Gas pipeline butt joint fixing device

Abstract

The utility model discloses a fuel gas pipeline butt joint fixing device which comprises a connecting pipe, connecting flanges are arranged on the left side and the right side of the outer end face of the connecting pipe, rotating rings are symmetrically arranged on the outer end face of the connecting pipe, mounting columns are arranged at the outer side ends of the two rotating rings, and mounting sleeves are arranged at the outer side ends of the two mounting columns in a sliding mode. Mounting plates are arranged at the outer side ends of the two mounting sleeves, mounting holes are symmetrically formed in the mounting plates, first locking holes are formed in the two mounting sleeves, second locking holes corresponding to the first locking holes are formed in the two mounting columns, and a plurality of second locking holes are formed in the two mounting columns at intervals; the first locking hole and the second locking hole are connected through a bolt, limiting mechanisms are arranged on the outer end face, corresponding to the two rotating rings, of the connecting pipe, and installation and adjustment are convenient through the design of an installation sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipeline butt joint, and more specifically, to a gas pipeline butt joint fixing device. Background Art

[0002] A natural gas pipeline is a pipeline that transports natural gas from a mining site or processing plant to a city gas distribution center or industrial enterprise user, also known as a gas transmission pipeline. In the process of transporting gas, a gas pipeline usually connects multiple pipelines together, and in the process of docking between gas pipelines, a docking fixture is required. When the existing docking fixture is used, after the docking installation is completed, the entire device needs to be installed in coordination with the external environment. For different external environments, the installation angle distance of the installation mechanism is fixed, which is not convenient to adjust. When adjusting the angle of the installation mechanism, there is a lack of a suitable quick locking mechanism, and the angle adjustment is more troublesome. In addition, when the device is in use, when sealing the connection position, the connection is simply sealed by the sealing gasket between the connecting flanges, and there is a lack of a suitable reinforced sealing structure. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a gas pipeline docking and fixing device to solve the technical problem mentioned in the background technology that the installation angle and distance of the installation mechanism are fixed and inconvenient to adjust for different external environments.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas pipeline docking and fixing device, comprising a connecting pipe, connecting flanges are provided on both sides of the outer end surface of the connecting pipe, rotating rings are symmetrically provided on the outer end surface of the connecting pipe, mounting columns are provided on the outer ends of the two rotating rings, mounting sleeves are slidably provided on the outer ends of the two mounting columns, mounting plates are provided on the outer ends of the two mounting sleeves, mounting holes are symmetrically provided on the mounting plates, first locking holes are provided on the two mounting sleeves, second locking holes are provided on the two mounting columns corresponding to the first locking holes, a plurality of second locking holes are arranged at intervals, the first locking hole and the second locking hole are connected by bolts, and limiting mechanisms are provided on the outer end surface of the connecting pipe corresponding to the two rotating rings.

[0007] The utility model is further configured that both left and right sides of the two rotating rings are provided with a clamping seat, and a plurality of the clamping seats are installed on the connecting pipe to guide the rotation of the rotating ring.

[0008] The utility model is further configured such that limiting blocks are symmetrically provided on the two installation columns, and limiting grooves are provided on the inner walls of the two installation sleeves corresponding to the limiting blocks to limit the adjustment of the installation sleeves.

[0009] The utility model is further configured such that the two limit mechanisms each include a limit seat, a limit rod and a limit ring, the limit seat is installed on the connecting pipe, the limit rod is slidably installed on the limit seat, the limit ring is installed on the outer end of the limit rod, and a limit hole is provided on the rotating ring corresponding to the limit rod, and a plurality of limit holes are provided in the circumferential direction to facilitate the rotation and limit tightening of the rotating ring.

[0010] The utility model is further configured such that a plurality of the limit rods are each provided with a guide ring, the guide ring being slidably mounted inside the limit seat, and a spring being connected between the guide ring and the inner wall of the limit seat to facilitate rapid limit adjustment.

[0011] The utility model is further configured such that sealing gaskets are provided at the outer ends of the two connecting flanges, positioning rods are provided in the circumferential direction of the sealing gaskets, and positioning holes are opened on the two connecting flanges corresponding to the multiple positioning rods to achieve sealing of the connection.

[0012] The utility model is further configured such that installation rings are detachably provided at both left and right ends of the connecting tube, and installation seats are provided at both left and right ends of the connecting tube corresponding to the installation rings, and the installation rings and the installation seats are threadedly connected to facilitate connection positioning and reinforcement.

[0013] The utility model is further configured such that outer end surfaces of the two mounting rings are provided with grooves, a plurality of the grooves are arranged at intervals, and sealing rings are arranged inside the plurality of grooves to further seal the connection positions.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a gas pipeline docking and fixing device, which has the following beneficial effects:

[0016] 1. Through the design of the mounting sleeve, the mounting sleeve is slidably arranged relative to the mounting column, the limit block and the limit groove cooperate to limit the sliding, the first locking hole and the second locking hole are locked by bolts, which is convenient for adjusting the position of the mounting sleeve, facilitating the installation of the mounting hole on the mounting plate and the outside world, and facilitating installation and adjustment.

[0017] 2. Through the design of the rotating ring and the limiting mechanism, the rotating ring drives the angle adjustment of the mounting column and the mounting sleeve, which is convenient for adjusting the installation angle and for adjusting the installation in accordance with different external environments. The limiting rod of the limiting mechanism cooperates with the limiting hole of the rotating ring, which is convenient for limiting the rotation of the rotating ring and facilitating quick adjustment of the rotating ring.

[0018] 3. Through the design of the mounting ring, the mounting ring and the mounting seat inside the connecting pipe are installed in coordination with the threads. The mounting ring is installed corresponding to the external pipe to strengthen the positioning of the connection position. The sealing gasket on the connecting flange seals the connecting flange position, and the sealing ring on the mounting ring seals the mounting ring position to improve the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a preferred gas pipeline docking and fixing device;

[0020] Figure 2 It is a schematic diagram of the overall structure of a gas pipeline docking and fixing device preferably without the installation sleeve, the installation ring and the sealing gasket installed;

[0021] Figure 3 A cross-sectional view of the internal structure of a preferred limit seat of a gas pipeline docking and fixing device;

[0022] Figure 4 A cross-sectional view of the internal structure of a preferred installation sleeve of a gas pipeline docking and fixing device;

[0023] Figure 5 A schematic diagram of a sealing gasket structure preferably used in a gas pipeline butt-jointing fixing device;

[0024] Figure 6 The present invention is a cross-sectional exploded view of a preferred mounting ring and sealing ring matching structure of a gas pipeline docking and fixing device.

[0025] In the figure: 1. connecting pipe; 2. connecting flange; 3. rotating ring; 4. mounting column; 5. mounting sleeve; 6. mounting plate; 7. mounting hole; 8. first locking hole; 9. second locking hole; 10. holder; 11. limit block; 12. limit groove; 13. limit seat; 14. limit rod; 15. limit ring; 16. limit hole; 17. guide ring; 18. spring; 19. sealing gasket; 20. positioning rod; 21. positioning hole; 22. mounting ring; 23. mounting seat; 24. groove; 25. sealing ring. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1 , Figure 2 and Figure 4 A gas pipeline docking and fixing device comprises a connecting pipe 1, connecting flanges 2 are arranged on the left and right sides of the outer end surface of the connecting pipe 1, rotating rings 3 are symmetrically arranged on the outer end surface of the connecting pipe 1, mounting columns 4 are arranged on the outer ends of the two rotating rings 3, mounting sleeves 5 are slidably arranged on the outer ends of the two mounting columns 4, mounting plates 6 are arranged on the outer ends of the two mounting sleeves 5, mounting holes 7 are symmetrically opened on the mounting plate 6, first locking holes 8 are opened on the two mounting sleeves 5, second locking holes 9 are opened on the two mounting columns 4 corresponding to the first locking holes 8, a plurality of second locking holes 9 are arranged at intervals, the first locking holes 8 and the second locking holes 9 are connected by bolts, and limiting mechanisms are arranged on the outer end surface of the connecting pipe 1 corresponding to the two rotating rings 3.

[0030] In this embodiment, the rotating ring 3 drives the mounting column 4 to rotate to a suitable angle, the mounting sleeve 5 slides relative to the mounting column 4 to a suitable position, the bolts pass through the first locking hole 8 and the second locking hole 9 to be tightened and fixed, the mounting hole 7 on the mounting plate 6 cooperates with the external wall, and the bolts pass through and are tightened and fixed.

[0031] More specifically, the limiting mechanism limits the rotation of the rotating ring 3 .

[0032] See also Figure 1 and Figure 2 As an implementation method of the clamping seat 10 : a clamping seat 10 is provided on both sides of the two rotating rings 3 , and a plurality of clamping seats 10 are installed on the connecting pipe 1 .

[0033] Specifically, the clamping seat 10 clamps and guides the rotating ring 3 to rotate, and the rotating ring 3 rotates between the two clamping seats 10 .

[0034] See also Figure 2 and Figure 4 As an implementation method of the installation sleeve 5 , the two installation columns 4 are symmetrically provided with limit blocks 11 , and the inner walls of the two installation sleeves 5 are provided with limit grooves 12 corresponding to the limit blocks 11 .

[0035] Specifically, when the installation sleeve 5 slides, the limiting block 11 and the limiting groove 12 cooperate to limit the sliding.

[0036] See also Figure 1-3As an implementation method of the limit mechanism: the two limit mechanisms each include a limit seat 13, a limit rod 14 and a limit ring 15, the limit seat 13 is installed on the connecting pipe 1, the limit rod 14 is slidably installed on the limit seat 13, the limit ring 15 is installed on the outer end of the limit rod 14, and a limit hole 16 is provided on the rotating ring 3 corresponding to the limit rod 14, and a plurality of limit holes 16 are arranged in the circumferential direction, and a plurality of limit rods 14 are each provided with a guide ring 17, which is slidably installed inside the limit seat 13, and a spring 18 is connected between the guide ring 17 and the inner wall of the limit seat 13.

[0037] Specifically, grasp the limit ring 15, pull the limit rod 14, the guide ring 17 slides to squeeze the spring 18, and the limit rod 14 is taken out of the limit hole 16. After the rotating ring 3 is rotated to a suitable angle, the limit ring 15 is released, the spring 18 rebounds, and drives the limit rod 14 to automatically insert into the limit hole 16.

[0038] See also Figure 1 , Figure 2 and Figure 5 As an implementation method of the connecting flange 2: the outer ends of the two connecting flanges 2 are both provided with sealing gaskets 19, the sealing gaskets 19 are provided with positioning rods 20 in the circumferential direction, and the two connecting flanges 2 are both provided with positioning holes 21 corresponding to the multiple positioning rods 20.

[0039] Specifically, the sealing gasket 19 is installed corresponding to the connecting flange 2, and the positioning rod 20 and the positioning hole 21 cooperate to position the installation.

[0040] See also Figure 1 , Figure 2 and Figure 6 As an implementation of the mounting ring 22: mounting rings 22 are detachably provided at both left and right ends of the connecting tube 1, mounting seats 23 are provided at both left and right ends of the connecting tube 1 corresponding to the mounting rings 22, the mounting rings 22 and the mounting seats 23 are threadedly connected, grooves 24 are provided on the outer end surfaces of the two mounting rings 22, a plurality of grooves 24 are arranged at intervals, and sealing rings 25 are provided inside the plurality of grooves 24.

[0041] Specifically, the sealing ring 25 is installed in the groove 24 corresponding to the mounting ring 22 , and the mounting ring 22 and the mounting seat 23 are installed in threaded cooperation, and the sealing ring 25 seals and protects the position of the mounting ring 22 .

[0042] In summary, the overall equipment is in use:

[0043] When in the overall assembled state, the sealing ring 25 is installed, the sealing ring 25 is installed corresponding to the groove 24, the mounting ring 22 is installed corresponding to the mounting seat 23, the mounting ring 22 and the mounting seat 23 are threadedly matched, the sealing gasket 19 is installed corresponding to the connecting flange 2, and the positioning rod 20 and the positioning hole 21 are matched for positioning.

[0044] When the rotating ring 3 is in the rotation adjustment state, grasp the limit ring 15, pull the limit rod 14 out of the limit hole 16, the guide ring 17 slides relative to the inside of the limit seat 13, squeezes the internal spring 18, the rotating ring 3 is rotated and adjusted relative to the connecting pipe 1, the clamping seat 10 guides and limits the rotation, after rotating to a suitable angle, release the limit ring 15, the spring 18 rebounds, and drives the limit rod 14 to insert into the limit hole 16.

[0045] When in the installation distance adjustment state, the installation sleeve 5 is slidably adjusted relative to the installation column 4, and the limit block 11 and the limit groove 12 cooperate to limit the sliding. After sliding to the appropriate position, the first locking hole 8 and the second locking hole 9 are aligned, and the bolts are passed through and tightened to fix. The installation hole 7 on the installation plate 6 cooperates with the external wall, and the bolts are passed through and tightened to fix.

[0046] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas pipeline docking and fixing device, comprising a connecting pipe (1), wherein the connecting pipe (1) is provided with connecting flanges (2) on both left and right sides of the outer end surface, wherein: The outer end surface of the connecting pipe (1) is symmetrically provided with a rotating ring (3), the outer ends of the two rotating rings (3) are each provided with a mounting column (4), the outer ends of the two mounting columns (4) are each slidably provided with a mounting sleeve (5), the outer ends of the two mounting sleeves (5) are each provided with a mounting plate (6), the mounting plate (6) is symmetrically provided with mounting holes (7), the two mounting sleeves (5) are each provided with a first locking hole (8), the two mounting columns (4) are each provided with a second locking hole (9) corresponding to the first locking hole (8), a plurality of the second locking holes (9) are arranged at intervals, the first locking hole (8) and the second locking hole (9) are connected by bolts, and the outer end surface of the connecting pipe (1) is each provided with a limiting mechanism corresponding to the two rotating rings (3).

2. A gas pipeline docking and fixing device according to claim 1, characterized in that: A holder (10) is provided on both left and right sides of the two rotating rings (3), and a plurality of the holders (10) are mounted on the connecting pipe (1).

3. A gas pipeline docking and fixing device according to claim 1, characterized in that: The two installation columns (4) are symmetrically provided with limit blocks (11), and the inner walls of the two installation sleeves (5) are provided with limit grooves (12) corresponding to the limit blocks (11).

4. A gas pipeline docking and fixing device according to claim 1, characterized in that: The two limiting mechanisms each comprise a limiting seat (13), a limiting rod (14) and a limiting ring (15); the limiting seat (13) is mounted on the connecting pipe (1); the limiting rod (14) is slidably mounted on the limiting seat (13); the limiting ring (15) is mounted on the outer end of the limiting rod (14); a limiting hole (16) is provided on the rotating ring (3) corresponding to the limiting rod (14); and a plurality of limiting holes (16) are provided in a circumferential direction.

5. A gas pipeline docking and fixing device according to claim 4, characterized in that: A plurality of the limiting rods (14) are each provided with a guide ring (17), the guide ring (17) being slidably mounted inside the limiting seat (13), and a spring (18) being connected between the guide ring (17) and the inner wall of the limiting seat (13).

6. A gas pipeline docking and fixing device according to claim 1, characterized in that: The outer ends of the two connecting flanges (2) are both provided with sealing pads (19), the sealing pads (19) are provided with positioning rods (20) in the circumferential direction, and the two connecting flanges (2) are both provided with positioning holes (21) corresponding to the plurality of positioning rods (20).

7. A gas pipeline docking and fixing device according to claim 1, characterized in that: The connecting tube (1) has detachable mounting rings (22) at both left and right ends, and mounting seats (23) are provided at both left and right ends corresponding to the mounting rings (22). The mounting rings (22) and the mounting seats (23) are threadedly connected.

8. A gas pipeline docking and fixing device according to claim 7, characterized in that: The outer end surfaces of the two mounting rings (22) are each provided with a groove (24), a plurality of the grooves (24) are arranged at intervals, and a sealing ring (25) is provided inside each of the plurality of grooves (24).

Images