CN217422542U

CN217422542U - Coal mine gas drainage pipe butt joint device

Info

Publication number: CN217422542U
Application number: CN202220457014.6U
Authority: CN
Inventors: 冯扬波
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-13
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a colliery gas drainage tubular product interfacing apparatus, including the flexible pipe: the flexible pipe is characterized in that the two ends of the flexible pipe are provided with connecting pipes, the outer wall of each connecting pipe is sleeved with a sealing pipe, the sealing pipes are respectively sleeved with a first clamping ring and a second clamping ring, and a limiting assembly is arranged between the first clamping ring and the second clamping ring. The utility model discloses in, this interfacing apparatus adopts the independent tight structure of clamp of two clamp rings, can play the sealed effect of dual reinforcement to sealed pipe and gas drainage union coupling department to combine the spacing supporting role of spacing subassembly, can play the effect of spacing support to the position of two clamp rings, ensure that two clamp rings are in stable clamping state, avoid two clamp rings to take place the phenomenon that the displacement or rocked, and then improved the sealed stability of sealed tank and gas drainage union coupling department.

Description

Coal mine gas drainage pipe butt joint device

Technical Field

The utility model relates to a colliery tubular product connects technical field, especially relates to a colliery gas drainage tubular product interfacing apparatus.

Background

According to recent statistical data, among various coal mine accidents, coal mine accidents caused by gas explosion account for about 47% of the total number of coal mine accidents. In order to guarantee safe production, all levels of units and departments in coal mines pay great attention to relevant research on gas, and currently, the most common measure in coal mine production is to pump out gas by using a special pipeline so as to ensure safe operation of mine operation. The gas pipeline is a special pipeline for pumping and discharging gas in a coal mine, and because the length of the gas pumping and discharging pipeline is fixed, two independent gas pumping and discharging pipes need to be subjected to butt joint operation in order to meet the gas pumping and discharging requirements with different lengths.

Chinese patent publication No.: CN214368347U discloses "a sealed effectual colliery gas drainage tubular product interfacing apparatus", including first fixed plate, sealing rubber cover, connecting tube and second fixed plate, the mouth of pipe both ends of connecting tube all are provided with spacing interface, and it has first pipeline and second pipeline, two to peg graft respectively in the spacing interface the sealing rubber cover cup joints on first pipeline, connecting tube and second pipeline, and the sealing rubber cover is connecting tube laminating portion and pipeline laminating portion, the surface at pipeline laminating portion is installed to first fixed plate and third fixed plate, and the surface mounting of pipeline laminating portion has second fixed plate and fourth fixed plate, the mounting panel is all installed at the both ends of first fixed plate, second fixed plate, third fixed plate and fourth fixed plate, has seted up the screw hole on the mounting panel, and threaded hole installs fastening bolt.

The existing gas drainage pipe butt joint structure usually adopts the clamping ring to clamp and fix the joint, and the pipe butt joint is easy to loose or displace after long-time operation due to certain pressure during gas flowing, so that the pipe butt joint has insufficient sealing property and gas leakage is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adopt spacing structure of supporting, ensure that the clamp ring position is stable, avoid taking place a colliery gas drainage tubular product interfacing apparatus of gas leakage phenomenon.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a colliery gas drainage tubular product interfacing apparatus, includes the flexible pipe:

the two ends of the flexible pipe are provided with connecting pipes, and the outer walls of the connecting pipes are sleeved with sealing pipes;

the sealing tube is respectively sleeved with a first clamping ring and a second clamping ring, and a limiting assembly is arranged between the first clamping ring and the second clamping ring.

As a further description of the above technical solution:

and the sealing tube is respectively provided with a first clamping groove and a second clamping groove which are matched with the first clamping ring and the second clamping ring.

As a further description of the above technical solution:

the limiting assembly comprises a supporting rod, a first clamping sleeve and a second clamping sleeve which are of hollow semicircular structures are arranged at two ends of the supporting rod respectively, and the first clamping sleeve and the second clamping sleeve are sleeved on the outer walls of the first clamping ring and the second clamping ring respectively.

As a further description of the above technical solution:

the connection pipe is provided with a concave part matched with the sealing pipe.

As a further description of the above technical solution:

the inner wall of the sealing pipe is provided with a positioning block, and the outer wall of the connecting pipe, which is positioned at the concave part, is provided with a positioning groove matched with the positioning block.

As a further description of the above technical solution:

the inner wall of the flexible pipe is provided with a flexible inner container.

As a further description of the above technical solution:

the inner wall of the sealing tube is provided with a flexible pressing gasket.

In the technical scheme, the utility model provides a pair of tubular product interfacing apparatus is put in colliery gas drainage has following beneficial effect:

this interfacing apparatus adopts the independent tight structure of clamp of two clamp rings, can play the sealed effect of dual reinforcement to sealed pipe and gas drainage union coupling department to combine the spacing supporting role of spacing subassembly, can play the effect of spacing support to the position of two clamp rings, ensure that two clamp rings are in stable clamping state, avoid two clamp rings to take place the phenomenon that the displacement or rocked, and then improved the seal stability of sealed tank and gas drainage union coupling department.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural view of a coal mine gas drainage pipe butt joint device provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a limiting assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a joint of the connecting pipe and the sealing pipe according to an embodiment of the present invention.

Description of reference numerals:

1. an inner container; 2. a flexible tube; 3. connecting the pipe; 31. a recessed portion; 32. positioning a groove; 4. a limiting component; 41. a first jacket; 42. a second jacket; 43. a support bar; 5. a sealing tube; 51. positioning a block; 52. a first card slot; 53. a second card slot; 6. a first clamp ring; 7. a second clamp ring; 8. and pressing the gasket.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, a coal mine gas drainage pipe butt joint device comprises a flexible pipe 2:

the two ends of the flexible pipe 2 are provided with connecting pipes 3, and the outer walls of the connecting pipes 3 are sleeved with sealing pipes 5;

the sealing tube 5 is respectively sleeved with a first clamping ring 6 and a second clamping ring 7, a limiting component 4 is arranged between the first clamping ring 6 and the second clamping ring 7, the number of the limiting components 4 is two, and the limiting components are respectively positioned between two groups of clamping rings on two sides to carry out limiting support.

In this embodiment, two seal pipes 5 are respectively sleeved on the outer walls of two gas drainage pipe interfaces, and a first clamping ring 6 and a second clamping ring 7 are respectively sleeved on the seal pipes 5, so that the two clamping rings play a role in sealing and clamping the outer sides of the joints of the seal pipes 5 and the gas drainage pipes, and then a limiting component 4 is sleeved on the first clamping ring 6 and the second clamping ring 7 on the same side, so that the positions of the two clamping rings on the same side can be limited and supported, the first clamping ring 6 and the second clamping ring 7 are ensured to be in a stable clamping state, the phenomenon that the two clamping rings displace or shake is avoided, the sealing stability of the joints of a seal tank and the gas drainage pipes is further improved, and the phenomenon that the joints of the gas drainage pipes leak is prevented.

Be equipped with first draw-in groove 52 and the second draw-in groove 53 with first clamp ring 6 and second clamp ring 7 looks adaptation on the sealed tube 5 respectively for first clamp ring 6 and second clamp ring 7 can inlay respectively and establish in first draw-in groove 52 and second draw-in groove 53, play preliminary spacing and the effect of protection to the clamping position of first clamp ring 6 and second clamp ring 7, ensure that first clamp ring 6 and second clamp ring 7 can be accurate and quick centre gripping on sealed tube 5.

The limiting component 4 comprises a supporting rod 43, a first jacket 41 and a second jacket 42 which are of a hollow semicircular structure are respectively arranged at two ends of the supporting rod 43, the first jacket 41 and the second jacket 42 are respectively sleeved on the outer walls of the first clamping ring 6 and the second clamping ring 7, the inner walls of the first jacket 41 and the second jacket 42 can be just sleeved on the outer walls of the first clamping ring 6 and the second clamping ring 7, the first jacket 41 and the second jacket 42 are correspondingly clamped with the first clamping ring 6 and the second clamping ring 7 respectively, the position stability of the first jacket 41 and the position stability of the second jacket 42 are ensured by means of the supporting function of the supporting rod 43, and further limiting protection function is achieved on the clamping state of the first clamping ring 6 and the second clamping ring 7.

The connecting pipe 3 is provided with a concave part 31 matched with the sealing pipe 5, so that the sealing pipe 5 can be matched and connected with the connecting pipe 3, and the flatness of the joint of the sealing pipe 5 and the connecting pipe is ensured.

The inner wall of the sealing tube 5 is provided with a positioning block 51, the outer wall of the connecting tube 3, which is positioned on the concave portion 31, is provided with a positioning groove 32 matched with the positioning block 51, and the connecting position of the sealing tube 5 and the connecting tube 3 can be positioned and processed by correspondingly clamping the positioning block 51 and the positioning groove 32, so that the relative stability of the connection position of the sealing tube 5 and the connecting tube 3 is ensured.

The inner wall of flexible pipe 2 is provided with flexible inner bag 1, and inner bag 1 is bellied structure for 5 covers of two sealed tube are established when gas drainage pipe outer wall, ensure that the port outer wall of gas drainage pipe is inconsistent with the both ends of inner bag 1, improve gas drainage pipe and the 2 junctions inner wall roughness of flexible pipe, and then improve the patency that gas flows.

The inner wall of sealing tube 5 is provided with flexible pressfitting gasket 8, can play further sealed effect between sealing tube 5 and gas drainage pipe.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a colliery gas drainage tubular product interfacing apparatus, includes flexible pipe (2), its characterized in that:

the two ends of the flexible pipe (2) are respectively provided with a connecting pipe (3), and the outer wall of each connecting pipe (3) is sleeved with a sealing pipe (5);

the sealing tube (5) is respectively sleeved with a first clamping ring (6) and a second clamping ring (7), and a limiting assembly (4) is arranged between the first clamping ring (6) and the second clamping ring (7).

2. The coal mine gas drainage pipe butt joint device according to claim 1, characterized in that: and a first clamping groove (52) and a second clamping groove (53) which are matched with the first clamping ring (6) and the second clamping ring (7) are respectively arranged on the sealing tube (5).

3. The coal mine gas drainage pipe butt joint device according to claim 1, characterized in that: the limiting assembly (4) comprises a supporting rod (43), a first clamping sleeve (41) and a second clamping sleeve (42) which are of hollow semicircular structures are arranged at two ends of the supporting rod (43) respectively, and the first clamping sleeve (41) and the second clamping sleeve (42) are sleeved on the outer walls of the first clamping ring (6) and the second clamping ring (7) respectively.

4. The coal mine gas drainage pipe butt joint device according to claim 1, characterized in that: the connecting pipe (3) is provided with a concave part (31) matched with the sealing pipe (5).

5. The coal mine gas drainage pipe butt joint device according to claim 4, characterized in that: the inner wall of sealing tube (5) is provided with locating piece (51), linking pipe (3) is gone up and the outer wall that is located depressed part (31) is equipped with constant head tank (32) with locating piece (51) looks adaptation.

6. The coal mine gas drainage pipe butt joint device according to claim 1, characterized in that: the inner wall of the flexible pipe (2) is provided with a flexible inner container (1).

7. The coal mine gas drainage pipe butting device according to claim 1, characterized in that: and a flexible press-fit gasket (8) is arranged on the inner wall of the sealing pipe (5).