CN214556292U

CN214556292U - Air pipe

Info

Publication number: CN214556292U
Application number: CN202120678494.4U
Authority: CN
Inventors: 周鹏飞
Original assignee: Anhui Sinosteel Nuotai Engineering Technology Co ltd
Current assignee: Anhui Sinosteel Nuotai Engineering Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-02
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a hollow pipe, which comprises a shell with a cavity and at least two guide pipes contained in the cavity of the shell, wherein both ends of the at least two guide pipes are communicated and coaxially arranged at intervals; the shell is formed by involutory fixation of an upper shell and a lower shell through a locking mechanism; the at least two guide pipes are of split structures and respectively comprise a split upper guide pipe fixedly mounted on the upper shell and a split lower guide pipe fixedly mounted on the lower shell, and the split upper guide pipe and the split lower guide pipe are fixedly combined to form an integral guide pipe. The utility model not only realizes the quick opening of the empty pipe to treat the scrap steel, which is beneficial to the daily maintenance; and the limitation of partial space is overcome, and the application scene of an empty pipe is expanded.

Description

Air pipe

Technical Field

The utility model relates to a hot rolling line rod water-cooling technical field, concretely relates to air traffic control pipe.

Background

After rolling out from the rolling mill, the hot rolled wire rod needs to be cooled by a water cooler to reach the required temperature, and a corresponding metallographic structure is obtained.

The water cooler sprays water to the bar to cool the bar, the bar can take a large amount of cooling water out when being output from the tail of the water cooler at a certain linear speed, and a large amount of residual cooling water can be attached to the surface of the bar. The water enters into the conduit or guide groove of the post-rolling process, which causes uneven cooling of the surface of the bar and affects the quality of the bar.

At present, an empty pipe is arranged at the tail part of the water cooler and is used for draining water brought out from the water cooler by the bar materials in time. However, the existing empty pipe generally adopts an integral structure, and on one hand, when the empty pipe is blocked with steel, the empty pipe is inconvenient to maintain; on the other hand, the existing integral hollow pipe cannot be installed or used under the conditions of partial special fields or special spaces. Therefore, a novel structure of the hollow pipe is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides an empty pipe to solve among the prior art integral empty pipe and be not convenient for maintain, use the few problem of scene.

In order to achieve the above object, the present invention provides a hollow pipe, comprising a housing having a cavity and at least two conduits contained in the cavity of the housing, wherein both ends of the at least two conduits are through and coaxially arranged at intervals; the key points are as follows:

the shell is formed by involutory fixation of an upper shell and a lower shell through a locking mechanism;

the at least two guide pipes are of split structures and respectively comprise a split upper guide pipe fixedly mounted on the upper shell and a split lower guide pipe fixedly mounted on the lower shell, and the split upper guide pipe and the split lower guide pipe are fixedly combined to form an integral guide pipe.

Preferably, the locking mechanism comprises: the upper positioning lug, the lower positioning lug and the connecting rod;

the upper shell is provided with two opposite outer side walls which are spaced along the axial direction, the upper positioning lug is fixedly arranged on the two outer side walls of the upper shell, and the upper positioning lug is provided with an opening which faces downwards in an inclined mode;

the lower shell is provided with two opposite outer side walls which are spaced along the axial direction, the lower positioning lug is fixedly arranged on the two outer side walls of the lower shell, and the lower positioning lug is provided with an opening which faces upwards in an inclined direction; the upper positioning lug and the lower positioning lug are arranged in a staggered manner along the length direction of the outer side wall of the shell;

the connecting rod passes through the openings of the upper positioning lug and the lower positioning lug to lock the upper shell and the lower shell.

Preferably, the two outer side walls of the upper shell are both provided with an upper handle, and the two outer side walls of the lower shell are both provided with a lower handle.

Preferably, the outer circumferential surface of the split upper guide pipe is provided with an upper mounting part extending along the radial direction of the split upper guide pipe, and the upper mounting part is fixedly connected with the upper shell through a bolt;

the outer peripheral surface of the split type lower guide pipe is provided with a lower installation part extending along the radial direction of the split type lower guide pipe, and the lower installation part is fixedly connected with the lower shell through bolts.

Preferably, a mating surface of one of the split upper duct and the split lower duct has a convex seal portion provided in an axial direction, and a mating surface of the other has a seal groove capable of mating with the convex seal portion.

Preferably, the outer peripheral surfaces of the split upper guide pipe and the split lower guide pipe are respectively provided with a plurality of drainage holes, and the drainage holes are communicated with a rolled piece channel of the guide pipes along the radial direction of the guide pipes.

Preferably, the product entry of the conduit is flared.

Preferably, the bottom surface of the lower shell is detachably and fixedly provided with a positioning block for positioning and installing the hollow tube, and the positioning block is installed on the bottom surface of the lower shell through being matched with a positioning block installation hole formed in the bottom surface of the lower shell.

Preferably, the positioning block comprises an axial positioning block and a lateral positioning block which are sequentially arranged on the shell.

Preferably, the top surface of the upper shell is also correspondingly provided with a positioning block mounting hole which can be matched with the positioning block.

The utility model discloses following beneficial effect has:

1. when the steel blocking happens, the empty pipe is quickly opened to process the scrap steel, so that the time and the cost are saved, and the daily maintenance of the empty pipe is facilitated.

2. The device overcomes the limitation of partial space, realizes the use in partial special fields or specific installation conditions, has reasonable structure, convenient installation and reliable use, and enlarges the application scene of the air-passing pipe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view illustrating an open state of an empty pipe according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a combined state of empty pipes according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2 taken along a longitudinal section through the tube axis;

FIG. 4 is a schematic structural view of the hollow pipe of FIG. 2 after the positioning block is assembled;

FIG. 5 is a schematic view of the hollow tube of FIG. 4 after it has been turned upside down;

reference numerals

1-a shell; 1 a-water leakage hole

101-an upper shell; 102-a lower housing;

101 a-upper handle; 102 a-lower handle;

2-a catheter; 2 a-drainage hole

201-upper catheter; 202-a downcomer;

201 a-an upper mounting portion; 202 a-lower mounting portion;

3-a locking mechanism;

301-upper fixing lugs; 302-lower fixing ear; 303-connecting rod

4-positioning block mounting holes;

5-positioning a block;

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more clearly understood, the following further detailed description of the embodiments of the present application with reference to the drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not an exhaustive list of all the embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the present embodiment, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 2 and 3, fig. 2 is a schematic structural view of an empty pipe in a combined state according to an embodiment of the present invention, and fig. 3 is a schematic sectional view of fig. 2 along a longitudinal section of the empty pipe.

A hollow pipe comprises a shell 1 with a cavity and two guide pipes 2 contained in the cavity of the shell 1, wherein both ends of the two guide pipes 2 are communicated and are coaxially arranged at intervals.

As shown in fig. 3, after being output from the tail part of the water cooler, the rolled piece sequentially passes through the two guide pipes 2 from left to right, and cooling water carried by the rolled piece and cooling water attached to the surface of the rolled piece are timely discharged at a gap between the adjacent guide pipes 2, so that a large amount of cooling water is prevented from entering a post-process guide pipe or a post-process guide groove. The cooling water discharged from the pipe 2 is discharged from a water leakage hole 4 provided in the bottom surface of the housing 1.

Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating an open state of an empty pipe according to an embodiment of the present invention. The utility model changes the existing integral type empty pipe into the split type empty pipe, when the steel blockage occurs, the empty pipe is opened quickly to process the scrap steel, and the time and the cost are saved; meanwhile, the limit of part of installation space is overcome, the device can be used in part of special fields or under specific installation conditions, and the application scene of the air-to-water pipe is enlarged.

Specifically, the housing 1 is formed by the upper housing 101 and the lower housing 102 being fixed together by a locking mechanism 3. The two guide pipes 2 are of a split structure, each of which comprises a split upper guide pipe 201 fixedly mounted on the upper shell 101 and a split lower guide pipe 202 fixedly mounted on the lower shell 102, and the split upper guide pipe 201 and the split lower guide pipe 202 are fixedly combined to form an integral guide pipe. A communicating product passageway is formed between the inner walls of the split riser 201 and the split downcomer 202.

Referring to fig. 1 and fig. 2, the locking mechanism 3 includes: an upper positioning ear 301, a lower positioning ear 302 and a connecting rod 303. The upper housing 101 has two opposite outer side walls spaced apart in the axial direction, the upper positioning lug 301 is fixedly disposed on the two outer side walls of the upper housing, and the upper positioning lug 301 has an opening facing downward in an oblique direction. The lower housing 102 has two opposite outer side walls spaced apart in the axial direction, and the lower positioning lug 302 is fixedly disposed on the two outer side walls of the lower housing 102, and the lower positioning lug 302 has an opening facing obliquely upward. The upper positioning lug 301 and the lower positioning lug 302 are arranged in a staggered manner along the length direction of the outer side wall of the shell, and when the upper shell 101 and the lower shell 102 are combined, the connecting rod 303 passes through the openings of the upper positioning lug 301 and the lower positioning lug 302 so as to lock the upper shell 101 and the lower shell 102. More preferably, in order to facilitate opening the housing 1, the upper housing 101 is provided with an upper handle 101a on two outer sidewalls of the upper housing 101, and the lower housing 102 is provided with a lower handle 102a on two outer sidewalls of the lower housing 102.

It is understood that the upper shell 101 and the lower shell 102 are locked by the locking mechanism 3, and when the empty pipe is blocked, the upper shell 101 can be opened quickly to dispose the scrap steel, which is beneficial to daily maintenance of the empty pipe. It is easily understood that the left and right sides of the upper casing 101 and the lower casing 102 are locked by the same locking mechanism 3, and the upper casing 101 can be opened from the right side (as shown in fig. 1) or from the left side when steel blockage occurs. Therefore, the space limitation can be overcome, and the maintenance and the use in partial special fields or under specific space conditions can be realized.

Referring to fig. 2 to 5, fig. 4 is a schematic structural view of the empty pipe shown in fig. 2 after the positioning block is assembled, and fig. 5 is a schematic structural view of the empty pipe shown in fig. 4 after the empty pipe is turned upside down. The bottom surface of the lower shell 102 is detachably and fixedly provided with a positioning block 5 for positioning and installing the hollow pipe, and the positioning block 5 is installed on the bottom surface of the lower shell through being matched with a positioning block installation hole 4 arranged on the bottom surface of the lower shell.

It is understood that the whole empty pipe can be positioned and installed on the steel rolling water cooling device through the positioning block 5. The positioning block 5 can be set to have the same structure as the positioning block on the existing integral water sealing device, so that the split type hollow pipe provided by the application can be conveniently installed and replace the integral hollow pipe in the prior art, and the existing equipment is conveniently modified.

Preferably, the positioning block 5 comprises an axial positioning block 51 (see fig. 5) arranged at the first end of the housing and a lateral positioning block 52 arranged at the second end of the housing. The axial positioning blocks 51 are used for bearing axial force, and the lateral positioning blocks 52 are used for positioning the left side and the right side of the empty pipe so as to prevent the empty pipe from shaking left and right.

More preferably, the top surface of the upper shell is also provided with a corresponding positioning block mounting hole 4 which can be matched with the positioning block 5. It is understood that, after the conduit 202 is worn and torn seriously under the dissection formula of pipe 2, can be with the utility model discloses an empty pipe overturn from top to bottom, that is to say make upper housing 101 be located the below, lower housing 102 is located the top, will descend locating piece 5 on the housing to dismantle and install on the upper housing simultaneously, the empty pipe still can normal use to improve the life that the empty pipe was managed.

Further technical scheme, the utility model discloses in order to reduce the cooling water leakage volume of pipe subdivision face department, the fitting surface of one in subdivision formula upper pipe 201 and the subdivision formula downcomer 202 has along the bellied sealing 2b of axial setting, and another fitting surface has can with bellied sealing 2b complex seal groove 2 c. When the empty pipe is in a merged state, the boss seal portion 2b is just locked in the seal groove 2 c. Through the structure, the sealing of the split surface of the guide pipe 2 is better realized, so that the problem that the cooling water leaks from the split surface to cause uneven cooling of a rolled piece is effectively solved.

In order to facilitate the processing and installation of the hollow pipe, the outer peripheral surface of the split-type upper guide pipe 201 is provided with an upper installation part 201a extending along the radial direction of the split-type upper guide pipe, and the upper installation part 201a is fixedly connected with the upper shell 101 through bolts; the outer peripheral surface of the divided down pipe 102 is provided with a lower mounting portion 202a extending in the radial direction thereof, and the lower mounting portion 202a and the lower housing 102 are fixedly connected by bolts. Through the structure, the conduit 2 adopting the split structure and the shell 1 are easy to disassemble and assemble.

Further technical scheme, the utility model discloses in order to improve pipe 2's drainage ability, the outer peripheral face of pipe 201 on the subdivision formula and pipe 202 under the subdivision formula all is provided with a plurality of wash port 2a, and along pipe 2's radial, wash port 2a link up with pipe 2's rolled piece passageway. Through the structure setting, the rolled piece passes the empty pipe time, the cooling water that the rolled piece carried and the partial of the adnexed cooling water of rolled piece surface can be followed wash port 2a discharges.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A hollow pipe comprises a shell with a cavity and at least two guide pipes contained in the cavity of the shell, wherein both ends of each guide pipe are communicated and are coaxially arranged at intervals; the method is characterized in that:

2. The aerial pipe of claim 1, wherein the locking mechanism comprises: the upper positioning lug, the lower positioning lug and the connecting rod;

3. The aerial pipe of claim 2, wherein both outer side walls of the upper housing are provided with upper handles, and both outer side walls of the lower housing are provided with lower handles.

4. The aerial delivery pipe according to claim 1, wherein the outer circumferential surface of the divided upper duct is provided with an upper mounting portion extending in a radial direction thereof, and the upper mounting portion is fixedly connected to the upper housing by a bolt;

5. The aerial pipe of claim 1 wherein the mating surface of one of the split upper conduit and the split lower conduit has an axially disposed raised seal and the mating surface of the other has a seal groove engageable with the raised seal.

6. An empty tube according to claim 1, wherein the outer peripheral surfaces of the divided upper and lower ducts are provided with a plurality of drainage holes, and the drainage holes are communicated with a rolled piece passage of the duct in a radial direction of the duct.

7. An empty tube according to claim 1, characterized in that the product entry opening of the conduit is provided in the shape of a bell mouth.

8. The empty pipe according to claim 1, wherein a positioning block for positioning and installing the empty pipe is detachably and fixedly arranged on the bottom surface of the lower shell, and the positioning block is installed on the bottom surface of the lower shell by being matched with a positioning block installation hole arranged on the bottom surface of the lower shell.

9. The aerial pipe of claim 8, wherein the locating blocks comprise an axial locating block and a lateral locating block disposed in series on the housing.

10. The aerial delivery pipe of claim 9, wherein the top surface of the upper housing is also correspondingly provided with a positioning block mounting hole capable of being matched with the positioning block.