Safety detection device for crude oil conveying pipeline

Abstract

The utility model discloses a safety detection device for a crude oil conveying pipeline, which comprises a fixed frame, and an air cylinder is fixedly arranged on the upper side in the fixed frame; the mounting rod is movably mounted on the outer side of the mounting plate, a connecting block is movably connected to the inner side of the mounting rod, a first fixing ring is fixedly mounted on the inner side of the lower end of the connecting block, and a scraping structure is movably connected to the interior of the first fixing ring; the first fixing plate is fixedly mounted on the right side of the lower end of the first fixing ring, a second fixing plate is fixedly mounted on the left side of the lower end of the first fixing ring, a movable block is movably connected to the middle of the first fixing plate, a second fixing ring is fixedly mounted on the left side of the lower end of the movable block, and a fixing block is fixedly mounted on the upper side of the left end of the second fixing ring. According to the safety detection device for the crude oil conveying pipeline, a detection structure can be conveniently installed and replaced, substances on the outer side of the crude oil conveying pipeline can be conveniently removed, and a detection fixing ring can be conveniently positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of safety detection of crude oil pipelines, in particular to a safety detection device for crude oil pipelines. Background Art

[0002] Crude oil pipeline safety detection device refers to a device that performs a series of tests and monitoring on crude oil pipelines to ensure their safe and reliable operation. It mainly includes physical testing, chemical testing and leak detection. During the use of crude oil pipeline safety detection device, an installation structure is required to improve the use effect of crude oil pipeline safety detection device, such as:

[0003] Chinese patent authorization announcement number CN217714302U discloses a non-destructive testing device for crude oil pipelines that is easy to install, including an upper bracket, a lifting component fixedly connected to the top of the upper bracket, a lifting plate fixedly connected to the bottom of the lifting component, a signal transmitting end and a signal recovery end fixedly connected to the bottom of the lifting plate, a coil box fixedly connected to the bottom of the signal transmitting end and the signal recovery end, the lifting component including a lifting shell, a lifting motor, a connecting rod and a double-headed screw rod, the lifting shell is fixedly connected to the top of the upper bracket, one end of the lifting motor is fixedly connected to the lifting shell, the power output end of the lifting shell is fixedly connected to the double-headed screw rod, both ends of the double-headed screw rod are transmission-connected to the connecting rod, and the connecting rod is slidably connected to the top of the lifting plate. It has the advantage that when testing, only the signal transmitting end, the signal recovery end and the coil box need to be placed on the ground above the pipeline, and the internal thickness of the pipeline can be detected by ground electrical measurement method, and the normal operation of the pipeline will not be affected during testing.

[0004] The above-mentioned prior art solutions have the following defects:

[0005] 1. When installing the nondestructive testing structure, the nondestructive testing structure is installed and replaced by rotating the rotating bracket. In actual use, the nondestructive testing structure is installed and replaced only by rotating the rotating bracket, and the fixation of the nondestructive testing structure is poor;

[0006] 2. Ordinary safety detection devices are not effective in removing materials on the outside of the pipeline, thus affecting the non-destructive testing results;

[0007] 3. The positioning of the fixing ring is not convenient enough. Therefore, the present invention provides a crude oil pipeline safety detection device to solve the above-mentioned problem. Utility Model Content

[0008] The purpose of the present utility model is to provide a safety detection device for crude oil transportation pipelines, so as to solve the problems in the above-mentioned background technology that when installing a non-destructive testing structure, the non-destructive testing structure is installed and replaced by rotating a rotating bracket. In the actual use process, only by rotating the rotating bracket to install and replace the non-destructive testing structure, its fixing property for the non-destructive testing structure is poor, the ordinary safety detection device has a poor effect on removing substances outside the pipeline, thus affecting the non-destructive testing results, and the positioning of the fixing ring is not convenient enough.

[0009] To achieve the above purpose, the present utility model provides the following technical solution: A safety detection device for crude oil transportation pipelines, including a fixing frame, with a cylinder fixedly arranged on the upper side inside it, and an installation plate fixedly installed at the lower end of the cylinder;

[0010] It further includes:

[0011] An installation rod, which is movably installed outside the installation plate, and the inner side of the installation rod is movably connected with an engagement block. The inner side of the lower end of the engagement block is fixedly installed with a first fixing ring, and a scraping structure is movably connected inside the first fixing ring;

[0012] A first fixing plate, which is fixedly installed on the right side of the lower end of the first fixing ring, and a second fixing plate is fixedly installed on the left side of the lower end of the first fixing ring. The middle part of the first fixing plate is movably connected with a movable block, and the left side of the lower end of the movable block is fixedly installed with a second fixing ring. The upper left side of the left end of the second fixing ring is fixedly installed with a fixing block, and the upper end of the fixing block is fixedly installed with a connecting block. And the left side of the middle part of the connecting block is movably connected with a fixing rod. A transverse wave flaw detector is arranged on the left side of the middle part of the second fixing ring, and a surface wave flaw detector is arranged on the right side of the middle part of the second fixing ring. A positioning support plate is fixedly installed on the outer side of the middle part of the second fixing ring, and the upper side of the positioning support plate is movably connected with a conveying pipeline body.

[0013] Preferably, the scraping structure includes an installation block, which is movably installed inside the first fixing ring. The lower side of the rear end of the installation block is provided with a storage battery, and a motor is fixedly arranged at the rear side inside the installation block. And a connecting wheel is fixedly installed on the front side of the motor. The middle part of the lower end of the installation block is fixedly installed with an electric telescopic rod, and a scraping plate is fixedly installed at the lower end of the electric telescopic rod.

[0014] Preferably, the connecting wheel is connected with the first fixing ring in a meshing manner, and the connecting wheel is connected with the installation block in a rotating manner.

[0015] Preferably, the scraping plate is connected with the conveying pipeline body in a fitting manner and plays a role in scraping impurities outside the conveying pipeline body.

[0016] Preferably, the movable block is rotatably connected to the first fixing plate, and the vertical cross-sectional shape of the movable block is an "L" shaped structure.

[0017] Preferably, the connecting block is snap-connected to the second fixing plate, and the connecting block is threadedly connected to the fixing rod.

[0018] Preferably, the mounting rod is threadedly connected to the connecting block, and the connecting blocks are symmetrically distributed before and after the center line of the mounting plate.

[0019] Preferably, the connecting block is snap-connected to the mounting plate, and the vertical cross-sectional shape of the connecting block is an "L" shaped structure.

[0020] Compared with the prior art, the beneficial effects of the present utility model are: the safety detection device for the crude oil transportation pipeline is convenient for installing and replacing the detection structure, convenient for removing substances outside the crude oil transportation pipeline, and convenient for positioning the detection fixing ring;

[0021] 1. By placing the first fixing ring under the mounting plate, the first fixing ring drives the connecting block to be snap-connected to the outer side of the lower end of the mounting plate, and rotating the mounting rod, the mounting rod is threadedly connected to the outer side of the mounting plate, so that the mounting rod is threadedly connected to the outer side of the upper end of the connecting block, which is convenient for installing and replacing detection structures such as the first fixing ring;

[0022] 2. By rotating the second fixing ring, the second fixing ring drives the movable block to rotate inside the first fixing plate, so that the second fixing ring drives the fixing block to rotate, and further the fixing block drives the connecting block to rotate and snap-connect to the inside of the second fixing plate, so that the second fixing ring drives the positioning support plate to contact the conveying pipeline body. Rotating the fixing rod, the fixing rod is threadedly connected to the left side of the middle of the second fixing plate, so that the fixing rod is threadedly connected to the outer side of the middle of the connecting block, and then the scraper and the positioning support plate clamp the outer side of the conveying pipeline body, which is convenient for positioning the first fixing ring and the second fixing ring;

[0023] 3. After the storage battery provides power to the electric telescopic rod to start the electric telescopic rod, the electric telescopic rod drives the scraper to slide downward to contact the upper side of the conveying pipeline body, and then the storage battery provides power to start the motor. The storage battery drives the connecting wheel to rotate inside the mounting block, so that the connecting wheel is meshed and connected to the inside of the first fixing ring and the second fixing ring respectively, and further the connecting wheel drives the mounting block to rotate inside the first fixing ring and the second fixing ring respectively, so that the mounting block drives the scraper to rotate on the outer side of the conveying pipeline body, so that the scraper removes substances on the outer side of the conveying pipeline body, which is convenient for removing substances on the outer side of the conveying pipeline body. Description of the Drawings

[0024] Figure 1 This is a schematic cross-sectional view of the overall structure of the fixing bracket and the cylinder of the present utility model;

[0025] Figure 2 For the present utility model Figure 1 Schematic enlarged view of the structure at position A in the present utility model;

[0026] Figure 3 For the present utility model Figure 1 Schematic enlarged view of the structure at position B in the present utility model;

[0027] Figure 4 For the present utility model Figure 1 Schematic enlarged view of the structure at position C in the present utility model;

[0028] Figure 5 This is a schematic cross-sectional view of the overall structure of the connection between the cylinder and the mounting plate of the present utility model;

[0029] Figure 6 For the present utility model Figure 5 Schematic enlarged view of the structure at position D in the present utility model;

[0030] Figure 7 This is an exploded view of the connection between the first fixing ring and the second fixing ring of the present utility model.

[0031] In the figure: 1, fixing bracket; 2, cylinder; 3, mounting plate; 4, first fixing ring; 5, first fixing plate; 6, second fixing ring; 7, conveying pipeline body; 8, connecting wheel; 9, mounting block; 10, electric telescopic rod; 11, scraping plate; 12, movable block; 13, fixed block; 14, second fixing plate; 15, connecting block; 16, fixed rod; 17, positioning support plate; 18, mounting rod; 19, connecting block; 20, motor; 21, storage battery; 22, surface wave flaw detector; 23, shear wave flaw detector. Detailed Embodiments

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] Please refer to Figure 1-7, the present utility model provides a technical solution: a safety detection device for an oil transportation pipeline, including that a cylinder 2 is fixedly arranged on the upper side inside a fixed frame 1, and a mounting plate 3 is fixedly installed at the lower end of the cylinder 2. An installation rod 18 is movably installed outside the mounting plate 3, and the inner side of the installation rod 18 is movably connected with an adapter block 19. A first fixing ring 4 is fixedly installed inside the lower end of the adapter block 19, and a scraping structure is movably connected inside the first fixing ring 4. Place the first fixing ring 4 under the mounting plate 3, so that the first fixing ring 4 drives the adapter block 19 to be connected to the outer side of the lower end of the mounting plate 3. Rotate the installation rod 18 to connect the installation rod 18 to the outer side of the mounting plate 3, so that the installation rod 18 is connected to the outer side of the upper end of the adapter block 19, facilitating the installation and replacement of detection structures such as the first fixing ring 4. Start the cylinder 2 to drive the mounting plate 3 to slide downward inside the fixed frame 1, so that the mounting plate 3 drives the first fixing ring 4 to slide downward, and further the first fixing ring 4 drives the scraping structure to contact the upper side of the pipeline body 7. Start the scraping structure to remove the substances on the outer side of the pipeline body 7, facilitating the removal of the substances on the outer side of the pipeline body 7;

[0034] A first fixing plate 5 is fixedly installed on the right side of the lower end of the first fixing ring 4, and a second fixing plate 14 is fixedly installed on the left side of the lower end of the first fixing ring 4. A movable block 12 is movably connected to the middle of the first fixing plate 5, and a second fixing ring 6 is fixedly installed on the left side of the lower end of the movable block 12. A fixing block 13 is fixedly installed on the upper left side of the second fixing ring 6, and a connecting block 15 is fixedly installed at the upper end of the fixing block 13. And the left side of the middle of the connecting block 15 is movably connected with a fixing rod 16. A shear wave flaw detector 23 is arranged on the left side of the middle of the second fixing ring 6, and a surface wave flaw detector 22 is arranged on the right side of the middle of the second fixing ring 6. A positioning support plate 17 is fixedly installed on the outer side of the middle of the second fixing ring 6, and the upper side of the positioning support plate 17 is movably connected with a pipeline body 7. Rotate the second fixing ring 6 to drive the movable block 12 to rotate inside the first fixing plate 5, so that the second fixing ring 6 drives the fixing block 13 to rotate, and further the fixing block 13 drives the connecting block 15 to rotate and engage with the inside of the second fixing plate 14, so that the second fixing ring 6 drives the positioning support plate 17 to contact the pipeline body 7. Rotate the fixing rod 16 to threadedly connect the fixing rod 16 to the left side of the middle of the second fixing plate 14, so that the fixing rod 16 is threadedly connected to the outer side of the middle of the connecting block 15, and then clamp the pipeline body 7 through a scraping plate 11 and the positioning support plate 17, facilitating the positioning of the first fixing ring 4 and the second fixing ring 6. Then, through the surface wave flaw detector 22 and the shear wave flaw detector 23 arranged on the middle side of the second fixing ring 6, it is convenient to perform non-destructive testing on the pipeline body 7.

[0035] When using the safety detection device for the crude oil pipeline, specifically, such as Figure 1 , Figure 5 and Figure 6 , place the first fixing ring 4 on the lower side of the mounting plate 3. The connecting block 19 is connected to the mounting plate 3 in a clamping manner, and the vertical cross-sectional shape of the connecting block 19 is an "L" - shaped structure, so that the first fixing ring 4 drives the connecting block 19 to be clamped and connected to the outer side of the lower end of the mounting plate 3. The mounting rod 18 is connected to the connecting block 19 in a threaded manner, and the connecting blocks 19 are symmetrically distributed about the center line of the mounting plate 3. Rotate the mounting rod 18 so that the mounting rod 18 is threadedly connected to the outer side of the mounting plate 3, and thus the mounting rod 18 is threadedly connected to the outer side of the upper end of the connecting block 19, which facilitates the installation and replacement of detection structures such as the first fixing ring 4;

[0036] Specifically, such as Figure 3 , Figure 4 and Figure 7 , start the cylinder 2. The scraper 11 is connected to the outer wall of the pipeline body 7 in a fitting manner and scrapes the impurities on the outer side of the pipeline body 7. The cylinder 2 drives the mounting plate 3 to slide downward inside the fixing frame 1, so that the mounting plate 3 drives the first fixing ring 4 to slide downward, and further the first fixing ring 4 drives the scraper 11 to contact the upper side of the pipeline body 7. The movable block 12 is connected to the first fixing plate 5 in a rotatable manner, and the vertical cross-sectional shape of the movable block 12 is an "L" - shaped structure. Rotate the second fixing ring 6, so that the second fixing ring 6 drives the movable block 12 to rotate inside the first fixing plate 5, and thus the second fixing ring 6 drives the fixing block 13 to rotate, and further the fixing block 13 drives the connecting block 15 to rotate and be clamped and connected inside the second fixing plate 14, so that the second fixing ring 6 drives the positioning support plate 17 to contact the pipeline body 7. The connecting block 15 is connected to the second fixing plate 14 in a clamping manner, and the connecting block 15 is connected to the fixing rod 16 in a threaded manner. Rotate the fixing rod 16, so that the fixing rod 16 is threadedly connected to the left middle part of the second fixing plate 14, and thus the fixing rod 16 is threadedly connected to the outer side of the middle part of the connecting block 15. Then, the pipeline body 7 is clamped by the scraper 11 and the positioning support plate 17, which facilitates the positioning of the first fixing ring 4 and the second fixing ring 6;

[0037] Specifically, such as Figure 2 , Figure 6 and Figure 7In this case, after the storage battery 21 provides power to the electric telescopic rod 10 to start the electric telescopic rod 10, the electric telescopic rod 10 drives the scraper 11 to slide downward to contact the upper side of the conveying pipeline body 7. The connection wheel 8 and the first fixing ring 4 are connected in a meshing manner, and the connection wheel 8 and the mounting block 9 are connected in a rotatable manner. Then, the storage battery 21 provides power to start the motor 20, so that the motor 20 drives the connection wheel 8 to rotate inside the mounting block 9, so that the connection wheel 8 is respectively meshed and connected inside the first fixing ring 4 and the second fixing ring 6. Furthermore, the connection wheel 8 drives the mounting block 9 to rotate inside the first fixing ring 4 and the second fixing ring 6 respectively, so that the mounting block 9 drives the scraper 11 to rotate outside the conveying pipeline body 7, so that the scraper 11 removes the substances on the outside of the conveying pipeline body 7, which is convenient for removing the substances on the outside of the conveying pipeline body 7. Then, through the surface wave flaw detector 22 and the transverse wave flaw detector 23 arranged on the middle side of the second fixing ring 6, it is convenient to perform non-destructive testing on the conveying pipeline body 7.

[0038] All the standard parts used in the present utility model can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0039] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A safety detection device for a crude oil pipeline, comprising a fixing frame (1), with a cylinder (2) fixedly arranged on the upper side of its interior, and a mounting plate (3) fixedly installed at the lower end of the cylinder (2); It is characterized in that, Further comprising: A mounting rod (18), which is movably installed outside the mounting plate (3), and an adapter block (19) is movably connected to the inner side of the mounting rod (18). A first fixing ring (4) is fixedly installed at the inner lower end of the adapter block (19), and a scraping structure is movably connected inside the first fixing ring (4); A first fixing plate (5), which is fixedly installed on the right side of the lower end of the first fixing ring (4), and a second fixing plate (14) is fixedly installed on the left side of the lower end of the first fixing ring (4). A movable block (12) is movably connected to the middle of the first fixing plate (5), and a second fixing ring (6) is fixedly installed on the left lower side of the movable block (12). A fixing block (13) is fixedly installed on the upper left side of the second fixing ring (6), and a connecting block (15) is fixedly installed at the upper end of the fixing block (13). A fixing rod (16) is movably connected to the left middle of the connecting block (15). A transverse wave flaw detector (23) is arranged on the left middle of the second fixing ring (6), and a surface wave flaw detector (22) is arranged on the right middle of the second fixing ring (6). A positioning support plate (17) is fixedly installed on the outer middle of the second fixing ring (6), and a conveying pipeline body (7) is movably connected to the upper side of the positioning support plate (17).

2. The safety detection device for a crude oil transportation pipeline according to claim 1, characterized in that: The scraping structure includes a mounting block (9), which is movably installed inside the first fixing ring (4). A storage battery (21) is arranged at the lower rear side of the mounting block (9), and a motor (20) is fixedly arranged at the rear side inside the mounting block (9). A connecting wheel (8) is fixedly installed on the front side of the motor (20). An electric telescopic rod (10) is fixedly installed at the middle lower end of the mounting block (9), and a scraping plate (11) is fixedly installed at the lower end of the electric telescopic rod (10).

3. The safety detection device for a crude oil transportation pipeline according to claim 2, characterized in that: The connecting wheel (8) is connected to the first fixing ring (4) in a meshing manner, and the connecting wheel (8) is connected to the mounting block (9) in a rotating manner.

4. An oil pipeline safety detection device according to claim 2, characterized in that: The scraping plate (11) is connected to the conveying pipeline body (7) in a fitting manner and functions to scrape impurities on the outer side of the conveying pipeline body (7).

5. The safety detection device for a crude oil transportation pipeline according to claim 1, characterized in that: The movable block (12) is connected to the first fixing plate (5) in a rotating manner, and the vertical cross-section shape of the movable block (12) is an "L" shaped structure.

6. The safety detection device for a crude oil transportation pipeline according to claim 1, wherein: The connecting block (15) is connected to the second fixing plate (14) in a clamping manner, and the connecting block (15) is connected to the fixing rod (16) in a threaded manner.

7. An oil pipeline safety detection device according to claim 1, characterized in that: The mounting rod (18) is connected to the adapter block (19) in a threaded manner, and the adapter blocks (19) are symmetrically distributed before and after the center line of the mounting plate (3).

8. An oil pipeline safety detection device according to claim 7, characterized in that: The adapter block (19) is connected to the mounting plate (3) in a clamping manner, and the vertical cross-section shape of the adapter block (19) is an "L" shaped structure.

Images