CN220016438U

CN220016438U - Butt joint device for boiler pipeline installation

Info

Publication number: CN220016438U
Application number: CN202321402849.2U
Authority: CN
Inventors: 张利群; 徐晶
Original assignee: Huaneng Daqing Thermal Power Co Ltd
Current assignee: Huaneng Daqing Thermal Power Co Ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-14
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to the technical field of pipe installation, in particular to a boiler pipe installation butt joint device, which comprises: the connecting sleeve, the first fixed disc and the second fixed disc; the connecting sleeve is sleeved on the two butted boiler tubes; the first fixing discs are respectively fixed at two ends of the connecting sleeve; the second fixing discs are respectively fixed on the two butted boiler tubes; the first fixed disc is detachably connected with the second fixed disc through a fastening structure; one of the first fixed disc and the second fixed disc is provided with an annular groove, the other one is provided with an annular convex strip, and the annular convex strip is in sealing connection with the annular groove. The boiler pipeline installation butt joint device is convenient to detach, and the later maintenance engineering is time-saving and labor-saving, so that the resource is convenient to recycle.

Description

Butt joint device for boiler pipeline installation

Technical Field

The utility model relates to the technical field of pipe installation, in particular to a boiler pipe installation butt joint device.

Background

The boiler tube is a steel material with two open ends and a hollow section, the length of which is larger than the circumference, and can be divided into a seamless steel tube and a welded steel tube according to the production method, the specification of the steel tube is expressed by the external dimension (such as the external diameter or the side length) and the wall thickness, and the dimension range is wide, and the diameter ranges from a capillary tube with a small diameter to a large-caliber tube with a diameter of several meters. Steel pipes can be used in pipelines, thermal equipment, the mechanical industry, oil and geological exploration, containers, the chemical industry and special applications.

The boiler tube needs to be tightly connected with a plurality of boiler tubes when being installed, but the traditional connection mode is to weld a plurality of boiler tubes, the disassembly is inconvenient after welding, the later maintenance and maintenance engineering is time-consuming and labor-consuming, and the resource recycling is inconvenient, so that the development of a boiler tube installation butt joint device convenient to disassemble is needed.

Disclosure of Invention

The utility model aims to provide the boiler pipeline installation butt joint device which is convenient to detach, saves time and labor in later maintenance engineering and is convenient for resource recycling.

The utility model provides a boiler pipeline installation butt joint device, which comprises: the connecting sleeve, the first fixed disc and the second fixed disc;

the connecting sleeve is sleeved on the two butted boiler tubes;

the first fixing discs are respectively fixed at two ends of the connecting sleeve;

the second fixing discs are respectively fixed on the two butted boiler tubes;

the first fixed disc and the second fixed disc are detachably connected through a fastening structure;

one of the first fixed disc and the second fixed disc is provided with an annular groove, the other one is provided with an annular convex strip, and the annular convex strip is in sealing connection with the annular groove.

Preferably, an annular groove is formed in one side of the second fixing disc, an annular raised line is formed in one side of the first fixing disc, an annular sealing ring is arranged on the outer wall of the annular raised line, and the annular sealing ring is matched with the annular groove.

Preferably, the fastening structure includes: fastening bolts, nuts and elastic jackets;

the elastic jacket is sleeved on the outer walls of the first fixed disc and the second fixed disc; the fastening bolts sequentially penetrate through the elastic jacket, the first fixing disc and the second fixing disc and then are fixed through nuts.

Preferably, the elastic jacket is of a U-shaped structure.

Preferably, the first fixing disc and the second fixing disc are connected through a plurality of groups of fastening structures arranged at intervals.

Preferably, a limit structure is arranged between the connecting sleeve and the boiler tube for connection.

Preferably, the limiting structure includes: the convex strips are arranged in the connecting sleeve and the grooves are arranged in the boiler tube, and the convex strips are matched with the grooves.

Preferably, the connecting sleeve is of a hollow straight cylinder structure.

Preferably, the inner diameter of the connection sleeve is larger than the outer diameter of the boiler tube.

Preferably, the first fixed disk and the second fixed disk are of a disk structure.

The beneficial effects are that:

according to the technical scheme, the boiler tubes are butted by adopting the connecting sleeve, the first fixed disc and the second fixed disc, so that the stability of pipeline connection is improved, the boiler tubes can be disassembled, the time and the labor are saved in later maintenance engineering, and the boiler tubes are convenient for resource recycling.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a boiler pipe installation docking device provided in embodiment 1 of the present utility model;

fig. 2 is a schematic structural view of a fastening structure provided in embodiment 1 of the present utility model;

fig. 3 is a schematic structural diagram of a first fixing plate and a second fixing plate according to embodiment 1 of the present utility model;

FIG. 4 is a schematic structural view of a boiler pipe installation docking device according to embodiment 2 of the present utility model;

fig. 5 is a schematic structural diagram of a connection mechanism according to embodiment 2 of the present utility model;

FIG. 6 is a schematic view of the position of a sealing gasket according to embodiment 2 of the present utility model;

fig. 7 is a schematic diagram of a top hat structure according to embodiment 2 of the present utility model.

Reference numerals illustrate: 1. a connecting sleeve; 2. a first fixed plate; 3. a fastening bolt; 4. a nut; 5. a second fixed disk; 6. a jacket; 7. a boiler tube; 8. a top cap; 9. a pull rod; 10. a return spring; 11. a limiting plate; 12. positioning columns; 13. a positioning groove; 14. a groove; 15. an annular groove; 16. annular raised strips; 17. an annular seal ring; 18. and a sealing gasket.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1 to 7, the present embodiment provides a boiler pipe installation docking apparatus, including: a connecting sleeve 1, a first fixed disk 2 and a second fixed disk 5; the connecting sleeve 1 is sleeved on two butted boiler tubes 7; the first fixing plates 2 are respectively fixed at two ends of the connecting sleeve 1; the second fixed discs 5 are respectively fixed on two butted boiler tubes 7; the first fixed disc 2 and the second fixed disc 5 are detachably connected through a fastening structure; one of the first fixed disc 2 and the second fixed disc 5 is provided with an annular groove 15, the other is provided with an annular raised line 16, and the annular raised line 16 is in sealing connection with the annular groove 15.

In this embodiment, one side of the second fixed disk 5 is provided with the ring channel 15, and one side of the first fixed disk 2 is provided with annular protruding strip 16, and the outer wall of annular protruding strip 16 is provided with ring seal 17, ring seal 17 and ring channel 15 looks adaptation, improves sealed effect.

In this embodiment, the fastening structure includes: a fastening bolt 3, a nut 4 and an elastic jacket 6; the elastic jacket 6 is sleeved on the outer walls of the first fixed disc 2 and the second fixed disc 5; the fastening bolt 3 passes through the elastic jacket 6, the first fixing disc 2 and the second fixing disc in sequence and then is fixed through the nut 4, so that the stability of the fastening bolt is enhanced.

In this embodiment, the elastic jacket 6 has a U-shaped structure.

In this embodiment, the first fixing plate 2 and the second fixing plate 5 are connected by a plurality of groups of fastening structures arranged at intervals.

In this embodiment, a limit structure is provided between the connection sleeve 1 and the boiler tube 7.

In this embodiment, the limit structure includes: the convex strips arranged in the connecting sleeve 1 and the grooves 14 arranged in the boiler tube 7 are matched with the grooves 14.

In this embodiment, the connecting sleeve 1 has a hollow straight cylinder structure.

In this embodiment, the inner diameter of the connection sleeve 1 is larger than the outer diameter of the boiler tubes 7.

In this embodiment, the first fixed disk 2 and the second fixed disk 5 have a disk structure.

Example 2

The present embodiment includes the technical content disclosed in embodiment 1, and the technical content that is the same as that of embodiment 1 in this embodiment is not repeated.

As shown in fig. 1 to 7, in the present embodiment, optionally, a connection mechanism is provided to connect the top of the outer wall of the sleeve 1 and the outer wall of one side of the boiler tube 7; the coupling mechanism includes pull rod 9, the outer wall of two pull rods 9 sliding connection respectively in the top both sides of coupling sleeve 1, the one end fixedly connected with hood 8 of pull rod 9, the other end fixedly connected with reference column 12 of pull rod 9, outer wall one side of pull rod 9 is provided with reset spring 10, the one end of reset spring 10 links to each other with the inner wall of coupling sleeve 1, the other end of reset spring 10 links to each other with the outer wall of limiting plate 11, side fixedly connected with limiting plate 11 in the outer wall of pull rod 9, outer wall one side of boiler tube 7 is provided with constant head tank 13, reference column 12 and constant head tank 13 are corresponding the setting, bottom one side of reference column 12 is the slope setting, the outer wall both sides of boiler tube 7 all are provided with recess 14, the inside both sides of coupling sleeve 1 all are provided with the sand grip, sand grip and recess 14 are corresponding the setting, through coupling mechanism's setting for boiler tube 7 can be connected with coupling sleeve 1 accurately, the convenience is calibrated, through the cooperation setting of boiler 7 both sides recess 14 and coupling sleeve 1 both sides, make inside can get into coupling sleeve 1 accurately, one side through the setting up of reference column 12, outside through the one side slope of boiler tube 7, be provided with constant head tank 12, set up in the sealing washer 12 is taken place in the back of two recess 18, the sealing washer is set up to the inside the two, the sealing washer is taken place through setting up the sealing washer is 18, the sealing washer is set up in the top is set up by the top is 18, the top is set up to the sealing washer is 18 is opposite the inside is set up.

The working principle of the utility model is as follows:

when the boiler tube 7 is used, through the setting of the fixing mechanism, two boiler tubes 7 can be tightly connected with the connecting sleeve 1, the stability is enhanced, through aligning the corresponding first fixing disc 2 with the second fixing disc 5, the first fixing disc 2 is attached to the second fixing disc 5 through the elastic jacket 6, at the moment, the fastening bolt 3 passes through the first fixing disc 2, the second fixing disc 5 and the inside of the elastic jacket 6 again, the fastening is carried out through the nut 4, the boiler tubes 7 are tightly attached to the connecting sleeve 1, the stability is improved, the boiler tubes 7 can be accurately connected with the connecting sleeve 1 through the setting of the connecting mechanism, the boiler tubes 7 can be accurately arranged in the connecting sleeve 1 through the matching of grooves 14 on two sides of the boiler tubes 7, the boiler tubes 7 can be accurately arranged in the connecting sleeve 1, the positioning column 12 can be jacked up through one side inclined setting of the positioning column 12 after the boiler tubes 7 are arranged, after the positioning slot 13 is arranged below the positioning column 12, the positioning column 12 falls down to the positioning column 13 through the setting of the reset spring 10, the positioning column 13 is fixed, the use effect is avoided, and the offset is enhanced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A boiler tube mounting interface device, comprising: the connecting sleeve (1), the first fixed disc (2) and the second fixed disc (5);

the connecting sleeve (1) is sleeved on two butted boiler tubes (7);

the first fixing plates (2) are respectively fixed at two ends of the connecting sleeve (1);

the second fixing plates (5) are respectively fixed on two butted boiler tubes (7);

the first fixed disc (2) is detachably connected with the second fixed disc (5) through a fastening structure;

one of the first fixed disc (2) and the second fixed disc (5) is provided with an annular groove (15), the other one is provided with an annular raised line (16), and the annular raised line (16) is in sealing connection with the annular groove (15).

2. The boiler pipeline installation butt joint device according to claim 1, wherein an annular groove (15) is formed in one side of the second fixed disc (5), an annular raised line (16) is formed in one side of the first fixed disc (2), an annular sealing ring (17) is arranged on the outer wall of the annular raised line (16), and the annular sealing ring (17) is matched with the annular groove (15).

3. The boiler tube mounting interface of claim 1 wherein said fastening structure includes: a fastening bolt (3), a nut (4) and an elastic jacket (6);

the elastic jacket (6) is sleeved on the outer walls of the first fixed disc (2) and the second fixed disc (5); the fastening bolt (3) sequentially passes through the elastic jacket (6), the first fixing disc (2) and the second fixing disc and then is fixed through the nut (4).

4. A boiler pipe mounting docking apparatus according to claim 3, characterized in that the elastic jacket (6) is of U-shaped construction.

5. The boiler pipe installation docking device according to claim 1, characterized in that the first fixing plate (2) and the second fixing plate (5) are connected by a plurality of groups of fastening structures arranged at intervals.

6. A boiler tube mounting docking device according to claim 1, characterized in that a limit structure connection is provided between the connection sleeve (1) and the boiler tube (7).

7. The boiler tube mounting interface of claim 6, wherein the limit structure comprises: the convex strip is arranged in the connecting sleeve (1) and the groove (14) is arranged in the boiler tube (7), and the convex strip is matched with the groove (14).

8. A boiler pipe mounting docking apparatus according to claim 1, characterized in that the connecting sleeve (1) is of hollow straight barrel construction.

9. A boiler tube mounting docking device according to claim 1, characterized in that the inner diameter of the connection sleeve (1) is larger than the outer diameter of the boiler tubes (7).

10. A boiler duct mounting docking apparatus according to claim 1, characterized in that the first stationary disc (2) and the second stationary disc (5) are of disc construction.