Leakage alarm device for oil and gas transportation pipeline

Abstract

The utility model discloses an oil and gas transportation pipeline leakage alarm device, which belongs to the technical field of oil and gas transportation pipelines, and comprises an oil and gas pipeline, and a sealing assembly is arranged in a first detection cover; according to the oil-gas pipeline leakage detection device, through the arrangement of the cleaning assembly, when leakage detection needs to be carried out on a connector between two oil-gas pipelines, the first detection cover and the second detection cover are installed on the two oil-gas pipelines through fixing screws, and when a toothed belt makes contact with the oil-gas pipelines, the toothed belt drives a gear to rotate; meanwhile, a toothed belt extrudes a first telescopic spring in a first spring sleeve through a first wafer, a first threaded rod enables a threaded block to move through a thread, the threaded block drives a circular brush to clean the joint between the two oil and gas pipelines, and the joint between the two oil and gas pipelines is effectively cleaned; the leakage alarm detection effect is effectively improved, dust and stains are prevented from affecting leakage alarm detection of the oil and gas pipeline, and the step of manual cleaning is omitted.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil and gas transportation pipelines, and in particular relates to a leakage alarm device for oil and gas transportation pipelines. Background Art

[0002] Oil and gas pipelines are infrastructure used to transport crude oil, refined oil, natural gas and other hydrocarbons over long distances. These pipeline networks are usually made of high-strength steel, and are designed with considerations of pressure resistance, corrosion resistance and safety to ensure stable and efficient operation even under extreme environmental conditions. With economic development and changes in energy structure, the importance of oil and gas pipeline transportation has become increasingly prominent.

[0003] Nowadays, in the leakage alarm detection of oil and gas transportation pipelines, the dust and stains at the interface of the two oil and gas pipelines may not be cleaned well, which will affect the actual effect of the pipeline leakage alarm detection, resulting in difficulty in finding leakage problems, increasing the difficulty of detection work, reducing work efficiency, and being not conducive to the actual detection work. Therefore, a leakage alarm device for oil and gas transportation pipelines is proposed. Utility Model Content

[0004] The utility model aims to solve the problem that dust and stains may not be well cleaned at the interface of two oil and gas pipelines, thereby affecting the actual effect of pipeline leakage alarm detection, and proposes an oil and gas transportation pipeline leakage alarm device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an oil and gas transportation pipeline leakage alarm device, comprising an oil and gas pipeline, a first detection cover and a second detection cover are arranged on the outer wall of the oil and gas pipeline, a fixing screw is threadedly installed on the inner wall of the first detection cover, the first detection cover and the second detection cover are fixedly connected by the fixing screw, an alarm is arranged on the upper surface of the first detection cover, a cleaning component is arranged inside the first detection cover, and a sealing component is arranged inside the first detection cover;

[0006] The cleaning assembly comprises a fixing plate, the upper surface of which is fixedly connected to the inner wall of the top surface of the first detection cover, a rotating rod is rotatably mounted on the inner wall of the fixing plate, and a gear is fixedly mounted on the outer wall of the rotating rod.

[0007] As a further description of the above technical solution:

[0008] A first threaded rod is fixedly mounted on one end of the rotating rod, a threaded block is threadedly mounted on the outer wall of the first threaded rod, a circular brush is fixedly mounted on the lower surface of the threaded block, and the lower surface of the circular brush fits the outer wall of the oil and gas pipeline.

[0009] As a further description of the above technical solution:

[0010] A first spring sleeve is fixedly installed on the inner wall of the top surface of the first detection cover, a first telescopic spring is fixedly installed on the inner wall of the top surface of the first spring sleeve, a first disc is fixedly installed on one end of the first telescopic spring, a toothed belt is fixedly installed on the lower surface of the first disc, one end of the toothed belt extends to the outside of the lower surface of the first spring sleeve, and the toothed belt is meshingly connected with a gear.

[0011] As a further description of the above technical solution:

[0012] The sealing assembly comprises a second threaded rod, one end of which is fixedly connected to the other end of the rotating rod, and a second threaded sleeve is threadedly mounted on the outer wall of the second threaded rod.

[0013] As a further description of the above technical solution:

[0014] A limiting block is fixedly installed on the outer wall of the second threaded sleeve, a limiting rod is fixedly installed on the side wall of the fixed plate, the outer wall of the limiting rod is slidably connected to the inner wall of the limiting block, a second spring sleeve is fixedly installed on the inner wall of the top surface of the first detection cover, a second telescopic spring is fixedly installed on the inner wall of the top surface of the second spring sleeve, a second disc is fixedly installed on one end of the second telescopic spring, and a moving rod is fixedly installed on the lower surface of the second disc.

[0015] As a further description of the above technical solution:

[0016] One end of the moving rod extends to the outside of the lower surface of the second spring sleeve and is fixedly installed with a bracket, a resistance rod is fixedly installed on the side wall of the bracket, a circular ring pressure plate is fixedly installed on the lower surface of the bracket, and the lower surfaces of the first detection cover and the second detection cover are fixedly installed with rubber strips, and the lower surface of the circular ring pressure plate is fitted with the rubber strip, and a resistance block is fixedly installed on one end of the second threaded sleeve, one end of the resistance block is set to an inclined shape, and one end of the resistance block is fitted with the upper surface of the resistance rod.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] 1. In the utility model, a cleaning component is provided. When it is necessary to perform leakage detection on the interface between two oil and gas pipelines, the first detection cover and the second detection cover are installed on the two oil and gas pipelines by fixing screws. When the toothed belt contacts the oil and gas pipeline, the toothed belt drives the gear to rotate. At the same time, the toothed belt squeezes the first telescopic spring in the first spring sleeve through the first disc. The gear drives the rotating rod on the fixed plate to rotate. The rotating rod drives the first threaded rod to rotate. The first threaded rod moves the threaded block through the thread. The threaded block drives the annular brush to clean the interface between the two oil and gas pipelines, which effectively cleans the interface between the two oil and gas pipelines, effectively improves the effect of leakage alarm detection, avoids some dust and stains from affecting the leakage alarm detection of the oil and gas pipeline, and saves the steps of manual cleaning.

[0019] 2. In the utility model, a sealing assembly is provided, and the rotating rod drives the second threaded rod to rotate, and the second threaded rod causes the second threaded sleeve to move through the thread, and the second threaded sleeve drives the limit block to move on the limit rod, and the second threaded sleeve drives the resistance block to squeeze the resistance rod on the bracket, and the bracket drives the moving rod to move, and the moving rod squeezes the second telescopic spring in the second spring sleeve through the second disc, and the bracket presses the first detection cover and the second detection cover The rubber strips are pressed by the annular pressure plate to improve the sealing. When there is a leak, the alarm on the first detection cover will be triggered to sound an alarm, which effectively enhances the sealing effect of the device, avoids air leakage at the contact point, improves the sealing of the device, and improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The present invention is a three-dimensional structural schematic diagram of an oil and gas transportation pipeline leakage alarm device.

[0021] Figure 2 The figure is a schematic diagram of the internal structure of an oil and gas transportation pipeline leakage alarm device.

[0022] Figure 3 A leakage alarm device for oil and gas transportation pipeline Figure 2 Enlarged structural diagram at A in the middle.

[0023] Figure 4 This is a schematic diagram of the partial three-dimensional exploded structure of a sealing component of an oil and gas transportation pipeline leakage alarm device.

[0024] Legend:

[0025] 1. Oil and gas pipeline; 2. First detection cover; 3. Second detection cover; 4. Alarm; 5. Fixing screw; 6. Cleaning assembly; 61. Fixing plate; 62. Rotating rod; 63. First threaded rod; 64. Threaded block; 65. Annular brush; 66. Gear; 67. First spring sleeve; 68. First telescopic spring; 69. First disc; 610. Toothed belt; 7. Sealing assembly; 71. Second threaded rod; 72. Limiting block; 73. Limiting rod; 74. Second threaded sleeve; 75. Resistance block; 76. Second spring sleeve; 77. Second telescopic spring; 78. Second disc; 79. Moving rod; 710. Bracket; 711. Resistance rod; 712. Annular pressure plate; 713. Rubber strip. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] See also Figure 1-4 The utility model provides a technical solution: an oil and gas transportation pipeline leakage alarm device, comprising an oil and gas pipeline 1, a first detection cover 2 and a second detection cover 3 are arranged on the outer wall of the oil and gas pipeline 1, a fixing screw 5 is threadedly installed on the inner wall of the first detection cover 2, the first detection cover 2 and the second detection cover 3 are fixedly connected by the fixing screw 5, an alarm 4 is arranged on the upper surface of the first detection cover 2, a cleaning component 6 is arranged inside the first detection cover 2, and a sealing component 7 is arranged inside the first detection cover 2;

[0028] The cleaning assembly 6 includes a fixed plate 61, the upper surface of which is fixedly connected to the inner wall of the top surface of the first detection cover 2, a rotating rod 62 is rotatably installed on the inner wall of the fixed plate 61, a gear 66 is fixedly installed on the outer wall of the rotating rod 62, a first threaded rod 63 is fixedly installed on one end of the rotating rod 62, a threaded block 64 is threadedly installed on the outer wall of the first threaded rod 63, a circular ring brush 65 is fixedly installed on the lower surface of the threaded block 64, the lower surface of the circular ring brush 65 fits the outer wall of the oil and gas pipeline 1, a first spring sleeve 67 is fixedly installed on the inner wall of the top surface of the first detection cover 2, a first telescopic spring 68 is fixedly installed on the inner wall of the top surface of the first spring sleeve 67, a first disc 69 is fixedly installed on one end of the first telescopic spring 68, a toothed belt 610 is fixedly installed on the lower surface of the first disc 69, one end of the toothed belt 610 extends to the outside of the lower surface of the first spring sleeve 67, and the toothed belt 610 is meshed with the gear 66.

[0029] The specific implementation method is as follows: when it is necessary to perform leakage detection on the interface between two oil and gas pipelines 1, the first detection cover 2 and the second detection cover 3 are installed on the two oil and gas pipelines 1 through the fixing screws 5. When the toothed belt 610 contacts the oil and gas pipeline 1, the toothed belt 610 drives the gear 66 to rotate. At the same time, the toothed belt 610 squeezes the first telescopic spring 68 in the first spring sleeve 67 through the first disc 69. The gear 66 drives the rotating rod 62 on the fixed plate 61 to rotate, and the rotating rod 62 drives the first threaded rod 63 to rotate. The first threaded rod 63 moves the threaded block 64 through the thread, and the threaded block 64 drives the annular brush 65 to clean the interface between the two oil and gas pipelines 1.

[0030] The sealing assembly 7 includes a second threaded rod 71, one end of which is fixedly connected to the other end of the rotating rod 62, a second threaded sleeve 74 is threadedly installed on the outer wall of the second threaded rod 71, a limiting block 72 is fixedly installed on the outer wall of the second threaded sleeve 74, a limiting rod 73 is fixedly installed on the side wall of the fixed plate 61, the outer wall of the limiting rod 73 is slidably connected to the inner wall of the limiting block 72, a second spring sleeve 76 is fixedly installed on the inner wall of the top surface of the first detection cover 2, a second telescopic spring 77 is fixedly installed on the inner wall of the top surface of the second spring sleeve 76, a second disc 78 is fixedly installed on one end of the second telescopic spring 77, the A moving rod 79 is fixedly installed on the lower surface of the second disc 78, one end of the moving rod 79 extends to the outside of the lower surface of the second spring sleeve 76 and is fixedly installed with a bracket 710, a resistance rod 711 is fixedly installed on the side wall of the bracket 710, and a circular ring pressure plate 712 is fixedly installed on the lower surface of the bracket 710. The lower surfaces of the first detection cover 2 and the second detection cover 3 are fixedly installed with a rubber strip 713, and the lower surface of the circular ring pressure plate 712 is fitted with the rubber strip 713. A resistance block 75 is fixedly installed on one end of the second threaded sleeve 74, and one end of the resistance block 75 is set to be inclined, and one end of the resistance block 75 is fitted with the upper surface of the resistance rod 711.

[0031] The specific implementation method is as follows: the rotating rod 62 drives the second threaded rod 71 to rotate at the same time, the second threaded rod 71 moves the second threaded sleeve 74 through the thread, the second threaded sleeve 74 drives the limit block 72 to move on the limit rod 73, and the second threaded sleeve 74 drives the resistance block 75 to squeeze the resistance rod 711 on the bracket 710, and the bracket 710 drives the moving rod 79 to move, and the moving rod 79 squeezes the second telescopic spring 77 in the second spring sleeve 76 through the second disc 78, and the bracket 710 presses the rubber strip 713 on the first detection cover 2 and the second detection cover 3 through the annular pressure plate 712 to improve the sealing, and when there is a leakage, the alarm 4 on the first detection cover 2 will be triggered to alarm.

[0032] Working principle: When it is necessary to detect leakage at the interface between two oil and gas pipelines 1, the first detection cover 2 and the second detection cover 3 are installed on the two oil and gas pipelines 1 through the fixing screws 5. When the toothed belt 610 contacts the oil and gas pipeline 1, the toothed belt 610 drives the gear 66 to rotate. At the same time, the toothed belt 610 squeezes the first telescopic spring 68 in the first spring sleeve 67 through the first disc 69. The gear 66 drives the rotating rod 62 on the fixed plate 61 to rotate, and the rotating rod 62 drives the first threaded rod 63 to rotate. The first threaded rod 63 moves the threaded block 64 through the thread, and the threaded block 64 drives the annular brush 65 to clean the interface between the two oil and gas pipelines 1. The rotating rod 62 drives the second threaded rod 71 to rotate, and the second threaded rod 71 moves the second threaded sleeve 74 through the thread, and the second threaded sleeve 74 drives the limit block 72 to move on the limit rod 73. At the same time, the second threaded sleeve 74 drives the resistance block 75 to squeeze the resistance rod 711 on the bracket 710. At the same time, the bracket 710 drives the moving rod 79 to move, and the moving rod 79 squeezes the second telescopic spring 77 in the second spring sleeve 76 through the second disc 78. The bracket 710 presses the rubber strips 713 on the first detection cover 2 and the second detection cover 3 through the annular pressure plate 712 to improve the sealing. When there is a leakage, the alarm 4 on the first detection cover 2 will be triggered to alarm.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An oil and gas transportation pipeline leakage alarm device, characterized in that: The invention comprises an oil and gas pipeline (1), wherein a first detection cover (2) and a second detection cover (3) are arranged on the outer wall of the oil and gas pipeline (1), a fixing screw (5) is threadedly installed on the inner wall of the first detection cover (2), the first detection cover (2) and the second detection cover (3) are fixedly connected via the fixing screw (5), an alarm (4) is arranged on the upper surface of the first detection cover (2), a cleaning component (6) is arranged inside the first detection cover (2), and a sealing component (7) is arranged inside the first detection cover (2); The cleaning assembly (6) comprises a fixing plate (61), the upper surface of the fixing plate (61) being fixedly connected to the inner wall of the top surface of the first detection cover (2), a rotating rod (62) being rotatably mounted on the inner wall of the fixing plate (61), and a gear (66) being fixedly mounted on the outer wall of the rotating rod (62).

2. The oil and gas pipeline leakage alarm device according to claim 1 is characterized in that: A first threaded rod (63) is fixedly mounted on one end of the rotating rod (62); a threaded block (64) is threadedly mounted on the outer wall of the first threaded rod (63); a circular brush (65) is fixedly mounted on the lower surface of the threaded block (64); and the lower surface of the circular brush (65) is in contact with the outer wall of the oil and gas pipeline (1).

3. The oil and gas pipeline leakage alarm device according to claim 2 is characterized in that: A first spring sleeve (67) is fixedly mounted on the inner wall of the top surface of the first detection cover (2); a first telescopic spring (68) is fixedly mounted on the inner wall of the top surface of the first spring sleeve (67); a first disc (69) is fixedly mounted on one end of the first telescopic spring (68); a toothed belt (610) is fixedly mounted on the lower surface of the first disc (69); one end of the toothed belt (610) extends to the outside of the lower surface of the first spring sleeve (67); and the toothed belt (610) is meshingly connected to the gear (66).

4. The oil and gas pipeline leakage alarm device according to claim 3 is characterized in that: The sealing assembly (7) comprises a second threaded rod (71), one end of the second threaded rod (71) being fixedly connected to the other end of the rotating rod (62), and a second threaded sleeve (74) being threadedly mounted on the outer wall of the second threaded rod (71).

5. The oil and gas pipeline leakage alarm device according to claim 4 is characterized in that: A limit block (72) is fixedly mounted on the outer wall of the second threaded sleeve (74), a limit rod (73) is fixedly mounted on the side wall of the fixed plate (61), the outer wall of the limit rod (73) is slidably connected to the inner wall of the limit block (72), a second spring sleeve (76) is fixedly mounted on the inner wall of the top surface of the first detection cover (2), a second telescopic spring (77) is fixedly mounted on the inner wall of the top surface of the second spring sleeve (76), a second disc (78) is fixedly mounted on one end of the second telescopic spring (77), and a moving rod (79) is fixedly mounted on the lower surface of the second disc (78).

6. The oil and gas pipeline leakage alarm device according to claim 5 is characterized in that: One end of the moving rod (79) extends to the outside of the lower surface of the second spring sleeve (76) and is fixedly mounted with a bracket (710); a resistance rod (711) is fixedly mounted on the side wall of the bracket (710); a circular ring pressure plate (712) is fixedly mounted on the lower surface of the bracket (710); a rubber strip (713) is fixedly mounted on the lower surfaces of the first detection cover (2) and the second detection cover (3); the lower surface of the circular ring pressure plate (712) is in contact with the rubber strip (713); a resistance block (75) is fixedly mounted on one end of the second threaded sleeve (74); one end of the resistance block (75) is arranged to be inclined; one end of the resistance block (75) is in contact with the upper surface of the resistance rod (711).

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