CN217141743U

CN217141743U - Improved small-caliber hot-rolled steel pipe

Info

Publication number: CN217141743U
Application number: CN202220781532.3U
Authority: CN
Inventors: 裴绍明; 王林兴; 王文生
Original assignee: Liaocheng Zhongyue Pipe Industry Co ltd
Current assignee: Liaocheng Zhongyue Pipe Industry Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-09
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses an improved small-caliber hot-rolled steel pipe, which comprises a hot-rolled steel pipe body, wherein the surface of the hot-rolled steel pipe body is sleeved with a plurality of cooling rings, the inside of the plurality of cooling rings is fixedly provided with an annular condenser pipe, the inside of the hot-rolled steel pipe body is fixedly provided with a supporting mechanism, the supporting mechanism comprises two limiting plates, a central rod and a plurality of supporting pieces, the central rod is fixedly arranged between the two limiting plates, the middle part of the central rod is fixedly provided with a plurality of supporting pieces, and the plurality of supporting pieces comprise two positioning seats, two connecting blocks and four angle rods, the supporting capability of the hot-rolled steel pipe is improved.

Description

Improved small-caliber hot-rolled steel pipe

Technical Field

The utility model relates to a hot rolling steel pipe technical field specifically is a modified small-bore hot rolling steel pipe.

Background

The hot rolled steel pipe is a steel pipe rolled at a temperature above a recrystallization temperature, and is often used in pressure fluid transmission industries such as petroleum and boilers and construction industries using steel structures, in which a small-caliber hot rolled steel pipe can be welded under high temperature and pressure, and thus is widely used, however, the existing small-caliber hot rolled steel pipe in the market has the following defects: the hot-rolled steel pipe is in a high-temperature state during manufacturing, and workers can perform the next process after waiting for a long time for cooling the hot-rolled steel pipe, so that the manufacturing cost of the hot-rolled steel pipe is increased, and the production efficiency of the hot-rolled steel pipe is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modified small-bore hot rolled steel pipe to the hot rolled steel pipe who proposes in solving above-mentioned background art is in the high temperature state when the preparation, and the staff need wait for just can carry out technology on next step after the longer time bag hot rolled steel pipe cooling, increases the cost of manufacture of hot rolled steel pipe, reduces the problem of the production efficiency of hot rolled steel pipe.

In order to achieve the above object, the utility model provides a following technical scheme: an improved small-caliber hot-rolled steel pipe comprises a hot-rolled steel pipe body, wherein a plurality of cooling rings are sleeved on the surface of the hot-rolled steel pipe body, annular condensation pipes are fixedly arranged inside the cooling rings, a supporting mechanism is fixedly arranged inside the hot-rolled steel pipe body and comprises two limiting plates, a central rod and a plurality of supporting pieces, the central rod is fixedly arranged between the two limiting plates, the supporting pieces are fixedly arranged in the middle of the central rod and comprise two positioning seats, two connecting blocks and four angle rods, the middle of one side, opposite to the two positioning seats, of each positioning seat is rotatably connected with two angle rods, one ends, opposite to the four angle rods, of each angle rod are rotatably connected with two sides of the two connecting blocks respectively, cooling water is injected into the cooling rings by workers, and the hot-rolled steel pipe body is cooled from the outside, the cooling efficiency of the hot-rolled steel pipe body is accelerated, the supporting mechanism supports the hot-rolled steel pipe body from the inside, the inside of the hot-rolled steel pipe body is divided into a plurality of triangles, and the supporting capacity of the hot-rolled steel pipe body is improved.

Preferably, the middle parts of the connecting blocks are fixedly connected with the central rod, one ends of the positioning seats far away from the angle rods are fixedly connected with the inner side of the hot-rolled steel pipe body, and the supporting pieces are installed on two sides of the inner wall of the hot-rolled steel pipe body through the positioning seats.

Preferably, a plurality of ventilation hole has all been seted up on the surface of cooling ring, and the contact area in cooling ring and the external environment is increased in seting up of ventilation hole, improves the cooling effect of cooling ring, and the contact position of cooling ring and hot rolling steel pipe body adopts glass fiber material to make, avoids hot rolling steel pipe body itself high temperature, causes the influence to the initial cooling temperature of cooling ring.

Preferably, a water inlet and a water outlet are formed in the surface of each of the annular condensation pipes, when cooling is completed, a worker opens a sealing plug on the water outlet, closes the sealing plug on the water inlet, and discharges cooling water in the annular condensation pipes to the outside through the water outlet.

Preferably, a plurality of the sealing plug that extends to the external world is installed to the inside of water inlet and the equal block in inside of a plurality of outlet, and when the staff pours into the cooling water into to the annular condenser pipe into, the staff opens the sealing plug in the water inlet, closes the intraoral sealing plug of drainage and makes the cooling water flow in the annular condenser pipe.

Preferably, the outer sides of the two limiting plates are fixedly connected with the hot-rolled steel pipe body, and the supporting mechanism is installed in the hot-rolled steel pipe body through the limiting plates.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up cooling ring and annular condenser pipe, cool off from the outside of hot rolling steel pipe body, improve the production efficiency of hot rolling steel pipe, reduce the cost of manufacture of hot rolling steel pipe, through setting up supporting mechanism, be a plurality of triangles with the inside partition of hot rolling steel pipe, improve the holding power of hot rolling steel pipe.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the hot rolled steel pipe body of the present invention;

fig. 3 is a side view of the support mechanism of the present invention;

fig. 4 is a cross-sectional view of the cooling ring of the present invention.

In the figure: 1. hot rolling the steel pipe body; 2. a cooling ring; 3. a vent hole; 4. a sealing plug; 5. a support mechanism; 51. a limiting plate; 52. a center pole; 53. a support member; 531. positioning seats; 532. connecting blocks; 533. an angle lever; 6. an annular condenser tube; 7. a water inlet; 8. and a water outlet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides an improved small-bore hot rolled steel pipe, which comprises a hot rolled steel pipe body 1, wherein a plurality of cooling rings 2 are sleeved on a surface of the hot rolled steel pipe body 1, annular condensing pipes 6 are fixedly installed inside the plurality of cooling rings 2, a supporting mechanism 5 is fixedly installed inside the hot rolled steel pipe body 1, the supporting mechanism 5 comprises two limiting plates 51, a central rod 52 and a plurality of supporting members 53, the central rod 52 is fixedly installed between the two limiting plates 51, a plurality of supporting members 53 are fixedly installed in a middle portion of the central rod 52, the plurality of supporting members 53 each comprise two positioning seats 531, two connecting blocks 532 and four angle bars 533, two angle bars 533 are rotatably connected to a middle portion of one side of the two positioning seats 531, ends of the four angle bars 533 opposite to each other are rotatably connected to two sides of the two connecting blocks 532 respectively, and a worker injects cooling water into the cooling rings 2, the hot-rolled steel pipe body 1 is cooled by heat dissipation from the outside, the cooling efficiency of the hot-rolled steel pipe body 1 is increased, the support mechanism 5 supports the hot-rolled steel pipe body 1 from the inside, the inside of the hot-rolled steel pipe body 1 is divided into a plurality of triangles, and the support capacity of the hot-rolled steel pipe body 1 is improved.

The middle parts of the connecting blocks 532 are all fixedly connected with the central rod 52, one ends of the positioning seats 531 far away from the angle rods 533 are all fixedly connected with the inner side of the hot-rolled steel pipe body 1, and the supporting pieces 53 are installed on two sides of the inner wall of the hot-rolled steel pipe body 1 through the positioning seats 531.

A plurality of ventilation hole 3 has all been seted up on a plurality of cooling ring 2's surface, and the contact area in opening of ventilation hole 3 increased cooling ring 2 and the external environment improves cooling ring 2's cooling effect, and cooling ring 2 adopts the glass fiber material to make with hot rolling steel pipe body 1's contact position, avoids hot rolling steel pipe body 1 temperature itself too high, causes the influence to cooling ring 2's initial cooling temperature.

A water inlet 7 and a water outlet 8 are formed in the surface of each annular condensation pipe 6, after cooling is completed, a worker opens the sealing plug 4 on the water outlet 8, closes the sealing plug 4 on the water inlet 7, and discharges cooling water in the annular condensation pipes 6 to the outside through the water outlet 8.

The sealing plug 4 that extends to the external world is installed to the inside of a plurality of water inlet 7 and the equal block in inside of a plurality of outlet 8, when the staff injects the cooling water into annular condenser pipe 6, the staff opens sealing plug 4 in the water inlet 7, closes sealing plug 4 in the outlet 8 and makes the cooling water flow in annular condenser pipe 6.

The outer sides of the two limit plates 51 are fixedly connected with the hot-rolled steel pipe body 1, and the support mechanism 5 is installed in the hot-rolled steel pipe body 1 through the limit plates 51.

When the embodiment of the application is used: when the hot-rolled steel pipe body 1 needs to be cooled after being manufactured, a worker opens the sealing plug 4 in the water inlet 7, closes the sealing plug 4 in the water outlet 8 to enable cooling water to flow into the annular condensation pipe 6, the cooling water is directly contacted with the outer surface of the hot-rolled steel pipe body 1, and dissipates heat and cools the hot-rolled steel pipe body 1 from the outer side.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An improved small-caliber hot-rolled steel pipe, comprising a hot-rolled steel pipe body (1), characterized in that: the surface of the hot-rolled steel pipe body (1) is sleeved with a plurality of cooling rings (2), annular condensing pipes (6) are fixedly arranged inside the plurality of cooling rings (2), a supporting mechanism (5) is fixedly arranged in the hot-rolled steel pipe body (1), the supporting mechanism (5) comprises two limiting plates (51), a central rod (52) and a plurality of supporting pieces (53), the central rod (52) is fixedly arranged between the two limiting plates (51), the middle part fixed mounting of well core rod (52) has a plurality of support piece (53), a plurality of support piece (53) all include two positioning seats (531), two connecting blocks (532) and four angle bars (533), two the middle part of the relative one side of positioning seat (531) all rotates and is connected with two angle bars (533), four the relative one end of angle bar (533) rotates with the both sides of two connecting blocks (532) respectively and is connected.

2. An improved hot rolled small caliber steel tube as claimed in claim 1 wherein: the middle parts of the connecting blocks (532) are fixedly connected with the central rod (52), and one ends of the positioning seats (531) far away from the angle rods (533) are fixedly connected with the inner side of the hot-rolled steel pipe body (1).

3. An improved hot rolled small caliber steel tube as claimed in claim 1 wherein: a plurality of ventilation holes (3) are formed in the surfaces of the cooling rings (2).

4. An improved hot rolled small caliber steel tube as claimed in claim 1 wherein: the surfaces of the annular condensation pipes (6) are provided with water inlets (7) and water outlets (8).

5. An improved hot rolled small caliber steel tube as claimed in claim 4 wherein: the inside of a plurality of water inlet (7) and the inside of a plurality of outlet (8) are all blocked and installed with sealing plugs (4) extending to the outside.

6. An improved hot rolled small caliber steel tube as claimed in claim 1 wherein: the outer sides of the two limiting plates (51) are fixedly connected with the hot-rolled steel pipe body (1).