Natural gas pipeline transportation leakproof connector assembly

Abstract

The utility model belongs to the technical field of natural gas pipelines, and particularly relates to a natural gas pipeline transportation leakproof connector assembly which comprises a main pipe, an auxiliary pipe and a fixing device, the auxiliary pipe is located on the side wall of the main pipe, and a sealing ring is inserted in the position between the main pipe and the auxiliary pipe. Fixing devices are arranged on the surfaces of the main pipe and the auxiliary pipe and comprise two fixing rings, the two fixing rings are located on the surface of the main pipe, the surfaces of the fixing rings are rotationally connected with rotating frames, the inner walls of the rotating frames are in threaded connection with threaded rods, the side walls of the threaded rods are rotationally connected with ejector blocks, and protection devices are arranged on the surfaces of the main pipe and the auxiliary pipe. The protection device comprises two protection covers, the surfaces of the main pipe and the auxiliary pipe are sleeved with the two protection covers, and the surfaces of the protection covers are fixedly connected with two clamping plates; by arranging the whole device, the main pipe and the auxiliary pipe can be fixed together, meanwhile, when the air temperature changes, the threaded rod can be operated to enable the main pipe and the auxiliary pipe to tightly press the sealing ring, and the leakage condition is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline transportation anti-leakage interface component. Background Art

[0002] A natural gas pipeline refers to a pipeline that transports natural gas (including associated gas produced in oil fields) from the mining site or processing plant to the urban gas distribution center or industrial enterprise users. It is also called a gas transmission pipeline. The use of natural gas pipelines to transport natural gas is a way to transport large quantities of natural gas on land. Natural gas pipeline transportation has the advantages of low transportation costs, small footprint, fast construction, large oil and gas transportation volume, and high safety performance.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when using a natural gas pipeline, when the pipelines need to be spliced ​​together, a sealing ring is set between the two pipelines during the splicing in order to increase the sealing performance. Due to the characteristics of the sealing ring itself, the sealing performance of the sealing ring is prone to deterioration when the temperature changes greatly. Therefore, in response to the above-mentioned problem, a natural gas pipeline transportation anti-leakage interface component is proposed. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows: a natural gas pipeline transportation anti-leakage interface component described in the utility model comprises a main pipe, a sub-pipe and a fixing device, the sub-pipe is located on the side wall of the main pipe, and a sealing ring is inserted at a position between the main pipe and the sub-pipe; the surfaces of the main pipe and the sub-pipe are provided with fixing devices, the fixing devices comprise two fixing rings, the two fixing rings are located on the surface of the main pipe, the surfaces of the fixing rings are rotatably connected with a rotating frame, the inner wall of the rotating frame is threadedly connected with a threaded rod, the side wall of the threaded rod is rotatably connected with a top block, the top block is located on the surface of the sub-pipe, the threaded rod is rotated to rotate the threaded rod on the inner wall of the rotating frame, the threaded rod will drive the top block to move, and the top block is pressed against the surface of the sub-pipe, and the position between the main pipe and the sub-pipe can be limited by arranging the fixing ring, the rotating frame, the threaded rod and the top block, while the main pipe and the sub-pipe can be squeezed on the surface of the sealing ring.

[0006] Preferably, a storage block is fixedly connected to the surface of the secondary pipe near the top block, and the top block is inserted into the inner wall of the storage block. When the top block moves, the top block will be inserted into the inner wall of the storage block. The setting of the storage block can limit the position and angle of the top block.

[0007] Preferably, two fixing blocks are fixedly connected to the surface of the main pipe, and a plug is fixedly connected to the surface of the fixing ring near the fixing block. The plug is inserted into the inner wall of the fixing block, and the position of the fixing ring can be limited by setting the fixing block and the plug.

[0008] Preferably, the inner walls of the fixing block and the plug column are threadedly connected with positioning pins. After the plug column is inserted into the inner wall of the fixing block, the positioning pins are rotated to the inner walls of the fixing block and the plug column, and the positioning pins can limit the position of the plug column in the fixing block.

[0009] Preferably, one end of the threaded rod away from the top block is fixedly connected with a knob. When the threaded rod needs to be rotated, the knob is pushed to allow the knob to drive the threaded rod to rotate. The setting of the knob can drive the threaded rod to rotate.

[0010] Preferably, the surfaces of the main pipe and the auxiliary pipe are provided with a protective device, the protective device comprises two shields, the two shields are sleeved on the surfaces of the main pipe and the auxiliary pipe, the surfaces of the shields are fixedly connected to two clamping plates, and two clamping plates close to each other form a group, and the surface of each group of clamping plates is sleeved with a limit plate, after the main pipe and the auxiliary pipe are fixed together, the shields are pushed so that the two shields are sleeved on the surfaces of the main pipe and the auxiliary pipe, and the setting of the shields can protect the connection between the main pipe and the auxiliary pipe.

[0011] Preferably, the side walls of the card plate are fixedly connected to limit strips near the upper and lower ends of the limit plate, and the inner wall of the limit plate is threadedly connected to the limit pin, and the limit pin is located on the side walls of the two card plates. The limit pin is rotated to the inner wall of the limit plate, and the position of the limit plate on the surface of the card plate can be limited by setting the limit strip and the limit pin.

[0012] The utility model is beneficial in that:

[0013] 1. When the utility model needs to use the main pipe and the auxiliary pipe, the main pipe and the auxiliary pipe are fitted with the sealing ring, and then the plug column is aligned with the fixed block, and then the fixed ring is pushed to allow the fixed ring to drive the plug column to slide, and the plug column is inserted into the inner wall of the fixed block, and then the positioning pin is rotated to the inner wall of the fixed block and the plug column, and then the rotating frame is pushed to allow the rotating frame to rotate on the surface of the fixed ring. After the rotating frame is rotated to a suitable angle, the knob is turned to allow the knob to drive the threaded rod to rotate, and the threaded rod rotates on the inner wall of the rotating frame. The threaded rod drives the top block to move, and the top block angle is maintained during the movement of the top block. The top block will be inserted into the inner wall of the storage block, and the main pipe and the auxiliary pipe will be squeezed on the surface of the sealing ring. By setting the entire device, the main pipe and the auxiliary pipe can be fixed together. At the same time, when the temperature changes, the threaded rod can also be operated to allow the main pipe and the auxiliary pipe to press the sealing ring to reduce leakage.

[0014] 2. After the fixing device, the main pipe and the auxiliary pipe are installed, the protective cover and the auxiliary cover are put on the surface of the main pipe and the auxiliary pipe, and the main cover and the auxiliary cover are also put on the surface of the fixing device, and then the limit plate is pushed to move the limit plate to the surface of the card plate, and the limit plate will also move to the position between the two limit strips. After the limit plate fits the card plate, the limit pin is rotated to the inner wall of the limit plate. By setting the entire device, the connection between the main pipe and the auxiliary pipe can be protected, and the fixing device can be reduced from being damaged by bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a secondary pipe in a natural gas pipeline transportation anti-leakage interface assembly;

[0017] Figure 2 It is a side view structural schematic diagram of a main pipe in a natural gas pipeline transportation anti-leakage interface assembly;

[0018] Figure 3 It is a side view structural schematic diagram of a sealing ring in a leak-proof interface assembly for natural gas pipeline transportation;

[0019] Figure 4 It is a side view structural schematic diagram of a protective cover in a natural gas pipeline transportation anti-leakage interface assembly;

[0020] Figure 5 A leak-proof interface component for natural gas pipeline transportation Figure 4 Schematic diagram of the structure at point A.

[0021] In the figure: 1. main pipe; 2. auxiliary pipe; 3. sealing ring; 4. fixing device; 41. fixing ring; 42. rotating frame; 43. threaded rod; 44. top block; 45. storage block; 46. fixing block; 47. plug column; 48. positioning pin; 49. knob; 5. protective device; 51. protective cover; 52. clamping plate; 53. limit plate; 54. limit strip; 55. limit pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 As shown, a natural gas pipeline transportation anti-leakage interface assembly comprises a main pipe 1, a secondary pipe 2 and a fixing device 4, wherein the secondary pipe 2 is located on the side wall of the main pipe 1, and a sealing ring 3 is inserted between the main pipe 1 and the secondary pipe 2; the surfaces of the main pipe 1 and the secondary pipe 2 are provided with a fixing device 4, wherein the fixing device 4 comprises two fixing rings 41, wherein the two fixing rings 41 are located on the surface of the main pipe 1, wherein the surfaces of the fixing rings 41 are rotatably connected with a rotating frame 42, wherein the inner wall of the rotating frame 42 is threadedly connected with a threaded rod 43, wherein the side wall of the threaded rod 43 is rotatably connected with a top block 44, wherein the top block 44 is located on the surface of the secondary pipe 2; working When the sealing ring 3 is placed between the main pipe 1 and the auxiliary pipe 2, the fixing ring 41 is made to fit the main pipe 1, and the rotating frame 42 is pushed to rotate on the surface of the fixing ring 41. The rotating frame 42 drives the threaded rod 43 to rotate. After the threaded rod 43 rotates to a suitable angle, the threaded rod 43 is rotated to rotate on the inner wall of the rotating frame 42. The threaded rod 43 drives the top block 44 to move. The top block 44 is pressed against the surface of the auxiliary pipe 2. By arranging the fixing ring 41, the rotating frame 42, the threaded rod 43 and the top block 44, the position between the main pipe 1 and the auxiliary pipe 2 can be limited, and the main pipe 1 and the auxiliary pipe 2 can be squeezed on the surface of the sealing ring 3.

[0024] A storage block 45 is fixedly connected to the surface of the auxiliary pipe 2 near the top block 44, and the top block 44 is inserted into the inner wall of the storage block 45; when working, the top block 44 will be inserted into the inner wall of the storage block 45, and the setting of the storage block 45 can limit the position and angle of the top block 44.

[0025] Two fixing blocks 46 are fixedly connected to the surface of the main pipe 1, and a plug post 47 is fixedly connected to the surface of the fixing ring 41 near the fixing block 46, and the plug post 47 is inserted into the inner wall of the fixing block 46; when working, the fixing ring 41 drives the plug post 47 to slide, and the plug post 47 is inserted into the inner wall of the fixing block 46. By setting the fixing block 46 and the plug post 47, the position of the fixing ring 41 can be limited.

[0026] The inner walls of the fixing block 46 and the plug post 47 are threadedly connected with a positioning pin 48 ; during operation, the positioning pin 48 is rotated to the inner walls of the fixing block 46 and the plug post 47 , and the positioning pin 48 can limit the position of the plug post 47 in the fixing block 46 .

[0027] One end of the threaded rod 43 away from the top block 44 is fixedly connected with a knob 49; when working, the knob 49 is pushed to allow the knob 49 to drive the threaded rod 43 to rotate. The setting of the knob 49 can drive the threaded rod 43 to rotate.

[0028] The surfaces of the main pipe 1 and the auxiliary pipe 2 are provided with a protective device 5, and the protective device 5 includes two protective covers 51, and the two protective covers 51 are sleeved on the surfaces of the main pipe 1 and the auxiliary pipe 2. Two clamping plates 52 are fixedly connected to the surfaces of the protective covers 51, and two clamping plates 52 close to each other form a group, and the surface of each group of the clamping plates 52 is sleeved with a limiting plate 53; when working, the protective covers 51 are pushed to make the two protective covers 51 sleeved on the surfaces of the main pipe 1 and the auxiliary pipe 2, and then the limiting plate 53 is pushed to make the limiting plate 53 sleeved on the surface of the clamping plate 52. The setting of the protective covers 51 can protect the connection between the main pipe 1 and the auxiliary pipe 2.

[0029] The side walls of the clamping plate 52 are fixedly connected to the limit strips 54 near the upper and lower ends of the limit plate 53, and the inner wall of the limit plate 53 is threadedly connected to the limit pin 55, and the limit pin 55 is located on the side walls of the two clamping plates 52; when working, after the limit plate 53 is attached to the clamping plate 52, the limit pin 55 is rotated to the inner wall of the limit plate 53, and the position of the limit plate 53 on the surface of the clamping plate 52 can be limited by setting the limit strips 54 and the limit pin 55.

[0030] Working principle: when the main pipe 1 and the auxiliary pipe 2 are needed, the main pipe 1 and the auxiliary pipe 2 are fitted with the sealing ring 3, and then the plug 47 is aligned with the fixed block 46, and then the fixed ring 41 is pushed to make the fixed ring 41 drive the plug 47 to slide, and the plug 47 is inserted into the inner wall of the fixed block 46, and then the positioning pin 48 is rotated to the inner wall of the fixed block 46 and the plug 47, and then the rotating frame 42 is pushed to make the rotating frame 42 rotate on the surface of the fixed ring 41. After the rotating frame 42 is rotated to a suitable angle, the knob 49 is turned to make the knob 49 drive the threaded rod 43 to rotate, and the threaded rod 43 rotates on the inner wall of the rotating frame 42, and the threaded rod 43 drives the top block 44 to move. During the movement of the top block 44, the angle of the top block 44 is maintained, and the top block 44 will be inserted into the inner wall of the storage block 45, and the main pipe 1 and the auxiliary pipe 2 will be squeezed on the sealing ring 3 The surface of the main pipe 1 and the auxiliary pipe 2 can be fixed together by setting the whole device. At the same time, when the temperature changes, the threaded rod 43 can be operated to allow the main pipe 1 and the auxiliary pipe 2 to press the sealing ring 3 to reduce leakage; after the fixing device 4, the main pipe 1 and the auxiliary pipe 2 are installed, the protective cover 51 and the auxiliary cover are put on the surface of the main pipe 1 and the auxiliary pipe 2, and the main cover and the auxiliary cover are also put on the surface of the fixing device 4, and then the limit plate 53 is pushed to move the limit plate 53 to the surface of the card plate 52, and the limit plate 53 will also move to the position between the two limit strips 54. After the limit plate 53 is attached to the card plate 52, the limit pin 55 is rotated to the inner wall of the limit plate 53. By setting the whole device, the connection between the main pipe 1 and the auxiliary pipe 2 can be protected, and the fixing device 4 can be reduced from being damaged by collision.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A natural gas pipeline transportation anti-leakage interface assembly, comprising a main pipe (1), a secondary pipe (2) and a fixing device (4), wherein the secondary pipe (2) is located on the side wall of the main pipe (1), and a sealing ring (3) is inserted between the main pipe (1) and the secondary pipe (2); characterized in that: The surfaces of the main pipe (1) and the auxiliary pipe (2) are provided with fixing devices (4), the fixing devices (4) comprising two fixing rings (41), the two fixing rings (41) being located on the surface of the main pipe (1), the surfaces of the fixing rings (41) being rotatably connected to a rotating frame (42), the inner wall of the rotating frame (42) being threadedly connected to a threaded rod (43), the side wall of the threaded rod (43) being rotatably connected to a top block (44), the top block (44) being located on the surface of the auxiliary pipe (2).

2. A natural gas pipeline transportation anti-leakage interface assembly according to claim 1, characterized in that: A storage block (45) is fixedly connected to a position of the surface of the secondary pipe (2) close to the top block (44), and the top block (44) is inserted into the inner wall of the storage block (45).

3. The anti-leakage interface assembly for natural gas pipeline transportation according to claim 1, characterized in that: Two fixing blocks (46) are fixedly connected to the surface of the main pipe (1), and a plug post (47) is fixedly connected to the surface of the fixing ring (41) near the fixing block (46), and the plug post (47) is inserted into the inner wall of the fixing block (46).

4. A natural gas pipeline transportation anti-leakage interface assembly according to claim 3, characterized in that: The inner walls of the fixing block (46) and the plug post (47) are threadedly connected with positioning pins (48).

5. The anti-leakage interface assembly for natural gas pipeline transportation according to claim 1, characterized in that: One end of the threaded rod (43) away from the top block (44) is fixedly connected with a knob (49).

6. The anti-leakage interface assembly for natural gas pipeline transportation according to claim 1, characterized in that: The surfaces of the main pipe (1) and the auxiliary pipe (2) are provided with a protective device (5), the protective device (5) comprising two protective covers (51), the two protective covers (51) being sleeved on the surfaces of the main pipe (1) and the auxiliary pipe (2), the surfaces of the protective covers (51) being fixedly connected with two clamping plates (52), and two clamping plates (52) close to each other forming a group, and the surface of each group of the clamping plates (52) being sleeved with a limiting plate (53).

7. A natural gas pipeline transportation anti-leakage interface assembly according to claim 6, characterized in that: The side walls of the clamping plate (52) are fixedly connected to the limiting strips (54) at positions near the upper and lower ends of the limiting plate (53), and the inner wall of the limiting plate (53) is threadedly connected to the limiting pin (55), and the limiting pin (55) is located on the side walls of the two clamping plates (52).

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