An unpowered wind protection liquid collecting device for a loading arm and a method of using the same

Abstract

The application discloses a non-powered windproof liquid collecting device for a loading arm and a use method thereof. The device comprises a vertical pipe, a liquid collecting box with a cavity, a liquid leakage recovery swing plate arranged below a through hole, a liquid leakage recovery swing plate reset mechanism comprising a connecting rod I and a trigger I, a liquid discharge mechanism arranged on the top of the liquid collecting box and comprising a connecting rod II and a trigger II. Compared with the existing liquid collecting box, the liquid collecting box has better windproof effect and effectively avoids residual liquid from being blown outside by wind. On the other hand, the liquid leakage recovery swing plate in the liquid collecting box can recover residual liquid when the vertical pipe is not released, and is automatically inclined when the vertical pipe is released. After the vertical pipe is released into a tank car, the liquid discharge mechanism automatically releases the previously collected residual liquid into the liquid collecting box, so that the liquid is recovered twice. After the liquid delivery is completed, the liquid leakage recovery swing plate is restored to the initial state, and the liquid discharge mechanism no longer discharges liquid. The whole process is non-powered driving, and the structure has good stability.

Description

Technical Field

[0001] This invention relates to the field of loading arm liquid transport equipment technology, specifically to a non-powered windproof liquid collection device for loading arms and its usage method. Background Technology

[0002] Tanker trucks are transport vehicles with a tank-shaped body, used to transport various liquids, liquefied gases, and powdered goods, including gasoline, crude oil, various viscous oils, vegetable oils, liquid ammonia, alcohol, water, and various acidic and alkaline liquids. During the loading and unloading of hazardous liquids, residual liquid may drip as the loading arm's vertical pipe rises, causing environmental pollution and even personal injury in windy conditions. Therefore, we need to treat this residual liquid in a targeted manner. Most existing liquid collection devices use a rotatable collection box that is fixed in a certain position. However, in actual use, when the vertical pipe rises from the tank opening to the top of the collection box, a small amount of residual liquid still drips out and is easily blown by the wind onto the roof or outside the vehicle, causing unnecessary property damage and personal injury. Therefore, we have carried out technical modifications to existing products to meet the liquid transport needs of loading arms. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a compact, windproof, non-powered windproof liquid collection device for loading arms and its usage method.

[0004] The technical problem to be solved by the present invention is achieved through the following technical solution: the device includes, A vertical tube, one end of which is connected to the loading arm and is set as the vertical tube connection end, and the other end of which is set as the vertical tube drive end; The liquid collection box has an internal cavity, a through hole in the middle of the liquid collection box and is mounted on the outer circumferential surface of the vertical tube by a sliding centering mechanism, and a drain hole is provided at the bottom of the liquid collection box. A leakage recovery swing plate is set directly below the through hole. One end of the leakage recovery swing plate is hinged to the inner wall of the collection box and is set as the leakage end, and the other end is set as the swing end. The leakage recovery swing plate reset mechanism includes a connecting rod I and a trigger I. One end of the connecting rod I is hinged to the inner wall of the liquid collection box and is set as the connecting end of the connecting rod I. The other end is hinged to the leakage recovery swing plate and is set as the driving end of the connecting rod I. The trigger I is fixed on the outer circumferential surface of the vertical tube driving end. The draining mechanism located at the top of the collection box includes a connecting rod II and a trigger II. One end of the connecting rod II abuts against the drain hole and is set as the sealing end of the connecting rod II, and the other end is set as the driving end of the connecting rod II. The trigger II is fixed on the outer circumferential surface of the vertical pipe connection end. When the vertical tube does not extend out of the collection box, the trigger I abuts against the connecting rod I and the leakage end and the swing end of the leakage recovery swing plate are located on both sides of the through hole. At this time, the sealing end of the connecting rod II abuts against the drain hole and seals the drain hole. When the vertical tube extends out of the collection box, the trigger I no longer abuts against the connecting rod I, and the swing end swings to below the leakage end and is on the same side of the through hole as the leakage end. At this time, the trigger II abuts against the driving end of the connecting rod II and makes the blocking end of the connecting rod II no longer block the drainage hole.

[0005] Preferably, the sliding centering mechanism includes several sets of sliding centering assemblies, which are circumferentially arranged on the inner circumferential surface of the through hole. Each set of sliding centering assemblies includes a mounting shell and several centering guide rollers. The outer side wall of the mounting shell is in contact with the inner circumferential surface of the through hole, and the inner side wall faces the outer circumferential surface of the vertical tube and is provided with a centering guide roller mounting groove. Several centering guide rollers are rotatably installed in the centering guide roller mounting groove, with the outer peripheral surface of the centering guide rollers in line contact with the outer peripheral surface of the vertical tube, thereby keeping the axis of the liquid collection box collinear with the axis of the vertical tube during the raising and lowering of the vertical tube.

[0006] Preferably, a raised edge I for installing a sliding centering mechanism is provided on the top edge of the through hole extending outward along the axis of the liquid collection box. A plurality of mounting grooves for installing the sliding centering mechanism are provided on the inner circumferential surface of the raised edge I. The outer side wall of the mounting shell is bolted into the mounting groove.

[0007] Preferably, the connecting rod I includes a connecting rod I fixing member, a connecting rod I abutting member, and a connecting rod I connecting member, wherein the connecting rod I fixing member and the connecting rod I connecting member are located on both sides of the through hole; One end of the connecting rod I is hinged to the middle of the leakage recovery swing plate and is set as the driving end of the connecting rod I; the other end is hinged to one end of the connecting rod I abutment. One end of the connecting rod I fixing member is hinged to the inner wall of the liquid collection box and is set as the connecting end of the connecting rod I; the other end is hinged to one end of the connecting rod I connecting member; the connecting rod I abutment member is located directly above the trigger member I; the bottom surface of the connecting rod I abutment member forms an abutment surface that can abut against the top surface of the trigger member I. The trigger element I is a boss formed on the outer peripheral surface of the bottom of the vertical tube drive end, and the outer diameter of the boss is smaller than the inner diameter of the through hole.

[0008] Preferably, the connecting rod II includes a connecting rod II sealing component and a connecting rod II driving component; The connecting rod II sealing component includes a sealing rod, a guide cylinder, and a reset elastic element. The bottom end of the sealing rod extends into the liquid collection box and faces the drain hole, while the top end extends out of the top of the liquid collection box. The guide cylinder is sleeved on the sealing rod and its top end is fixed to the top inner wall of the liquid collection box. One end of the reset elastic element abuts against the top inner wall of the guide cylinder, and the other end abuts against the middle outer circumferential surface of the sealing rod. The middle part of the connecting rod II drive is rotatably connected to the flange I, one end of the connecting rod II drive is hinged to the top of the sealing rod, and the other end is located directly below the trigger II. The trigger element II includes a trigger element II connecting plate and a trigger element II trigger rod; One end of the connecting plate of the trigger element II is fixedly connected to the outer peripheral surface of the vertical pipe connecting end, and the other end is fixedly connected to the upper end of the trigger rod of the trigger element II; The lower end of the trigger rod of trigger element II is directly opposite the end of the drive element of connecting rod II.

[0009] Preferably, a lower through hole is provided in the middle of the bottom surface of the liquid collection box, and a protruding edge II is fixedly extended vertically upward along its axis at the end edge of the lower through hole. The space between the outer peripheral surface of the protruding edge II and the inner peripheral surface of the liquid collection box forms a liquid storage space. The swing end edge of the aforementioned liquid recovery swing plate is fixedly extended with a residual liquid guide edge. When the swing end swings to below the leakage end, the residual liquid guide edge is directly facing the liquid storage space.

[0010] Preferably, it also includes a vertical tube distance detection mechanism, which includes a mounting plate, a mounting bracket, and a distance sensor; The mounting plate is fixed to the top surface of the liquid collection box, and a waist-shaped groove is provided on the mounting plate; The mounting bracket is bolted to the slot in the mounting plate; The distance sensor is fixedly mounted on the mounting bracket, with its detection end facing the trigger rod of the trigger element II.

[0011] Preferably, it also includes a guiding mechanism, which includes a guide rod whose axis is collinear with the axis of the liquid collection box. The outer peripheral surface of the guide rod is fixed to the outer peripheral surface of the vertical tube, and a limiting slide is provided on the inner peripheral surface of the convex edge I to allow the guide rod to pass through.

[0012] Preferably, it also includes a liquid level detection mechanism, which includes a liquid level gauge and a liquid level gauge mounting groove. The liquid level gauge mounting groove is formed on the outer peripheral surface of the vertical pipe, and the liquid level gauge is embedded in the liquid level gauge mounting groove.

[0013] Preferably, a method for using a non-powered windproof liquid collection device for loading arms, wherein the method adopts the above-mentioned technical solution for the non-powered windproof liquid collection device for loading arms, comprises the following steps: (1) No liquid delivery state: At this time, the liquid collection box is located at the drive end of the vertical pipe. The contact surface of the connecting rod I of the liquid recovery swing plate reset mechanism abuts against the top surface of the trigger I, so that the liquid recovery swing plate is located directly below the through hole. At this time, the residual liquid on the inner wall of the vertical pipe drips onto the liquid recovery swing plate by its own weight and is recovered into the liquid collection box along with the liquid recovery swing plate. Since the reset elastic element in the drain mechanism abuts the sealing rod against the drain hole, the liquid in the liquid collection box is always stored in the liquid storage space of the liquid collection box. (2) Liquid transfer status: When the vertical pipe of the loading arm reaches directly above the tanker opening, the loading arm slowly releases the vertical pipe. The vertical pipe and the collection box fall onto the tanker opening by their own weight. After the bottom of the collection box falls onto the tanker opening, the collection box will no longer continue to descend with the vertical pipe, while the vertical pipe can continue to descend into the tanker opening. During the continued descent of the vertical pipe, since the connecting rod I in the leakage recovery swing plate reset mechanism no longer abuts against the top surface of the trigger I, the swing end of the leakage recovery swing plate will rotate downward around its leakage end due to its own weight, so that the swing end and the leakage end are aligned. On the same side of the through hole, and with the leakage recovery swing plate tilted towards the root of the protrusion II and the collection box, the liquid attached to the leakage recovery swing plate can drip naturally into the collection box. When the vertical pipe distance detection mechanism detects that the trigger rod of the discharge mechanism II has descended to the end of the connecting rod drive, the vertical pipe will no longer descend. The other end of the connecting rod drive will drive the sealing rod to move upward and compress the reset elastic element. At this time, the discharge hole will no longer be blocked, and the liquid in the collection box will fall into the tank truck opening by gravity through the discharge hole. (3) Recovery of the vertical pipe: After the vertical pipe finishes transporting liquid, it is recovered. During the upward movement of the vertical pipe, the trigger I located on the drive end of the vertical pipe abuts against the contact surface of the connecting rod I in the liquid recovery swing plate reset mechanism, so that the swing end of the liquid recovery swing plate swings to the initial position, that is, the leakage end and the swing end of the liquid recovery swing plate are located on both sides of the through hole, and the liquid recovery swing plate is located directly below the through hole. At this time, the residual liquid dripping by the weight of the vertical pipe continues to drip into the liquid storage space through the liquid recovery swing plate. As the trigger II at the connection end of the vertical pipe moves away from the connecting rod drive and no longer abuts against the end of the connecting rod drive, the reset elastic element in the compressed state returns to the initial state and abuts the sealing rod against the drain hole.

[0014] Compared with the prior art, the beneficial technical effects of the present invention are: (1) The liquid collection box is a box-type structure, which has a better windproof effect than the existing liquid collection box and can effectively prevent residual liquid from being blown outside by the wind. On the other hand, the liquid collection box can recover residual liquid in the state where the vertical pipe is not released, and automatically tilt in the state where the vertical pipe is released. After being released into the tank truck with the vertical pipe, the liquid discharge mechanism automatically releases the previously collected residual liquid into the liquid collection box, achieving the purpose of secondary liquid recovery. After the liquid transfer is completed, the liquid collection swing plate is restored to the initial state, and the liquid discharge mechanism stops discharging liquid. The whole process is driven without power and has good structural stability. (2) During the downward movement of the vertical tube and the liquid collection box, the sliding centering mechanism can always keep the axes of the two collinear, which makes the cooperation stability of the vertical tube and the liquid collection box better during the sliding contact. (3) The residual liquid guide edge set at the end edge of the swing end of the leakage recovery swing plate can further guide the liquid attached to the leakage recovery swing plate in the state of the vertical tube release, so that the residual liquid drops into the liquid storage space and avoids the residual liquid drops onto the inner circumferential surface of the protrusion II. Its structural design is reasonable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the present invention in the unreleased state of the vertical tube; Figure 2 This is a schematic diagram of the main structure of the present invention in the state of the vertical tube being released; Figure 3 This is a three-dimensional structural diagram of the liquid collection box of the present invention; Figure 4 for Figure 1 A schematic diagram of the main structure after removing the liquid collection box; Figure 5 for Figure 2 A schematic diagram of the main structure after removing the liquid collection box.

[0016] In the picture: 1. Vertical tube; 101. Vertical tube connection end; 102. Vertical tube drive end; 2. Liquid collection box; 3. Through hole; 4. Drain hole; 5. Leakage recovery swing plate; 501. Leakage end; 502. Swing end; 503. Baffle; 504. Connecting end of connecting rod I; 505. Driving end of connecting rod I; 506. Trigger I; 507. Blocking end of connecting rod II; 508. Driving end of connecting rod II; 509. Residual liquid guide edge; 6. Mounting housing; 7. Centering guide roller; 8. Lug I; 9. Mounting groove; 10. Connecting rod I fixing part; 11. Connecting rod I abutment part; 12. Connecting rod I connecting part; 13. Connecting rod II sealing component; 1301. Sealing rod; 1302. Guide cylinder; 1303. Reset elastic element; 14. Connecting rod II drive component; 1501, Trigger II connecting plate; 1502, and Trigger II trigger rod; 16. Lower through hole; 17. Raised edge II; 181. Mounting plate; 182. Mounting bracket; 183. Distance sensor; 191. Guide rod; 192. Square limiting slide; 2001, Level gauge; 2002, Level gauge mounting slot. Detailed Implementation

[0017] The specific technical solutions of the present invention will be further described below with reference to the accompanying drawings, so as to enable those skilled in the art to further understand the present invention, without constituting a limitation on its rights.

[0018] Example 1, referring to Figure 1-5 A non-powered windproof liquid collection device for loading arms and its method of use, the device comprising, The vertical tube 1 is formed as a generally vertical tube structure, which is part of the existing loading arm and is raised / lowered by the loading arm. One end of the vertical tube 1 is connected to the loading arm (not shown in the figure) and is set as the vertical tube connection end 101, and the other end is set as the vertical tube drive end 102. The liquid collection box 2 has an internal cavity and is formed into a roughly hollow cylindrical box structure. The liquid collection box 2 has a through hole 3 in the middle and is installed on the outer circumference of the vertical pipe 1 by a sliding centering mechanism. A drain hole 4 is provided at the bottom of the liquid collection box 2. The distance from the center of the drain hole 4 to the axis of the vertical pipe 1 is smaller than the radius of the general tank truck opening, so as to ensure that the liquid discharged from the drain hole 4 can fall into the tank truck opening by its own weight. A leakage recovery swing plate 5 is set directly below the through hole 3. The leakage recovery swing plate 5 is formed into a roughly square plate structure, wherein the two sides form the leakage end 501 and the swing end 502, and the other two sides are vertically fixed with baffles 503 to guide the liquid, so that the liquid can only leak into the bottom of the liquid collection box 2 from the leakage end 501 or the swing end 502. One end of the leakage recovery swing plate 5 is hinged to the inner wall of the liquid collection box 2 and is set as the leakage end 501, and the other end is set as the swing end 502. The leakage recovery swing plate reset mechanism includes a connecting rod I and a trigger I. One end of the connecting rod I is hinged to the inner wall of the liquid collection box 2 and is set as the connecting rod I connecting end 504. The other end is hinged to the leakage recovery swing plate 5 and is set as the connecting rod I driving end 505. The trigger I 506 is fixed on the outer peripheral surface of the vertical pipe connecting end 102. The draining mechanism located on top of the liquid collection box 2 includes a connecting rod II and a trigger II. One end of the connecting rod II abuts against the drain hole 4 and is set as the connecting rod II sealing end 507, and the other end is set as the connecting rod II driving end 508. The trigger II is fixed on the outer peripheral surface of the vertical tube connection end 101. When the vertical tube 1 does not extend out of the liquid collection box 2, the trigger I 506 abuts against the connecting rod I and the leakage end 501 and the swing end 502 of the leakage recovery swing plate 5 are located on both sides of the through hole 3. At this time, the blocking end 507 of the connecting rod II abuts against the drain hole 4 and blocks the drain hole 4. When the vertical tube 1 extends out of the liquid collection box 2, the trigger I 506 no longer abuts against the connecting rod I, and the swing end 502 swings to the bottom of the leakage end 501 and is on the same side of the through hole 3. At this time, the trigger II abuts against the driving end 508 of the connecting rod II and makes the blocking end 507 of the connecting rod II no longer block the drain hole 4.

[0019] In Example 1, the liquid collection box 2 is a closed box structure, which has a better windproof effect than the existing liquid collection box 2, and can effectively prevent residual liquid from being blown outside by the wind. On the other hand, the leakage recovery swing plate 5 in the liquid collection box 2 can recover residual liquid when the vertical pipe 1 is not released, and automatically tilt when the vertical pipe 1 is released. After being released into the tank truck along with the vertical pipe 1, the liquid discharge mechanism automatically releases the previously collected residual liquid into the liquid collection box 2, achieving the purpose of secondary liquid recovery. After the liquid transfer is completed, the leakage recovery swing plate 5 is restored to the initial state, and the liquid discharge mechanism stops discharging liquid. The whole process is driven without power, and the structure has good stability.

[0020] Example 2, a non-powered windproof liquid collection device for loading arms as described in Example 1, wherein the sliding centering mechanism includes several sets of sliding centering assemblies, which are circumferentially arranged on the inner circumferential surface of the through hole 3. Each set of sliding centering assemblies includes a mounting shell 6 and several centering guide rollers 7. The outer side wall of the mounting shell 6 is connected to the inner circumferential surface of the through hole 3, and the inner side wall faces the outer circumferential surface of the vertical tube 1 and is provided with a centering guide roller mounting groove. The mounting shell 6 is formed into a roughly square shell-shaped structure, and the centering guide roller mounting groove is formed into a roughly square groove-shaped structure. Several centering guide rollers 7 are rotatably installed in the centering guide roller mounting groove. The number of centering guide rollers 7 can be selected according to the usage requirements. The outer peripheral surface of the centering guide rollers 7 is in line contact with the outer peripheral surface of the vertical pipe 1, so as to keep the axis of the liquid collection box 2 collinear with the axis of the vertical pipe 1 during the lifting and lowering of the vertical pipe 1.

[0021] In Example 2, during the downward movement of the vertical tube 1 and the liquid collection box 2, the sliding centering mechanism can always keep the axes of the two collinear, which makes the cooperation stability of the vertical tube 1 and the liquid collection box 2 better during the sliding contact. The number of sliding centering assemblies can be selected according to the usage requirements.

[0022] Example 3: A non-powered windproof liquid collection device for loading arms as described in Example 2 has a raised edge I8 extending outward along the axis of the liquid collection box 2 at the top edge of the through hole 3 for installing a sliding centering mechanism. The cross-section of the raised edge I8 is roughly circular, and it is roughly hollow. Several mounting grooves 9 for installing the sliding centering mechanism are formed on the inner circumferential surface of the raised edge I8. The mounting grooves 9 are roughly square in structure. The outer wall of the mounting shell 6 is bolted into the mounting grooves 9.

[0023] In Example 3, the purpose of the design of the protruding edge I8 is to facilitate the installation of the sliding centering mechanism and to make the volume of the sliding centering mechanism protruding from the inner circumferential surface of the protruding edge I8 as small as possible.

[0024] Example 4, a non-powered windproof liquid collection device for loading arms as described in Example 3, wherein the connecting rod I includes a connecting rod I fixing part 10, a connecting rod I abutting part 11 and a connecting rod I connecting part 12, wherein the connecting rod I fixing part 10 and the connecting rod I connecting part 12 are located on both sides of the through hole 3; One end of the connecting rod I connector 12 is hinged to the middle of the leakage recovery swing plate 5 and is set as the driving end 505 of the connecting rod I. The other end is hinged to one end of the connecting rod I abutment 11. The connecting rod I connector 12 is formed into a roughly square rod structure. One end of the connecting rod I fixing member 10 is hinged to the inner wall of the liquid collection box 2 and is set as the connecting end 504 of the connecting rod I. The other end is hinged to one end of the connecting rod I connecting member 12. The connecting rod I fixing member 10 is formed into a roughly square rod-shaped structure. The connecting rod I abutment member 11 is located directly above the trigger member I 506. The bottom surface of the connecting rod I abutment member 11 forms an abutment surface that can abut against the top surface of the trigger member I 506. The trigger member I506 is a boss formed on the bottom outer peripheral surface of the vertical tube drive end 102. The outer diameter of the boss is smaller than the inner diameter of the through hole 3, and the boss is formed into a roughly cylindrical structure.

[0025] In Example 4, when the vertical pipe 1 is not released, the liquid collection box 2 is located at the vertical pipe drive end 102. The contact surface of the connecting rod I abutting part 11 of the leakage recovery swing plate reset mechanism abuts against the top surface of the triggering part I 506, so that the leakage recovery swing plate 5 is located directly below the through hole 3. At this time, the residual liquid on the inner wall of the vertical pipe 1 drips onto the leakage recovery swing plate 5 by its own weight and is recovered into the liquid collection box 2 along with the leakage recovery swing plate 5. Since the reset elastic element in the drainage mechanism abuts the sealing rod against the drainage hole 4, the liquid in the liquid collection box 2 is always accumulated in the liquid storage space of the liquid collection box 2. When the vertical pipe 1 is released, the vertical pipe 1 and the liquid collection box 2 fall onto the tank truck opening by their own weight. After the bottom of the liquid collection box 2 lands on the tanker opening, the liquid collection box 2 will no longer continue to descend with the vertical pipe 1, while the vertical pipe 1 can continue to descend into the tanker opening. During the descent of the vertical pipe 1, since the connecting rod I abutting part 11 in the liquid recovery swing plate reset mechanism no longer abuts against the top surface of the triggering part I 506, the swing end 502 of the liquid recovery swing plate 5 will rotate downward around its leakage end 501 due to its own weight, so that the swing end 502 and the leakage end 501 are on the same side of the through hole 3, and the liquid recovery swing plate 5 is kept tilted towards the root position where the convex edge II connects with the liquid collection box 2. At this time, the liquid attached to the liquid recovery swing plate 5 can drip naturally into the liquid collection box 2.

[0026] Example 5, a non-powered windproof liquid collection device for loading arms as described in Example 3, wherein the connecting rod II includes a connecting rod II sealing component 13 and a connecting rod II driving component 14; The connecting rod II sealing component 13 includes a sealing rod 1301, a guide cylinder 1302, and a reset elastic element 1303. The bottom end of the sealing rod 1301 extends into the liquid collection box 2 and faces the drain hole 4, while the top end extends out of the top of the liquid collection box 2. The sealing rod 1301 is formed into a generally cylindrical rod structure. The guide cylinder 1302 is sleeved on the sealing rod 1301 and its top end is fixed to the top inner wall of the liquid collection box 2. The guide cylinder 1302 is formed into a generally hollow cylindrical structure. One end of the reset elastic element 1303 abuts against the top inner wall of the guide cylinder 1302, and the other end abuts against the middle outer circumferential surface of the sealing rod 1301. The middle part of the connecting rod II drive member 14 is rotatably connected to the protruding edge I8. One end of the connecting rod II drive member 14 is hinged to the top of the sealing rod 1301, and the other end is located directly below the trigger member II. The connecting rod II drive member 14 is formed into a roughly square plate structure. The trigger element II includes a trigger element II connecting plate 1501 and a trigger element II trigger rod 1502. The trigger element II connecting plate 1501 is formed into a generally square plate structure, and the trigger element II trigger rod 1502 is formed into a generally cylindrical structure. One end of the trigger II connecting plate 1501 is fixedly connected to the outer peripheral surface of the vertical tube connecting end 101, and the other end is fixedly connected to the upper end of the trigger rod 1502 of the trigger II. The trigger II connecting plate 1501 is formed into a roughly square plate structure. The lower end of the trigger rod 1502 of the trigger member II is directly opposite the end of the drive member 14 of the connecting rod II.

[0027] In Example 5, the linkage between the connecting rod II sealing component 13 and the connecting rod II driving component 14 enables the drain hole 4 to automatically drain liquid, so that there is no power consumption for draining liquid; It should be noted that an O-ring can be fixed on one end of the sealing rod 1301 near the drain hole 4 to increase the sealing performance.

[0028] Example 6, a non-powered windproof liquid collection device for loading arms as described in Example 3, has a lower through hole 16 in the middle of the bottom surface of the liquid collection box 2. The axes of the through hole 3 and the lower through hole 16 are collinear and have the same inner diameter. A protruding edge II17 is fixedly extended vertically upward along its axis at the end edge of the lower through hole 16. The space between the outer peripheral surface of the protruding edge II17 and the inner peripheral surface of the liquid collection box 2 forms a liquid storage space. The protruding edge II17 is formed into a roughly cylindrical structure. The oscillating end 502 of the leakage recovery oscillating plate 5 is fixedly extended with a residual liquid guide edge 509. The residual liquid guide edge 509 is formed into a roughly square plate structure, and its width is smaller than the width of the leakage recovery oscillating plate 5. Its specific size can be selected according to the usage requirements. When the oscillating end 502 swings to below the leakage end 501, the residual liquid guide edge 509 is directly facing the liquid storage space.

[0029] In Example 6, the residual liquid guiding edge 509 provided at the end edge of the swing end 502 of the leakage recovery swing plate can further guide the liquid attached to the leakage recovery swing plate 5 in the state of release of the vertical tube 1, so that the residual liquid drips into the liquid storage space and avoids the residual liquid dripping onto the inner peripheral surface of the protrusion edge II 17.

[0030] Example 7, the non-powered windproof liquid collection device for loading arms described in Example 5, further includes a vertical pipe distance detection mechanism, which includes a mounting plate 181, a mounting bracket 182 and a distance sensor 183; The mounting plate 181 is fixed on the top surface of the liquid collection box 2. A waist-shaped groove is provided on the mounting plate 181, and the mounting plate 181 is formed into a roughly square plate structure. The mounting bracket 182 is bolted to the waist-shaped groove of the mounting plate 181. The mounting bracket 182 is formed into a roughly square frame structure, and its design purpose is only to provide mounting for the distance sensor 183 described later. The distance sensor 183 is fixedly mounted on the mounting bracket 182, with its detection end facing the trigger rod 1502 of the trigger II.

[0031] Example 8, the non-powered windproof liquid collection device for loading arms described in Examples 3-7, further includes a guiding mechanism. The guiding mechanism includes a guide rod 191, which is generally cylindrical. The axis of the guide rod 191 is collinear with the axis of the liquid collection box 2. The outer peripheral surface of the guide rod 191 is fixed to the outer peripheral surface of the vertical tube 1. A limiting slide 192 is provided on the inner peripheral surface of the convex edge I8, allowing the guide rod 191 to pass through. The limiting slide 192 is generally square and is designed to limit the radial angle of the liquid collection box 2.

[0032] Example 9, the non-powered windproof liquid collection device for loading arms described in Example 1, further includes a liquid level detection mechanism. The liquid level detection mechanism includes a liquid level gauge 2001 and a liquid level gauge mounting groove 2002. The liquid level gauge 2001 is designed to detect the liquid level in the tanker. The liquid level gauge mounting groove 2002 is opened on the outer circumferential surface of the vertical pipe 1. The liquid level gauge 2001 is embedded in the liquid level gauge mounting groove 2002. The shape and specifications of the liquid level gauge mounting groove 2002 can be selected according to the usage requirements. Its design purpose is only to accommodate the liquid level gauge 2001.

[0033] Example 10: A method for using a non-powered windproof liquid collection device for loading arms. This method uses the non-powered windproof liquid collection device for loading arms described in Examples 1-9, and the steps are as follows: (1) No liquid delivery state: At this time, the liquid collection box 2 is located at the vertical pipe drive end 102. The contact surface of the connecting rod I abutting part 11 of the liquid recovery swing plate reset mechanism abuts against the top surface of the triggering part I 506, so that the liquid recovery swing plate 5 is located directly below the through hole 3. At this time, the residual liquid on the inner wall of the vertical pipe 1 drips onto the liquid recovery swing plate 5 by its own weight, and is recovered into the liquid collection box 2 along with the liquid recovery swing plate 5. Since the reset elastic element 1303 in the drain mechanism abuts the sealing rod 1301 against the drain hole 4, the liquid in the liquid collection box 2 is always stored in the liquid storage space of the liquid collection box 2. (2) Liquid transfer state: When the vertical pipe 1 of the loading arm reaches directly above the tanker opening, the loading arm slowly releases the vertical pipe 1. The vertical pipe 1 and the liquid collection box 2 fall onto the tanker opening by their own weight. After the bottom surface of the liquid collection box 2 falls onto the tanker opening, the liquid collection box 2 will no longer continue to descend with the vertical pipe 1, while the vertical pipe 1 can continue to descend into the tanker opening. During the continued descent of the vertical pipe 1, since the connecting rod I abutment 11 in the liquid recovery swing plate reset mechanism no longer abuts against the top surface of the trigger I 506, the swing end 502 of the liquid recovery swing plate 5 will rotate downward around its leakage end 501 due to its own weight, so that the swing end 502 and the leakage end 501 are connected. 1. The liquid is located on the same side of the through hole 3 and the liquid recovery swing plate 5 is tilted towards the root position where the convex edge II 17 connects with the liquid collection box 2. At this time, the liquid attached to the liquid recovery swing plate 5 can drip naturally into the liquid collection box 2. When the distance sensor 183 detects that the trigger rod 1502 of the liquid discharge mechanism has descended to the end of the connecting rod drive, the vertical pipe 1 will no longer descend. The other end of the connecting rod drive will drive the sealing rod 1301 to move upward and compress the reset elastic element 1303. At this time, the liquid discharge hole 4 will no longer be blocked, and the liquid in the liquid collection box 2 will fall into the tank truck opening by gravity through the liquid discharge hole 4. (3) Recovery of the vertical pipe: After the vertical pipe 1 finishes transporting liquid, the vertical pipe 1 is recovered. During the upward movement of the vertical pipe 1, the trigger I 506 located on the vertical pipe drive end 102 abuts against the abutting surface of the connecting rod I abutting part 11 in the liquid recovery swing plate reset mechanism, so that the swing end 502 of the liquid recovery swing plate 5 swings to the initial position, that is, the leakage end 501 and the swing end 502 of the liquid recovery swing plate 5 are located on both sides of the through hole 3, and the liquid recovery swing plate 5 is located directly below the through hole 3. At this time, the residual liquid dripping from the vertical pipe 1 by its own weight continues to drip into the liquid storage space through the liquid recovery swing plate 5. As the trigger II at the vertical pipe connection end 101 moves away from the connecting rod drive part and no longer abuts against the end of the connecting rod drive part, the reset elastic element 1303 in the compressed state returns to the initial state and abuts the sealing rod 1301 against the drain hole 4.

Claims

1. A non-powered windproof liquid collection device for loading arms, characterized in that: The device includes, A vertical tube, one end of which is connected to the loading arm and is set as the vertical tube connection end, and the other end of which is set as the vertical tube drive end; The liquid collection box has an internal cavity, a through hole in the middle of the liquid collection box and is installed on the outer circumference of the vertical pipe by a sliding centering mechanism, and a drain hole is opened at the bottom of the liquid collection box. The distance from the center of the drain hole to the axis of the vertical pipe is less than the radius of the tank truck opening. A leakage recovery swing plate is set directly below the through hole. One end of the leakage recovery swing plate is hinged to the inner wall of the collection box and is set as the leakage end, and the other end is set as the swing end. The leakage recovery swing plate reset mechanism includes a connecting rod I and a trigger I. One end of the connecting rod I is hinged to the inner wall of the liquid collection box and is set as the connecting end of the connecting rod I. The other end is hinged to the leakage recovery swing plate and is set as the driving end of the connecting rod I. The trigger I is fixed on the outer circumferential surface of the vertical tube driving end. The draining mechanism located at the top of the collection box includes a connecting rod II and a trigger II. One end of the connecting rod II abuts against the drain hole and is set as the sealing end of the connecting rod II, and the other end is set as the driving end of the connecting rod II. The trigger II is fixed on the outer circumferential surface of the vertical pipe connection end. When the vertical tube does not extend out of the collection box, the trigger I abuts against the connecting rod I and the leakage end and the swing end of the leakage recovery swing plate are located on both sides of the through hole. At this time, the sealing end of the connecting rod II abuts against the drain hole and seals the drain hole. When the vertical tube extends out of the collection box, the trigger I no longer abuts against the connecting rod I, and the swing end swings to the bottom of the leakage end and is on the same side of the through hole as the leakage end. At this time, the trigger II abuts against the driving end of the connecting rod II and makes the sealing end of the connecting rod II no longer block the drainage hole. The connecting rod I includes a connecting rod I fixing member, a connecting rod I abutting member, and a connecting rod I connecting member, wherein the connecting rod I fixing member and the connecting rod I connecting member are located on both sides of the through hole; One end of the connecting rod I is hinged to the middle of the leakage recovery swing plate and is set as the driving end of the connecting rod I; the other end is hinged to one end of the connecting rod I abutment. One end of the connecting rod I fixing member is hinged to the inner wall of the liquid collection box and is set as the connecting end of the connecting rod I; the other end is hinged to one end of the connecting rod I connecting member; the connecting rod I abutment member is located directly above the trigger member I; the bottom surface of the connecting rod I abutment member forms an abutment surface that can abut against the top surface of the trigger member I. The trigger element I is a boss formed on the outer peripheral surface of the bottom of the vertical tube drive end, and the outer diameter of the boss is smaller than the inner diameter of the through hole; The connecting rod II includes a connecting rod II sealing component and a connecting rod II driving component; The connecting rod II sealing component includes a sealing rod, a guide cylinder, and a reset elastic element. The bottom end of the sealing rod extends into the liquid collection box and faces the drain hole, while the top end extends out of the top of the liquid collection box. The guide cylinder is sleeved on the sealing rod and its top end is fixed to the top inner wall of the liquid collection box. One end of the reset elastic element abuts against the top inner wall of the guide cylinder, and the other end abuts against the middle outer circumferential surface of the sealing rod. The middle part of the connecting rod II drive is rotatably connected to the flange I, one end of the connecting rod II drive is hinged to the top of the sealing rod, and the other end is located directly below the trigger II. The trigger element II includes a trigger element II connecting plate and a trigger element II trigger rod. One end of the trigger element II connecting plate is fixedly connected to the outer peripheral surface of the vertical pipe connecting end, and the other end is fixedly connected to the upper end of the trigger element II trigger rod. The lower end of the trigger rod of trigger element II is directly opposite the end of the drive element of connecting rod II.

2. The non-powered windproof liquid collection device for loading arms according to claim 1, characterized in that: The sliding centering mechanism includes several sets of sliding centering assemblies, which are circumferentially arranged on the inner circumferential surface of the through hole. Each set of sliding centering assemblies includes a mounting shell and several centering guide rollers. The outer side wall of the mounting shell is in contact with the inner circumferential surface of the through hole, and the inner side wall faces the outer circumferential surface of the vertical tube and is provided with a centering guide roller mounting groove. Several centering guide rollers are rotatably installed in the centering guide roller mounting groove, with the outer peripheral surface of the centering guide rollers in line contact with the outer peripheral surface of the vertical tube, thereby keeping the axis of the liquid collection box collinear with the axis of the vertical tube during the raising and lowering of the vertical tube.

3. The non-powered windproof liquid collection device for loading arms according to claim 2, characterized in that: A raised edge I for installing a sliding centering mechanism is provided on the top edge of the through hole along the axis of the liquid collection box. Several mounting grooves for installing the sliding centering mechanism are provided on the inner circumferential surface of the raised edge I. The outer wall of the mounting shell is bolted into the mounting groove.

4. A non-powered windproof liquid collection device for loading arms according to claim 3, characterized in that: A through hole is provided in the middle of the bottom surface of the liquid collection box. A protruding edge II is fixedly extended vertically upward along its axis at the end edge of the through hole. The space between the outer peripheral surface of the protruding edge II and the inner peripheral surface of the liquid collection box forms a liquid storage space. The swing end edge of the liquid recovery swing plate is fixedly extended with a residual liquid guide edge. When the swing end swings to below the liquid leakage end, the residual liquid guide edge is directly facing the liquid storage space.

5. A non-powered windproof liquid collection device for loading arms according to claim 1, characterized in that: It also includes a vertical pipe distance detection mechanism, which includes a mounting plate, a mounting bracket, and a distance sensor; The mounting plate is fixed to the top surface of the liquid collection box, and a waist-shaped groove is provided on the mounting plate; The mounting bracket is bolted to the slot in the mounting plate; The distance sensor is fixedly mounted on the mounting bracket, with its detection end facing the trigger rod of the trigger element II.

6. A non-powered windproof liquid collection device for loading arms according to any one of claims 3-5, characterized in that: It also includes a guiding mechanism, which includes a guide rod whose axis is collinear with the axis of the liquid collection box. The outer peripheral surface of the guide rod is fixed to the outer peripheral surface of the vertical tube, and a limiting slide is provided on the inner peripheral surface of the convex edge I to allow the guide rod to pass through.

7. A non-powered windproof liquid collection device for loading arms according to claim 6, characterized in that: It also includes a liquid level detection mechanism, which includes a liquid level gauge and a liquid level gauge mounting groove. The liquid level gauge mounting groove is opened on the outer peripheral surface of the vertical pipe, and the liquid level gauge is embedded in the liquid level gauge mounting groove.

8. A method of using a non-powered windproof liquid collection device for loading arms, wherein the method employs the non-powered windproof liquid collection device for loading arms as described in any one of claims 1-7, characterized in that... The steps are as follows: (1) No liquid delivery state: At this time, the liquid collection box is located at the drive end of the vertical pipe. The contact surface of the connecting rod I of the liquid recovery swing plate reset mechanism abuts against the top surface of the trigger I, so that the liquid recovery swing plate is located directly below the through hole. At this time, the residual liquid on the inner wall of the vertical pipe drips onto the liquid recovery swing plate by its own weight and is recovered into the liquid collection box along with the liquid recovery swing plate. Since the reset elastic element in the drain mechanism abuts the sealing rod against the drain hole, the liquid in the liquid collection box is always stored in the liquid storage space of the liquid collection box. (2) Liquid transfer status: When the vertical pipe of the loading arm reaches directly above the tanker opening, the loading arm slowly releases the vertical pipe. The vertical pipe and the collection box fall onto the tanker opening by their own weight. After the bottom of the collection box falls onto the tanker opening, the collection box will no longer continue to descend with the vertical pipe, while the vertical pipe can continue to descend into the tanker opening. During the continued descent of the vertical pipe, since the connecting rod I in the leakage recovery swing plate reset mechanism no longer abuts against the top surface of the trigger I, the swing end of the leakage recovery swing plate will rotate downward around its leakage end due to its own weight, so that the swing end and the leakage end are aligned. On the same side of the through hole, and with the leakage recovery swing plate tilted towards the root of the protrusion II and the collection box, the liquid attached to the leakage recovery swing plate can drip naturally into the collection box. When the vertical pipe distance detection mechanism detects that the trigger rod of the discharge mechanism II has descended to the end of the connecting rod drive, the vertical pipe will no longer descend. The other end of the connecting rod drive will drive the sealing rod to move upward and compress the reset elastic element. At this time, the discharge hole will no longer be blocked, and the liquid in the collection box will fall into the tank truck opening by gravity through the discharge hole. (3) Recovery of the vertical pipe: After the vertical pipe finishes transporting liquid, it is recovered. During the upward movement of the vertical pipe, the trigger I located on the drive end of the vertical pipe abuts against the contact surface of the connecting rod I in the liquid recovery swing plate reset mechanism, so that the swing end of the liquid recovery swing plate swings to the initial position, that is, the leakage end and the swing end of the liquid recovery swing plate are located on both sides of the through hole, and the liquid recovery swing plate is located directly below the through hole. At this time, the residual liquid dripping by the weight of the vertical pipe continues to drip into the liquid storage space through the liquid recovery swing plate. As the trigger II at the connection end of the vertical pipe moves away from the connecting rod drive and no longer abuts against the end of the connecting rod drive, the reset elastic element in the compressed state returns to the initial state and abuts the sealing rod against the drain hole.

Images