CN219472496U

CN219472496U - Novel thick-wall seamless steel tube for high-strength mechanical structure

Info

Publication number: CN219472496U
Application number: CN202320268389.2U
Authority: CN
Inventors: 崔涛
Original assignee: Zhejiang Honghai Steel Pipe Manufacturing Co ltd
Current assignee: Zhejiang Honghai Steel Pipe Manufacturing Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-04
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a novel thick-wall seamless steel tube for a high-strength mechanical structure, which comprises a steel tube main body, wherein a reinforcing rod is further arranged in the steel tube main body, the end part of the reinforcing rod is provided with a clamping block, the outer wall of the reinforcing rod is abutted against the inner wall of the steel tube main body, the length of the clamping block is larger than the inner diameter of the steel tube main body, the clamping block is positioned outside the end part of the steel tube main body, the novel thick-wall seamless steel tube also comprises a fixing seat, the fixing seat is fixed on the mechanical structure and is provided with a continuous first limit groove and a continuous second limit groove, the fixing seat is further rotationally connected with a limit shaft, the limit shaft is provided with a groove corresponding to the second limit groove, and the groove extends to the front end of the limit shaft.

Description

Novel thick-wall seamless steel tube for high-strength mechanical structure

Technical Field

The utility model relates to a thick-wall seamless steel tube for a novel high-strength mechanical structure.

Background

The seamless steel pipe is widely applied to parts such as a guide part and a support part in a mechanical structure, when the seamless steel pipe is used as the part of the mechanical structure to be connected to the mechanical structure at present, the seamless steel pipe is generally fixed in a welding or flange-combined bolt mode, and the seamless steel pipe with the structure obviously has the defect of inconvenient installation and disassembly because the mechanical structure is frequently required to be disassembled and maintained.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a novel thick-wall seamless steel tube for a high-strength mechanical structure, which is more convenient to assemble and disassemble.

The technical scheme of the utility model is as follows: the utility model provides a novel thick wall seamless steel pipe for high strength mechanical structure, includes the steel pipe main part, still be equipped with the stiffener in the steel pipe main part, the tip of stiffener has the fixture block, the outer wall of stiffener and the inner wall butt of steel pipe main part, the length of fixture block is greater than the internal diameter in the steel pipe main part, the fixture block is located the tip outside of steel pipe main part;

the device comprises a mechanical structure, and is characterized by further comprising a fixed seat, wherein the fixed seat is fixed on the mechanical structure and is provided with a first limiting groove and a second limiting groove which are continuous, the fixed seat is also rotationally connected with a limiting shaft, the limiting shaft is provided with a groove corresponding to the second limiting groove, and the groove extends to the front end of the limiting shaft;

the clamping block is clamped in and moved to the first limiting groove by the second limiting groove, and the limiting shaft rotates to enable the groove and the second limiting groove to be staggered to limit the clamping block.

Further, a limiting convex point is arranged at one end of the inner periphery of the steel pipe main body, a limiting concave corresponding to the limiting convex point is arranged at one end of the reinforcing rod, and the limiting convex point is matched with the limiting concave.

Specifically, the clamping block is a trapezoid clamping block, the first limiting groove is a dovetail groove, and the second limiting groove is a square groove.

Further, the length of the first limiting groove corresponds to the clamping block.

Further, after the clamping blocks are clamped into the first limiting grooves, the end parts of the steel pipe main body are abutted against the top surface of the fixing seat.

Furthermore, the limiting shaft is also provided with a handle which is cylindrical and penetrates out of the fixing seat.

Furthermore, a damping ring is arranged at the joint of the handle and the fixed seat.

Further, the handle is also provided with a bump.

Further, an elastic gasket is further arranged at the end part of the first limiting groove.

Further, the end of the reinforcing rod, which is far away from the clamping block, is further provided with a threaded end, the threaded end protrudes out of the steel pipe main body, and a limiting cap is screwed on the threaded end to limit the steel pipe main body and the reinforcing rod.

The beneficial effects of the utility model are as follows: when the steel pipe main body is fixed on the fixed seat, the clamping block is aligned with the second limiting groove and moves the steel pipe main body towards the first limiting groove, then the limiting shaft is rotated to lock the steel pipe main body, at the moment, the vertical direction of the steel pipe main body is limited by the first limiting groove, the left and right directions are limited by the limiting shaft, and the limiting mode is firm and reliable, simple and convenient;

in addition, the steel pipe main body is a thick-wall steel pipe, the reinforcing rod is a solid rod, and the combination of the thick-wall steel pipe and the solid rod can effectively ensure the high strength of the steel pipe main body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the limiting shaft of the present utility model;

fig. 3 is a schematic structural view of the steel pipe body, the reinforcing rod and the clamping block according to the present utility model.

In the figure: the steel pipe main body 1, the reinforcing rod 2, the clamping block 3, the fixing seat 4, the first limit groove 5, the second limit groove 6, the limit shaft 7, the groove 8, the limit convex points 9, the limit concave 10, the handle 11, the convex blocks 12 and the elastic gasket 13.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

1-3, a novel thick-wall seamless steel tube for a high-strength mechanical structure comprises a steel tube main body 1, wherein a reinforcing rod 2 is further arranged in the steel tube main body 1, a clamping block 3 is arranged at the end part of the reinforcing rod 2, the outer wall of the reinforcing rod 2 is abutted against the inner wall of the steel tube main body 1, the length of the clamping block 3 is larger than the inner diameter of the steel tube main body 1, and the clamping block 3 is positioned at the outer side of the end part of the steel tube main body 1;

the device further comprises a fixing seat 4, wherein the fixing seat 4 is fixed on a mechanical structure, the fixing seat 4 is provided with a first limiting groove 5 and a second limiting groove 6 which are continuous, the fixing seat 4 is also rotationally connected with a limiting shaft 7, the limiting shaft 7 is provided with a groove 8 corresponding to the second limiting groove 6, and the groove 8 extends to the front end of the limiting shaft 7;

the clamping block 3 is clamped in and moved to the first limiting groove 5 by the second limiting groove 6, and the limiting shaft 7 rotates to enable the groove 8 and the second limiting groove 6 to be staggered to limit the clamping block 3.

In the above structure, when the steel pipe main body 1 is fixed on the fixing seat 4, the steel pipe main body 1 can be locked by only aligning the clamping block 3 with the second limiting groove 6 and moving the steel pipe main body 1 towards the first limiting groove 5 and then rotating the limiting shaft 7, at this time, the vertical direction of the steel pipe main body 1 is limited by the first limiting groove 5, and the horizontal direction is limited by the limiting shaft 7, so that the limiting mode is firm and reliable, and simple and convenient; in addition, the steel pipe main body is a thick-wall steel pipe, the reinforcing rod is a solid rod, and the combination of the thick-wall steel pipe and the solid rod can effectively ensure the high strength of the steel pipe main body.

In another embodiment, as shown in fig. 3, a limit bump 9 is disposed at one end of the inner circumference of the steel pipe main body 1, one end of the reinforcing rod 2 is provided with a limit recess 10 corresponding to the limit bump 9, and the limit bump 9 and the limit recess 10 are matched to avoid relative rotation between the reinforcing rod 2 and the steel pipe main body 1.

In another embodiment, as shown in fig. 1, the fixture block 3 is a trapezoidal fixture block 3, the first limit groove 5 is a dovetail groove, and the second limit groove 6 is a square groove, so as to facilitate the placement and limit of the fixture block 3.

In another embodiment, as shown in fig. 1, the length of the first limiting groove 5 corresponds to the fixture block 3.

In another embodiment, after the clamping block 3 is clamped into the first limiting groove 5, the end portion of the steel pipe main body 1 abuts against the top surface of the fixing seat 4, so as to further improve the reliability of the connection position between the steel pipe main body 1 and the fixing seat 4.

In another embodiment, as shown in fig. 1, the fixing base 4 is a square base.

In another embodiment, the limiting shaft 7 further has a grip 11, and the grip 11 is cylindrical and extends out of the fixing seat 4, so as to facilitate the grip 11 to rotate the limiting shaft 7.

In another embodiment, a damping ring is further disposed at the connection between the grip 11 and the fixing base 4, so as to prevent the limit shaft 7 from easily rotating.

In another embodiment, as shown in fig. 2, the grip 11 further has a protrusion 12, and the protrusion 12 is used for positioning the groove 8 on the rotating shaft 7 and facilitating the force generated when the grip 11 is rotated.

In another embodiment, as shown in fig. 1, an elastic spacer 13 is further disposed at the end of the first limiting groove 5, and the spacer plays a role in fastening, so as to avoid the fixture block 3 from shaking left and right in the first limiting groove 5 due to machining errors.

In another embodiment, the end, far away from the clamping block 3, of the reinforcing rod 2 is further provided with a threaded end, the threaded end protrudes out of the steel pipe main body 1, and a limiting cap is screwed on the threaded end to limit the steel pipe main body 1 and the reinforcing rod 2.

Claims

1. The utility model provides a novel thick wall seamless steel pipe for high strength mechanical structure, includes steel pipe main part (1), its characterized in that still is equipped with stiffener (2) in steel pipe main part (1), the tip of stiffener (2) has fixture block (3), the outer wall of stiffener (2) and the inner wall butt of steel pipe main part (1), the length of fixture block (3) is greater than the internal diameter in steel pipe main part (1), fixture block (3) are located the tip outside of steel pipe main part (1);

the device is characterized by further comprising a fixing seat (4), wherein the fixing seat (4) is fixed on a mechanical structure, the fixing seat (4) is provided with a first continuous limiting groove (5) and a second continuous limiting groove (6), the fixing seat (4) is further rotationally connected with a limiting shaft (7), the limiting shaft (7) is provided with a groove (8) corresponding to the second limiting groove (6), and the groove (8) extends to the front end of the limiting shaft (7);

the clamping block (3) is clamped in by the second limiting groove (6) and moves to the first limiting groove (5), and the limiting shaft (7) rotates to enable the groove (8) and the second limiting groove (6) to be staggered to limit the clamping block (3).

2. The thick-wall seamless steel tube for the novel high-strength mechanical structure, as claimed in claim 1, is characterized in that a limit bump (9) is arranged at one end of the inner periphery of the steel tube main body (1), one end of the reinforcing rod (2) is provided with a limit concave (10) corresponding to the limit bump (9), and the limit bump (9) is matched with the limit concave (10).

3. The thick-wall seamless steel tube for the novel high-strength mechanical structure, as claimed in claim 2, wherein the clamping block (3) is a trapezoid clamping block (3), the first limit groove (5) is a dovetail groove, and the second limit groove (6) is a square groove.

4. A thick-wall seamless steel tube for a novel high-strength mechanical structure according to claim 3, wherein the length of the first limit groove (5) corresponds to the length of the clamping block (3).

5. The thick-wall seamless steel tube for the novel high-strength mechanical structure, as claimed in claim 4, wherein after the clamping block (3) is clamped into the first limit groove (5), the end part of the steel tube main body (1) is abutted against the top surface of the fixing seat (4).

6. The thick-wall seamless steel tube for the novel high-strength mechanical structure according to claim 5, wherein the limiting shaft (7) is further provided with a handle (11), and the handle (11) is cylindrical and penetrates out of the fixing seat (4).

7. The thick-wall seamless steel tube for the novel high-strength mechanical structure according to claim 6, wherein a damping ring is further arranged at the joint of the grip (11) and the fixing seat (4).

8. A thick-walled seamless steel pipe for a novel high strength mechanical structure according to claim 7, wherein the grip (11) further has a bump (12).

9. A thick-wall seamless steel tube for a novel high-strength mechanical structure according to claim 8, wherein the end of the first limit groove (5) is further provided with an elastic gasket (13).

10. The thick-wall seamless steel tube for the novel high-strength mechanical structure, as claimed in claim 9, wherein one end, far away from the clamping block (3), of the reinforcing rod (2) is further provided with a threaded end, the threaded end protrudes out of the steel tube main body (1), and a limiting cap is screwed on the threaded end to limit the steel tube main body (1) and the reinforcing rod (2).