CN214731136U

CN214731136U - Spiral steel pipe

Info

Publication number: CN214731136U
Application number: CN202120757385.1U
Authority: CN
Inventors: 杨彦伟; 杨彦奇
Original assignee: Henan Yiyang Pipe Technology Co ltd
Current assignee: Henan Yiyang Pipe Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-16
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a spiral steel pipe, which comprises a pipe end supporting component and a steel pipe main body, wherein the pipe end supporting component is arranged in the pipe walls at the two ends of the steel pipe main body, the pipe end supporting assembly is arranged in the end pipe orifice of the spiral steel pipe and is formed by splicing four units which are distributed in a cross shape, the pipe end supporting assembly supports the pipe wall of the port of the steel pipe main body and prevents the port from deforming due to extrusion collision in the transportation process, thereby ensuring the butt joint installation between the spiral steel pipes, and by arranging the fixed rods and the inclined stay bars which can rotate on each unit piece, when in use, the fixed rod and the diagonal brace can be rotated and opened, and a supporting system of the pipe wall of the steel pipe main body is formed after the fixed rod and the diagonal brace are fixed, when the pipe end support assembly is not needed to be used, the fixed rod and the inclined support rod can be folded, so that the pipe end support assembly can be rapidly disassembled.

Description

Spiral steel pipe

Technical Field

The utility model belongs to the technical field of the tubular product is relevant, concretely relates to spiral steel pipe.

Background

The spiral seam steel pipe is formed by welding a strip steel coil serving as a raw material through a normal-temperature extrusion molding process and an automatic double-wire double-sided submerged arc welding process. The advanced double-sided submerged arc welding process is adopted, welding can be realized at the optimal position, the defects of misalignment, welding deviation, incomplete penetration and the like are not easy to occur, and the welding quality is easy to control.

The prior spiral steel pipe technology has the following problems: for the convenience of pipe butt joint, the flange plate is usually arranged at the end part of the spiral steel pipe, and due to the material reason, the two end parts are greatly pressed under the action of self gravity, so that the condition of cracking at the position of deformation or welding seams is very easy to occur, the butt joint of the spiral steel pipe is influenced, and the trouble of later-stage processing is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral steel pipe to the spiral steel pipe tip that proposes in solving above-mentioned background art easily receives the problem of pressure deformation or fracture.

In order to achieve the above object, the utility model provides a following technical scheme: a spiral steel pipe comprises a pipe end support assembly and a steel pipe body, wherein the pipe end support assembly is installed in pipe walls at two ends of the steel pipe body;

the pipe end supporting assembly comprises a first unit element, a second unit element, a third unit element and a fourth unit element, wherein the first unit element, the second unit element, the third unit element and the fourth unit element are distributed in a cross shape and fixedly connected with a bolt through anchor bolts, and the pipe end supporting assembly is used for supporting the pipe wall of the steel pipe main body.

Preferably, the first unit element, the second unit element, the third unit element and the fourth unit element have the same structure and each include a fixing ring, a fixing rod and an inclined strut, a pair of first rotating blocks is fixedly connected to an inner annular wall of the fixing ring, one end of the fixing rod is hinged to the first rotating blocks, a second rotating block is fixedly connected to an outer wall of one side of the fixing rod, and one end of the inclined strut is hinged to the second rotating blocks.

Preferably, the fixing ring is in a quarter-ring shape, and the radian of the fixing ring is matched with the inner ring wall of the steel pipe main body.

Preferably, the other end of the diagonal brace is provided with a first flat fixing foot which is tilted, and the first fixing foot is provided with a first screw hole through which a bolt passes.

Preferably, the other end of the fixing rod is provided with a second fixing leg which is tilted and is flat, and the second fixing leg is provided with a second screw hole for the anchor bolt to pass through.

Preferably, the two ends of the steel pipe main body are provided with flanges, and the flanges are provided with a plurality of butt joint holes with the same interval.

Compared with the prior art of spiral steel pipe, the utility model provides a spiral steel pipe possesses following beneficial effect:

1. the utility model discloses a set up the pipe end support assembly in the tip mouth of pipe of spiral steel pipe, the pipe end support assembly is spliced by four unit pieces that are cross-shaped distribution and is formed, supports steel pipe main part port pipe wall through the pipe end support assembly, prevents to receive extrusion collision and make the port warp in the transportation to guarantee the butt joint installation between the spiral steel pipe;

2. the utility model has the advantages that the fixing rods and the inclined stay rods which can rotate are arranged on the unit pieces, when the pipe end support assembly is needed to be used, the fixing rods and the inclined stay rods can be rotated and opened, a support system of the pipe wall of the steel pipe main body is formed after the fixing, and when the pipe end support assembly is not needed to be used, the fixing rods and the inclined stay rods can be folded, so that the pipe end support assembly can be quickly disassembled;

2. the utility model discloses a dead lever on two unit spares that the diagonal brace will be connected constitutes the triangular supports system to improve the overall stability of structure, the butt joint between each unit spare of being convenient for simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a spiral steel pipe provided by the present invention;

FIG. 2 is a schematic side sectional view of the spiral steel pipe according to the present invention;

FIG. 3 is a schematic diagram of a unit component structure according to the present invention;

in the figure: 1. a tube end support assembly; 2. a steel pipe body; 3. a flange plate; 4. a butt joint hole; 5. a first unit piece; 6. a second unit piece; 7. an anchor bolt; 8. a third unit piece; 9. a fourth unit piece; 10. a bolt; 11. a fixing ring; 12. a first rotating block; 13. fixing the rod; 14. a second turning block; 15. a diagonal brace; 16. a first fixing pin; 17. and a second fixing leg.

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. 1-3, the present invention provides a technical solution: a spiral steel pipe comprises a pipe end supporting assembly 1 and a steel pipe main body 2, wherein the pipe end supporting assembly 1 is installed in pipe walls at two ends of the steel pipe main body 2, pipe walls at the port of the steel pipe main body 2 are supported through the pipe end supporting assemblies 1 at the two ends, the port is prevented from being deformed due to extrusion collision in the transportation process, and therefore butt joint installation between spiral steel pipes is guaranteed;

the pipe end supporting assembly 1 comprises a first unit piece 5, a second unit piece 6, a third unit piece 8 and a fourth unit piece 9, wherein the first unit piece 5, the second unit piece 6, the third unit piece 8 and the fourth unit piece 9 are distributed in a cross shape and fixedly connected with a bolt 10 through an anchor bolt 7, and the pipe end supporting assembly 1 is formed in an integral structure after the unit pieces are spliced and fixed and is used for supporting the pipe wall of the steel pipe main body 2.

For the convenience of assembly, the first unit element 5, the second unit element 6, the third unit element 8 and the fourth unit element 9 have the same structure and each include a fixed ring 11, a fixed rod 13 and an inclined strut 15, a pair of first rotating blocks 12 is fixedly connected to an inner annular wall of the fixed ring 11, one end of the fixed rod 13 is hinged to the first rotating blocks 12, a second rotating block 14 is fixedly connected to an outer wall of one side of the fixed rod 13, and one end of the inclined strut 15 is hinged to the second rotating block 14.

In order to effectively protect the pipe wall of the steel pipe main body 2, the fixing rings 11 are in a quarter-ring shape, the radian of the fixing rings is matched with that of the inner ring wall of the steel pipe main body 2, and the fixing rings 11 on the unit pieces can be fixedly spliced to form a ring-shaped structure which is attached to the pipe wall on the inner side of the steel pipe main body 2 after being unfolded, so that the pipe wall of the steel pipe main body 2 is fixedly supported.

In order to improve the overall stability, a first tilted and flat fixing pin 16 is arranged at the other end of the diagonal strut 15, a first screw hole for a bolt 10 to pass through is formed in the first fixing pin 16, a corresponding first screw hole is reserved in the fixing rod 13 of the adjacent unit element, the diagonal strut 15 can be correspondingly attached to the fixing rod 13 of the adjacent unit element after being unfolded, and the bolt 10 can pass through the first fixing pin 16 and the first screw hole in the fixing rod 13, so that the two connecting fixing rods 13 of the diagonal strut 15 form a triangular support system, the overall stability of the structure is improved, and meanwhile, the butt joint of the unit elements is facilitated.

In order to further improve the structural strength, the other end of the fixing rod 13 is provided with a tilted and flat fixing pin II 17, the fixing pin II 17 is provided with a screw hole II through which the anchor bolt 7 passes, after the fixing rod 13 on each unit element is unfolded, the screw holes II on the fixing pin II 17 at the end part of the fixing rod 13 are aligned, and the fixing rod 13 on each unit element can be locked and fixed through the anchor bolt 7 passing through the screw hole II, so that the unit elements are quickly butted.

In order to facilitate the butt joint between the spiral steel pipes, the two ends of the steel pipe main body 2 are provided with the flange plates 3, the flange plates 3 are provided with a plurality of butt joint holes 4 with the same intervals, and after the two steel pipe main bodies 2 are axially overlapped and the butt joint holes 4 in the flange plates 3 are aligned, the butt joint holes can be connected through nuts to complete the butt joint fixation between the spiral steel pipes.

The utility model discloses a theory of operation and use flow: when in use, the fixing rods 13 and the inclined stay bars 15 on each unit piece can be rotated and opened, the inclined stay bars 15 can be correspondingly attached to the fixing rods 13 of adjacent unit pieces after being unfolded, the first fixing feet 16 are aligned with the first screw holes on the fixing rods 13 and then fixed through the bolts 10, the two connecting fixing rods 13 are formed into a triangular support system by the inclined stay bars 15, the second screw holes of the second fixing feet 17 on each unit piece can be aligned one by one after the fixing rods 13 on each unit piece and the inclined stay bars 15 are fixed, the fixing rods 13 on each unit piece can be locked through the bolt 7 penetrating through the second screw holes, so that the fixing rods 13 are fixedly butted among the unit pieces, the fixing rings 11 on the unit pieces are spliced and fixed to form an annular structure which is attached to the inner side pipe wall of the steel pipe body 2, the pipe body 2 is fixedly supported, and when being disassembled, the bolts 10 and the bolt 7 can be disassembled and the fixing rods 13 and the inclined stay bars 15 can be folded, thereby allowing for quick disassembly of the pipe end support assembly 1.

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. A spiral steel pipe, includes pipe end support assembly (1) and steel pipe main part (2), its characterized in that: the pipe end supporting assemblies (1) are arranged in pipe walls at two ends of the steel pipe main body (2);

the pipe end supporting assembly (1) comprises a first unit piece (5), a second unit piece (6), a third unit piece (8) and a fourth unit piece (9), wherein the first unit piece (5), the second unit piece (6), the third unit piece (8) and the fourth unit piece (9) are distributed in a cross shape and are fixedly connected with a bolt (10) through an anchor bolt (7) and used for supporting the pipe wall of the steel pipe main body (2).

2. A spiral steel pipe as claimed in claim 1, wherein: the structure of the first unit piece (5), the second unit piece (6), the third unit piece (8) and the fourth unit piece (9) is the same, the first unit piece, the second unit piece and the third unit piece all comprise fixing rings (11), fixing rods (13) and inclined stay bars (15), a pair of first rotating blocks (12) are fixedly connected to the inner annular wall of each fixing ring (11), one ends of the fixing rods (13) are hinged to the first rotating blocks (12), second rotating blocks (14) are fixedly connected to the outer wall of one side of each fixing rod (13), and one ends of the inclined stay bars (15) are hinged to the second rotating blocks (14).

3. A spiral steel pipe as claimed in claim 2, wherein: the fixing ring (11) is in a quarter-ring shape, and the radian of the fixing ring is matched with the inner ring wall of the steel pipe main body (2).

4. A spiral steel pipe as claimed in claim 2, wherein: the other end of the inclined supporting rod (15) is provided with a first flat fixing foot (16) which is tilted, and a first screw hole for the bolt (10) to pass through is formed in the first fixing foot (16).

5. A spiral steel pipe as claimed in claim 2, wherein: the other end of the fixing rod (13) is provided with a second fixing foot (17) which is tilted and is flat, and a second screw hole for the anchor bolt (7) to pass through is formed in the second fixing foot (17).

6. A spiral steel pipe as claimed in claim 1, wherein: the two ends of the steel pipe main body (2) are provided with flange plates (3), and a plurality of butt joint holes (4) with the same intervals are formed in the flange plates (3).