CN210237107U

CN210237107U - Composite sealing cap for loading and unloading crane pipe of train tank car and loading and unloading crane pipe

Info

Publication number: CN210237107U
Application number: CN201920941007.1U
Authority: CN
Inventors: Xiaoming Li; 李小明; Lianfu Zhao; 赵连福; Jiangbo Qiao; 乔江波; Haiwen Wang; 王海文; Yanlong Di; 狄延龙
Original assignee: Beijing Mountain Industry Co
Current assignee: Beijing Mountain Industry Co
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-03
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a train tank wagon loading and unloading oil filling riser is with compound sealed cap and loading and unloading oil filling riser improves the structure of sealed cap, and compound sealed cap includes cap body and toper shirt rim, and the sealed end of cap body is provided with first toper face, and is provided with the toper shirt rim at sealed end, and the toper shirt rim extends to the direction of keeping away from sealed end, and the lateral surface of toper shirt rim forms the second toper face that is used for sealed tank wagon jar mouthful. When the composite sealing cap contacts tank mouths of different types of train tank cars, the embedding height is increased at the contact part of the conical skirt edge and the tank mouths by a geometric cone contact principle, the sealing effect of the tank car is enhanced, and the pollution of volatile substances to the atmosphere is reduced.

Description

Composite sealing cap for loading and unloading crane pipe of train tank car and loading and unloading crane pipe

Technical Field

The utility model relates to a petroleum oil depot and chemical plant train tank wagon loading and unloading arm especially relate to a compound seal cap and loading and unloading oil filling riser for loading and unloading oil filling riser of train tank wagon.

Background

In recent years, the environmental protection is increased year by year and the investigation on pollution discharge places is increased due to the fact that air pollution is more serious. Therefore, when the volatile fluid medium is loaded and unloaded in some oil depots and chemical plants, a tight sealing structure is required. However, most of the existing sealing and assembling devices are to fix a sealing rubber cap on the upper part of a vertical pipe of a crane pipe to cover a tank opening of a tank car, but the tank openings of the tank car are different in height and size, the shape of the tank opening contacted with the sealing rubber cap is not an ideal circular interface, or the tank opening is frequently collided, or the tank opening is corroded and rusted by rainwater, or the production and manufacturing are not standard, so that even if an oil cylinder, an air cylinder or a manual pressing device is adopted to press the sealing rubber cap, the embedding height of the contact part of the sealing rubber cap and the tank opening is limited, a good sealing state is difficult to achieve, and the specific sealing effect is not ideal.

The information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a train tank wagon is loaded and unloaded crane pipe and is used compound sealed cap and loading and unloading crane pipe to solve at least one technical problem who exists among the prior art, strengthened the sealed effect of tank wagon, reduced the volatile matter to atmospheric pollution.

The purpose of the utility model is realized like this: a kind of train tank wagon loads and unloads the crane and uses the compound sealed cap, the said compound sealed cap includes:

the cap comprises a cap body and a sealing part, wherein the cap body is formed into a rotating body and comprises a connecting end and a sealing end opposite to the connecting end, and the sealing end is provided with a first conical surface so that the thickness of the cap body is gradually increased from the edge of the cap body to the center of the cap body; and the number of the first and second groups,

the tapered skirt edge is arranged at the sealing end and extends towards the direction far away from the sealing end, and a second tapered surface used for sealing the tank opening of the tank car is formed on the outer side surface of the tapered skirt edge.

In a preferred embodiment of the present invention, the tapered skirt includes an annular wall, the upper end of the annular wall is fixed to the first tapered surface, and the lower end of the annular wall is provided with an inward flange extending toward the central axis of the cap body.

In a preferred embodiment of the present invention, the diameter of the annular wall is gradually reduced from top to bottom, and the outer side surface of the annular wall forms the second tapered surface.

In a preferred embodiment of the present invention, the included angle between the second conical surface and the central axis of the cap body is smaller than the included angle between the first conical surface and the central axis of the cap body.

In a preferred embodiment of the present invention, a plurality of inner rib plates are uniformly arranged on the inner side of the annular wall along the circumferential direction of the annular wall; the upper end of the inner rib plate extends to the first conical surface, and the lower end of the inner rib plate extends to the inward flanging.

In a preferred embodiment of the present invention, the cap body, the tapered skirt rim and the inner rib plate are elastic bodies.

In a preferred embodiment of the present invention, the cap body is an annular hollow structure, and the sealing filler is filled in the cap body.

The utility model discloses an in a preferred embodiment, compound sealing cap still includes the awl cap skeleton, the awl cap skeleton is rigid loop forming element, the cap body reaches sealing filler encircles the setting and is in the outside of awl cap skeleton and with awl cap skeleton fixed connection.

The utility model discloses a purpose can also be so realized, a train tank wagon loading and unloading filling riser, include:

an upper vertical pipe arranged vertically;

the sealing cap is the composite sealing cap in any embodiment, and is sleeved outside the upper vertical pipe; and

the cover plate is fixedly connected with the connecting end of the cap body, a through hole is formed in the cover plate, and the upper vertical pipe is sleeved with the through hole.

In a preferred embodiment of the present invention, the present invention further comprises a guide sleeve and a driving cylinder, wherein the guide sleeve sealing sleeve is arranged outside the upper vertical pipe and can slide up and down relative to the upper vertical pipe, and the lower end of the guide sleeve is fixedly connected with the cover plate; the driving cylinder is fixedly connected with the upper vertical pipe, and the telescopic end of the driving cylinder is fixedly connected with the cover plate.

Compared with the prior art, the beneficial effects of the utility model are that: the structure to sealed cap has improved, and compound sealed cap includes cap body and toper shirt rim, and the sealed end of cap body is provided with first toper face, and is provided with the toper shirt rim at sealed end, and the toper shirt rim extends to the direction of keeping away from sealed end, and the lateral surface of toper shirt rim forms the second toper face that is used for sealed tank wagon jar mouth. When the composite sealing cap contacts tank mouths of different types of train tank cars, the embedding height is increased at the contact part of the conical skirt edge and the tank mouths by a geometric cone contact principle, the sealing effect of the tank car is enhanced, and the pollution of volatile substances to the atmosphere is reduced.

Other features and advantages of the device of the present invention will become apparent or more particularly pointed out in the drawings that are incorporated herein and the following detailed description of the embodiments taken in conjunction with the drawings to illustrate certain principles of the invention.

Drawings

Fig. 1 is a cross-sectional view of an exemplary composite sealing cap according to the present invention;

fig. 2 is a cross-sectional view of an exemplary loading/unloading arm according to the present invention.

Description of reference numerals:

100 composite type sealing cap 11 cap body

12 tapered skirt 13 first tapered surface

14 second tapered surface 15 annular wall

16 inner flanging 17 large-size tank opening

18 inner rib plate of small-size tank opening 19

20 sealing filler 21 cone cap framework

200 loading and unloading crane 22 upper vertical tube

23 cover plate 24 driving cylinder

25 connecting piece 26 telescopic end

27 guide sleeve 28 sealing ring

29 screw flange 30 gulp valve

It should be understood that the appended drawings are not to scale, showing a somewhat simplified drawing of various features illustrative of the basic principles of the invention. The specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, locations, and shapes, will be determined in part by the particular intended application and environment of use.

In the figures, reference numerals refer to identical or equivalent parts of the invention throughout the several views of the drawings.

Detailed Description

Reference will now be made in detail to various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below. While the present invention will be described in conjunction with the exemplary embodiments, it will be understood that this description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.

Technical terms used in the following description are for the purpose of describing particular embodiments only and are not intended to limit the present invention.

All terms including technical and scientific terms used in the following description may have meanings commonly understood by those skilled in the art unless otherwise specified. In addition, terms defined in commonly used dictionaries are to be interpreted as having a meaning that is consistent with the relevant technical documents and the disclosure of the present invention, and will not be interpreted as having an ideal or excessively formal meaning unless otherwise specified.

Example one

Hereinafter, a specific structure of the composite type sealing cap 100 according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings. Referring to fig. 1, fig. 1 is a cross-sectional view illustrating an exemplary composite sealing cap 100 according to the present invention. The composite sealing cap 100 for the loading and unloading arm 200 of the railway tank car comprises a cap body 11 and a conical skirt 12. The cap body 11 is formed as a rotary body having an axis, for example, formed in a conical shape. The cap body 11 comprises a connecting end and a sealing end which are oppositely arranged along the direction of the axis, and the connecting end is used for connecting with other elements; the sealing end is provided with a first tapered surface 13, as shown in fig. 1, the first tapered surface 13 is in a reverse taper shape, that is, the thickness of the cap body 11 gradually increases from the edge of the cap body 11 to the center of the cap body 11. The tapered skirt 12 is arranged at the sealing end and extends towards the direction far away from the sealing end (downwards in figure 1), the outer side surface of the tapered skirt 12 forms a second tapered surface 14 for sealing the tank opening of the tank car, and the second tapered surface 14 is also in an inverted cone shape. The cap body 11 and the tapered skirt 12 may be of a solid structure, and corresponding through holes or recesses may be formed in the solid structure according to the assembling position relationship with other elements. And both may be formed integrally or as two elements which are then joined integrally by a fixed connection.

In one embodiment, the tapered skirt 12 may also be a hollow structure, and includes an annular wall 15, the annular wall 15 is a wall-shaped member with a certain thickness formed around the axial center line of the cap body 11, the upper end of the annular wall 15 is fixed on the first tapered surface 13, and the lower end of the annular wall 15 is provided with an inward flange 16 extending toward the central axis of the cap body 11. A hollow structure is formed in the space surrounded by the annular wall 15, and the cap body 11 and the annular wall 15 can be integrally formed by respective molds. The diameter of the upper end of the annular wall 15 is larger than that of the lower end, and the annular wall 15 is formed into an inverted cone shape, that is, the diameter of the annular wall 15 is gradually reduced from top to bottom, and the outer side surface of the annular wall 15 forms a second conical surface 14. The diameter of the lower end of the annular wall 15 is smaller than that of the tank opening matched with the annular wall, so that the lower end of the annular wall 15 can extend into the tank opening for a preset distance in use, and the annular wall is better matched with the tank opening in a sealing mode. The depth from the bottom of the tapered skirt 12 to the portion in contact with the can mouth is b if it is used for the large-sized can mouth 17, and c if it is used for the small-sized can mouth 18. The provision of the inner flange 16 increases the rigidity of the annular wall 15 and enhances the sealing effect.

In one embodiment, the second tapered surface 14 is at a smaller angle to the central axis of the cap body 11 than the first tapered surface 13. The range of can mouth sizes for which the annular wall 15 is suitable can be increased.

In one embodiment, a plurality of inner ribs 19 are uniformly arranged on the inner side of the annular wall 15 along the circumferential direction of the annular wall 15; as shown in fig. 1, the shape of the inner rib plate 19 is adapted to the cross-sectional shape of the space formed between the annular wall 15, the inward flange 16 and the first tapered surface 13, the upper end of the inner rib plate 19 extends to the first tapered surface 13 and is fixedly connected with the first tapered surface 13, and the lower end of the inner rib plate 19 extends to the inward flange 16 and is fixedly connected with the inward flange 16. Wherein, the cap body 11, the tapered skirt 12 and the inner rib plate 19 are all made of elastic bodies, such as elastic rubber materials. The rigidity of the tapered skirt 12 can be further enhanced by the arrangement of the inner rib plate 19, so that the annular wall 15 generates a force which is outwards propped open, after the lower end of the tapered skirt 12 extends into the interior of the can opening, the rigidity of the tapered skirt 12 enables the tapered skirt 12 to generate a strong elastic restoring force, even if the shape of the can opening is not regular, the tapered skirt can be softly embedded into the plane of the whole can opening, a small amount of interference pre-tightening force is added, and the pressing effect similar to that of a wine bottle plug is achieved.

In one embodiment, the cap body 11 may also be a hollow structure with a ring shape, that is, the cap body 11 is a wall-shaped element with a certain thickness formed into the outer contour of the cap body 11, the sealing filler 20 is filled in the interior of the cap body 11, and the wall-shaped element wraps the outside of the sealing filler 20.

In one embodiment, the composite sealing cap 100 further includes a cone cap framework 21, the cone cap framework 21 is a rigid ring-shaped member, and the cap body 11 and the sealing filler 20 are disposed around the outer side of the cone cap framework 21 and are fixedly connected to the cone cap framework 21. The cone cap framework 21 is used for supporting the whole cap body 11, and the phenomenon that the elastic deformation of the cap body 11 is too large and the sealing effect on a tank opening is lost is avoided.

Example two

Hereinafter, a specific structure of a train tank car loading arm 200 according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings. Referring to fig. 2, fig. 2 is a cross-sectional view of an exemplary loading arm 200 of the present invention. The loading and unloading arm 200 for railway tanker comprises a vertically arranged upper vertical tube 22, a sealing cap 100 and a cover plate 23. The upper vertical pipe 22 is used for extending into the bottom of the tank body of the tank car to load and unload the tank body of the tank car. The sealing cap adopts the composite sealing cap 100 described in the first embodiment, it should be noted that fig. 2 is only used for illustrating the connection and position relationship of the composite sealing cap 100 in the loading and unloading arm 200, the shape and structure shown in the figure do not represent the real shape and structure of the composite sealing cap 100, and the composite sealing cap 100 is sleeved outside the upper vertical pipe 22; the cap body 11 of the composite sealing cap 100 is formed in a ring shape, has a hollow interior, and is fitted over the outer portion of the hanging-up pipe 22, so that the composite sealing cap 100 can move up and down with respect to the hanging-up pipe 22. The cover plate 23 is fixedly connected to the connecting end of the cap body 11, for example, a bolt hole is formed in the cover plate 23, and the bolt is connected to the connecting end of the cap body 11 through a corresponding bolt hole in a threaded manner. The cover plate 23 covers the upper end of the cap body 11, and the cover plate 23 is provided with a through hole through which the outer portion of the upper vertical pipe 22 is sleeved. After the upper vertical pipe 22 is configured in place, the upper vertical pipe is fixed relative to the tank body, the cover plate 23 is driven to move towards the tank opening through an oil cylinder, an air cylinder or a manual pressing device, the cover plate 23 drives the composite sealing cap 100 to seal the tank opening, and a certain pressing force is generated to press the composite sealing cap 100 to the tank opening to seal volatile substances in the tank body.

In one embodiment, the railway tanker loading arm 200 further comprises a guide sleeve 27 and a drive cylinder 24, the guide sleeve 27 is a sleeve-like member that is sealingly received over the exterior of the upper drop tube 22, the guide sleeve 27 has an inner diameter that is compatible with the outer diameter of the upper drop tube 22 and is capable of sliding up and down relative to the upper drop tube 22, and the lower end of the guide sleeve 27 is fixedly attached to the cover plate 23. The lower end of the guide sleeve 27 is provided with a flange, the flange is provided with bolt holes, and bolts penetrate through the corresponding bolt holes to be in threaded connection with the cover plate 23. Wherein, the inner side of the upper end and the inner side of the lower end of the guide sleeve 27 are respectively provided with an annular groove, a sealing ring 28 is arranged in the annular groove, and sealing is formed between the sealing ring 28 and the upper vertical pipe 22.

Through the guide sleeve 27, the driving cylinder 24 can drive the composite sealing cap 100 to move up and down more stably, and the position deviation of the composite sealing cap 100 is prevented from influencing the position relation between the composite sealing cap 100 and a tank opening and influencing the sealing effect.

The driving cylinder 24 is fixedly connected with the upper vertical pipe 22, and a connecting piece 25 is fixed on the upper vertical pipe 22 and is fixedly connected with the driving cylinder 24 through the connecting piece 25. The telescopic end 26 of the driving cylinder 24 is fixedly connected with the cover plate 23, the cover plate 23 is provided with a bolt hole, and a bolt is in threaded connection with the telescopic end 26 of the driving cylinder 24 through the bolt hole.

The cover plate 23 is driven by the telescopic end 26 of the driving cylinder 24 to move towards the tank opening, the cover plate 23 drives the sealing cap composite sealing cap 100 to seal the tank opening, and a certain pressing force is generated to press the sealing cap composite sealing cap 100 to the tank opening to seal volatile substances in the tank body.

In addition, the lower end of the upper vertical pipe 22 can be provided with a threaded flange 29, the upper side of the cover plate 23 is also provided with an air compensating valve 30, a through hole is arranged on the cover plate 23 at a position corresponding to the air compensating valve 30, and the air compensating valve 30 is communicated with the inside of the tank body through the through hole and used for supplementing air to the inside of the tank body and stabilizing the pressure inside the tank body.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to thereby enable others skilled in the art to make and utilize the invention in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.

Claims

1. The utility model provides a train tank wagon loading and unloading crane pipe is with compound sealed cap which characterized in that, compound sealed cap includes:

2. The composite seal cap for a railway tank car loading and unloading arm according to claim 1, wherein the tapered skirt includes an annular wall, an upper end of the annular wall is fixed to the first tapered surface, and a lower end of the annular wall is provided with an inward flange extending in a direction of a central axis of the cap body.

3. The composite seal cap for a railway trough car loading and unloading arm according to claim 2, wherein the diameter of the annular wall is gradually reduced from top to bottom, and the outer side surface of the annular wall forms the second tapered surface.

4. The composite seal cap for a railway trough car loading and unloading crane pipe as claimed in claim 3, wherein the included angle between the second tapered surface and the central axis of the cap body is smaller than the included angle between the first tapered surface and the central axis of the cap body.

5. The compound sealing cap for the loading and unloading crane pipe of the train tank car according to claim 3, characterized in that a plurality of inner rib plates are uniformly arranged on the inner side of the annular wall along the circumferential direction of the annular wall; the upper end of the inner rib plate extends to the first conical surface, and the lower end of the inner rib plate extends to the inward flanging.

6. The composite sealing cap for the loading and unloading crane pipe of the train tank car according to claim 5, wherein the cap body, the tapered skirt and the inner rib plate are all elastic bodies.

7. The compound sealing cap for loading and unloading crane pipes of railway cars as claimed in claim 1, wherein said cap body is a ring-shaped hollow structure, and the interior of said cap body is filled with sealing filler.

8. A composite sealing cap for a railway tanker loading and unloading crane pipe as claimed in claim 7, wherein the composite sealing cap further comprises a cone cap framework, the cone cap framework is a rigid ring-shaped member, and the cap body and the sealing filler are arranged around the outer side of the cone cap framework and are fixedly connected with the cone cap framework.

9. The utility model provides a train tank wagon loading and unloading filling riser which characterized in that includes:

an upper vertical pipe arranged vertically;

the sealing cap is the composite sealing cap of any one of claims 1 to 8, and is sleeved outside the upper vertical pipe; and

10. The train tanker loading and unloading crane pipe of claim 9, further comprising a guide sleeve and a drive cylinder, wherein the guide sleeve is hermetically sealed outside the upper vertical pipe and can slide up and down relative to the upper vertical pipe, and the lower end of the guide sleeve is fixedly connected with the cover plate; the driving cylinder is fixedly connected with the upper vertical pipe, and the telescopic end of the driving cylinder is fixedly connected with the cover plate.