Two-phase fluid loading and unloading arm homing device convenient to adjust and install

Abstract

The invention relates to the technical field of fluid loading and unloading arms, and discloses a two-phase fluid loading and unloading arm homing device convenient to adjust and install, which comprises a frame body, and the frame body is provided with a gas-phase homing joint for inserting a gas-phase joint and a liquid-phase homing joint for inserting a liquid-phase joint; a flow guide structure and a liquid receiving structure are installed on the frame body, the liquid receiving structure is located below the lower base, and the flow guide structure is located above the liquid receiving structure; the frame body can be used for inserting and positioning a gas-phase joint through the gas-phase homing joint, and can be used for inserting and positioning a liquid-phase joint through the liquid-phase homing joint, so that the space is reduced, the space utilization rate is increased, and the gas-phase homing joint detects whether the gas-phase joint is inserted in place or not by using a gas-phase sensor, so that the operation is more convenient, and the homing is easier; the frame body is used for guiding the residual medium on the gas-phase connector into the liquid receiving structure through the flow guide structure, the liquid receiving structure can be used for collecting the residual medium on the liquid-phase connector, and pollution to the site environment is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of fluid loading and unloading arms, and in particular to a dual-phase fluid loading and unloading arm homing device which is easy to adjust and install. Background Art

[0002] At present, the onshore storage and transportation logistics of petrochemical fluid media mainly rely on train tankers and truck tankers. As the main means of onshore transportation, storage, loading and unloading, fluid loading and unloading arms have been widely promoted due to their unique safety and controllability. The safety protection design of the fluid loading and unloading arm itself has an important impact on the safety performance of the loading and unloading arm.

[0003] The fluid loading and unloading arm is connected with a liquid phase joint for conveying oil and a gas phase joint for recovering oil and gas. When the fluid loading and unloading arm is not in operation, the liquid phase joint and the gas phase joint are usually left to stand naturally. The outlet liquid in the liquid phase joint is easy to drip onto the ground. The liquid phase joint and the gas phase joint will swing at will. The mechanical structure is unstable and it is easy to cause a safety accident due to a collision due to rotation, which increases the risk of accidents. Summary of the invention

[0004] The purpose of the present invention is to provide a two-phase fluid loading and unloading arm return device which is easy to adjust and install, aiming to solve the problem in the prior art that the liquid phase joint and the gas phase joint have collisions caused by rotation, which may lead to safety accidents.

[0005] The present invention is implemented as follows: a two-phase fluid loading and unloading arm return device that is easy to adjust and install includes a frame, the frame is provided with a gas phase return joint for plugging a gas phase joint and a liquid phase return joint for plugging a liquid phase joint, the liquid phase return joint and the gas phase return joint are respectively installed on the outer side of the frame, the liquid phase return joint is installed with a liquid phase sensor for detecting whether the liquid phase joint is returned, the liquid phase sensor is electrically connected to a liquid phase indicator light, the gas phase return joint is installed with a gas phase sensor for detecting whether the gas phase joint is returned, the gas phase sensor is electrically connected to a gas phase indicator light, the gas phase indicator light and the liquid phase indicator light are respectively installed on the frame, the gas phase return joint is located above the liquid phase return joint, and the liquid phase return joint and the gas phase return joint are arranged with a vertical relative spacing;

[0006] An upper base is connected to the outer side of the frame, and the upper base has an upper inclined end surface arranged obliquely away from the frame, and the bottom of the gas phase return joint is installed on the upper inclined end surface, and the gas phase return joint is arranged obliquely from bottom to top away from the frame;

[0007] The outer side of the frame is connected to a lower base, the lower base has a lower inclined end surface arranged away from the frame, the bottom of the liquid phase return joint is installed on the lower inclined end surface, and the liquid phase return joint is arranged from bottom to top away from the frame in an inclined shape;

[0008] The frame is provided with a flow guiding structure and a liquid receiving structure, wherein the liquid receiving structure is located below the lower base, the flow guiding structure is located above the liquid receiving structure, and the flow guiding structure is located between the gas phase return joint and the liquid phase return joint;

[0009] When the liquid phase connector is inserted into the liquid phase return connector, the liquid phase sensor detects the liquid phase connector, and then the liquid phase sensor feeds back a signal to the liquid phase indicator light, and the liquid phase indicator light turns on;

[0010] When the gas phase connector is inserted into the gas phase return connector and the gas phase sensor detects the gas phase connector, the gas phase sensor feeds back a signal to the gas phase indicator light, and the gas phase indicator light turns on.

[0011] Furthermore, the gas phase homing joint has a first mounting hole, the first mounting hole passes through the top of the gas phase homing joint, and the gas phase sensor is mounted in the first mounting hole;

[0012] When the gas phase connector is inserted into the gas phase return connector, the gas phase sensor movably contacts the gas phase connector;

[0013] The liquid phase return joint has a second mounting hole, the second mounting hole passes through the top of the liquid phase return joint, and the liquid phase sensor is mounted in the second mounting hole;

[0014] When the liquid phase connector is inserted into the liquid phase return connector, the liquid phase sensor movably contacts the liquid phase connector.

[0015] Furthermore, the outer circumference of the gas phase return joint and the outer circumference of the liquid phase return joint are respectively provided with inwardly recessed grooves.

[0016] Furthermore, the top of the gas phase homing joint has an inwardly recessed slot, and the first mounting hole is located in the bottom of the slot.

[0017] Furthermore, a mounting base plate is provided on the bottom of the frame body, and a plurality of bolt holes are provided on the mounting base plate. The plurality of bolt holes are arranged at intervals along the circumference of the mounting base plate, and the bolt holes penetrate the mounting base plate from top to bottom.

[0018] Furthermore, the bolt holes are arranged in an arc-shaped groove shape, and a plurality of the bolt holes are sequentially arranged around and spaced along the circumference of the mounting base plate to form a circular ring shape.

[0019] Furthermore, the liquid receiving structure includes a liquid receiving bucket and a liquid outlet pipe, the liquid outlet pipe is connected to the bottom of the liquid receiving bucket, the liquid receiving bucket has a liquid collecting chamber with a top opening, the liquid collecting chamber is connected to the liquid outlet pipe, and the liquid receiving bucket is located below the lower base.

[0020] Furthermore, the length of the top opening of the liquid receiving hopper is greater than the length of the lower base, and the liquid outlet pipe is connected to a valve.

[0021] Furthermore, the diversion structure includes a liquid diversion bucket and a diversion tube, the top of the diversion tube is connected to the bottom of the liquid diversion bucket, the liquid diversion bucket is connected to the frame, the liquid diversion bucket is located between the upper base and the lower base, the liquid diversion bucket has a diversion cavity with a top opening, the diversion cavity is connected to the diversion tube, the bottom of the diversion tube is inserted in the liquid collecting cavity, and the liquid collecting cavity is connected to the diversion cavity; the length of the top opening of the liquid diversion bucket is greater than the length of the upper base.

[0022] Furthermore, adjusting mechanisms are respectively installed on the outer circumference of the liquid phase return joint and the gas phase return joint, and the adjusting mechanisms include a receiving ring and a mounting seat for providing pressure buffer for the gas phase joint or the liquid phase joint, the receiving ring is sleeved on the outer circumference of the liquid phase return joint or the gas phase return joint, the receiving ring is located above the mounting seat, a plurality of springs are connected between the mounting seat and the receiving ring, and the plurality of springs are arranged at intervals along the circumference of the receiving ring, a pry bar is connected to the mounting seat, the pry bar is rotatably connected to the mounting seat, one end of the pry bar is connected to a pry head, the pry head is located between the mounting seat and the receiving ring, and the other end of the pry bar is located outside the mounting seat.

[0023] Compared with the prior art, the dual-phase fluid loading and unloading arm return device provided by the present invention is easy to adjust and install. The frame can provide a gas phase connector for insertion and positioning through a gas phase return joint, and can provide a liquid phase connector for insertion and positioning through a liquid phase return joint, thereby reducing space and increasing space utilization. The gas phase return joint uses a gas phase sensor to detect whether the gas phase connector is inserted in place, and the liquid phase return joint uses a liquid phase sensor to detect whether the liquid phase connector is inserted in place. The gas phase sensor and the liquid phase sensor remind the staff through the gas phase indicator light and the liquid phase indicator light respectively, making the operation easier and the return easier. The frame is used to guide the residual medium on the gas phase connector into the liquid contact structure through the guide structure, and the liquid contact structure can also be used to collect the residual medium on the liquid phase connector to avoid polluting the on-site environment. The problem that the liquid phase connector and the gas phase connector are prone to collision due to random rotation and cause safety accidents is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of a two-phase fluid loading and unloading arm homing device that is easy to adjust and install provided by the present invention;

[0025] Figure 2 It is a three-dimensional schematic diagram of the frame, the gas phase return joint and the liquid phase return joint provided by the present invention;

[0026] Figure 3 It is a three-dimensional schematic diagram of the liquid contact structure provided by the present invention;

[0027] Figure 4 is a three-dimensional schematic diagram of the diversion structure provided by the present invention;

[0028] Figure 5 It is a schematic diagram of the top view of the mounting base plate provided by the present invention;

[0029] Figure 6 It is a front view cross-sectional structural schematic diagram of the adjustment mechanism provided by the present invention.

[0030] In the figure: frame 10, gas phase return joint 20, liquid phase return joint 30, liquid receiving structure 40, mounting base 50, flow guide structure 60, adjustment mechanism 70, gas phase joint 80, liquid phase joint 90, gas phase indicator light 11, liquid phase indicator light 12, gas phase sensor 21, upper base 22, upper inclined end surface 23, first mounting hole 24, card slot 25, slot 26, liquid phase sensor 31, lower base 32, lower inclined end surface 33, second mounting hole 34, liquid receiving bucket 41, liquid outlet pipe 42, liquid collecting chamber 43, valve 44, bolt hole 51, liquid guide bucket 61, flow guide pipe 62, flow guide chamber 63, receiving ring 71, mounting seat 72, spring 73, pry bar 74, pry head 75. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0033] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] Reference Figure 1-6The figure shows a preferred embodiment of the present invention.

[0035] A two-phase fluid loading and unloading arm homing device that is easy to adjust and install includes a frame 10, on which a gas phase homing joint 20 for plugging a gas phase joint 80 and a liquid phase homing joint 30 for plugging a liquid phase joint 90 are provided, the liquid phase homing joint 30 and the gas phase homing joint 20 are respectively installed on the outer side of the frame 10, a liquid phase sensor 31 for detecting whether the liquid phase joint 90 is homing is installed on the liquid phase homing joint 30, the liquid phase sensor 31 is electrically connected to a liquid phase indicator light 12, a gas phase sensor 21 for detecting whether the gas phase joint 80 is homing is installed on the gas phase homing joint 20, the gas phase sensor 21 is electrically connected to a gas phase indicator light 11, the gas phase indicator light 11 and the liquid phase indicator light 12 are respectively installed on the frame 10, the gas phase homing joint 20 is located above the liquid phase homing joint 30, and the liquid phase homing joint 30 and the gas phase homing joint 20 are arranged with a vertical relative interval;

[0036] An upper base 22 is connected to the outer side of the frame 10, and the upper base 22 has an upper inclined end surface 23 arranged obliquely away from the frame 10. The bottom of the gas phase return joint 20 is installed on the upper inclined end surface 23, and the gas phase return joint 20 is arranged obliquely from the frame 10 from bottom to top; in this way, the frame 10 uses the upper inclined end surface 23 on the upper base 22 to arrange the gas phase return joint 20 obliquely, so that the process of inserting or removing the gas phase joint 80 is more reliable and convenient;

[0037] The lower base 32 is connected to the outer side of the frame 10, and the lower base 32 has a lower inclined end surface 33 arranged obliquely away from the frame 10. The bottom of the liquid phase return joint 30 is installed on the lower inclined end surface 33, and the liquid phase return joint 30 is arranged obliquely from the frame 10 from bottom to top; in this way, the frame 10 uses the lower inclined end surface 33 on the lower base 32 to arrange the liquid phase return joint 30 obliquely, so that the process of inserting or removing the liquid phase joint 90 is more reliable and convenient;

[0038] The frame 10 is provided with a flow guiding structure 60 and a liquid receiving structure 40. The liquid receiving structure 40 is located below the lower base 32, and the flow guiding structure 60 is located above the liquid receiving structure 40. The flow guiding structure 60 is located between the gas phase return joint 20 and the liquid phase return joint 30.

[0039] When the liquid phase connector 90 is inserted into the liquid phase return connector 30, the liquid phase sensor 31 detects the liquid phase connector 90, and then the liquid phase sensor 31 feeds back a signal to the liquid phase indicator light 12, and the liquid phase indicator light 12 lights up;

[0040] When the gas phase connector 80 is inserted into the gas phase return connector 20 and the gas phase sensor 21 detects the gas phase connector 80 , the gas phase sensor 21 feeds back a signal to the gas phase indicator light 11 , and the gas phase indicator light 11 lights up.

[0041] The above-mentioned two-phase fluid loading and unloading arm return device that is easy to adjust and install is provided. The frame 10 can provide the gas phase connector 80 for insertion and positioning through the gas phase return connector 20, and can provide the liquid phase connector 90 for insertion and positioning through the liquid phase return connector 30, thereby reducing space and increasing space utilization. The gas phase return connector 20 uses the gas phase sensor 21 to detect whether the gas phase connector 80 is inserted in place, and the liquid phase return connector 30 uses the liquid phase sensor 31 to detect whether the liquid phase connector 90 is inserted in place. The gas phase sensor 21 and the liquid phase sensor 31 remind the staff through the gas phase indicator light 11 and the liquid phase indicator light 12 respectively, making the operation easier and the return easier; the frame 10 is used to guide the residual medium on the gas phase connector 80 into the liquid contact structure 40 through the guide structure 60, and the liquid contact structure 40 can also be used to collect the residual medium on the liquid phase connector 90 to avoid polluting the on-site environment; the problem that the liquid phase connector 90 and the gas phase connector 80 are prone to collision due to random rotation and cause safety accidents is solved.

[0042] In this embodiment, the gas phase return joint 20 has a first mounting hole 24, the first mounting hole 24 passes through the top of the gas phase return joint 20, and the gas phase sensor 21 is installed in the first mounting hole 24; in this way, it is convenient for the gas phase sensor 21 to detect whether the gas phase joint 80 is returned to its original position, and it is convenient for the gas phase sensor 21 to be energized with the gas phase indicator light 11 on the frame 10;

[0043] When the gas phase connector 80 is inserted into the gas phase return connector 20, the gas phase sensor 21 is movably in contact with the gas phase connector 80;

[0044] The liquid phase return joint 30 has a second mounting hole 34, which passes through the top of the liquid phase return joint 30, and the liquid phase sensor 31 is mounted in the second mounting hole 34; thus, it is convenient for the liquid phase sensor 31 to detect whether the liquid phase joint 90 is returned to its original position, and it is convenient for the liquid phase sensor 31 to be energized with the liquid phase indicator light 12 on the frame 10;

[0045] When the liquid phase connector 90 is inserted into the liquid phase return connector 30 , the liquid phase sensor 31 movably contacts the liquid phase connector 90 .

[0046] In this embodiment, the outer circumference of the gas phase return joint 20 and the outer circumference of the liquid phase return joint 30 are respectively provided with inwardly recessed grooves 25. In this way, the gas phase joint 80 and the gas phase return joint 20 can be more closely connected through the grooves 25, and the liquid phase joint 90 and the liquid phase return joint 30 can be more closely connected through the grooves 25.

[0047] In this embodiment, the top of the gas phase homing joint 20 has an inwardly recessed slot 26, and the first mounting hole 24 is located at the bottom of the slot 26. In this way, the gas phase homing joint 20 can use the slot 26 for the gas phase joint 80 to be inserted and positioned, making the connection between the two more stable.

[0048] In this embodiment, a mounting base plate 50 is provided at the bottom of the frame 10 , and a plurality of bolt holes 51 are provided on the mounting base plate 50 . The plurality of bolt holes 51 are arranged at intervals around the circumference of the mounting base plate 50 , and the bolt holes 51 penetrate the mounting base plate 50 from top to bottom.

[0049] The frame 10 can be installed and positioned on the ground through the installation base plate 50. The use of multiple bolt holes 51 for multiple bolts to be inserted and installed can increase the stability of the connection between the installation base plate 50 and the ground. The product structure can be quickly disassembled, and the tools are single, making subsequent maintenance more convenient.

[0050] In this embodiment, the bolt holes 51 are arranged in an arc-shaped groove shape, and a plurality of bolt holes 51 are arranged in a circular ring shape in a circle around the circumference of the mounting base plate 50. In this way, it is convenient to adjust and fix in different unknown working conditions, and the design diversity of the mounting base plate 50 is increased; secondly, all parts of the homing device are detachable devices, and the bolts are of uniform size and the tools are single, which is convenient for later maintenance and replacement.

[0051] In this embodiment, the liquid receiving structure 40 includes a liquid receiving bucket 41 and a liquid outlet pipe 42. The liquid outlet pipe 42 is connected to the bottom of the liquid receiving bucket 41. The liquid receiving bucket 41 has a liquid collecting chamber 43 with a top opening. The liquid collecting chamber 43 is connected to the liquid outlet pipe 42. The liquid receiving bucket 41 is located below the lower base 32.

[0052] The liquid receiving hopper 41 utilizes the liquid collecting chamber 43 with the top opening to collect the residual medium on the liquid phase joint 90 and the gas phase joint 80 , and the collected medium can be recycled through the liquid outlet pipe 42 , which is energy-saving and environmentally friendly.

[0053] In this embodiment, the length of the top opening of the liquid receiving hopper 41 is greater than the length of the lower base 32 , and a valve 44 is connected to the liquid outlet pipe 42 .

[0054] When the residual medium on the liquid phase joint 90 flows to the lower inclined end surface 33 of the lower base 32, the lower inclined end surface 33 is used to guide the residual medium to the top opening of the liquid receiving bucket 41; when the residual medium on the gas phase joint 80 flows to the upper inclined end surface 23 of the upper base 22, the upper inclined end surface 23 is used to guide the residual medium to the guide structure 60, and the guide structure 60 is connected to the top opening of the liquid receiving bucket 41; the liquid outlet pipe 42 can discharge the residual medium from the liquid collecting chamber 43 through the valve 44.

[0055] In this embodiment, the flow guide structure 60 includes a liquid guide bucket 61 and a flow guide tube 62. The top of the flow guide tube 62 is connected to the bottom of the liquid guide bucket 61. The liquid guide bucket 61 is connected to the frame 10. The liquid guide bucket 61 is located between the upper base 22 and the lower base 32. The liquid guide bucket 61 has a flow guide cavity 63 with a top opening. The flow guide cavity 63 is connected to the flow guide tube 62. The bottom of the flow guide tube 62 is inserted into the liquid collecting cavity 43. The liquid collecting cavity 43 is connected to the flow guide cavity 63. The length of the top opening of the liquid guide bucket 61 is greater than the length of the upper base 22.

[0056] When the residual medium on the gas phase joint 80 flows to the upper inclined end surface 23 of the upper base 22, the upper inclined end surface 23 is used to guide the residual medium to the top opening of the guide cavity 63, and the guide cavity 63 uses the guide tube 62 to discharge the residual medium into the liquid collecting cavity 43.

[0057] In this embodiment, an adjusting mechanism 70 is respectively installed on the outer periphery of the liquid phase return joint 30 and the gas phase return joint 20. The adjusting mechanism 70 includes a receiving ring 71 and a mounting seat 72 for providing pressure and buffering for the gas phase joint 80 or the liquid phase joint 90. The receiving ring 71 is sleeved on the outer periphery of the liquid phase return joint 30 or the gas phase return joint 20. The receiving ring 71 is located above the mounting seat 72. A plurality of springs 73 are connected between the mounting seat 72 and the receiving ring 71. The plurality of springs 73 are arranged at intervals along the circumference of the receiving ring 71. A pry bar 74 is connected to the mounting seat 72. The pry bar 74 is rotatably connected to the mounting seat 72. A pry head 75 is connected to one end of the pry bar 74. The pry head 75 is located between the mounting seat 72 and the receiving ring 71. The other end of the pry bar 74 is located outside the mounting seat 72.

[0058] The adjusting mechanism 70 utilizes the receiving ring 71 in combination with the plurality of springs 73 to reduce the impact force during the insertion of the liquid phase connector 90 or the gas phase connector 80, so as to facilitate the installation of the adjusting liquid phase connector 90 inserted on the liquid phase return connector 30, and also facilitate the installation of the adjusting gas phase connector 80 inserted on the gas phase return connector 20;

[0059] The mounting seat 72 is used to provide a fulcrum for the receiving ring 71 and the spring 73. The liquid phase connector 90 or the gas phase connector 80 can be pried upward by the pry head 75 on the pry bar 74, so that the liquid phase connector 90 can be more easily separated from the liquid phase return connector 30 or the gas phase connector 80 can be more easily separated from the gas phase return connector 20, thereby improving the separation of the liquid phase connector 90 or the gas phase connector 80.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A two-phase fluid loading and unloading arm return device that is easy to adjust and install, characterized in that: The invention comprises a frame, on which a gas phase return joint for plugging a gas phase joint and a liquid phase return joint for plugging a liquid phase joint are provided, the liquid phase return joint and the gas phase return joint are respectively mounted on the outer side of the frame, a liquid phase sensor for detecting whether the liquid phase joint is returned to its position is mounted on the liquid phase return joint, the liquid phase sensor is electrically connected to a liquid phase indicator light, a gas phase sensor for detecting whether the gas phase joint is returned to its position is mounted on the gas phase return joint, the gas phase sensor is electrically connected to a gas phase indicator light, the gas phase indicator light and the liquid phase indicator light are respectively mounted on the frame, the gas phase return joint is located above the liquid phase return joint, and the liquid phase return joint and the gas phase return joint are arranged with a relative vertical spacing; An upper base is connected to the outer side of the frame, and the upper base has an upper inclined end surface arranged obliquely away from the frame, and the bottom of the gas phase return joint is installed on the upper inclined end surface, and the gas phase return joint is arranged obliquely from bottom to top away from the frame; The outer side of the frame is connected to a lower base, the lower base has a lower inclined end surface arranged away from the frame, the bottom of the liquid phase return joint is installed on the lower inclined end surface, and the liquid phase return joint is arranged from bottom to top away from the frame in an inclined shape; The frame is provided with a flow guiding structure and a liquid receiving structure, wherein the liquid receiving structure is located below the lower base, the flow guiding structure is located above the liquid receiving structure, and the flow guiding structure is located between the gas phase return joint and the liquid phase return joint; When the liquid phase connector is inserted into the liquid phase return connector, the liquid phase sensor detects the liquid phase connector, and then the liquid phase sensor feeds back a signal to the liquid phase indicator light, and the liquid phase indicator light turns on; When the gas phase connector is inserted into the gas phase return connector and the gas phase sensor detects the gas phase connector, the gas phase sensor feeds back a signal to the gas phase indicator light, and the gas phase indicator light turns on.

2. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in claim 1, characterized in that: The gas phase homing joint has a first mounting hole, the first mounting hole passes through the top of the gas phase homing joint, and the gas phase sensor is mounted in the first mounting hole; When the gas phase connector is inserted into the gas phase return connector, the gas phase sensor movably contacts the gas phase connector; The liquid phase return joint has a second mounting hole, the second mounting hole passes through the top of the liquid phase return joint, and the liquid phase sensor is mounted in the second mounting hole; When the liquid phase connector is inserted into the liquid phase return connector, the liquid phase sensor movably contacts the liquid phase connector.

3. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in claim 2, characterized in that: The outer circumference of the gas phase return joint and the outer circumference of the liquid phase return joint are respectively provided with inwardly recessed grooves.

4. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in claim 3, characterized in that: The top of the gas phase homing joint has an inwardly recessed slot, and the first mounting hole is located in the bottom of the slot.

5. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in claim 4, characterized in that: A mounting base plate is provided on the bottom of the frame body, and a plurality of bolt holes are provided on the mounting base plate. The plurality of bolt holes are arranged at intervals along the circumference of the mounting base plate, and the bolt holes penetrate the mounting base plate from top to bottom.

6. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in claim 5, characterized in that: The bolt holes are arranged in an arc-shaped groove shape, and a plurality of the bolt holes are arranged in a circle in sequence along the circumference of the mounting base plate.

7. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in any one of claims 2 to 6, characterized in that: The liquid receiving structure includes a liquid receiving bucket and a liquid outlet pipe, wherein the liquid outlet pipe is connected to the bottom of the liquid receiving bucket, and the liquid receiving bucket is provided with a liquid collecting chamber with a top opening, wherein the liquid collecting chamber is connected to the liquid outlet pipe, and the liquid receiving bucket is located below the lower base.

8. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in any one of claims 2 to 6, characterized in that: The length of the top opening of the liquid receiving hopper is greater than the length of the lower base, and the liquid outlet pipe is connected with a valve.

9. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in claim 8, characterized in that: The flow guiding structure includes a liquid guiding bucket and a flow guiding tube, the top of the flow guiding tube is connected to the bottom of the liquid guiding bucket, the liquid guiding bucket is connected to the frame, the liquid guiding bucket is located between the upper base and the lower base, the liquid guiding bucket is provided with a flow guiding cavity with a top opening, the flow guiding cavity is communicated with the flow guiding tube, the bottom of the flow guiding tube is inserted in the liquid collecting cavity, the liquid collecting cavity is communicated with the flow guiding cavity; the length of the top opening of the liquid guiding bucket is greater than the length of the upper base.

10. The dual-phase fluid loading and unloading arm homing device that is easy to adjust and install as claimed in any one of claims 1 to 6, characterized in that: Adjustment mechanisms are respectively installed on the outer circumference of the liquid phase return joint and the gas phase return joint, and the adjustment mechanism includes a receiving ring and a mounting seat for providing pressure buffer for the gas phase joint or the liquid phase joint. The receiving ring is sleeved on the outer circumference of the liquid phase return joint or the gas phase return joint, and the receiving ring is located above the mounting seat. A plurality of springs are connected between the mounting seat and the receiving ring, and the plurality of springs are arranged at intervals along the circumference of the receiving ring. A pry bar is connected to the mounting seat, and the pry bar is rotatably connected to the mounting seat. A pry head is connected to one end of the pry bar, and the pry head is located between the mounting seat and the receiving ring, and the other end of the pry bar is located outside the mounting seat.

Images