5. The large-caliber seamless steel tube straightening tool as claimed in claim 4, wherein the movable table (6) is provided with a connecting sleeve corresponding to the screw rod (8), and the connecting sleeve is rotatably connected in a corresponding connecting hole on the movable table (6).
6. The large-caliber seamless steel tube straightening tool as claimed in claim 5, wherein wall boards (11) are respectively arranged on two sides of the base (1), hydraulic cylinders (12) for driving the clamping blocks (2) to move are respectively arranged on the two wall boards (11), and piston rods of the hydraulic cylinders (12) are connected with the corresponding clamping blocks (2).
7. The large-caliber seamless steel tube straightening tool as claimed in claim 6, wherein the base (1) is further provided with a plurality of guide rails (13) corresponding to two clamping blocks (2), the bottoms of the two clamping blocks (2) are respectively provided with sliding blocks corresponding to the guide rails (13), and each sliding block is matched with the corresponding guide rail (13).
8. A large diameter seamless steel pipe straightening tool according to claim 7, characterized in that the outer sides of the two wall boards (11) are respectively provided with a reinforcing plate (14).
9. The large-caliber seamless steel tube straightening tool as claimed in claim 8, wherein a roller with a brake is further arranged at the bottom of the mobile station (6).
10. The large-caliber seamless steel tube straightening tool as claimed in claim 9, wherein the driving mechanism (10) is a forward and reverse rotation gear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520135324.XU CN223761793U (en) | 2025-01-21 | 2025-01-21 | Large-caliber seamless steel tube straightening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520135324.XU CN223761793U (en) | 2025-01-21 | 2025-01-21 | Large-caliber seamless steel tube straightening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223761793U true CN223761793U (en) | 2026-01-06 |
Family
ID=98250575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520135324.XU Active CN223761793U (en) | 2025-01-21 | 2025-01-21 | Large-caliber seamless steel tube straightening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223761793U (en) |
-
2025
- 2025-01-21 CN CN202520135324.XU patent/CN223761793U/en active Active
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