CN210621754U

CN210621754U - Hot-dip aluminizing integrally-installed corrugated steel comprehensive pipe gallery

Info

Publication number: CN210621754U
Application number: CN201921309391.XU
Authority: CN
Inventors: 李向国
Original assignee: Hebei Century Metal Structure Co ltd
Current assignee: Hebei Century Metal Structure Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-26
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a hot dipping aluminize whole dress corrugated steel utility tunnel, including corrugated steel pipe main part, the internal surface laminating of corrugated steel pipe main part has the inner wall barrier layer, the outer wall laminating of corrugated steel pipe main part has the outer wall layer of aluminizing, the internal surface laminating of inner wall barrier layer has the inner wall layer of aluminizing, the both ends of corrugated steel pipe main part are all equipped with end face flange perpendicularly, flange connection screw hole has been seted up on end face flange's surface, the vertical interior cavity current truss that is equipped with of inner chamber of corrugated steel pipe main part, the welding has the goods truss between interior cavity current truss and the corrugated steel pipe main part, end face flange's surface laminating has flange seal gasket. The utility model discloses in, use new design, adopt flange joint, increase both sides hot dipping aluminized protective layer, realize the anticorrosive treatment to corrugated steel pipe, increase the barrier layer simultaneously, inside the infiltration of water that can avoid external environment entered corrugated pipe, realized the function that anticorrosive rust-resistant prevention of seepage passed through.

Description

Hot-dip aluminizing integrally-installed corrugated steel comprehensive pipe gallery

Technical Field

The utility model relates to a pipeline building field especially relates to a hot dipping aluminize and adorn corrugated steel utility tunnel entirely.

Background

The utility tunnel is also called common ditch, common pipeline, utility tunnel etc. before, is used for laying the public tunnel of municipal pipeline such as electric power, communication, radio and television, feedwater, drainage, heating power, gas in the city in concentrated, generally refers to the underground works, also has a small amount of aboveground buildings, and traditional utility tunnel generally adopts cement pouring or prefabrication, and corrugated steel utility tunnel adopts corrugated steel plate to make and forms, and its surface anticorrosion mode is mostly hot-galvanize anticorrosive at present.

Most of the existing corrugated steel pipe surface treatment modes adopt single surface galvanizing coating treatment, when the corrugated steel pipe is used in south China, the corrosion resistance effect cannot be completely met for the more severe corrosion capacity of marine climate, and the service life of the actual design cannot be reached.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hot-dip aluminizing integral corrugated steel comprehensive pipe gallery.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hot dip aluminizing is whole to adorn corrugated steel utility tunnel, includes corrugated steel pipe main part, the internal surface laminating of corrugated steel pipe main part has the inner wall barrier layer, the outer wall laminating of corrugated steel pipe main part has the outer wall to plate the layer of aluminium, the internal surface laminating of inner wall barrier layer has the inner wall to plate the layer of aluminium, the both ends of corrugated steel pipe main part all are equipped with end face flange perpendicularly, flange connection screw hole has been seted up on end face flange's surface, the inner chamber of corrugated steel pipe main part is vertical to be equipped with the current truss of inner chamber, the welding has the goods truss between the current truss of inner chamber and the corrugated steel pipe main part, end face flange's surface laminating has flange seal gasket, one side gomphosis of end face flange has first bolt, first nut has.

As a further description of the above technical solution:

the cargo supporting truss divides the inner cavity of the corrugated steel pipe main body into five layers on a vertical plane, and the passing width of the inner cavity passing truss is one meter.

As a further description of the above technical solution:

the inner cavity passing truss and the cargo supporting truss jointly form a simple space partition plate, and the inner cavity passing truss and the cargo supporting truss are arranged in a group at intervals of one meter.

As a further description of the above technical solution:

and a spring washer is placed on the contact surface of the first bolt and the end face connecting flange, and the flange sealing gasket is an annular spring gasket.

As a further description of the above technical solution:

the outer sides of the outer wall aluminum plating layer and the inner wall aluminum plating layer are passivated before leaving a factory and then are subjected to surface galvanizing treatment.

As a further description of the above technical solution:

the quantity of flange joint screw hole is five groups, and five groups are around the centre of a circle equidistance array distribution of end face flange, and the tooth number of the screw thread of flange joint screw hole is unanimous with the tooth number of first bolt.

As a further description of the above technical solution:

the impermeable layer on the inner wall is a flexible layer, and the length of the impermeable layer is longer than that of the single-section corrugated steel pipe.

The utility model discloses in, use new design, with the circular tube form corrugated steel utility tunnel of steel sheet processing banding horizontal ripple, adopt flange joint between the tube coupling, adopt the hot dip aluminizing's technological method at corrugated steel utility tunnel internal and external surface, increase both sides hot dip aluminizing protective layer, realize the anticorrosive treatment to corrugated steel pipe, increase the barrier simultaneously, inside the water infiltration that can avoid external environment entered corrugated pipe, realized the function that anticorrosive rust-resistant prevention and seepage was passed through, the utility model discloses novel and practical is worth promoting.

Drawings

FIG. 1 is a main structural view of a hot-dip aluminum-plated integral corrugated steel comprehensive pipe gallery provided by the present invention;

FIG. 2 is a side view of a hot-dip aluminum-plated integral corrugated steel utility tunnel according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1-A;

fig. 4 is a partial enlarged view of fig. 1-B.

Illustration of the drawings:

1. a corrugated steel pipe body; 2. the end face is connected with a flange; 3. an inner wall impermeable layer; 4. the flange is connected with the threaded hole; 5. an inner cavity passing truss; 6. a cargo support truss; 7. plating an aluminum layer on the outer wall; 8. a first nut; 9. plating an aluminum layer on the inner wall; 10. a first bolt; 11. and (4) a flange sealing gasket.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a hot-dip aluminizing integrally-installed corrugated steel comprehensive pipe gallery comprises a corrugated steel pipe body 1, an inner wall impermeable layer 3 is attached to the inner surface of the corrugated steel pipe body 1, an outer wall aluminizing layer 7 is attached to the outer wall of the corrugated steel pipe body 1, an inner wall aluminizing layer 9 is attached to the inner surface of the inner wall impermeable layer 3, end face connecting flanges 2 are perpendicularly arranged at two ends of the corrugated steel pipe body 1, flange connecting threaded holes 4 are formed in the surfaces of the end face connecting flanges 2, an inner cavity passing truss 5 is vertically arranged in an inner cavity of the corrugated steel pipe body 1, a cargo supporting truss 6 is welded between the inner cavity passing truss 5 and the corrugated steel pipe body 1, a flange sealing gasket 11 is attached to the surfaces of the end face connecting flanges 2, first bolts 10 are embedded in one sides of the end face connecting flanges 2.

The cargo supporting truss 6 divides an inner cavity of the corrugated steel pipe main body 1 into five layers on a vertical plane, the passing width of the inner cavity passing truss 5 is one meter, when the passing performance is ensured, more cargoes can be placed as much as possible, the inner cavity passing truss 5 and the cargo supporting truss 6 jointly form a simple space partition plate, the inner cavity passing truss 5 and the cargo supporting truss 6 are in one group at intervals of one meter, the parts to be used can be better placed in the corrugated steel pipe, as basically no short parts exist, the space of one meter can not cause the dropping of the placed cargoes, the situation that the cargoes can not be placed can not occur, spring washers are placed on the contact surfaces of the first bolt 10 and the end face connecting flange 2, the flange sealing gasket 11 adopts an annular spring gasket, the stability after installation is ensured, the fastening performance is improved, the outer side aluminum-plated layer 7 and the inner side aluminum-plated layer 9 are passivated before leaving a factory, later all galvanize on the surface and handle, the passivation aluminized surface can realize anticorrosive effect, it is obvious to prevent sour effect, galvanize can be more pleasing to the eye in the stage of dispatching from the factory, the quantity of flange joint screw hole 4 is five groups, five groups are around the equidistant array distribution in centre of a circle of end face flange 2, and the screw thread number of flange joint screw hole 4 is unanimous with the tooth number of first bolt 10, guarantee during first bolt 10 can twist flange joint screw hole 4, inner wall barrier 3 adopts flexible layer, length is good at the length of single-section ripple steel pipe, the antiseep of realization inner wall that can be abundant.

The working principle is as follows: before leaving the factory, the galvanizing coat is sprayed on the surface, when the equipment is assembled, the inner cavity of the corrugated steel pipe main body 1 is welded with the inner cavity passing truss 5, the inner cavity passing truss 5 needs to be ensured to be positioned at the central part of the inner cavity of the corrugated steel pipe main body 1, then the four layers of cargo supporting trusses 6 are respectively welded between the inner cavity of the corrugated steel pipe main body 1 and the inner cavity passing truss 5, then the corrugated steel pipes of different single sections are bolted together through the flange sealing gasket 11, the sealing performance is ensured, meanwhile, the extension of the length of the corrugated pipe is realized, and the practical use efficiency of the corrugated pipe is realized.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The hot-dip aluminizing integrally-installed corrugated steel comprehensive pipe gallery comprises a corrugated steel pipe main body (1) and is characterized in that an inner wall impermeable layer (3) is attached to the inner surface of the corrugated steel pipe main body (1), an outer wall aluminizing layer (7) is attached to the outer wall of the corrugated steel pipe main body (1), an inner wall aluminizing layer (9) is attached to the inner surface of the inner wall impermeable layer (3), end face connecting flanges (2) are vertically arranged at two ends of the corrugated steel pipe main body (1), flange connecting threaded holes (4) are formed in the surfaces of the end face connecting flanges (2), inner cavity passing trusses (5) are vertically arranged in an inner cavity of the corrugated steel pipe main body (1), cargo supporting trusses (6) are welded between the inner cavity passing trusses (5) and the corrugated steel pipe main body (1), and flange sealing gaskets (11) are attached to the surfaces of the, one side of the end face connecting flange (2) is embedded with a first bolt (10), and the tail end of the first bolt (10) is sleeved with a first nut (8).

2. A hot dip aluminized ready-packaged corrugated steel utility tunnel according to claim 1, characterized in that the cargo support truss (6) divides the inner cavity of the corrugated steel pipe body (1) into five layers in a vertical plane, and the passage width of the inner cavity passage truss (5) is one meter.

3. A hot dip aluminized finished corrugated steel utility tunnel according to claim 1, characterized in that the internal cavity access truss (5) and the cargo support truss (6) together constitute a simple space partition, and the internal cavity access truss (5) and the cargo support truss (6) are grouped every other meter.

4. A hot dip aluminized finished corrugated steel utility tunnel according to claim 1, characterized in that a spring washer is placed on the contact surface of the first bolt (10) and the end face connecting flange (2), and the flange sealing gasket (11) is an annular spring washer.

5. A hot dip aluminized finished corrugated steel utility tunnel according to claim 1, characterized in that the outer side of the outer wall aluminum plating layer (7) and the inner wall aluminum plating layer (9) are passivated before shipment and then galvanised on the surface.

6. A hot dip aluminized full-finished corrugated steel utility tunnel according to claim 1, characterized in that the number of the flange connecting threaded holes (4) is five, the five groups are equidistantly arrayed around the center of the end face connecting flange (2), and the thread number of the flange connecting threaded holes (4) is identical to the thread number of the first bolts (10).

7. A hot dip aluminized finished corrugated steel utility tunnel according to claim 1, characterized in that the inner wall impermeable layer (3) is a flexible layer, and the length is longer than that of a single section of corrugated steel pipe.