CN219008771U - Pneumatic locking device for upper loading opening of automobile tank wagon - Google Patents
Pneumatic locking device for upper loading opening of automobile tank wagon Download PDFInfo
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- CN219008771U CN219008771U CN202223584626.0U CN202223584626U CN219008771U CN 219008771 U CN219008771 U CN 219008771U CN 202223584626 U CN202223584626 U CN 202223584626U CN 219008771 U CN219008771 U CN 219008771U
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Abstract
The pneumatic locking device comprises a sealing cap matched with an upper mounting opening and a claw assembly extending into a groove and used for hooking the lower edge of the upper mounting opening, wherein the claw assembly comprises an L-shaped claw and a guide sleeve, the guide sleeve is vertically fixed at the lower part of the sealing cap, the L-shaped claw comprises a vertical section arranged in the guide sleeve and a transverse locking section arranged at the lower end part of the vertical section, the wall of the guide sleeve is provided with a storage guide groove for accommodating the claw receiving sleeve and a unfolding guide groove for unfolding after the claw extends out of the sleeve, the unfolding guide groove is a spiral groove, a guide pin arranged in the spiral groove is fixed on the vertical section of the L-shaped claw, the guide pin is positioned at the lower dead point of the spiral groove, and a connecting groove for the guide pin to move upwards is arranged at the upper dead point of the spiral groove; the sealing device is simple in structure, small in size, low in failure rate, long in service life, capable of clamping inside the tank opening, free of reacting force to the oil filling riser, reliable in sealing, simple and reasonable in structure, and convenient and fast to operate.
Description
Technical Field
The utility model relates to liquid conveying equipment, in particular to a pneumatic locking device for an upper loading opening of an automobile tank car.
Background
Along with the accelerated consumption of liquid petroleum products and liquid chemical raw materials, the transportation quantity is increased sharply, and the environment protection situation is more serious. At present, the main modes of inland transportation of liquid petroleum products and liquid chemical raw materials are pipeline transportation and tank truck filling transportation, wherein the tank truck filling transportation is widely applied due to the advantages of punctual time, safety, large transportation capacity, high speed, high reliability, long distance, small influence of climate and the like. The loading and unloading of materials are involved in the process of filling, transporting and transporting the tank wagon, the tank opening of the traditional tank wagon is positioned at the top of the tank body, and the loading and unloading process is usually in an open type or a non-complete closed type, namely, a material pipe is directly inserted into the tank opening of the tank wagon, and in the process of filling, residual gas in the tank wagon and gas generated by volatilization of a fluid medium in the process of filling are directly discharged into the atmosphere, so that not only is environmental pollution caused, but also great influence is caused on safety production and personal safety, even fire and explosion accidents are caused in serious cases, and meanwhile, the waste of the fluid medium is also caused.
In order to achieve the sealing effect of the tank opening, various sealing devices mounted on the drop tube of the loading arm have been disclosed in the prior art: chinese patent (201610276525.7: an internal supporting type sealing device) discloses an internal supporting type sealing device, which comprises a sealing cover, a sealing gasket, an oil filling pipe, an oil filling tank opening, a four-bar mechanism and an inclined cone, wherein the four-bar mechanism and the inclined cone are arranged in the oil filling tank opening in an inclined manner: the four-bar mechanism is hung on the sealing cover through a pin shaft and swings radially with the pin shaft as the center: the inclined cone is sleeved on the outer diameter of the oil injection pipe and can move up and down along the oil injection pipe: the lowest connecting rod of the four-bar mechanism is a movable rod, one end of the movable rod is provided with a round wheel, and the other end of the movable rod is provided with a triangular block: the round wheel of the movable rod is tangent to the conical surface of the inclined cone, so that the movable rod is vertical to the inclined cone. Although the device can realize the sealing effect of the tank opening, is suitable for tank openings with different calibers, the sealing device is not suitable for sealing, loading and unloading of tank openings with shorter diameters, and can not achieve the locking and sealing effect of the tank openings. In addition, china patent (201020174550.2) discloses a bolt type positioning and locking device, which is characterized by comprising a round groove plate (1), a supporting rod (2), a bolt seat (3) and a lock bolt (4), wherein the bolt seat (3) is fixed on the supporting rod (2) through bolts or rivets, the bolt seat (3) is provided with a horizontal semi-closed through long assembly groove, the lock bolt (4) is arranged in the assembly groove of the bolt seat (3), the lock bolt (4) consists of a lock column ((5) and a bolt handle (6), and the bolt handle (6) is vertically screwed or welded on the lock column ((5)). Although the device can realize the locking function, the structure operation is complex and is not suitable for a train truss loading crane pipe, the problem that the loading cannot be compensated because of the left-right offset error of a tank opening, and the tank truck shakes due to the fact that liquid generates large impact force when the tank truck loads, so that a gap is generated between the tank opening and a sealing cover plate, and the problem that the sealing between the tank opening and the sealing cover plate is not tight still can be caused in the loading process.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the pneumatic locking device for the upper loading opening of the automobile tank car, which has the advantages of reliable sealing, simple structure and convenient and quick operation.
The technical problem to be solved by the utility model is realized by the following technical scheme, and the pneumatic locking device for the upper loading opening of the automobile tank wagon is characterized in that: comprises a sealing cap matched with the upper mounting opening and a claw assembly extending into the groove for hooking the lower edge of the upper mounting opening, wherein the claw assembly comprises an L-shaped claw and a guide sleeve, the guide sleeve is vertically fixed at the lower part of the sealing cap,
the L-shaped claw comprises a vertical section arranged in the guide sleeve and a transverse locking section arranged at the lower end part of the vertical section, and the wall of the guide sleeve is provided with
The clamping claw is received in the storage guide groove of the sleeve and the unfolding guide groove which is unfolded after the clamping claw extends out of the sleeve,
the side wall of the lower opening of the sleeve is provided with an inlet for accommodating the guide groove,
the unfolding guide groove is a spiral groove, a guide pin arranged in the spiral groove is fixed on the vertical section of the L-shaped claw, the guide pin is positioned at the lower dead point of the spiral groove, the transverse locking section of the L-shaped claw is just unfolded to the position below the inner edge of the upper mounting opening, the guide pin is positioned at the upper dead point of the spiral groove, the transverse locking section of the L-shaped claw rotates to the inner side of the inner edge of the upper mounting opening, at the moment, the transverse locking section of the L-shaped claw rotates to the inlet of the storage guide groove,
a connecting groove for the guide pin to ascend is arranged upwards at the upper dead point position of the spiral groove;
a locking guide groove is arranged downwards at the lower dead point of the spiral groove;
the locking guide groove, the connecting groove and the storage guide groove are arranged in parallel;
the sealing cap is provided with a driving cylinder for driving the clamping jaw.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the jaw assembly is provided with three groups along the circumferential direction of the sealing cap.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that a reversing valve for controlling the reversing of the driving cylinder is arranged on the sealing cap.
Compared with the prior art, the cylinder drives the L-shaped claw to shrink, the transverse locking section of the L-shaped claw ascends and descends along the storage guide groove, the guide pin descends in the connecting groove, when the guide pin descends to the spiral groove, the transverse locking section of the L-shaped claw stretches out to the lower part of the guide sleeve, the L-shaped claw continues to descend, the L-shaped claw is limited by the spiral groove and rotates, and when the guide pin is positioned at the bottom dead center position of the spiral groove, the transverse locking section of the L-shaped claw is just unfolded to the lower part of the inner edge of the upper loading opening, can lock the guide groove to stretch up and down, and can realize locking and sealing of the upper loading opening of the automobile tank car. Compact structure, it is firm to lock, convenient dismantlement, maintains simply for on-the-spot work is safer high-efficient, has improved the efficiency when the tank wagon loading and unloading greatly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
wherein: 1. a reversing valve; 2. a cylinder; 3. a sealing cap; 4. a connecting shaft; 5. a reversing shaft; 6. a locking spring; 7. a guide sleeve; 8. a claw; 9. a storage guide groove; 10. a connecting groove; 11, unfolding a guide groove; 12. and a guide pin.
Detailed Description
The following further describes the specific technical solutions of the present utility model, so that the purpose, technical solutions and advantages of the embodiments of the present utility model will be more apparent to those skilled in the art to further understand the present utility model, and the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments, but not limitations on the claims thereof. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An automobile tank wagon upper mounting mouth pneumatic locking device, as shown in the figure: wherein: 1. a reversing valve; 2. a cylinder; 3. a sealing cap; 4. a connecting shaft; 5. a reversing shaft; 6. a locking spring; 7. a guide sleeve; 8. a claw; 9. a storage guide groove; 10. a connecting groove; 11, unfolding a guide groove; 12. and a guide pin.
Comprises a sealing cap matched with the upper mounting opening and a claw assembly extending into the groove for hooking the lower edge of the upper mounting opening, wherein the claw assembly comprises an L-shaped claw and a guide sleeve, the guide sleeve is vertically fixed at the lower part of the sealing cap,
the L-shaped claw comprises a vertical section arranged in the guide sleeve and a transverse locking section arranged at the lower end part of the vertical section, the cylinder wall of the guide sleeve is provided with a storage guide groove for the claw to be retracted into the sleeve and a unfolding guide groove for the claw to be unfolded after extending out of the sleeve,
the lower opening side wall of the sleeve is provided with a storage guide groove inlet, the unfolding guide groove is a spiral groove, a guide pin arranged in the spiral groove is fixed on the vertical section of the L-shaped claw, the guide pin is positioned at the lower dead point of the spiral groove, the transverse locking section of the L-shaped claw is unfolded right below the upper mounting opening inner edge, the guide pin is positioned at the upper dead point of the spiral groove, the transverse locking section of the L-shaped claw rotates to the inner side of the upper mounting opening inner edge, at the moment, the transverse locking section of the L-shaped claw rotates to the storage guide groove inlet, and a connecting groove for the guide pin to ascend is arranged at the upper dead point of the spiral groove upwards;
a locking guide groove is arranged downwards at the lower dead point of the spiral groove;
the locking guide groove, the connecting groove and the storage guide groove are arranged in parallel;
the sealing cap is provided with a driving cylinder for driving the clamping jaw.
The jaw assembly is provided with three sets along the circumference of the sealing cap.
The sealing cap is provided with a reversing valve for controlling the reversing of the driving cylinder.
The cylinder drives L shape jack catch shrink, and L shape jack catch's horizontal locking section goes up and down along accomodating the guide way, and the guide pin is long to descend in the spread groove, and when the guide pin descends to spiral groove, L shape jack catch stretches out the below of guide sleeve, and L shape jack catch continues to descend, receives spiral groove restriction, and L shape jack catch rotates, and the guide pin is located the bottom dead center position of spiral groove, and the horizontal locking section of L shape jack catch just in time expands to upper edge below in the dress mouth to can lock the guide way and stretch out and draw back from top to bottom, can realize the locking seal to the dress mouth on the car tank wagon.
The sealing cap lower part is the rubber with the inner skeleton, through bolted connection inner skeleton and upper portion mounting panel, and the rubber pad realizes the compaction of tank wagon jar mouth outer wall through the locking force of jack catch, and the inner skeleton can prevent effectively that the rubber from excessively warping after compressing tightly, makes things convenient for rubber to change.
The locking spring is connected with the reversing shaft and the clamping jaw, so that the clamping jaw can rotate while stretching, and the locking spring can compensate the problem of air inlet delay of the air cylinder when the clamping jaw locks the inner arm.
The inner wall of the guide sleeve and the vertical section of the claw slide relatively through the ball, so that the claw moves smoothly without blocking.
Claims (3)
1. The utility model provides a pneumatic locking device of dress mouth on car tank wagon which characterized in that:
comprises a sealing cap matched with the upper mounting opening and a claw assembly extending into the groove for hooking the lower edge of the upper mounting opening, wherein the claw assembly comprises an L-shaped claw and a guide sleeve, the guide sleeve is vertically fixed at the lower part of the sealing cap,
the L-shaped claw comprises a vertical section arranged in the guide sleeve and a transverse locking section arranged at the lower end part of the vertical section, the cylinder wall of the guide sleeve is provided with a storage guide groove for the claw to be retracted into the sleeve and a unfolding guide groove for the claw to be unfolded after extending out of the sleeve,
the side wall of the lower opening of the sleeve is provided with an inlet for accommodating the guide groove,
the unfolding guide groove is a spiral groove, a guide pin arranged in the spiral groove is fixed on the vertical section of the L-shaped claw, the guide pin is positioned at the lower dead point of the spiral groove, the transverse locking section of the L-shaped claw is just unfolded to the position below the inner edge of the upper mounting opening, the guide pin is positioned at the upper dead point of the spiral groove, the transverse locking section of the L-shaped claw rotates to the inner side of the inner edge of the upper mounting opening, at the moment, the transverse locking section of the L-shaped claw rotates to the inlet of the storage guide groove,
a connecting groove for the guide pin to ascend is arranged upwards at the upper dead point position of the spiral groove;
a locking guide groove is arranged downwards at the lower dead point of the spiral groove;
the locking guide groove, the connecting groove and the storage guide groove are arranged in parallel;
the sealing cap is provided with a driving cylinder for driving the clamping jaw.
2. The pneumatic locking device for a loading port of an automobile tank truck according to claim 1, wherein: the jaw assembly is provided with three sets along the circumference of the sealing cap.
3. The pneumatic locking device for a loading port of an automobile tank truck according to claim 1, wherein: the sealing cap is provided with a reversing valve for controlling the reversing of the driving cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223584626.0U CN219008771U (en) | 2022-12-31 | 2022-12-31 | Pneumatic locking device for upper loading opening of automobile tank wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223584626.0U CN219008771U (en) | 2022-12-31 | 2022-12-31 | Pneumatic locking device for upper loading opening of automobile tank wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219008771U true CN219008771U (en) | 2023-05-12 |
Family
ID=86232242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223584626.0U Active CN219008771U (en) | 2022-12-31 | 2022-12-31 | Pneumatic locking device for upper loading opening of automobile tank wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219008771U (en) |
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2022
- 2022-12-31 CN CN202223584626.0U patent/CN219008771U/en active Active
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