CN214535071U

CN214535071U - Corrugated compensator for pulverized coal pipeline

Info

Publication number: CN214535071U
Application number: CN202120853109.5U
Authority: CN
Inventors: 吴安静
Original assignee: Hangzhou Chenda Energy Technology Co ltd
Current assignee: Hangzhou Chenda Energy Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-29
Anticipated expiration: 2031-04-23

Abstract

The utility model provides a corrugated compensator for pulverized coal pipeline, including left side takeover, right side takeover, first core pipe and second core pipe, between left side takeover and the first core pipe, all be equipped with ripple coupling mechanism between right side takeover and the second core pipe, be equipped with seal structure between first core pipe and the second core pipe, seal structure is including installing the first connecting piece on first core pipe and installing the second connecting piece at second core pipe, the extension embedding of first connecting piece in the second connecting piece and with second connecting piece sliding connection, be equipped with first isolation between the lateral wall that first connecting piece and second connecting piece are connected. The utility model discloses an extension and the second connecting piece sliding connection of first connecting piece and then make and form tortuous gap between two connecting pieces, for sharp gap, the closure in tortuous gap is better, and the stability of first connecting piece and second connecting piece is better.

Description

Corrugated compensator for pulverized coal pipeline

Technical Field

The utility model belongs to the technical field of transportation pipeline technique and specifically relates to a corrugated compensator for buggy pipeline.

Background

Enterprises such as power generation, building materials, heating power and the like generally need to use coal-fired boilers, the coal-fired boilers generally need to be provided with three-dimensional pulverized coal compensators in pipelines, the three-dimensional pulverized coal compensators generally comprise spherical compensators and corrugated compensators, the three-dimensional compensators can perform radial angular displacement and axial linear displacement, the three-dimensional compensators have large deflection angles and large axial displacement, can effectively compensate and absorb large displacement generated during the operation of equipment such as boilers and the like, and have good use effect and wide application.

At present, three-dimensional corrugated compensators installed in power plants and cement plants are complex in structure and inconvenient to manufacture and install, large gaps exist in moving parts of the compensators, and large resistance is possibly caused by instability during axial displacement. On the other hand, in the conventional compensator, although an isolation structure is used at the connection portion of the intermediate core tube, the structure is simple, the effect is general, and the isolation effect is not ideal, so that a corrugated compensator for the pulverized coal pipeline needs to be designed according to the situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a corrugated compensator for buggy pipeline.

The utility model provides a its technical problem take following technical scheme to realize:

a corrugated compensator for a pulverized coal pipeline comprises a left connecting pipe, a right connecting pipe, a first core pipe and a second core pipe, wherein corrugated connecting mechanisms are arranged between the left connecting pipe and the first core pipe and between the right connecting pipe and the second core pipe respectively, a sealing structure is arranged between the first core pipe and the second core pipe and comprises a first connecting piece arranged on the first core pipe and a second connecting piece arranged on the second core pipe, an extending part of the first connecting piece is embedded into the second connecting piece and is in sliding connection with the second connecting piece, a first isolating part is arranged between the side wall connected with the first connecting piece and the second connecting piece and comprises a plurality of isolating rubber rings, a moving piece clamped with the first connecting piece is further arranged on the first core pipe, and the moving piece is connected with the second connecting piece to fix the first core pipe and the second core pipe, through the extension part of the first connecting piece and the sliding connection of the second connecting piece, a zigzag gap is formed between the two connecting pieces, and compared with a linear gap, the zigzag gap is better in sealing performance and better in stability of the first connecting piece and the second connecting piece.

Preferably, a plurality of isolation rubber circle of first isolation portion is located different planes, and a plurality of isolation rubber of first isolation portion is located the different edges in tortuous gap, has strengthened the isolation effect greatly.

Preferably, first isolation portion is including the relative first rubber circle that sets up, the longitudinal section of first rubber circle is squarely, first rubber circle with one side of first connecting piece is equipped with the notch, and the isolation effect of square rubber circle is better, and the notch of one side is convenient for install, reduces the installation degree of difficulty, promotes the installation effectiveness.

Preferably, the corrugated connecting mechanism comprises first short connecting pipes respectively arranged on the first core pipe and the left connecting pipe, the first short connecting pipes are respectively provided with a first lug plate, a bolt and nut structure is arranged between the two first lug plates, a first corrugated pipe is clamped between the two first short connecting pipes, the first core pipe is provided with a first boss, the first boss is provided with a first connecting pipe sleeved with the left connecting pipe in an extending manner, a second isolating part is arranged between the first connecting pipe and the left connecting pipe and comprises a plurality of isolating rubber rings, the second core pipe and the right connecting pipe are respectively provided with a second short connecting pipe, the second short connecting pipes are respectively provided with a second lug plate, a bolt and nut structure is arranged between the second lug plates, a second corrugated pipe is clamped between the second short connecting pipes, and the second core pipe is provided with a second boss, the second boss is provided with a second sleeving pipe in a sleeved mode with the right connecting pipe in an extending mode, the second sleeving pipe and the right connecting pipe are provided with a third isolation portion, and the third isolation portion comprises a plurality of isolation rubber rings.

Preferably, second isolation portion and third isolation portion all include cylindrical rubber circle and square rubber circle, set up through square rubber circle and circular rubber circle cooperation, promote the isolation effect.

Preferably, a fourth isolation portion is arranged between the moving member and the second connecting member, and the fourth isolation portion comprises an isolation rubber ring, so that the isolation effect is further enhanced.

The utility model has the advantages that:

1. the utility model discloses an extension and the second connecting piece sliding connection of first connecting piece and then make and form tortuous gap between two connecting pieces, for sharp gap, the closure in tortuous gap is better, and the stability of first connecting piece and second connecting piece is better.

2. The utility model discloses a square rubber circle's isolation effect better, and the notch of one side is convenient for install, reduces the installation degree of difficulty, promotes the installation effectiveness.

Drawings

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

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is an enlarged view of the present invention at A in FIG. 2;

fig. 4 is an enlarged view of the present invention at B in fig. 2.

In the figure: 1. a left adapter tube; 2. a first core tube; 3. a second core tube; 4. a right connection pipe; 5. a corrugated connection mechanism; 50. a third isolation section; 51. a first nipple; 52. a first ear plate; 53. a first bellows; 54. a second isolation portion; 541. a third rubber ring; 542. a fourth rubber ring; 55. a first boss; 56. a second nipple; 57. a second ear panel; 58. a second bellows; 59. a second boss; 6. a sealing mechanism; 61. a first connecting member; 62. a second connecting member; 63. a movable member; 64. a first isolation section; 641. a first rubber ring; 642. a second rubber ring; 7. and a fifth rubber ring.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1, the utility model discloses a corrugated compensator for pulverized coal pipeline, including left takeover 1, right takeover 4, first core pipe 2 and second core pipe 3, all be equipped with ripple coupling mechanism 5 between left takeover 1 and first core pipe 2, between right takeover 4 and the second core pipe 3, be equipped with seal structure between first core pipe 2 and the second core pipe 3.

As shown in fig. 2 and 4, the sealing structure includes a first connecting member 61 mounted on the first core tube 2 and a second connecting member 62 mounted on the second core tube 3, the first connecting member 61 is provided with an extending section towards the second connecting member 62, the extending section is integrally annular, the second connecting member 62 is provided with an annular groove towards the first connecting member 61, the extending part of the first connecting member 61 is embedded into the second connecting member 62 and is connected with the second connecting member 62 in a sliding manner, not only the extending end enters the annular groove, a first isolating part 64 is arranged between the side walls of the first connecting member 61 connected with the second connecting member 62, the first isolating part 64 includes a plurality of isolating rubber rings, the plurality of isolating rubber rings of the first isolating part 64 are located on different planes, the plurality of isolating rubbers of the first isolating part 64 are located on different sides of the zigzag gap, so as to greatly enhance the isolating effect, the first core tube 2 is further provided with a moving member 63 clamped with the first connecting member 61, the moving part 63 is connected with the second connecting part 62 through bolts and nuts to fix the first core pipe 2 and the second core pipe 3, one side of the moving part 63 is provided with a groove chamber with the volume and the shape matched with those of the first connecting part 61, and then the first connecting part 61 is positioned after being connected with the second connecting part 62, and the extending part of the first connecting part 61 is connected with the second connecting part 62 in a sliding manner, so that a zigzag gap is formed between the two connecting parts, and compared with a linear gap, the zigzag gap is better in sealing performance, and the stability of the first connecting part 61 and the second connecting part 62 is better.

As shown in fig. 4, the first isolation portion 64 includes a first rubber ring 641 disposed oppositely, i.e. an outer rubber ring and an inner rubber ring in fig. 4, the two rubber rings have different radii and contact with the inner and outer annular surfaces of the first connecting member 61 respectively, the longitudinal section of the first rubber ring 641 is square, the first rubber ring 641 and one side of the first connecting member 61 are provided with notches, the isolation effect of the square rubber ring is better, the notch on one side is convenient for installation, the installation difficulty is reduced, the installation efficiency is improved, the isolation portion further includes a second rubber ring 642, the second rubber ring 642 is a cylindrical rubber ring which is embedded on the inner side wall of the annular groove, the side surface of the first connecting member 61 connected with the inner wall of the annular groove is provided with an arc-shaped recess, and is further connected with the second rubber ring 642.

As shown in fig. 2 and 3, the corrugated connection mechanism 5 includes first nipple 51 respectively disposed on the first core tube 2 and the left nipple 1, the first nipple 51 is provided with a first lug plate 52, a bolt and nut structure is disposed between the two first lug plates 52, a first corrugated tube 53 is clamped between the two first nipple 51, the first core tube 2 is provided with a first boss 55, the first boss 55 is extended with a first connecting tube sleeved with the left nipple 1, a second isolating part 54 is disposed between the first connecting tube and the left nipple 1, the second isolating part 54 includes a plurality of isolating rubber rings, the second nipple 56 is respectively disposed on the second core tube 3 and the right nipple 4, the second nipple 56 is provided with a second lug plate 57, a bolt and nut structure is disposed between the second lug plates 57, a second corrugated tube 58 is clamped between the second nipple 56, the first corrugated tube and the second corrugated tube 58 are provided with filling materials, the second core pipe 3 is provided with a second boss 59, the second boss 59 extends to be provided with a second sleeving pipe sleeved with the right connecting pipe 4, the second sleeving pipe and the right connecting pipe 4 are provided with a third isolation part 50, and the third isolation part 50 comprises a plurality of isolation rubber rings.

As shown in fig. 3, the second isolation portion 54 and the third isolation portion 50 both include a cylindrical rubber ring and a square rubber ring, wherein the cylindrical rubber ring is the third rubber ring 541, the number is 2, the square rubber ring is the fourth rubber ring 542, the number is 1, and the square rubber ring is located between two cylindrical rubber rings, and the isolation effect is improved by the cooperation of the square rubber ring and the circular rubber ring.

Be equipped with the fourth isolation portion between moving part 63 and the second connecting piece 62, the fourth isolation portion includes the isolation rubber circle, and this isolation rubber circle is fifth rubber circle 7, preferred cylinder rubber circle, and then further reinforcing isolation.

During specific implementation, a zigzag gap is formed between the first connecting piece 61 and the second connecting piece 62, and on the other hand, the stability of the structures of the first connecting piece 61 and the second connecting piece 62 can be strengthened, the zigzag gap makes dust more difficult to enter a connecting position, and the first isolating part 64 between the first connecting piece 61 and the second connecting piece 62 isolates the dust, so that the isolating effect is excellent.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.

Claims

1. The utility model provides a corrugated compensator for buggy pipeline, includes that left side is taken over (1), right side is taken over (4), first core pipe (2) and second core pipe (3), its characterized in that: all be equipped with ripple coupling mechanism (5) between left side takeover (1) and first core pipe (2), between right side takeover (4) and second core pipe (3), be equipped with seal structure between first core pipe (2) and second core pipe (3), seal structure including install first connecting piece (61) on first core pipe (2) and install second connecting piece (62) of second core pipe (3), the extension embedding of first connecting piece (61) in second connecting piece (62) and with second connecting piece (62) sliding connection, be equipped with first isolation portion (64) between the lateral wall that first connecting piece (61) and second connecting piece (62) are connected, first isolation portion (64) include a plurality of isolation rubber circle, still be equipped with on first core pipe (2) with moving part (63) of first connecting piece (61) joint, the movable piece (63) is connected with the second connecting piece (62) to fix the first core pipe (2) and the second core pipe (3).

2. The corrugated compensator for a pulverized coal pipe as set forth in claim 1, wherein: the plurality of isolation rubber rings of the first isolation part (64) are positioned on different planes.

3. The corrugated compensator for a pulverized coal pipe as set forth in claim 2, wherein: the first isolation portion (64) comprises a first rubber ring (641) which is arranged oppositely, the longitudinal section of the first rubber ring (641) is square, and a notch is formed in one side of the first rubber ring (641) and one side of the first connecting piece (61).

4. The corrugated compensator for a pulverized coal pipe as set forth in claim 1, wherein: the corrugated connecting mechanism (5) comprises first short connecting pipes (51) arranged on the first core pipe (2) and the left connecting pipe (1), wherein the first short connecting pipes (51) are provided with first lug plates (52), a bolt-nut structure is arranged between the first lug plates (52), a first corrugated pipe (53) is clamped between the first short connecting pipes (51), the first core pipe (2) is provided with a first boss (55), a first sleeve connecting pipe sleeved with the left connecting pipe (1) is arranged on the first boss (55) in an extending manner, a second isolating part (54) is arranged between the first sleeve connecting pipe and the left connecting pipe (1), the second isolating part (54) comprises a plurality of isolating rubber rings, second short connecting pipes (56) are arranged on the second core pipe (3) and the right connecting pipe (4), and second lug plates (57) are arranged on the second short connecting pipes (56), be equipped with the bolt and nut structure between second otic placode (57), the joint has second bellows (58) between second nipple (56), be equipped with second boss (59) on second core pipe (3), extend on second boss (59) be equipped with the second cover that right side takeover (4) cup jointed is taken over, the second cover take over with this piece of right side takeover (4) is equipped with third isolation portion (50), third isolation portion (50) include a plurality of isolation rubber circle.

5. The corrugated compensator for a pulverized coal pipe as set forth in claim 4, wherein: the second isolation portion (54) and the third isolation portion (50) both comprise a cylindrical rubber ring and a square rubber ring.

6. The corrugated compensator for a pulverized coal pipe as set forth in claim 1, wherein: and a fourth isolating part is arranged between the movable piece (63) and the second connecting piece (62), and comprises an isolating rubber ring.