CN213560843U

CN213560843U - Seamless steel pipe for engineering machinery

Info

Publication number: CN213560843U
Application number: CN202021128891.6U
Authority: CN
Inventors: 韩波; 周金苗; 郭洪建
Original assignee: Jiangsu Huacheng Industry Pipe Making Corp
Current assignee: Jiangsu Huacheng Industry Pipe Making Corp
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-06-29
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses an engineering machine tool is with seamless steel pipe, including being responsible for the body and stopper, the outside of being responsible for the body is equipped with the person in charge thick wall, and the thick walled end of being responsible for is equipped with the person in charge thin wall, the terminal reservation of being responsible for the thin wall has the main ring groove, and the inside in main ring groove has inlayed the sealing washer, the outside round of being responsible for the thin wall is equipped with outer screw thread, it is equipped with the stopper to be responsible for the thick wall near the one end of being responsible for the thin wall, and the inside intercommunication of being responsible for the thick wall and being responsible for the thin wall has the interior passageway of being responsible for, the one end that is close to being responsible for the. The main function that should be provided with the stopper lies in can spacing the position of reinforcing ring, and the main function of reinforcing ring lies in can strengthening fixedly to the junction of main pipe body and auxiliary pipe body, still plays in addition and prevents that auxiliary pipe thin wall and main pipe thin wall from taking place to bend because of receiving external shear pressure.

Description

Seamless steel pipe for engineering machinery

Technical Field

The utility model relates to a machinery specifically is a seamless steel pipe for engineering machine tool in seamless steel pipe technical field.

Background

The seamless steel pipe is a whole steel pipe made of metal, has no gap on the surface (except for a connecting pipe and a sleeve), and is mainly used as a petroleum geological drilling pipe, a cracking pipe for petrochemical industry, a boiler pipe, a bearing pipe and a high-precision structural steel pipe for automobiles, tractors and aviation.

At present, the seamless steel tube for engineering machinery in the market is mostly formed by a whole steel tube or welded by two sections of steel tubes. However, if a whole steel pipe is used as a main material, waste of the remaining steel pipes is inevitably caused due to different lengths, and if two sections are directly welded, leakage caused by external collision or untight welding is easily caused. Therefore, a seamless steel pipe for construction machinery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seamless steel pipe for engineering machine tool to solve the seamless steel pipe that the present market that proposes in the above-mentioned background art is used for engineering machine tool to use, it comprises a monoblock steel pipe mostly, perhaps forms by two sectional steel pipe welding. However, if a whole steel pipe is used as a main material, waste of the remaining steel pipes is inevitably caused due to different lengths, and if two sections are directly welded, the problem of leakage caused by external collision or untight welding is easily caused.

In order to achieve the above object, the utility model provides a following technical scheme: a seamless steel tube for engineering machinery comprises a main tube body and a limiting block, wherein the outer side of the main tube body is provided with a main tube thick wall, the tail end of the main pipe thick wall is provided with a main pipe thin wall, a main ring groove is reserved at the tail end of the main pipe thin wall, a sealing ring is embedded in the main ring groove, an external thread is arranged on the outer circle of the main pipe thin wall, a limiting block is arranged at one end of the main pipe thick wall close to the main pipe thin wall, the main pipe inner channel is communicated with the inside of the main pipe thick wall and the main pipe thin wall, one end of the main pipe body close to the main pipe thin wall is connected with an auxiliary pipe body, the outer side of the auxiliary pipe body is provided with an auxiliary pipe thick wall, and the tail end of the auxiliary pipe thick wall is provided with an auxiliary pipe thin wall, an inner thread is arranged on the outer circle of the auxiliary pipe thin wall, an auxiliary ring groove is reserved at the joint of the auxiliary pipe thin wall and the auxiliary pipe thick wall, and the inner parts of the thin wall of the secondary pipe and the thick wall of the secondary pipe are communicated with a channel in the secondary pipe, and a reinforcing ring is arranged at the joint of the main pipe body and the secondary pipe body.

Preferably, the limiting blocks and the reinforcing ring are distributed in a ring shape, and the length of the reinforcing ring is larger than that of the thin wall of the auxiliary pipe.

Preferably, the outer thread and the inner thread are arranged in an engaged manner, and a main pipe thin wall at the lower end of the outer thread and an auxiliary pipe thin wall at the upper end of the inner thread are arranged in an embedded manner.

Preferably, the main ring groove and the auxiliary ring groove are both distributed in a recessed ring shape, and the sealing ring is just embedded into the main ring groove and the auxiliary ring groove.

Preferably, the main pipe inner channel and the auxiliary pipe inner channel are communicated with each other, and the diameters of the auxiliary pipe inner channel and the auxiliary pipe inner channel are the same.

Preferably, the main pipe thick wall outside the main pipe body and the sub pipe thick wall outside the sub pipe body have the same diameter, and the main pipe body and the sub pipe body are both in a mutually embedded distribution.

Compared with the prior art, the beneficial effects of the utility model are that: this seamless steel pipe for engineering machine tool that has is provided with stopper's main effect lies in can spacing the position of reinforcing ring, and reinforcing ring's main effect lies in can strengthening fixedly to the department of linking of being responsible for body and auxiliary pipe body, still plays in addition and prevents that auxiliary pipe thin wall and main pipe thin wall from taking place to bend because of receiving external shear pressure.

The external thread and the internal thread are mutually meshed and distributed, so that the thin wall of the main pipe and the thin wall of the auxiliary pipe can be mutually fixed, the thin wall of the main pipe and the thin wall of the auxiliary pipe are more tightly connected, and the thin wall of the main pipe and the thin wall of the auxiliary pipe are mutually embedded and distributed, so that the main pipe body and the auxiliary pipe body can be integrated.

The main effect in owner circle groove and vice circle groove lies in holding the sealing washer for the sealing washer can not drop and walk the position when being responsible for the body and vice body butt joint, and the most main effect of sealing washer lies in can not the crack gas leakage when linking up to being responsible for the body and vice body in addition.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is a schematic structural view of the main tube of the present invention;

FIG. 4 is a schematic view of the structure of the auxiliary tube of the present invention;

fig. 5 is a schematic structural view of a cross section of the main tube of the present invention.

In the figure: 1. a primary tube; 2. the main pipe is thick; 3. the main pipe is thin-walled; 4. a main ring groove; 5. a seal ring; 6. external thread; 7. a limiting block; 8. a main pipe inner channel; 9. a secondary tube body; 10. the secondary pipe is thick; 11. the auxiliary pipe is thin-walled; 12. internal thread; 13. a secondary ring groove; 14. a secondary pipe inner channel; 15. and a reinforcing ring.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a seamless steel pipe for engineering machinery comprises a main pipe body 1, a main pipe thick wall 2, a main pipe thin wall 3, a main ring groove 4, a sealing ring 5, an external thread 6, a limiting block 7, a main pipe internal channel 8, an auxiliary pipe body 9, an auxiliary pipe thick wall 10, an auxiliary pipe thin wall 11, an internal thread 12, an auxiliary ring groove 13, an auxiliary pipe internal channel 14 and a reinforcing ring 15, wherein the main pipe thick wall 2 is arranged on the outer side of the main pipe body 1, the main pipe thin wall 3 is arranged at the tail end of the main pipe thick wall 2, the main pipe thin wall 3 is reserved at the tail end with the main ring groove 4, the sealing ring 5 is embedded in the main ring groove 4, the external thread 6 is arranged on one circle of the outer side of the main pipe thin wall 3, the limiting block 7 is arranged at one end of the main pipe thick wall 2 close to the main pipe thin wall 3, the main pipe internal channel 8 is communicated with the inner part of the main pipe thin wall 3, the main pipe, and the tail end of the auxiliary pipe thick wall 10 is provided with an auxiliary pipe thin wall 11, an inner thread 12 is arranged on one circle of the outer part of the auxiliary pipe thin wall 11, an auxiliary ring groove 13 is reserved at the joint of the auxiliary pipe thin wall 11 and the auxiliary pipe thick wall 10, an auxiliary pipe channel 14 is communicated between the auxiliary pipe thin wall 11 and the inner part of the auxiliary pipe thick wall 10, and a reinforcing ring 15 is arranged at the joint of the main pipe body 1 and the auxiliary pipe body 9.

The limiting block 7 and the reinforcing ring 15 are distributed in a ring shape, the length of the reinforcing ring 15 is larger than that of the auxiliary pipe thin wall 11, the limiting block 7 has the main function of limiting the position of the reinforcing ring 15, the reinforcing ring 15 has the main function of reinforcing and fixing the joint of the main pipe body 1 and the auxiliary pipe body 9, and the auxiliary pipe thin wall 11 and the main pipe thin wall 3 are prevented from being bent due to external shearing pressure;

the outer screw thread 6 and the inner screw thread 12 are distributed in an engaged manner, the main pipe thin wall 3 at the lower end of the outer screw thread 6 and the auxiliary pipe thin wall 11 at the upper end of the inner screw thread 12 are distributed in an engaged manner, the outer screw thread 6 and the inner screw thread 12 are distributed in an engaged manner, so that the main pipe thin wall 3 and the auxiliary pipe thin wall 11 can be fixed with each other, the main pipe thin wall 3 and the auxiliary pipe thin wall 11 are connected more tightly, and the main pipe thin wall 3 and the auxiliary pipe thin wall 11 are in an engaged manner, so that the main pipe body 1 and the auxiliary pipe body 9 can be integrated;

the main ring groove 4 and the auxiliary ring groove 13 are both distributed in a recessed ring shape, the sealing ring 5 is just embedded into the main ring groove 4 and the auxiliary ring groove 13, the main ring groove 4 and the auxiliary ring groove 13 are mainly used for accommodating the sealing ring 5, so that the sealing ring 5 cannot fall off and move when the main pipe body 1 and the auxiliary pipe body 9 are butted, and the sealing ring 5 is mainly used for preventing seam leakage and air leakage when the main pipe body 1 and the auxiliary pipe body 9 are connected;

the main pipe inner channel 8 is communicated with the auxiliary pipe inner channel 14, the diameters of the auxiliary pipe inner channel 14 and the auxiliary pipe inner channel 14 are the same, the main pipe inner channel 8 is communicated with the auxiliary pipe inner channel 14, the main pipe inner channel 8 and the auxiliary pipe inner channel 14 are in the effect of enabling the seamless steel pipe to be always kept in a smooth state when liquid and gas circulate, and the main pipe inner channel 8 is the same as the diameter of the auxiliary pipe inner channel 14 and is in the effect of always keeping stable flow rate when the liquid or the gas circulates in the seamless steel pipe;

the main pipe thick wall 2 outside the main pipe body 1 is the same as the secondary pipe thick wall 10 outside the secondary pipe body 9 in diameter, the main pipe body 1 and the secondary pipe body 9 are distributed in a mutual embedding mode, the main pipe thick wall 2 and the secondary pipe thick wall 10 are the same in diameter and are used for keeping the main pipe body 1 and the secondary pipe body 9 in the same horizontal line state, the pipe diameters of two ends of the main pipe body 1 and the secondary pipe body 9 are kept consistent, and the main pipe body 1 and the secondary pipe body 9 are distributed in a mutual embedding mode to mainly achieve the mutual fixing effect.

The working principle is as follows: for the seamless steel pipe for engineering machinery, firstly, a sealing ring 5 is plugged into a main ring groove 4, then a main pipe body 1 is butted with an auxiliary pipe body 9, when in butt joint, the main pipe thin wall 3 and the auxiliary pipe thin wall 11 are mutually embedded, and then the outer screw thread 6 and the inner screw thread 12 on the contact surface of the main pipe thin wall 3 and the auxiliary pipe thin wall 11 are rotated to further connect and reinforce, because the thin main pipe wall 3 and the thin auxiliary pipe wall 11 lack certain bending resistance after butt joint, a reinforcing ring 15 needs to be sleeved in from one end of the auxiliary pipe body 9, then sliding it to the position of the stop block 7 and welding it to form a reinforced whole, or not welding it if not too severe, it should be noted that after all the butt joints and welding are finished, the main pipe thick wall 2 and the auxiliary pipe thick wall 10 and the main pipe inner channel 8 and the auxiliary pipe inner channel 14 are distributed in the same straight line and form a connecting whole.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a seamless steel pipe for engineering machine tool, includes and is responsible for body (1) and stopper (7), its characterized in that: the outer side of the main pipe body (1) is provided with a main pipe thick wall (2), the tail end of the main pipe thick wall (2) is provided with a main pipe thin wall (3), a main ring groove (4) is reserved at the tail end of the main pipe thin wall (3), a sealing ring (5) is embedded in the main ring groove (4), an outer screw thread (6) is arranged on the outer ring of the main pipe thin wall (3), one end, close to the main pipe thin wall (3), of the main pipe thick wall (2) is provided with a limiting block (7), a main pipe inner channel (8) is communicated with the inner portion of the main pipe thin wall (3) of the main pipe thick wall (2), one end, close to the main pipe thin wall (3), of the main pipe body (1) is connected with an auxiliary pipe body (9), an auxiliary pipe thick wall (10) is arranged on the outer side of the auxiliary pipe thick wall (9), an auxiliary pipe thin wall (11) is arranged at the, an auxiliary ring groove (13) is reserved at the joint of the auxiliary pipe thin wall (11) and the auxiliary pipe thick wall (10), an auxiliary pipe inner channel (14) is communicated with the inner parts of the auxiliary pipe thin wall (11) and the auxiliary pipe thick wall (10), and a reinforcing ring (15) is arranged at the joint of the main pipe body (1) and the auxiliary pipe body (9).

2. The seamless steel pipe for construction machinery according to claim 1, characterized in that: the limiting blocks (7) and the reinforcing ring rings (15) are distributed in an annular shape, and the length of the reinforcing ring rings (15) is larger than that of the auxiliary pipe thin wall (11).

3. The seamless steel pipe for construction machinery according to claim 1, characterized in that: the outer screw thread (6) and the inner screw thread (12) are mutually meshed and distributed, and the main pipe thin wall (3) at the lower end of the outer screw thread (6) and the auxiliary pipe thin wall (11) at the upper end of the inner screw thread (12) are mutually embedded and distributed.

4. The seamless steel pipe for construction machinery according to claim 1, characterized in that: the main ring groove (4) and the auxiliary ring groove (13) are both distributed in a concave ring shape, and the sealing ring (5) is just embedded into the main ring groove (4) and the auxiliary ring groove (13).

5. The seamless steel pipe for construction machinery according to claim 1, characterized in that: the main pipe inner channel (8) is communicated with the auxiliary pipe inner channel (14), and the diameters of the auxiliary pipe inner channel (14) and the auxiliary pipe inner channel (14) are the same.

6. The seamless steel pipe for construction machinery according to claim 1, characterized in that: the main pipe thick wall (2) on the outer side of the main pipe body (1) and the auxiliary pipe thick wall (10) on the outer side of the auxiliary pipe body (9) are the same in diameter, and the main pipe body (1) and the auxiliary pipe body (9) are distributed in a mutually embedded manner.