CN214019924U - Sand removing and filtering device and railway vehicle - Google Patents

Abstract

The utility model relates to a rail vehicle field provides filter equipment and rail vehicle remove sand. The sand removing and filtering device comprises a sand removing shell, a sand removing filter arranged in the sand removing shell, a sand pumping air channel communicated with a sand and dust outlet of the sand removing filter and a sand pumping fan connected with the sand pumping air channel; still including being located the filter screen of the air outlet of sand removal filter, the filter screen is installed on the casing that removes sand. The utility model discloses can effectively reduce sand and dust and get into electrical equipment through the vent, prolong electrical equipment's life.

Description

Sand removing and filtering device and railway vehicle

Technical Field

The utility model relates to a rail vehicle technical field especially relates to filter equipment and rail vehicle remove sand.

Background

The rail vehicle is one of the important components of the rail transit system, and the operation safety, reliability and efficiency of the rail vehicle directly influence the operation of the rail transit system.

At present, the sand and dust condition of partial lines is serious, a large amount of sand and wind can be raised at the bottom of a vehicle in vehicle operation, and partial electrical equipment needs to be ventilated and cooled, if special treatment is not carried out, the sand and dust can enter the equipment from a ventilation opening, so that the inside of the equipment is influenced.

At present, a filter screen is usually arranged at an air inlet, and the filter screen is used for filtering sand and dust in air. However, in desert areas, the content of sand and dust in the air is high, if the sand and dust are filtered by only the filter screen, the filter screen is quickly full of the sand and dust, the filter screen needs to be frequently cleaned, otherwise, the filter screen loses the filtering effect, and the electrical equipment is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a filter equipment removes sand can effectively reduce sand and dust and get into electrical equipment through the vent, prolongs electrical equipment's life.

The utility model discloses still provide a rail vehicle.

According to the embodiment of the first aspect of the utility model, the sand removing and filtering device comprises a sand removing shell, a sand removing filter arranged in the sand removing shell, a sand pumping air channel communicated with a sand and dust outlet of the sand removing filter and a sand pumping fan connected with the sand pumping air channel;

still including being located the filter screen of the air outlet of sand removal filter, the filter screen is installed on the casing that removes sand.

According to the utility model discloses an embodiment, the filter screen with the connection can be dismantled to the sand removal casing, the filter screen with the air outlet interval of sand removal filter sets up.

According to the utility model discloses an embodiment, the filter screen includes the non-woven fabrics filter screen and is used for the installation the filter screen framework of non-woven fabrics filter screen, the casing that removes sand is used for the installation the filter screen is constructed all around and is connected lug or installing frame, the filter screen framework pass through the connecting piece with connect lug or the connection can be dismantled to the installing frame.

According to an embodiment of the present invention, the sand removing filter includes a plurality of cyclones, each of the cyclones includes a centrifugal cylinder and an air outlet cylinder located in the centrifugal cylinder, outlets of all the centrifugal cylinders constitute the sand outlet, and the sand pumping fan is a negative pressure fan; and the outlets of all the air outlet cylinders form the air outlet of the sand removing filter.

According to the utility model discloses an embodiment, the bottom downwardly extending of the casing that removes sand have with the husky groove of collection of sand and dust discharge port intercommunication, take out husky wind channel with the lateral wall in husky groove of collection communicates.

According to the utility model discloses an embodiment, the groove of collecting sand includes a pair of flat board and a pair of hang plate, and is a pair of the hang plate is connected a pair of between the flat board, and is a pair of the hang plate by the bottom both ends of the casing that removes sand are to middle part downward sloping gradually, and are a pair of flat board and a pair of enclose between the hang plate the groove of collecting sand.

According to the utility model discloses an embodiment, take out husky wind channel with one of them in collection sand groove dull and stereotyped connection.

According to the utility model discloses an embodiment, the bottom in collection husky groove is provided with the base, the base through the interval set up a plurality of erect the muscle with collection husky groove is connected, the bottom of base is the level setting.

According to an embodiment of the invention, the inner periphery of the inlet of the centrifuge tube is configured as a spiral.

According to the utility model discloses rail vehicle of second aspect embodiment, which comprises a carriage body, install electrical equipment on the automobile body, still include foretell filter equipment that removes sand, the filter equipment that removes sand is installed electrical equipment's vent department.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:

the sand-removing filtering device provided by the embodiment of the utility model can be installed at the ventilation opening of the electrical equipment under the rail vehicle, and by arranging the sand-removing filter, after larger sand and dust particles enter a sand-pumping air channel through the sand-removing filter, the sand-pumping air is discharged by using a sand-pumping fan, and then the air is discharged and filtered by a filter screen, so that the sand and dust entering the electrical equipment through the ventilation opening is reduced, the quality of the air entering the electrical equipment is improved, and the service life of the electrical equipment is effectively prolonged; and most of the sand and dust is filtered by the sand removing filter, so that the sand and dust entering the filter screen is greatly reduced, and the cleaning and replacing times of the filter screen can be reduced.

The utility model discloses rail vehicle, owing to install as above sand removal filter equipment, have above-mentioned sand removal filter equipment's whole advantages, no longer give consideration to here.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a sand removing and filtering device according to an embodiment of the present invention;

fig. 2 is a schematic view of a sand removal filter according to an embodiment of the present invention.

Reference numerals:

10: a sand removal housing; 12: a sand removal filter; 121: a centrifugal cylinder; 122: an air outlet cylinder; 14: a sand pumping fan; 16: a sand pumping air duct; 18: a sand collecting groove; 20: a base; 22: erecting ribs; 24: and (5) filtering by using a filter screen.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 2, a sand-removing filter device according to an embodiment of the present invention is specifically described below with reference to the accompanying drawings, and the sand-removing filter device can be installed at a vent of an electrical device under a rail vehicle for filtering sand and dust; of course, the sand removing and filtering device can be installed on equipment at other parts of the railway vehicle as long as the equipment has the requirement of filtering sand and dust.

In this embodiment, the sand removing and filtering device comprises a sand removing shell 10, a sand removing filter 12 arranged in the sand removing shell 10, a sand pumping air duct 16 communicated with a sand and dust outlet of the sand removing filter 12, and a sand pumping fan 14 connected with the sand pumping air duct 16; in the embodiment, the sand-dust separated in the sand-removing filter 12 can be sucked out through the sand-sucking fan 14, so that the directional discharge of the sand-dust is accelerated.

The sand removing and filtering device of the embodiment further comprises a filter screen 24 positioned at the air outlet of the sand removing filter 12, and the filter screen 24 is installed on the sand removing shell 10. In the embodiment, by arranging the sand removing filter 12, after the sand removing filter 12 makes larger sand particles enter the sand pumping air duct 16, the larger sand particles are discharged by the sand pumping fan 14, and then the outlet air of the sand removing filter 12 is filtered by the filter screen 24, so that the sand particles entering the electrical equipment through the vent are reduced, the quality of the air entering the electrical equipment is improved, and the service life of the electrical equipment is effectively prolonged; and since most of the dust has been filtered by the sand removing filter 12, the dust entering the screen 24 is greatly reduced, thereby reducing the number of times the screen 24 is cleaned and replaced.

The sand removal filtering device of the embodiment has the advantages of simple structure, small size and capability of being directly installed on the ventilation side of the electrical equipment, and can be conveniently installed under a vehicle.

According to the utility model discloses an embodiment, filter screen 24 with sand removal casing 10 can dismantle the connection to be convenient for filter screen 24 to wash and maintain, filter screen 24 with sand removal filter 12's air outlet interval sets up, so that the air-out can blow on filter screen 24 by the largest area, filter screen 24 with sand removal filter 12 spaced distance sets up as required.

According to the utility model discloses an embodiment, for the convenience of the filter screen 24 dismouting, filter screen 24 around with remove sand casing 10's inner wall detachable connection all around, in addition, filter screen 24 around with remove sand casing 10's inner wall can also set up seal structure such as joint strip all around, guarantee the leakproofness after filter screen 24 installs, avoid sand and dust to get into the carriage supply-air outlet from the clearance between filter screen 24 and the remove sand casing 10.

According to the utility model discloses an embodiment, filter screen 24 includes the non-woven fabrics filter screen and is used for installing the filter screen framework of non-woven fabrics filter screen, and the non-woven fabrics filter screen specifically can adopt the non-woven fabrics filter screen of G3 grade. In order to facilitate the installation of the filter screen 24, the sand removing shell 10 is configured with a connecting lug or a mounting frame around the filter screen 24, and the filter screen frame body is detachably connected with the connecting lug or the mounting frame through a connecting piece such as a bolt, so that the filter screen 24 can be conveniently detached to be cleaned, maintained or replaced after being used for a period of time.

According to an embodiment of the present invention, a plurality of cyclones are disposed in the sand removing filter 12, the plurality of cyclones can be disposed side by side, air inlets of the plurality of cyclones face to the same side, each cyclone includes a centrifugal cylinder 121 and an air outlet cylinder 122 located in the centrifugal cylinder 121, outlets of all the centrifugal cylinders 121 form a sand outlet, sand enters the centrifugal cylinder 121 first and is thrown out and gathered at the sand outlet under the centrifugal action, the sand pumping fan 14 is a negative pressure fan, and the sand pumping fan 14 pumps out the sand; the outlets of all the air outlet cylinders 122 form the air outlet of the sand removing filter 12, the air outlet cylinders 122 correspond to the centrifugal cylinders 121 one by one, as shown in fig. 2, the air outlet cylinders 122 are disposed in the centrifugal cylinders 121, the fresh air with sand thrown out enters the air outlet cylinders 122, and the direction indicated by the arrows in fig. 2 is the wind flow direction. The sand removing and filtering device filters the sand dust by the centrifugal action of the sucked fresh air, and then the filtered sand dust is pumped out by the sand pumping fan 14. The filtered fresh air is filtered again by the filter screen 24 and enters the electrical equipment, so that the quality of the air entering the electrical equipment is improved.

In order to collect the discharged sand and dust in a centralized manner, according to the utility model discloses an embodiment, the bottom downwardly extending of the sand removing shell 10 have with the sand collecting groove 18 of sand and dust discharge port intercommunication to be convenient for discharge a certain amount of sand and dust again with gathering, take out husky wind channel 16 with the lateral wall intercommunication in sand collecting groove 18, it can be understood that take out husky wind channel 16 and the lateral wall bottom intercommunication in sand collecting groove 18, so that the sand and dust in sand collecting groove 18 can be cleaned.

According to an embodiment of the present invention, the sand collecting groove 18 comprises a pair of flat plates and a pair of inclined plates, the pair of inclined plates are connected between the pair of flat plates, and the pair of inclined plates gradually incline downwards from two ends of the bottom of the sand removing shell 10 to the middle part to form a funnel shape, and the pair of flat plates and the pair of inclined plates enclose the sand collecting groove 18; the sand collecting groove 18 is arranged in a shape of shrinking inwards and gradually inclining downwards from two ends of the bottom of the sand removing shell 10 to the middle, so that sand and dust can be smoothly discharged from the sand and dust discharge port and can be gathered at the bottom of the sand collecting groove 18, when the sand and dust at the bottom of the sand collecting groove 18 are gathered to a certain amount, the sand and dust extracting fan 14 is turned on, and the sand and dust in the sand collecting groove 18 is extracted through the sand extracting air duct 16 by the suction force of the sand extracting fan 14, so that the sand extracting fan 14 can be turned on periodically for suction without being turned on frequently.

In addition, in this embodiment, the sand removing housing 10 is rectangular, a pair of flat plates are arranged oppositely along the width direction of the sand removing housing 10, and a pair of inclined plates are arranged oppositely along the length direction of the sand removing housing 10, so that the whole arrangement is convenient and simple. Of course, the sand removing housing 10 may have other shapes, and the arrangement positions of the pair of flat plates and the pair of inclined plates may be exchanged, and the embodiment is not particularly limited.

According to the utility model discloses an embodiment, take out husky wind channel 16 with one of them of collection husky groove 18 dull and stereotyped connection can set up connect the via hole on this flat board earlier, then will take out husky wind channel 16's one end and connect via hole fixed connection, for example can pass through screw thread fixed connection.

According to the utility model discloses an embodiment, be provided with base 20 outside the bottom in husky groove 18 of collection, base 20 through a plurality of perpendicular muscle 22 that the interval set up with husky groove 18 of collection connects, base 20's bottom is the level setting, is connected with husky groove 18 of collection through setting up base 20 and a plurality of perpendicular muscle 22 for base 20, a plurality of perpendicular muscle 22, husky groove 18 of collection and the casing 10 that removes sand form a framework, and this framework is rectangular bodily form, and the structure is regular, small in size, is convenient for deposit, and when placing by base 20 steady support, occupation space is little after the installation, does not influence electrical equipment's normal installation.

According to the utility model discloses an embodiment, the interior week of import of centrifuge tube 121 constructs for the heliciform, is convenient for increase the rotation when external new trend gets into centrifuge tube 121 to the flow path of extension new trend in centrifuge tube 121 makes the new trend fully contact with the section of thick bamboo wall of centrifuge tube 121, thereby can separate out the sand and dust more fully.

According to the utility model discloses a rail vehicle of second aspect embodiment, which comprises a carriage body, install electrical equipment on the automobile body, still include foretell filter equipment that removes sand, remove sand filter equipment and install electrical equipment's vent department, the new trend that gets into electrical equipment filters most dust and sand by filter equipment's that removes sand 12 at first and is called the one-level filtration, then filters once more through filter screen 24 through the new trend that the one-level was filterable and is called the second grade filtration, and the clean air after twice filtration gets into electrical equipment's vent, has prolonged electrical equipment's life, need not often to wash filter screen 24 moreover, labour saving and time saving.

The rail vehicle of this embodiment has all the advantages of the sand-removing filter device due to the installation of the sand-removing filter device, and the description is omitted here.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims (10)

1. A sand removing and filtering device is characterized by comprising a sand removing shell, a sand removing filter arranged in the sand removing shell, a sand pumping air channel communicated with a sand and dust outlet of the sand removing filter and a sand pumping fan connected with the sand pumping air channel;

still including being located the filter screen of the air outlet of sand removal filter, the filter screen is installed on the casing that removes sand.

2. The sand removing and filtering device as claimed in claim 1, wherein the strainer is detachably connected to the sand removing housing, and the strainer is spaced from the air outlet of the sand removing filter.

3. The sand removing and filtering device as claimed in claim 2, wherein the filter screen comprises a non-woven fabric filter screen and a filter screen frame body for mounting the non-woven fabric filter screen, the sand removing shell is provided with a connecting lug or a mounting frame around the filter screen, and the filter screen frame body is detachably connected with the connecting lug or the mounting frame through a connecting piece.

4. The sand removing and filtering device according to claim 1, wherein the sand removing filter comprises a plurality of cyclones, each cyclone comprises a centrifugal cylinder and an air outlet cylinder positioned in the centrifugal cylinder, the outlets of all the centrifugal cylinders form the sand dust outlet, and the sand pumping fan is a negative pressure fan; and the outlets of all the air outlet cylinders form the air outlet of the sand removing filter.

5. The sand removing and filtering device as claimed in claim 1, wherein a sand collecting groove communicated with the sand dust outlet extends downwards from the bottom of the sand removing housing, and the sand suction duct is communicated with a side wall of the sand collecting groove.

6. The sand removing and filtering device as claimed in claim 5, wherein the sand trap comprises a pair of flat plates and a pair of inclined plates, the pair of inclined plates are connected between the pair of flat plates, the pair of inclined plates are inclined downwards from two ends of the bottom of the sand removing shell to the middle part, and the pair of flat plates and the pair of inclined plates enclose the sand trap.

7. The sand removing and filtering device as claimed in claim 6, wherein the sand extracting duct is connected to one of the flat plates of the sand trap.

8. The sand removing and filtering device as claimed in claim 6, wherein a base is arranged at the bottom of the sand collecting groove, the base is connected with the sand collecting groove through a plurality of vertical ribs arranged at intervals, and the bottom of the base is arranged horizontally.

9. The sand removing filter device as claimed in claim 4, wherein the inlet inner periphery of the centrifuge bowl is configured as a spiral.

10. A rail vehicle comprising a vehicle body on which electrical equipment is mounted, characterized by further comprising a sand removing filter device as claimed in any one of claims 1-9 mounted at a vent of the electrical equipment.

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