A technical transformation equipment for pressure relief of liquid phase crane pipe installed under the road of oil storage and transportation depot

Abstract

The present invention discloses a technical improvement device for pressure relief of liquid-phase crane pipes installed under roads for oil storage and transportation depots, comprising a connecting short pipe, one end of which is provided with a first connecting flange, the other end of which is provided with a mounting seat, a second connecting flange being provided on the side of the mounting seat away from the connecting short pipe, a filter mechanism being installed inside the mounting seat, a mounting shaft being inserted into the mounting seat, one end of which extends to the outside of the mounting seat and is provided with a knob, the mounting shaft being connected to the filter mechanism via a gear transmission assembly, a needle valve being threadedly connected to the middle portion of the connecting short pipe, and a pressure sensor being installed on the inner side wall of the connecting short pipe. The advantages of the present invention are: the structure of the present invention is ingenious, the design is reasonable, the needle valve in the connecting short pipe can control the flow and pressure of the oil to meet the needs under different working conditions, the operation expertise is reduced, the operation time is shortened, the operation safety is improved, and the equipment stability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pressure relief of liquid phase pipes installed under oil depot roads, and in particular to technical transformation equipment for pressure relief of liquid phase crane pipes installed under oil storage and transportation depot roads. Background Art

[0002] Since the oil products in the pipeline depot are transported to the depot through buried pipelines, the storage temperature of the oil tank is relatively low, usually around 25℃ in summer. After the tank truck is finished loading and discharging oil, the lower joint is restored to the docking pile and the connection is tight. At this time, the liquid phase crane is full of gasoline. After the oil is discharged, the oil temperature in the lower closed crane is relatively low. If the lower crane has not been used for a long time to discharge oil, due to the large temperature difference between the underground oil pipeline and the outdoor temperature, after the oil is discharged, the temperature in the liquid phase crane gradually rises. Since the liquid phase crane cannot automatically discharge the liquid and relieve the pressure, a pressure-blocking phenomenon occurs, resulting in the inability of manpower to open the lower API joint manual valve, and the crane cargo position cannot be used for normal oil discharge operations.

[0003] Currently, common measures used by oil depots to address this pressure buildup include reducing temperature differences, such as performing oil delivery operations at night or in the early morning. This method requires no additional equipment, but nighttime operations are inconvenient and do not fit into daily operations and management plans. Another method involves maintenance personnel removing the flange at the lower API joint to drain the fluid and relieve pressure. This method takes a long time, approximately 15 minutes, and frequent flange removal can cause bolt thread stripping and gasket damage, increasing the risk of valve leakage. Furthermore, removing the flange at the API joint carries certain safety and environmental risks, making it unsuitable as a routine measure.

[0004] To this end, we proposed a technical transformation equipment for the pressure relief of liquid phase crane pipe installed under the road of oil storage and transportation depot to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems in the prior art and to propose a technical improvement equipment for the pressure relief of liquid phase crane pipe installed under the road of oil storage and transportation depot.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A technical transformation equipment for pressure relief of liquid-phase crane pipes installed under roads in oil storage and transportation depots comprises a connecting short pipe, one end of the connecting short pipe is provided with a first connecting flange, the other end of the connecting short pipe is provided with a mounting seat, a second connecting flange is provided on the side of the mounting seat away from the connecting short pipe, a filtering mechanism is installed inside the mounting seat, a mounting shaft is inserted into the mounting seat, and one end of the mounting shaft extends to the outside of the mounting seat and is installed with a knob, the mounting shaft and the filtering mechanism are connected by a gear transmission assembly, a needle valve is threadedly connected to the middle part of the connecting short pipe, and a pressure sensor is installed on the inner side wall of the connecting short pipe.

[0008] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, the filtering mechanism includes a constraint frame, an installation cavity is opened in the mounting seat, and the constraint frame is fixedly installed on the inner wall of the installation cavity, and an adjustment disk is installed on the inner wall of the installation cavity, and a push groove is opened on the adjusting disk. A plurality of sliding columns are symmetrically slidably connected on the constraint frame, and the lower end of each sliding column is slidably connected in the push groove, and a rotating frame is installed on each of the sliding columns, and a number of filter holes are evenly opened on each of the rotating frames.

[0009] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, the filtering mechanism includes a constraint frame, an installation cavity is opened in the mounting seat, and the constraint frame is fixedly installed on the inner wall of the installation cavity, and an adjustment disk is installed on the inner wall of the installation cavity, and a push groove is opened on the adjusting disk. A plurality of sliding columns are symmetrically slidably connected on the constraint frame, and the lower end of each sliding column is slidably connected in the push groove, and a rotating frame is installed on each of the sliding columns, and a number of filter holes are evenly opened on each of the rotating frames.

[0010] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, the gear transmission assembly includes a transmission gear, and the transmission gear is installed on the mounting shaft. A plurality of gear teeth are symmetrically installed on the outer wall of the adjusting disk, and the gear teeth are engaged with the transmission gear.

[0011] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane installed under the road of the oil storage and transportation depot, the restraint frame includes an inner ring frame and an outer ring frame, and a plurality of connecting frames are symmetrically installed between the inner ring frame and the outer ring frame. A limiting hole is provided on each of the connecting frames, and the sliding column is slidably connected in the limiting hole.

[0012] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, the sliding column includes a pushing cylinder, and the pushing cylinder is located in the limiting hole. The upper end of the pushing cylinder is equipped with a first limiting plate, and the diameter of the first limiting plate is larger than the diameter of the pushing cylinder. The lower end of the pushing cylinder is equipped with a second limiting plate, and the diameter of the second limiting plate is larger than the diameter of the pushing cylinder.

[0013] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, the pushing groove includes a first limit groove and a second limit groove, and the first limit groove is opened on the upper surface of the adjusting disk, and the pushing cylinder is slidably connected in the first limit groove, and the second limit disk is slidably connected in the second limit groove.

[0014] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane installed under the road of the oil storage and transportation depot, the installation cavity includes an annular cavity, and the restraint frame is fixedly connected to the inner wall of the annular cavity, an accommodating cavity is opened in the annular cavity, and the adjusting disk is installed in the accommodating cavity, a buffer cavity is opened on the side wall of the accommodating cavity, a circular cavity is opened on the inner wall of the buffer cavity, and the transmission gear is located in the circular cavity, and the gear teeth are located in the buffer cavity.

[0015] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, a spherical annular groove is provided on the inner wall of the accommodating cavity, and the spherical annular groove is connected to the buffer cavity. A plurality of spherical card slots are symmetrically provided on the outer wall of the regulating disk, and a mounting ball is rotatably connected in each of the spherical card slots, and each mounting ball is located in the spherical annular groove.

[0016] In the above-mentioned technical transformation equipment for the pressure relief of the liquid phase crane pipe installed under the road of the oil storage and transportation depot, the annular cavity is symmetrically provided with multiple stabilizing grooves away from the top wall of the accommodating cavity, and the upper end of each first limiting plate is slidably connected in the stabilizing groove.

[0017] Compared with the existing technology, the beneficial effects of the present invention are:

[0018] 1. The filter mechanism can flexibly switch between filtered and unfiltered states, adjusting according to the oil quality and operating requirements. When the oil is pure, it switches to the unfiltered state to reduce pressure loss and energy consumption; when there are a lot of impurities, it switches to the filtered state to ensure oil quality. In the filtered state, impurities in the oil are effectively removed, reducing wear and damage to downstream equipment and extending equipment life. At the same time, the filtered oil flows more smoothly, reducing pressure loss and improving system efficiency.

[0019] 2. During equipment maintenance, overhaul or special circumstances, it can be switched to the unfiltered state, which facilitates related operations and improves the flexibility and adaptability of equipment use. When it is necessary to clean the filter mechanism or clean the inside of the connecting short pipe, the connecting short pipe can be disassembled through the flange and the filter mechanism state can be adjusted for targeted cleaning.

[0020] 3. The needle valve in the connecting short pipe can control the flow and pressure of the oil to meet the needs of different working conditions. The operation is less professional and there is no need for equipment technical maintenance workers to disassemble the flange at the API joint. The on-site safety officer of the shipping station can complete the pressure relief and drainage operation after passing the operation training. The operation time is reduced and the operation efficiency is improved. The operation safety is improved. After the technical transformation, the risks of leakage, fire, etc. caused by the removal of the flange pressure relief operation are avoided. The stability of the equipment is improved, and the frequent disassembly of sealing points such as flanges is reduced, which reduces the risk of leakage and ensures the smooth operation of the equipment, safety and reliability.

[0021] 4. The pressure sensor monitors the oil pressure in real time and transmits the data to the control room to realize remote monitoring, which makes it convenient for management personnel to grasp the pressure status of the liquid phase crane pipe in time, realize the refined management of the equipment, and improve the reliability and stability of the equipment.

[0022] In summary, the present invention has an ingenious structure and a reasonable design. The needle valve in the connecting short pipe can control the flow and pressure of the oil to meet the needs under different working conditions. The operation expertise is reduced and the operation time is shortened; the operation safety is improved and the equipment stability is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of a technical improvement equipment for the pressure relief of liquid-phase crane pipe installed under the road of an oil storage and transportation depot proposed by the present invention;

[0024] Figure 2 This is a cross-sectional view of a hydraulic crane pressure relief equipment installed under a highway for oil storage and transportation depots proposed by the present invention;

[0025] Figure 3 This is an enlarged view of the rotating frame structure of the oil storage and transportation depot road-mounted liquid phase crane pressure relief technical improvement equipment proposed by the present invention;

[0026] Figure 4 This is an enlarged view of the transmission gear structure of a technical renovation equipment for the oil storage and transportation depot installed under the road for the liquid phase crane pipe pressure relief proposed by the present invention;

[0027] Figure 5 This is an enlarged view of the restraint frame in the technical renovation equipment for the oil liquid phase crane pipe pressure relief installed under the road of the oil storage and transportation depot proposed by the present invention;

[0028] Figure 6 This is an enlarged view of the structure of the regulating plate in the oil storage and transportation depot road-mounted liquid phase crane pressure relief technical improvement equipment proposed by the present invention;

[0029] Figure 7 This is a cross-sectional view of a mounting seat in a technical renovation device for installing a liquid-phase crane pipe under a highway for oil storage and transportation depots proposed by the present invention;

[0030] Figure 8 This is an enlarged view of the rotating frame structure of the oil storage and transportation depot road-mounted liquid phase crane pressure relief technical improvement equipment proposed by the present invention;

[0031] Figure 9 It is the actual pressure test curve of the connecting short pipe.

[0032] In the figure: 1 connecting short pipe, 2 first connecting flange, 3 mounting seat, 4 second connecting flange, 5 knob, 6 needle valve, 7 pressure sensor, 8 threaded seat, 9 rotating frame, 10 constraint frame, 1001 outer ring frame, 1002 inner ring frame, 1003 connecting frame, 11 annular cavity, 12 transmission gear, 13 adjusting disk, 14 sliding column, 1401 pushing cylinder, 1402 second limiting disk, 1403 first limiting disk, 15 pushing groove, 1501 first limiting groove, 1502 second limiting groove, 16 limiting hole, 17 gear teeth, 18 accommodating cavity, 19 buffer cavity, 20 circular cavity, 21 spherical ring groove, 22 mounting ball, 23 filter hole. DETAILED DESCRIPTION

[0033] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0034] Example

[0035] Reference Figure 1-9 A technical renovation equipment for pressure relief of liquid phase crane pipe installed under the road for oil storage and transportation depot includes a connecting short pipe 1. A connecting short pipe 1 with a pressure relief valve is added at the connection between the API joint and the liquid phase pipe. The connecting short pipe 1 is made of aluminum. This metal has good air tightness, small shrinkage and low thermal cracking tendency. After deterioration and heat treatment, it has good mechanical properties, physical properties and corrosion resistance. The finished connecting short pipe is DN80 with a wall thickness of 18mm. The actual working pressure of oil depot is about 0.4Mpa. In order to improve the safety of the connecting short pipe 1, the working pressure of 0.6Mpa and the test pressure of 1.0Mpa are selected for air tightness test. According to the actual pressure test curve ( Figure 9 ) It can be clearly seen that when the test pressure is 1.0Mpa, the pressure holding time is 30min, the pressure drop is less than 0.01MPa, the pressure curve is stable and there is no leakage, which meets the actual use conditions of the oil depot.

[0036] A first connecting flange 2 is provided at one end of the connecting short tube 1, and a mounting seat 3 is provided at the other end of the connecting short tube 1. A threaded seat 8 is fixedly connected to the mounting seat 3, and the threaded seat 8 is threadedly connected to the inner wall of the connecting short tube 1. A second connecting flange 4 is provided on the side of the mounting seat 3 away from the connecting short tube 1.

[0037] A filtering mechanism is installed inside the mounting seat 3, and the filtering mechanism includes a constraint frame 10. A mounting cavity is provided in the mounting seat 3, and the constraint frame 10 is fixedly installed on the inner wall of the mounting cavity. The constraint frame 10 includes an inner ring frame 1002 and an outer ring frame 1001. A plurality of connecting frames 1003 are symmetrically installed between the inner ring frame 1002 and the outer ring frame 1001. A limiting hole 16 is provided on each connecting frame 1003, and a sliding column 14 is slidably connected in the limiting hole 16. An adjusting disk 13 is installed on the inner wall of the mounting cavity, and a pushing groove 15 is provided on the adjusting disk 13. A plurality of sliding columns 14 are symmetrically slidably connected on the constraint frame 10, and the lower end of each sliding column 14 is slidably connected in the pushing groove 15. The sliding column 14 includes a pushing cylinder 1401, and the pushing cylinder 1401 is located in the limiting hole 16. The upper end of the pushing cylinder 1401 is installed with A first limiting plate 1403, and the diameter of the first limiting plate 1403 is larger than the diameter of the pushing cylinder 1401, the lower end of the pushing cylinder 1401 is installed with a second limiting plate 1402, and the diameter of the second limiting plate 1402 is larger than the diameter of the pushing cylinder 1401, the pushing groove 15 includes a first limiting groove 1501 and a second limiting groove 1502, and the first limiting groove 1501 is opened on the upper surface of the adjusting plate 13, and the pushing cylinder 1401 is slidably connected in the first limiting groove 1501, and the second limiting plate 1402 is slidably connected in the second limiting groove 1502, the annular cavity 11 is symmetrically provided with a plurality of stabilizing grooves away from the top wall of the accommodating cavity 18, the upper end of each first limiting plate 1403 is slidably connected in the stabilizing groove, each sliding column 14 is installed with a rotating frame 9, and each rotating frame 9 is evenly provided with a number of filter holes 23.

[0038] The mounting cavity includes an annular cavity 11, and the restraining frame 10 is fixedly connected to the inner wall of the annular cavity 11. An accommodating cavity 18 is opened in the annular cavity 11, and the adjusting disk 13 is installed in the accommodating cavity 18. A buffer cavity 19 is opened on the side wall of the accommodating cavity 18, and a circular cavity 20 is opened on the inner wall of the buffer cavity 19. The transmission gear 12 is located in the circular cavity 20, and the gear 17 is located in the buffer cavity 19. A spherical annular groove 21 is opened on the inner side wall of the accommodating cavity 18, and the spherical annular groove 21 is connected to the buffer cavity 19. A plurality of spherical card grooves are symmetrically opened on the outer wall of the adjusting disk 13, and a mounting ball 22 is rotatably connected in each spherical card groove, and each mounting ball 22 is located in the spherical annular groove 21.

[0039] A mounting shaft is inserted into the mounting seat 3, and one end of the mounting shaft extends to the outside of the mounting seat 3 and is installed with a knob 5. The mounting shaft and the filtering mechanism are connected through a gear transmission assembly. The gear transmission assembly includes a transmission gear 12, and the transmission gear 12 is installed on the mounting shaft. A plurality of gear teeth 17 are symmetrically installed on the outer side wall of the adjusting disk 13, and the gear teeth 17 are engaged with the transmission gear 12.

[0040] The middle thread connection of the connecting short pipe 1 is provided with a needle valve 6, which can control the flow and pressure of the oil, thereby reducing the professional operation requirements. There is no need for equipment technical maintenance workers to disassemble the flange at the API joint. The on-site safety officer of the shipping platform can complete the pressure relief and drainage operation after passing the operation training. The setting of the needle valve 6 can reduce the operation time. The existing technology requires at least 15 minutes to disassemble and install the flange each time. With this solution, it only takes 10 seconds to open the needle valve 6 to complete the pressure relief and drainage operation, and the API joint hand valve can be easily opened, thereby improving the operation efficiency and improving the operation safety. It avoids the risks of leakage, fire, etc. caused by the pressure relief operation of the flange disassembly. The stability of the equipment is improved, the frequent disassembly of sealing points such as flanges is reduced, the risk of leakage is reduced, and the equipment is guaranteed to run smoothly, safely and reliably.

[0041] A pressure sensor 7 is installed on the inner side wall of the connecting short tube 1.

[0042] The mounting seat 3 is installed on the end of the connecting short pipe 1 with an internal thread through the threaded seat 8, and then the connecting short pipe 1 is installed between the lower API joint and the liquid phase pipe through the first connecting flange 2 and the second connecting flange 4. The filtering mechanism in the connecting short pipe 1 can filter the oil, remove impurities, and ensure the quality of the oil. The needle valve 6 in the connecting short pipe 1 can control the flow and pressure of the oil. The pressure sensor 7 can monitor the pressure of the oil and monitor the pressure in the oil in real time. The pressure monitoring data can be transmitted to the control room to realize remote monitoring, which is convenient for management personnel to grasp the pressure status of the liquid phase crane pipe in time.

[0043] The filter mechanism can be adjusted to a filtering state and an unfiltered state in the mounting seat 3. When the filtering state needs to be adjusted, the mounting shaft is driven to rotate by rotating the knob 5. The transmission gear 12 on the mounting shaft engages with the gear teeth 17 on the outer wall of the adjusting disk 13, thereby rotating the adjusting disk 13. When the adjusting disk 13 rotates, the pushing groove 15 pushes the sliding post 14 to slide in the limiting hole 16 of the constraint frame 10. The rotation of the adjusting disk 13 causes the rotating frame 9 installed on the sliding post 14 to move, and the adjacent rotating frames 9 contact each other (such as Figure 2 、 Figure 3 and Figure 4 state), the filter holes 23 on the rotating frame 9 filter the oil.

[0044] It can flexibly switch between the filtered state and the unfiltered state according to different work requirements and oil conditions. For example, when the oil itself is relatively pure and does not need to be filtered, it can be switched to the unfiltered state to reduce unnecessary pressure loss and energy consumption. When there are more impurities in the oil, it can be switched to the filtered state to ensure the oil quality. During equipment maintenance, overhaul or special circumstances, it can also be conveniently switched to the unfiltered state to carry out related operations, which improves the flexibility and adaptability of the equipment. In the filtered state, impurities in the oil can be effectively removed to ensure the quality of the oil, thereby reducing wear and damage to downstream equipment and extending the service life of the equipment. At the same time, the filtered oil flows more smoothly, reducing pressure loss and improving the efficiency of the system.

[0045] In the unfiltered state, the system resistance can be reduced and the flow rate can be increased. It is suitable for situations with high flow requirements. For example, when oil needs to be transported quickly in an emergency, it can be switched to the unfiltered state to meet emergency needs. The appropriate state can be selected according to actual conditions to facilitate maintenance and cleaning of the filter mechanism. When the filter mechanism needs to be cleaned or the inside of the connecting short pipe 1 needs to be cleaned, the connecting short pipe 1 is removed from the system pipeline through the first connecting flange 2 and the second connecting flange 4. After the disassembly is completed, the filter mechanism is adjusted to the filtering state to flush the filter holes 23 on the filter mechanism, and the inside of the connecting short pipe 1 can be cleaned by adjusting it to the unfiltered state.

[0046] By remotely monitoring the data from the pressure sensor, managers can timely understand the pressure status of the liquid phase crane pipe and adjust the filtration status as needed to achieve refined management of the equipment and improve the reliability and stability of the equipment.

[0047] The installation cavity includes an annular cavity 11 to provide installation space for the overall structure, an accommodating cavity 18 for installing the adjusting disk 13, a buffer cavity 19 and a circular cavity 20 for accommodating the gear teeth 17 and the transmission gear 12 respectively to ensure the stability of the transmission, and the installation ball 22 on the outer wall of the adjusting disk 13 rotates in the spherical annular groove 21 to further ensure the stability of the rotation of the adjusting disk 13; the sliding column 14 includes a pushing cylinder 1401, a first limiting disk 1403 and a second limiting disk 1402, which slide in different grooves respectively to ensure the stability of sliding.

[0048] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A technical improvement device for pressure relief of liquid phase crane pipe installed under the road of oil storage and transportation depot, comprising a connecting short pipe (1), characterized in that: One end of the connecting short tube (1) is provided with a first connecting flange (2), the other end of the connecting short tube (1) is provided with a mounting seat (3), a side of the mounting seat (3) away from the connecting short tube (1) is provided with a second connecting flange (4), a filtering mechanism is installed inside the mounting seat (3), a mounting shaft is inserted into the mounting seat (3), and one end of the mounting shaft extends to the outside of the mounting seat (3) and is installed with a knob (5), the mounting shaft and the filtering mechanism are connected through a gear transmission assembly, a needle valve (6) is threadedly connected to the middle part of the connecting short tube (1), and a pressure sensor (7) is installed on the inner side wall of the connecting short tube (1); The filtering mechanism comprises a restraining frame (10), a mounting cavity is provided in the mounting seat (3), and the restraining frame (10) is fixedly mounted on the inner wall of the mounting cavity, an adjusting disk (13) is mounted on the inner wall of the mounting cavity, and each adjusting disk (13) is provided with a pushing groove (15), a plurality of sliding columns (14) are symmetrically slidably connected to the restraining frame (10), and the lower end of each sliding column (14) is slidably connected to the pushing groove (15), a rotating frame (9) is mounted on each sliding column (14), and each rotating frame (9) is evenly provided with a plurality of filtering holes (23); The restraining frame (10) comprises an inner ring frame (1002) and an outer ring frame (1001), a plurality of connecting frames (1003) are symmetrically mounted between the inner ring frame (1002) and the outer ring frame (1001), each of the connecting frames (1003) is provided with a limiting hole (16), and the sliding column (14) is slidably connected in the limiting hole (16); The sliding column (14) includes a pushing cylinder (1401), and the pushing cylinder (1401) is located in the limiting hole (16); the upper end of the pushing cylinder (1401) is installed with a first limiting disk (1403), and the diameter of the first limiting disk (1403) is larger than the diameter of the pushing cylinder (1401); the lower end of the pushing cylinder (1401) is installed with a second limiting disk (1402), and the diameter of the second limiting disk (1402) is larger than the diameter of the pushing cylinder (1401); The pushing groove (15) includes a first limiting groove (1501) and a second limiting groove (1502), and the first limiting groove (1501) is provided on the upper surface of the regulating disk (13), and the pushing cylinder (1401) is slidably connected in the first limiting groove (1501), and the second limiting disk (1402) is slidably connected in the second limiting groove (1502); The mounting cavity includes an annular cavity (11), and the restraining frame (10) is fixedly connected to the inner side wall of the annular cavity (11), an accommodating cavity (18) is provided in the annular cavity (11), and the adjusting disk (13) is installed in the accommodating cavity (18), a buffer cavity (19) is provided on the side wall of the accommodating cavity (18), a circular cavity (20) is provided on the inner wall of the buffer cavity (19), and the transmission gear (12) is located in the circular cavity (20), and the gear teeth (17) are located in the buffer cavity (19); The top wall of the annular cavity (11) away from the accommodating cavity (18) is symmetrically provided with a plurality of stabilizing grooves, and the upper end of each of the first limiting plates (1403) is slidably connected in the stabilizing groove.

2. The oil storage and transportation depot road-mounted liquid phase crane pressure relief technical improvement equipment according to claim 1 is characterized by: A threaded seat (8) is fixedly connected to the mounting seat (3), and the threaded seat (8) is threadedly connected to the inner side wall of the connecting short tube (1).

3. The technical improvement equipment for pressure relief of liquid phase crane pipe installed under the road of oil storage and transportation depot according to claim 1 is characterized by: The gear transmission assembly includes a transmission gear (12), and the transmission gear (12) is mounted on a mounting shaft. A plurality of gear teeth (17) are symmetrically mounted on the outer side wall of the adjustment disk (13), and the gear teeth (17) are meshed with the transmission gear (12).

4. The technical improvement equipment for pressure relief of liquid phase crane pipe installed under the road of oil storage and transportation depot according to claim 1 is characterized by: A spherical annular groove (21) is provided on the inner side wall of the accommodating cavity (18), and the spherical annular groove (21) is communicated with the buffer cavity (19). A plurality of spherical clamping grooves are symmetrically provided on the outer side wall of the regulating disk (13), and a mounting ball (22) is rotatably connected in each of the spherical clamping grooves, and each mounting ball (22) is located in the spherical annular groove (21).

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