CN103465918A - Labyrinth sealed bottom door and hopper vehicle - Google Patents

Abstract

The invention discloses a labyrinth sealed bottom door and a hopper vehicle, and belongs to the technical field of vehicles. The bottom door comprises a left bottom plate sealing end surface, a right bottom plate sealing end surface, a plurality of left sealing parts and a plurality of right sealing parts; the left sealing parts are connected with the left bottom plate sealing end surface; the right sealing parts are connected with the right bottom plate sealing end surface; when the bottom door is in a closed state, the left sealing parts are matched with the right sealing parts to form a zigzag labyrinth channel between the left bottom plate sealing end surface and the right bottom plate sealing end surface. The labyrinth sealed bottom door has an effect of limiting leakage. The hopper vehicle comprises the labyrinth sealed bottom door; when the hopper vehicle is used for transporting particle materials, the leakage amount is small; moreover, the hopper vehicle is lower in maintenance cost and higher in use efficiency.

Description

A kind of labyrinth sealing type bottom door and hopper car

Technical field

The present invention relates to the vehicle technology field, particularly a kind of labyrinth sealing type bottom door and hopper car.

Background technology

Usually at car bottom, bottom door is installed for the hopper car that transports bulk granular material, in transportation, bottom door, for carrying bulk granular material, during unloading, is opened bottom door, and bulk granular material spills from the bottom door of opening.Spill from bottom door in transportation for fear of bulk granular material, usually need to make the sealing of bottom door base plate.In prior art, the mode of bottom door base plate sealing is normally by the effect that reaches sealing bonded to each other between two bottom door base plate seal faces.But, be subject to vibration that vehicle produces in transportation and the impact of goods gravity, can produce gap between two bottom door base plate seal faces of sealing in this way, cause bulk granular material to spill from this gap in transportation, particularly in transport particles during very thin dry bulk granular material, the bulk granular material spilt by this gap not only can cause economic loss, also drops and can cause environmental pollution.

In order to make two bottom door base plate seal faces reach better sealing effectiveness, once there is technology to set up elastomeric element at two bottom door base plate seal faces, although two bottom door base plate seal faces can reach sealing effectiveness preferably under the effect of this elastomeric element.But, because elastomeric element easily lost efficacy owing to being out of shape or wearing and tearing, therefore, need the periodic replacement elastomeric element to be safeguarded two bottom doors, once safeguard not in time the due sealing effectiveness of out of reach not only, also can strengthen the gap between two bottom door base plate seal faces, cause the spillage of bulk granular material not only can not reduce, also can increase, cause more economic loss and environmental pollution.Not only maintenance cost rising of the bottom door of sealing in this way, and the service efficiency of hopper car reduces.

Summary of the invention

In order to address the above problem, the present invention proposes and a kind ofly can improve sealing effectiveness between two bottom door seal faces, save again the labyrinth sealing type bottom door of maintenance cost and there is the hopper car of this labyrinth sealing type bottom door.

Labyrinth sealing type formula bottom door provided by the invention comprises left bottom plate seal face, right base plate seal face, several left sealing elements and several right sealing elements; Described several left sealing elements are connected in described left bottom plate seal face, described several right sealing elements are connected in described right base plate seal face, when described bottom door during in closed condition, described left sealing element and right sealing element cooperatively interact, and form tortuous labyrinth path between described left bottom plate seal face and described right base plate seal face.

As preferably, described several left sealing elements are connected in the binding face of described left bottom plate seal face, and described several right sealing elements are connected in the binding face of described right base plate seal face.

As preferably, the binding face laminating of the binding face of described left bottom plate seal face some and described right base plate sealing surface, there is accommodation space between the binding face of described left bottom plate seal face and described right base plate sealing surface, described several left sealing elements are connected in the binding face of the left bottom plate seal face in described accommodation space, and described several right sealing elements are connected in the binding face of the right base plate seal face in described accommodation space.

As preferably, also comprise connecting panel, the binding face laminating of the binding face of described left bottom plate seal face some and described right base plate sealing surface, have outside the fitting part of described left bottom plate seal face and plane more than the conplane left side, described fitting part; Described connecting panel is connected to the binding face heteropleural of described right base plate seal face, and in the formation of the outside of described right base plate seal face, more than a described left side, more than the parallel plane right side plane; Described several left sealing elements are connected in remaining plane, a described left side, and described several right sealing elements are connected in remaining plane, the described right side.

As preferably, described left sealing element and right sealing element are made by rigid material.

As preferably, the length of described connecting panel and described binding face equal in length.

As preferably, the length of described left sealing element and right sealing element and described binding face equal in length.

Hopper car provided by the invention comprises labyrinth sealing type bottom door provided by the invention.

Labyrinth sealing type bottom door provided by the invention is provided with several left sealing elements on the left bottom plate seal face, be provided with several right sealing elements on right base plate seal face, several left sealing elements and several right sealing elements are intermeshing, form tortuous labyrinth path between left bottom plate seal face and right base plate seal face, this labyrinth path has throttling effect, the resistance that bulk granular material is subject to while leaking through this labyrinth path is larger, therefore, this labyrinth sealing type bottom door has the effect that limit is leaked.Hopper car provided by the invention comprises this labyrinth sealing type bottom door, and during with this hopper car transportation bulk granular material, spillage is less, and this hopper car maintenance cost is the end of than, and service efficiency is higher.

The accompanying drawing explanation

The master of the labyrinth sealing type bottom door that Fig. 1 provides for the embodiment of the present invention one when closed condition looks schematic diagram;

The local enlarged diagram that Fig. 2 is A part in Fig. 1;

The master of the labyrinth sealing type bottom door that Fig. 3 provides for the embodiment of the present invention two when closed condition looks schematic diagram;

The local enlarged diagram that Fig. 4 is B part in Fig. 3;

The master of the labyrinth sealing type bottom door that Fig. 5 provides for the embodiment of the present invention three when closed condition looks schematic diagram;

The part side that Fig. 6 is C part in Fig. 5 reaches schematic diagram;

Schematic cross-section is amplified in the hopper car that Fig. 7 is the labyrinth sealing type bottom door that has the embodiment of the present invention three and provide bottom door part when closed condition in transportation.

The specific embodiment

In order to understand the present invention in depth, below in conjunction with drawings and the specific embodiments, the present invention is described in detail.

Referring to accompanyingdrawing 1～6, labyrinth sealing type formula bottom door provided by the invention comprises left bottomplate seal face 1, right baseplate seal face 2, severalleft sealing elements 7 and severalright sealing elements 8; Left bottomplate seal face 1 is overlapped on right baseplate seal face 2; Severalleft sealing elements 7 are connected in left bottomplate seal face 1, severalright sealing elements 8 are connected in right baseplate seal face 2, when bottom door during in closed condition,left sealing element 7 cooperatively interacts withright sealing element 8, forms tortuous labyrinth path between left bottomplate seal face 1 and right baseplate seal face 2.

Labyrinth sealing type bottom door provided by the invention is provided with severalleft sealing elements 7 on left bottomplate seal face 1, be provided with severalright sealing elements 8 on right baseplate seal face 2, severalleft sealing elements 7 are intermeshing with severalright sealing elements 8, form tortuous labyrinth path between baseplate seal face 1 and right baseplate seal face 2, this labyrinth path has throttling effect, the resistance that bulk granular material is subject to while leaking through this labyrinth path is larger, therefore, this labyrinth sealing type bottom door has the effect that limit is leaked.

Embodiment mono-

Referring to accompanyingdrawing 1 and accompanyingdrawing 2, the concrete implementation as the first of labyrinth sealing type bottom door provided by the invention, severalleft sealing elements 7 are connected in the binding face 5 of left bottomplate seal face 1, and severalright sealing elements 8 are connected in thebinding face 8 of right baseplate seal face 2.

The labyrinth sealing type bottom door that the embodiment of the present invention one provides is because severalleft sealing elements 7 can directly be welded on the binding face 5 of left bottomplate seal face 1, severalright sealing elements 8 can directly be welded on thebinding face 6 of right baseplate seal face 2, and manufacture craft is simple.

Embodiment bis-

Referring to accompanyingdrawing 3 and accompanyingdrawing 4, the concrete implementation as the second of labyrinth sealing type bottom door provided by the invention, the binding face laminating of the binding face of left bottomplate seal face 1 some and right baseplate sealing surface 2, there is accommodation space 9 between the binding face of left bottomplate seal face 1 and right baseplate sealing surface 2, severalleft sealing elements 7 are connected in the binding face of the left bottomplate seal face 1 in accommodation space 9, and severalright sealing elements 8 are connected in the binding face of the right baseplate seal face 2 in accommodation space 9.

The labyrinth sealing type bottom door that the embodiment of the present invention two provides has tortuous labyrinth path outside the binding face fitting part of the fitting part of left bottomplate seal face 1 and right baseplate sealing surface 2, at first bulk granular material is held back by fitting part, by this labyrinth path limit, leaked again afterwards, the limit leakage effect of the labyrinth sealing type bottom door that therefore, the limit leakage effect of this labyrinth sealing type bottom door provides than the embodiment of the present invention one is better.

Wherein, the binding face of left bottomplate seal face 1 has round-corner transition in accommodation space 9, thereby avoids stress to concentrate, and extends the service life of this bottom door.

Embodiment tri-

Referring to accompanying drawing 5 and accompanyingdrawing 6, the labyrinth sealing type bottom door that the embodiment of the present invention three provides also comprises connectingpanel 10, the binding face laminating of the binding face of left bottomplate seal face 1 some and right baseplate sealing surface 2, have outside the fitting part of left bottomplate seal face 1 andplane 11 more than the conplane left side, fitting part; Connectingpanel 10 is connected to the binding face heteropleural of right baseplate seal face 2, in the outside of right baseplate seal face 2 form with left more than more than the parallel right side,plane 11plane 14; Severalleft sealing elements 8 are connected in leftremaining plane 14, and severalright sealing elements 8 are connected in rightremaining plane 14.

The labyrinth sealing type bottom door that the embodiment of the present invention three provides has tortuous labyrinth path outside the binding face of the fitting part ofleft seal face 1 andright seal face 2, and at first bulk granular material is held back by fitting part, by this labyrinth path limit, is leaked again afterwards.The labyrinth sealing type bottom door provided with the embodiment of the present invention one is compared, and the limit leakage effect of the labyrinth sealing type bottom door that the limit leakage effect of this labyrinth sealing type bottom door provides than the embodiment of the present invention one is better.The labyrinth sealing type bottom door provided with the embodiment of the present invention two is compared, and this labyrinth sealing type bottom door does not need left bottomplate seal face 1 is processed, and only need on right baseplate seal face 2, be welded to connectplate 10, gets final product, and processing is more prone to.

Wherein, the length of connectingpanel 10 and binding face equal in length, thus avoid bulk granular material to leak from rightdoor end plate 3 and the connecting portion of right baseplate seal face 1.

Wherein, the length of severalleft sealing elements 7 and severalright sealing elements 8 is equal in length with binding face, thereby avoids bulk granular material to leak or the connecting portion leakage with binding face from severalright sealing elements 8 from severalleft sealing elements 7 and the connecting portion of binding face.

Hopper car provided by the invention comprises labyrinth sealing type bottom door provided by the invention.

Hopper car provided by the invention comprises this labyrinth sealing type bottom door, and during with this hopper car transportation bulk granular material, spillage is less, and this hopper car maintenance cost is the end of than, and service efficiency is higher.

Take and there is labyrinth sealing type bottom door that the embodiment of the present invention three provides and illustrate that its principle of work is as follows as example:

Referring to accompanyingdrawing 7, there is the hopper car of the labyrinth sealing type bottom door that the embodiment of the present invention three provides in transportation, be subject to vibration that vehicle produces in transportation and the impact of bulkgranular material 13 gravity, can producegap 12 between two bottom door base plate seal faces of sealing in this way, bulkgranular material 13 leaks a part from thisgap 12, subsequently, because this labyrinth path has limit leakage effect, hopper car spillage in the process of transportation shot grain material of applying this labyrinth sealing type bottom door obviously reduces, and these severalleft sealing element 7 is not elastomeric element with severalright sealing elements 8, but rigid element, wear resisting property is good, therefore, this hopper car maintenance cost is the end of than, service efficiency is higher.

Accompanyingdrawing 2, accompanyingdrawing 4, accompanyingdrawing 6 and accompanyingdrawing 7 all only show the situation that left sealingelement 7 andright sealing element 8 are, in practice, can be according to actual conditions, draw the labyrinth sealing type bottom door with severalleft sealing elements 7 andright sealing element 8 and the hopper car with this labyrinth sealing type bottom door, whenleft sealing element 7 andright sealing element 8 are respectively a plurality of, limit leakage effect is stronger.

The above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (8)

1. a labyrinth sealing type bottom door, is characterized in that, comprises left bottom plate seal face, right base plate seal face, several left sealing elements and several right sealing elements; Described several left sealing elements are connected in described left bottom plate seal face, described several right sealing elements are connected in described right base plate seal face, when described bottom door during in closed condition, described left sealing element and right sealing element cooperatively interact, and form tortuous labyrinth path between described left bottom plate seal face and described right base plate seal face.

2. bottom door according to claim 1, is characterized in that, described several left sealing elements are connected in the binding face of described left bottom plate seal face, and described several right sealing elements are connected in the binding face of described right base plate seal face.

3. bottom door according to claim 1, it is characterized in that, the binding face laminating of the binding face of described left bottom plate seal face some and described right base plate sealing surface, there is accommodation space between the binding face of described left bottom plate seal face and described right base plate sealing surface, described several left sealing elements are connected in the binding face of the left bottom plate seal face in described accommodation space, and described several right sealing elements are connected in the binding face of the right base plate seal face in described accommodation space.

4. bottom door according to claim 1, it is characterized in that, also comprise connecting panel, the binding face laminating of the binding face of described left bottom plate seal face some and described right base plate sealing surface, have outside the fitting part of described left bottom plate seal face and plane more than the conplane left side, described fitting part; Described connecting panel is connected to the binding face heteropleural of described right base plate seal face, and in the formation of the outside of described right base plate seal face, more than a described left side, more than the parallel plane right side plane; Described several left sealing elements are connected in remaining plane, a described left side, and described several right sealing elements are connected in remaining plane, the described right side.

5. bottom door according to claim 1, is characterized in that, described left sealing element and right sealing element are made by rigid material.

6. bottom door according to claim 3, is characterized in that, the length of described connecting panel and described binding face equal in length.

7. according to arbitrary described bottom door in claim 1～6, it is characterized in that the length of described left sealing element and right sealing element and described binding face equal in length.

8. a hopper car, is characterized in that, comprises arbitrary described bottom door in claim 1～7.

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