CN217756893U

CN217756893U - Oil filling riser seal structure

Info

Publication number: CN217756893U
Application number: CN202221817583.3U
Authority: CN
Inventors: 葛静敏; 朱九洲; 李成俊
Original assignee: Lianyungang Qisheng Fluid Technology Co ltd
Current assignee: Lianyungang Qisheng Fluid Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-08
Anticipated expiration: 2032-07-14

Abstract

The utility model belongs to the technical field of the oil filling riser technical field, especially, be an oil filling riser seal structure, hang down the pipe including the oil filling riser, the cover is equipped with the outer tube on the oil filling riser pipe that hangs down, the inside cover of outer tube is equipped with the inner tube, it is fixed through bolt one between outer tube and the oil filling riser pipe that hangs down, the lower extreme of outer tube is provided with the limiting plate, the top of inner tube be fixed with the lapped protruding edge of limiting plate cooperation, it is fixed through bolt two and nut between outer tube and the limiting plate. The utility model discloses a set up outer tube and inner tube and cup joint and to drive the closing cap and reciprocate in order to adapt to the different degree of depth that the oil filling riser falls the pipe and inserts different tank cars, drive the commentaries on classics board through setting up electric putter and rotate for three horn type rubber briquetting extrudees the interior roof of tank car, makes the jar mouth of the locking tank car that sealed pad two can be inseparable, can effectively improve the closing cap to the sealed effect of jar mouth, also can play the stability that is connected between reinforcement oil filling riser falls the pipe and the tank car, avoids the oil filling riser to fall the pipe and bump with the jar mouth of tank car.

Description

Oil filling riser seal structure

Technical Field

The utility model relates to a crane pipe technical field specifically is a crane pipe seal structure.

Background

The oil filling riser is a special equipment in the process of loading and unloading fluid in petrochemical industry, also called fluid loading and unloading arm, it adopts rotary joint, rigid pipeline and elbow to connect together to implement the movable equipment for transferring liquid medium between train, automobile tank car and trestle storage and transportation pipeline, so as to replace old hose connection.

The existing oil filling riser generally adopts a bag type and pressure type sealing structure, the bag type and pressure type sealing structure is complex in structure, sealing is realized only by simple pressing or pressing by an inflatable type, the sealing effect is poor, oil gas leakage is easily caused by shaking in the transportation process of the oil filling riser, and environmental pollution is caused, so that the problem is solved by the oil filling riser sealing structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a crane pipe seal structure has solved the crane pipe that proposes among the above-mentioned background and has rocked the problem that causes oil gas to reveal easily.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a loading arm seal structure, includes that the loading arm hangs down the pipe, the loading arm hangs down the intraductal cover and is equipped with the outer tube, the inside cover of outer tube is equipped with the inner tube, outer tube and loading arm hang down between the pipe fixed through bolt one, the lower extreme of outer tube is provided with the limiting plate, the top of inner tube is fixed with the lapped protruding edge of limiting plate cooperation, it is fixed through bolt two and nut between outer tube and the limiting plate, the bottom of inner tube is fixed with the closing cap, the lower fixed surface of closing cap has sealed pad two, the equal symmetry in four ends of the bottom of closing cap is fixed with the connecting plate, is fixed with fixed axle one between two relative connecting plates, it is connected with the rotor plate to rotate on the fixed axle one, the runner has been seted up to the one end of rotor plate, it is connected with triangle-shaped rubber briquetting to rotate on the fixed axle two, the one end of triangle-shaped rubber briquetting has been kept away from on the rotor plate upper surface, sliding connection has the slider in the spout, the upper end rotation of slider is connected with the rotor block, the upper surface of closing cap is fixed with four electric putter that are circumference array distributes, electric putter's drive end and rotor block fixed connection.

Furthermore, a first sealing gasket is fixed on the inner top wall of the outer tube, and the first sealing gasket is tightly attached to the outer wall of the vertical tube of the loading arm.

Furthermore, the bottom of outer tube has been seted up and has been lacked the groove, and lacks the inslot and be provided with sealing washer one, the lower surface of sealing washer one closely laminates with the upper surface of limiting plate.

Furthermore, the inside wall of limiting plate has been seted up and has been sunk the groove, and sinks to install sealing washer two in the groove, sealing washer two closely laminates with the outer wall of inner tube.

Further, the lower surface of the second sealing gasket is an inclined plane, the thickness of the lower side wall of the second sealing gasket is larger than that of the outer side wall of the second sealing gasket, and annular protrusions are arranged on the lower surface of the second sealing gasket at equal intervals.

(III) advantageous effects

Compared with the prior art, the utility model provides a loading arm seal structure possesses following beneficial effect:

the utility model discloses, cup joint through setting up outer tube and inner tube and can drive the closing cap and reciprocate in order to adapt to the different degree of depth that the oil filling riser droops under one's command pipe inserted different tank cars, drive the commentaries on classics board through setting up electric putter and rotate for three horn type rubber briquetting extrudees the interior roof of tank car, makes the jar mouth of the locking tank car that sealed pad two can be inseparable, can effectively improve the closing cap to the sealed effect of jar mouth, also can play the stability degree of being connected between reinforcement oil filling riser droops under one's command pipe and the tank car, avoids the oil filling riser to hang under one's command pipe and the jar mouth of tank car to bump.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the structure of fig. 2B according to the present invention.

In the figure: 1. a crane pipe vertical pipe; 2. an outer tube; 3. an inner tube; 4. a first bolt; 5. a first sealing gasket; 6. a limiting plate; 7. a second bolt; 8. a first sealing ring; 9. a second sealing ring; 10. sealing the cover; 11. a second sealing gasket; 12. An annular projection; 13. a connecting plate; 14. a first fixed shaft; 15. rotating the plate; 16. rotating the groove; 17. a second fixed shaft; 18. a triangular rubber pressing block; 19. a chute; 20. a slider; 21. rotating the block; 22. an electric push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention provides a sealing structure for a loading arm, which includes a loading arm vertical tube 1, an outer tube 2 is sleeved on the loading arm vertical tube 1, an inner tube 3 is sleeved inside the outer tube 2, the outer tube 2 is fixed to the loading arm vertical tube 1 through a first bolt 4, a lower end of the outer tube 2 is provided with a limiting plate 6, a convex edge matched and overlapped with the limiting plate 6 is fixed to a top end of the inner tube 3, the outer tube 2 is fixed to the limiting plate 6 through a second bolt 7 and a nut, a sealing cover 10 is fixed to a bottom of the inner tube 3, a second sealing gasket 11 is fixed to a lower surface of the sealing cover 10, connecting plates 13 are symmetrically fixed to four ends of a bottom of the sealing cover 10, a first fixing plate 14 is fixed between two opposite connecting plates 13, a rotating plate 15 is rotatably connected to the first fixing shaft 14, a rotating plate 15 is rotatably connected to one end of the rotating plate 15, a rotating groove 16 is provided at both ends of the rotating plate 16, a second fixing shaft 17 is fixed to two ends of the rotating plate 17, a triangular rubber press block 18 is rotatably connected to an upper surface of the rotating plate 15, a sliding block 19 is connected to an upper sliding block array of a sliding block 21, and four sliding block array of a sliding block 22 is connected to a sliding block array of a sliding block 22; in conclusion, the installation of the oil filling riser sealing structure does not need to modify the oil filling riser vertical pipe 1, the bolt I4 penetrates through the outer pipe 2 and is in threaded connection with the outer pipe, one end of the bolt I4 extending into the outer pipe 2 abuts against the outer wall of the oil filling riser vertical pipe 1, so that the fixing effect is achieved, the inner pipe 3 is sleeved in the outer pipe 2, the sealing cover 10 fixed at the bottom of the inner pipe 3 can move up and down, the sealing cover 10 can be conveniently blocked above a tank opening when the oil filling riser vertical pipe 1 is inserted into the tank bodies of tank cars with different depths, by arranging the limiting plate 6, the inner pipe 3 cannot fall off from the outer pipe 2 under the condition that the limiting plate 6 is not removed, the structural components on the sealing cover 10 are prevented from falling and being damaged, by arranging the sealing gasket II 11, the effect of plugging the tank car opening can be achieved, and the probability of leakage when the oil filling riser is used for conveying oil is reduced, because the spout 19 has been seted up to the one end of rotor plate 15, sliding block 20 of sliding connection is rotated with electric putter 22 through runner 21 and is connected, therefore electric putter 22 can control the change of height of rotor plate 15 one end, because rotor plate 15 rotates with the connecting plate 13 who fixes at the closing cap 10 lower surface through fixed axle one 14 and is connected, therefore electric putter 22 control rotor plate 15's one end descends its other end and rises, because it is connected with triangle-shaped rubber briquetting 18 to rotate through fixed axle two 17 in the runner 16 that rotor plate 15 kept away from the one end of spout 19 and seted up, when rotor plate 15 keeps away from the one end of spout 19 and rises to a certain height, triangle-shaped rubber briquetting 18 supports with the interior roof near the tank mouth of tank car, the setting of cooperation sealed pad two 11, can strengthen sealed effect, simultaneously can also make the connection between oil filling riser vertical pipe 1 and the tank car more firm.

In some embodiments, as shown in fig. 1, a first sealing gasket 5 is fixed on the inner top wall of the outer pipe 2, and the first sealing gasket 5 is tightly attached to the outer wall of the crane pipe vertical pipe 1; and the outer pipe 2 and the crane pipe vertical pipe 1 are sealed through the arrangement of a first sealing gasket 5.

As shown in fig. 2, in some embodiments, a notch is formed in the bottom of the outer tube 2, a first sealing ring 8 is arranged in the notch, and the lower surface of the first sealing ring 8 is tightly attached to the upper surface of the limiting plate 6; through the setting of sealing washer 8, the upper surface of limiting plate 6 and the bottom of outer tube 2 are sealed.

As shown in fig. 3, in some embodiments, the inner side wall of the limiting plate 6 is provided with a concave groove, a second sealing ring 9 is installed in the concave groove, and the second sealing ring 9 is tightly attached to the outer wall of the inner tube 3; and the limiting plate 6 is sealed with the outer side wall of the inner pipe 3 through a second sealing ring 9.

As shown in fig. 1 and 2, in some embodiments, the lower surface of the second gasket 11 is a slope, the thickness of the lower sidewall of the second gasket is greater than that of the outer sidewall, and the lower surface of the second gasket 11 is equidistantly provided with annular protrusions 12; the lower surface of the second sealing gasket 11 is an inclined surface, the annular protrusions 12 are arranged on the lower surface of the second sealing gasket in equal intervals, and the tank openings of the tank truck can be clamped between the inner wall and the top of the tank opening by the opposite annular protrusions 12 in different sizes, so that the sealing effect is further enhanced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a crane pipe seal structure, includes crane pipe vertical tube (1), its characterized in that: the oil filling riser hangs down and is equipped with outer tube (2) on pipe (1), the inside cover of outer tube (2) is equipped with inner tube (3), outer tube (2) and oil filling riser hang down and fix through bolt (4) between pipe (1), the lower extreme of outer tube (2) is provided with limiting plate (6), the top of inner tube (3) is fixed with and cooperates lapped protruding edge with limiting plate (6), it is fixed through bolt two (7) and nut between outer tube (2) and limiting plate (6), the bottom of inner tube (3) is fixed with closing cap (10), the lower fixed surface of closing cap (10) has sealed two (11), the equal symmetry in four ends of the bottom of closing cap (10) is fixed with connecting plate (13), is fixed with fixed axle (14) between two relative connecting plates (13), it is connected with rotor plate (15) to rotate on fixed axle (14), rotor plate (15) has been seted up runner (16) in the one end of rotor plate (15), be fixed with two (17) between the both ends of runner (16), it is connected with rotor plate (17) to rotate on two (17) and is connected with rotor plate (15), last briquetting sliding block (19) is connected with last briquetting sliding block (19), last briquetting sliding block (19) of three corner shape slider (19) have been seted up, the upper end of the sliding block (20) is rotatably connected with a rotating block (21), four electric push rods (22) distributed in a circumferential array mode are fixed on the upper surface of the sealing cover (10), and the driving ends of the electric push rods (22) are fixedly connected with the rotating block (21).

2. A loading arm sealing structure according to claim 1, wherein: the inner top wall of the outer tube (2) is fixed with a first sealing gasket (5), and the first sealing gasket (5) is tightly attached to the outer wall of the crane tube vertical tube (1).

3. A loading arm sealing structure according to claim 1, wherein: the bottom of outer tube (2) has been seted up and has been lacked the groove, and has been provided with sealing washer (8) in the groove, the lower surface of sealing washer (8) closely laminates with the upper surface of limiting plate (6).

4. A loading arm sealing structure according to claim 1, wherein: the inner side wall of the limiting plate (6) is provided with a sinking groove, a second sealing ring (9) is installed in the sinking groove, and the second sealing ring (9) is tightly attached to the outer wall of the inner tube (3).

5. The filling pipe sealing structure according to claim 1, wherein: the lower surface of two (11) of sealed pad is the inclined plane, and the thickness of its lower lateral wall is greater than the thickness of lateral wall, the lower surface equidistance of two (11) of sealed pad is provided with annular protrusion (12).