Plugging structure for oil leakage of oil depot

Abstract

The utility model relates to the technical field of plugging devices, in particular to an oil depot oil leakage plugging structure which comprises a cover plate, a self-adaptive sealing part is arranged on the cover plate, a circular cavity is formed in a stabilizing block, three rectangular through grooves are formed in the outer wall of the stabilizing block, a locking part is arranged in the stabilizing block, and the locking part comprises a driving bevel gear rotationally connected into the circular cavity. And a rotating shaft is arranged at the top of the driving bevel gear, the top end of the rotating shaft penetrates through the top of the inner wall of the cover plate and is fixedly connected with a hand wheel, the locking piece further comprises a lead screw rotationally connected into the rectangular through grooves, the outer wall of the lead screw is in threaded connection with rectangular extrusion blocks, and the three rectangular extrusion blocks are slidably connected into the three rectangular through grooves correspondingly. According to the oil depot oil product leakage plugging structure, by adopting the design and the structure of the locking piece, fixation of the stabilizing block and the inner wall of the tank opening of the oil tank truck can be ensured, even if the internal pressure of the oil tank truck is changed, stable extrusion force can be kept, the risk of failure of the plugging structure is reduced, and the overall safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plugging devices, in particular to an oil leakage plugging structure for an oil depot. Background Technique

[0002] With the rapid development of the global economy, the demand for oil and its derivatives continues to grow. As a key facility for oil storage and distribution, the safety and management level of oil depots are particularly important. The oil depot stores a wide variety of oil products, including crude oil, refined oil, and chemical solvents. A loading arm is a telescopic and movable pipe, which is mostly used for liquid loading and unloading at oil and chemical terminals, and the medium in the pipe is oil, water, etc. The loading arm of the oil depot is used for loading and unloading oil products, and the place where the loading arm is used the most in the oil depot is the loading and unloading of oil products from oil tank trucks.

[0003] The patent with the publication number CN208747623U discloses a sealed oil depot loading arm structure, including a cover plate. A stabilizing block is fixed at the bottom of the cover plate. A telescopic vertical pipe passes through the centers of the cover plate and the stabilizing block. A vapor recovery pipe also passes through the cover plate and the stabilizing block. An air pump is also provided on the cover plate. An outer ring seat and an inner ring seat are coaxially arranged and fixed under the cover plate. An outer sealing airbag is provided on one side of the outer ring seat close to the inner ring seat, and an inner sealing airbag is provided on one side of the inner ring seat close to the outer ring seat. The outer sealing airbag is connected to the output end of the air pump through a first ventilation pipe, and the inner sealing airbag is connected to the output end of the air pump through a second ventilation pipe. The utility model sets an internal and external adaptive sealing structure. The inflatable structure can deform accordingly according to different shape and size requirements, can effectively seal the tank mouths of various specifications and shapes of oil tank trucks, has a good double-sealing effect, can effectively avoid oil and gas leakage, and can avoid oil waste.

[0004] In the specific use process of the above-mentioned prior art, the stabilizing block is fixed to the inner wall of the oil tank truck tank mouth through a locking and positioning mechanism. However, the locking and positioning mechanism uses a locking cylinder. Once a failure occurs in the pneumatic system of the locking cylinder, the locking cylinder may lose the extrusion force on the inner wall of the oil tank truck tank mouth, and the pressure on the inner wall of the oil tank truck may push the stabilizing block to move outward, resulting in the failure of the plugging structure and posing a safety hazard. In view of this, we propose an oil leakage plugging structure for an oil depot. Content of the Utility Model

[0005] The purpose of the utility model is to provide an oil leakage plugging structure for an oil depot to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] Oil depot oil leakage plugging structure, including a cover plate. A first annular mounting groove is provided on the side of the inner wall of the cover plate. In the middle of the top of the inner wall of the cover plate, there is a stabilizing block. On the top of the outer wall of the stabilizing block, there is an inner ring seat. A third annular mounting groove is provided on the outer wall of the inner ring seat. A second annular mounting groove is provided in the middle of the outer wall of the stabilizing block. An adaptive seal is provided on the cover plate. The adaptive seal includes a first seal airbag, a second seal airbag and a third seal airbag. The first seal airbag is installed in the first annular mounting groove. The second seal airbag is installed in the third annular mounting groove. The third seal airbag is installed in the second annular mounting groove. After inflation, the first seal airbag changes adaptively according to the shape of the outer wall of the tank opening, so as to seal the outer wall of the tank opening. After inflation, the second seal airbag changes adaptively according to the shape of the inner wall of the tank opening, so as to seal the inner wall of the tank opening, realizing reliable sealing of the inside and outside of the tank opening of the oil tanker. The third seal airbag changes adaptively according to the shape of the inner wall of the tank opening, further improving the sealing effect;

[0008] A circular cavity is provided in the stabilizing block and near the bottom. Three rectangular through grooves are provided on the outer wall of the stabilizing block and arranged in an annular array. A locking member is provided in the stabilizing block. The locking member includes a driving bevel gear rotatably connected in the circular cavity. A rotating shaft is provided on the top of the driving bevel gear. The top end of the rotating shaft passes through the top of the inner wall of the cover plate and is fixedly connected with a hand wheel. By driving the rotating shaft to rotate through the hand wheel, the rotating shaft drives the driving bevel gear to rotate;

[0009] The locking member further includes a lead screw rotatably connected in the rectangular through groove. The number of lead screws is the same as the number of rectangular through grooves. One end of the lead screw passes through the inner wall of the rectangular through groove and is coaxially connected with a driven bevel gear meshing and driving with the driving bevel gear. By driving three driven bevel gears to rotate synchronously through the driving bevel gear, the driven bevel gear drives the lead screw to rotate. A rectangular extrusion block is threadedly connected to the outer wall of the lead screw. The three rectangular extrusion blocks are respectively slidably connected in the three rectangular through grooves. The lead screw drives the rectangular extrusion block to move in the rectangular through groove.

[0010] Preferably, the adaptive seal further includes an air duct. The first seal airbag, the second seal airbag and the third seal airbag are all communicated with the air duct. The air duct connects the first seal airbag, the second seal airbag and the third seal airbag. The air duct controls the inflation and exhaust of the airbag, realizing the control of the expansion and contraction of the seal airbag, so as to adjust the sealing effect.

[0011] Preferably, a first valve is provided on the air duct. The first valve is used to control the opening and closing of the air duct, adjusting the gas to enter or exit the seal airbag, so that the adaptive seal can adapt to different sealing requirements.

[0012] Preferably, a gas-phase recovery pipe is provided on the cover plate. The bottom end of the gas-phase recovery pipe penetrates through the top of the stabilizing block to the lower part of the stabilizing block. The gas-phase recovery pipe is used to recover the gas-phase substances during the plugging process of the tank mouth of the oil tanker, preventing leakage and pollution.

[0013] Preferably, a second valve is provided on the gas-phase recovery pipe. The second valve is used to control the opening and closing of the gas-phase recovery pipe, realizing the effective recovery and management of the gas-phase substances.

[0014] Preferably, an annular positioning block is provided on the outer wall of the lead screw and close to the driven bevel gear. The side surface of the annular positioning block is fitted with the end surface of the inner wall of the rectangular through groove, and is used to be fitted with the end surface of the inner wall of the rectangular through groove during rotation to ensure the stability of the lead screw.

[0015] Preferably, a rubber pad is provided at the outer end of the rectangular extrusion block, which is used to contact the inner wall of the tank mouth of the oil tanker during the locking process, providing a buffering and sealing effect, increasing the friction force, and avoiding damage caused by direct contact at the same time.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. For the oil leakage plugging structure of the oil depot, the adaptive seal is used in combination with multiple sealing air bags, which can adaptively change according to the shapes of the inner and outer walls of the tank mouth of the oil tanker, so as to achieve precise and effective sealing, significantly reducing the risk of oil and gas leakage, and being beneficial to environmental protection and preventing oil product waste.

[0018] 2. For the oil leakage plugging structure of the oil depot, through the adoption of the locking member design, the structure can ensure the fixation of the stabilizing block and the inner wall of the tank mouth of the oil tanker. Even under the condition of pressure change inside the oil tanker, a stable extrusion force can be maintained, reducing the risk of the plugging structure failure and improving the overall safety.

[0019] 3. For the oil leakage plugging structure of the oil depot, it is equipped with a hand wheel and a rotating shaft, enabling the operator to easily adjust the locking state, quickly respond to leakage incidents, and improving the efficiency of emergency handling.

[0020] 4. For the oil leakage plugging structure of the oil depot, due to the adoption of an efficient sealing and locking structure, it reduces the oil product loss and environmental pollution caused by leakage, reduces the subsequent maintenance and cleaning costs, and thus improves the operation efficiency of the oil depot. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall first perspective structure of the present utility model;

[0022] Figure 2 It is a schematic diagram of the overall second perspective structure of the present utility model;

[0023] Figure 3 One of the partial structural schematic diagrams of the present utility model;

[0024] Figure 4 The partial sectional structural schematic diagram of the present utility model;

[0025] Figure 5 The second of the partial structural schematic diagrams of the present utility model;

[0026] In the figure: 1. Cover plate; 10. First annular mounting groove; 2. Stabilizing block; 20. Second annular mounting groove; 21. Circular cavity; 22. Rectangular through groove; 3. Inner ring seat; 30. Third annular mounting groove; 4. Adaptive seal; 40. First sealing airbag; 41. Second sealing airbag; 42. Third sealing airbag; 43. Air duct; 44. First valve; 5. Locking member; 50. Driving bevel gear; 51. Rotating shaft; 52. Handwheel; 53. Lead screw; 530. Annular positioning block; 54. Driven bevel gear; 55. Rectangular extrusion block; 56. Rubber pad; 6. Gas phase recovery pipe; 60. Second valve. Specific embodiments

[0027] 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 making creative efforts shall fall within the protection scope of the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0029] Please refer to Figures 1-5 , the present utility model provides a technical solution:

[0030] Oil depot oil leakage blocking structure, including a cover plate 1. A first annular installation groove 10 is provided on the side of the inner wall of the cover plate 1. In the middle of the top of the inner wall of the cover plate 1, there is a stabilizing block 2. On the top of the outer wall of the stabilizing block 2, there is an inner ring seat 3. A third annular installation groove 30 is provided on the outer wall of the inner ring seat 3. In the middle of the outer wall of the stabilizing block 2, there is a second annular installation groove 20. An adaptive seal 4 is provided on the cover plate 1. The adaptive seal 4 includes a first seal airbag 40, a second seal airbag 41 and a third seal airbag 42. The first seal airbag 40 is installed in the first annular installation groove 10, the second seal airbag 41 is installed in the third annular installation groove 30, and the third seal airbag 42 is installed in the second annular installation groove 20. After being inflated, the first seal airbag 40 changes adaptively according to the shape of the outer wall of the tank opening, so as to seal the outer wall of the tank opening. After being inflated, the second seal airbag 41 changes adaptively according to the shape of the inner wall of the tank opening, so as to seal the inner wall of the tank opening, realizing reliable sealing of the inside and outside of the tank opening of the oil tanker. The third seal airbag 42 changes adaptively according to the shape of the inner wall of the tank opening, further improving the sealing effect;

[0031] A circular cavity 21 is provided in the stabilizing block 2 and near the bottom. Three rectangular through grooves 22 arranged in an annular array are provided on the outer wall of the stabilizing block 2. A locking member 5 is provided in the stabilizing block 2. The locking member 5 includes a driving bevel gear 50 rotatably connected in the circular cavity 21. On the top of the driving bevel gear 50, there is a rotating shaft 51. The top end of the rotating shaft 51 passes through the top of the inner wall of the cover plate 1 and is fixedly connected with a handwheel 52. By driving the rotating shaft 51 to rotate through the handwheel 52, the rotating shaft 51 drives the driving bevel gear 50 to rotate;

[0032] The locking member 5 further includes a lead screw 53 rotatably connected in the rectangular through groove 22. The number of lead screws 53 is the same as the number of rectangular through grooves 22. One end of the lead screw 53 passes through the inner wall of the rectangular through groove 22 and is coaxially connected with a driven bevel gear 54 meshing with the driving bevel gear 50. By driving the three driven bevel gears 54 to rotate synchronously through the driving bevel gear 50, the driven bevel gear 54 drives the lead screw 53 to rotate. A rectangular extrusion block 55 is threadedly connected to the outer wall of the lead screw 53. The three rectangular extrusion blocks 55 are respectively slidably connected in the three rectangular through grooves 22. The lead screw 53 drives the rectangular extrusion block 55 to move in the rectangular through groove 22.

[0033] In this embodiment, the adaptive seal 4 further includes an air guide pipe 43. The air guide pipe 43 is externally connected to an inflation device. The first seal airbag 40, the second seal airbag 41 and the third seal airbag 42 are all communicated with the air guide pipe 43. The air guide pipe 43 connects the first seal airbag 40, the second seal airbag 41 and the third seal airbag 42. The air guide pipe 43 controls the inflation and exhaust of the airbag, realizes the expansion and contraction control of the seal airbag, and thus adjusts the sealing effect.

[0034] Specifically, a first valve 44 is provided on the air duct 43. The first valve 44 is used to control the opening and closing of the air duct 43 and regulate the entry or discharge of gas into or from the sealing airbag, so that the adaptive seal 4 can adapt to different sealing requirements.

[0035] Furthermore, a gas-phase recovery pipe 6 is provided on the cover plate 1. The bottom end of the gas-phase recovery pipe 6 penetrates through the top of the stabilizing block 2 to the lower part of the stabilizing block 2. The gas-phase recovery pipe 6 is used to recover the gas-phase substances during the plugging process of the tanker tank opening, preventing leakage and pollution.

[0036] Furthermore, a second valve 60 is provided on the gas-phase recovery pipe 6. The second valve 60 is used to control the opening and closing of the gas-phase recovery pipe 6 to achieve effective recovery and management of the gas-phase substances.

[0037] Furthermore, an annular positioning block 530 is provided on the outer wall of the lead screw 53 and near the driven bevel gear 54. The side surface of the annular positioning block 530 is in contact with the end surface of the inner wall of the rectangular through groove 22, and is used to be in contact with the end surface of the inner wall of the rectangular through groove 22 during rotation to ensure the stability of the lead screw 53.

[0038] Furthermore, a rubber pad 56 is provided at the outer end of the rectangular extrusion block 55, which is used to contact the inner wall of the tanker tank opening during the locking process, providing buffering and sealing effects, increasing the friction force, and avoiding damage caused by direct contact at the same time.

[0039] When the oil leakage plugging structure of this embodiment is in use, place the cover plate 1 on the tank opening of the oil tanker. Use the handwheel 52 to drive the rotation of the rotating shaft 51, so that the rotating shaft 51 drives the rotation of the driving bevel gear 50. The driving bevel gear 50 drives the synchronous rotation of the three driven bevel gears 54. Thus, the driven bevel gears 54 drive the rotation of the lead screws 53. The three lead screws 53 respectively drive the three rectangular extrusion blocks 55 to move outwards until the rubber pad 56 contacts the inner wall of the oil tanker tank opening, providing a buffering and sealing effect, increasing the friction force, and at the same time avoiding damage caused by direct contact to achieve a firm locking. At this time, ensure that the operation of the locking member 5 is firm enough to prevent the movement of the stabilizing block 2 when the internal pressure of the oil tanker changes. Then, control the inflation of the airbag through the air duct 43. Open the first valve 44 on the air duct and send gas to the first sealing airbag 40, the second sealing airbag 41 and the third sealing airbag 42 for inflation. After the airbag is inflated, it will automatically adapt to the shape of the inner and outer walls of the tank opening and form a reliable seal, thus avoiding oil and gas leakage. During the plugging process, the gas-phase recovery pipe 6 will recover the gas-phase substances generated during the plugging of the oil tanker tank opening. When necessary, open the second valve 60 on the gas-phase recovery pipe 6 to safely store or process the collected gas-phase substances to prevent leakage and pollution. Monitor and regularly check the sealing state and locking degree. If there are signs of leakage, adjust the locking member 5 in time and re-inflate the sealing airbag 4 as needed. Once the oil loading and unloading or maintenance work is completed, close all valves, slowly release the gas in the sealing airbag 42, release the locking state, and then safely remove the cover plate 1 and clean the surrounding environment to ensure the safety and cleanliness of the equipment and the environment. Finally, regularly check and maintain the oil leakage plugging structure of the oil depot to ensure the normal operation of each component, especially the airbag 4 and the locking mechanism 5, to ensure safety and effectiveness in actual use.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil product leakage blocking structure for an oil depot, comprising a cover plate (1), characterized in that: A first annular mounting groove (10) is provided on the side of the inner wall of the cover plate (1); a stabilizing block (2) is provided in the middle of the top of the inner wall of the cover plate (1); an inner ring seat (3) is provided on the top of the outer wall of the stabilizing block (2); a third annular mounting groove (30) is provided on the outer wall of the inner ring seat (3); a second annular mounting groove (20) is provided in the middle of the outer wall of the stabilizing block (2); an adaptive sealing member (4) is provided on the cover plate (1); the adaptive sealing member (4) comprises a first sealing airbag (40), a second sealing airbag (41) and a third sealing airbag (42); the first sealing airbag (40) is installed in the first annular mounting groove (10); the second sealing airbag (41) is installed in the third annular mounting groove (30); the third sealing airbag (42) is installed in the second annular mounting groove (20); a circular sealing member (44) is provided in the stabilizing block (2) and near the bottom thereof; The stabilizing block (2) has an outer wall provided with three rectangular through grooves (22) arranged in a circular array. The stabilizing block (2) has a locking member (5) therein. The locking member (5) comprises a driving bevel gear (50) rotatably connected to the circular cavity (21). A rotating shaft (51) is provided at the top of the driving bevel gear (50). The top of the rotating shaft (51) passes through the top of the inner wall of the cover plate (1) and is fixedly connected to a hand wheel (52). The locking member (5) further comprises a screw rod (53) rotatably connected to the rectangular through groove (22). One end of the screw rod (53) passes through the inner wall of the rectangular through groove (22) and is coaxially connected to a driven bevel gear (54) meshing with the driving bevel gear (50) for transmission. A rectangular extrusion block (55) is threadedly connected to the outer wall of the screw rod (53). The three rectangular extrusion blocks (55) are respectively slidably connected to the three rectangular through grooves (22).

2. The oil leakage blocking structure of the oil depot according to claim 1 is characterized by: The adaptive sealing element (4) further comprises an air guide tube (43), and the first sealing airbag (40), the second sealing airbag (41) and the third sealing airbag (42) are all in communication with the air guide tube (43).

3. The oil leakage blocking structure of the oil depot according to claim 2 is characterized by: The air guide tube (43) is provided with a first valve (44), and the first valve (44) is used to control the opening and closing of the air guide tube (43).

4. The oil leakage blocking structure of the oil depot according to claim 1 is characterized by: The cover plate (1) is provided with a gas phase recovery pipe (6), and the bottom end of the gas phase recovery pipe (6) passes through the top of the stabilizing block (2) to the bottom of the stabilizing block (2).

5. The oil leakage blocking structure of the oil depot according to claim 4 is characterized in that: The gas phase recovery pipe (6) is provided with a second valve (60), and the second valve (60) is used to control the opening and closing of the gas phase recovery pipe (6).

6. The oil leakage blocking structure of the oil depot according to claim 1 is characterized by: An annular positioning block (530) is provided on the outer wall of the screw rod (53) and close to the driven bevel gear (54), and the side surface of the annular positioning block (530) is in contact with the end surface of the inner wall of the rectangular through groove (22).

7. The oil leakage blocking structure of the oil depot according to claim 1 is characterized by: A rubber pad (56) is provided at the outer end of the rectangular extrusion block (55).

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