CN117702551B - Railway ballast sucking vehicle - Google Patents

Abstract

The invention relates to the field of railway maintenance machinery equipment, and discloses a railway ballast absorbing vehicle which comprises a vehicle frame, wherein a travelling system, an absorbing mechanism and a negative pressure mechanism are arranged on the vehicle frame, the absorbing mechanism comprises an absorbing member and a discharging member, the absorbing member comprises a rotary shell, a mounting frame is arranged in the rotary shell, the discharging member comprises an outer fixed shell arranged on the mounting frame, an inner rotator is sleeved in the outer fixed shell, a feeding hole is formed in the upper end face of the outer fixed shell, a discharging hole is formed in the lower end face of the outer fixed shell, two connecting holes are formed in the upper end face of the inner rotator in an array manner along the circumferential direction, one connecting hole is communicated with the feeding hole, the other connecting hole is communicated with the discharging hole, a negative pressure tank extends from the upper orifice of the feeding hole, a connecting pipe extends from the upper end of the negative pressure tank, the connecting pipe is connected with the discharging end of the absorbing member, a guide pipe extends from the lower orifice of the discharging hole, and the lower pipe orifice of the guide pipe is coaxial with the rotary shell.

Description

Railway ballast sucking vehicle

Technical Field

The invention relates to the field of railway maintenance mechanical equipment, in particular to a railway ballast sucking vehicle.

Background

The railway ballast refers to coarse gravel or broken stone, is mainly used on a railway bed and used for supporting a railway sleeper, is a common railway bed structure, can generate strong airflow impact on the periphery when a train runs, and easily causes the railway ballast to be far away from a track, so that the railway ballast needs to be maintained regularly, and is generally realized through a ballast sucking vehicle which collects the railway ballast of the railway bed by utilizing a negative pressure technology and then re-spreads the collected railway ballast on the track.

According to the description of the working principle of the train, the train generates negative pressure absorption power through a fan system, materials are sucked into a conveying pipe, the railway ballast in the materials is left in a first gravity settling chamber, the railway ballast is discharged through a discharger below, impurities in the materials are separated by a filter element, and the discharged air is clean, so that the train has some defects: 1. the ballast is discharged through the discharger, and in the ballast discharging process, as the discharger is opened and is equivalent to a vent hole more than the settling chamber, the ballast can be continuously absorbed into the settling chamber by negative pressure until the discharger is closed, and the ballast discharging and the ballast absorption cannot be simultaneously carried out, so that the service life of the fan system is seriously influenced by starting and stopping the fan system, or the fan system still keeps running when the ballast is discharged, and unnecessary energy consumption can be generated; 2. when absorbing railway ballast through the negative pressure, can be with the impurity rubbish of track side together suck away, impurity has the dust, and rubbish has leaf branch, plastic bag etc. these are filtered by the filter core, but lead to the filter core to block up easily, especially leaf plastic bag, cover on the filter core surface more easily, cause the filter core to block up.

Based on the above, the invention provides a railway ballast sucking vehicle.

Disclosure of Invention

In order to solve the problems mentioned in the background, the invention provides a railway ballast sucking vehicle.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The railway ballast absorption vehicle comprises a vehicle frame and a traveling system arranged on the vehicle frame, wherein an absorption mechanism and a negative pressure mechanism are further arranged on the vehicle frame, the absorption mechanism comprises an absorption member and a discharging member, the absorption member comprises a rotary shell vertically arranged on the vehicle frame, and a mounting frame is arranged in the rotary shell;

the discharging component comprises an outer fixed shell arranged on the mounting frame, an inner rotator is sleeved in the outer fixed shell, and the inner rotator is in power connection with a second motor arranged on the outer fixed shell;

The upper end face of the outer fixed shell is provided with a feeding hole, the lower end face of the outer fixed shell is provided with a discharging hole, the upper end face of the inner rotator is provided with connecting holes in a penetrating way, the connecting holes are arranged in an array mode along the circumferential direction of the inner rotator, one connecting hole is communicated with the feeding hole, and the other connecting hole is communicated with the discharging hole;

the upper orifice of the feed hole extends to form a negative pressure tank, the upper end of the negative pressure tank extends to form a connecting pipe, the connecting pipe is connected with the discharge end of the absorption member, the lower orifice of the discharge hole extends to form a material guide pipe, and the lower orifice of the material guide pipe is coaxial with the rotary shell.

Further, the rotating shell is in power connection with a motor I arranged on the frame, a convex frame is arranged at the upper end of the rotating shell, a telescopic rod is arranged on the outer circular surface of the rotating shell, a cantilever is hinged to the convex frame, the upper end of the telescopic rod is hinged to the cantilever, and a plurality of hanging rings are sleeved on the cantilever;

The absorption component comprises an absorption pipe, one end of the absorption pipe is connected with the connecting pipe, the other end of the absorption pipe sequentially penetrates through the hanging rings and is provided with a support, the hanging rings are fixed with the absorption pipe, a touch screen is arranged on the support, and the touch screen is used for controlling the operation of the absorption mechanism and the negative pressure mechanism.

Further, a mounting shell is arranged below the material guide pipe, a blanking hole is formed in the upper end face of the mounting shell, and the upper orifice of the blanking hole is movably connected with the lower pipe orifice of the material guide pipe;

Be provided with three conveyer belts on the frame, the feed end of three conveyer belts all is located the installation shell and is provided with the guide body between the three, is the guide of the side that the slope was arranged through the guide body, makes the railway ballast that drops to the installation shell through the blanking hole divide into triplex and drop to the feed end of three conveyer belts respectively, and the discharge end of one set of conveyer belt is located the frame along the advancing direction directly behind, and the discharge end of two sets of conveyer belts is located the frame along the both sides of advancing direction respectively.

Further, the negative pressure mechanism comprises a filtering component arranged on the mounting frame and a negative pressure source arranged on the frame, the air inlet end of the filtering component is communicated with the negative pressure tank through an air inlet pipe, the air outlet end of the filtering component is provided with an air outlet pipe II, the tail end of the air outlet pipe II is communicated with a middle hole coaxially arranged on the upper end face of the rotary shell, and the middle hole is communicated with the air inlet end of the negative pressure source through an air outlet pipe I.

Further, the air outlet end of the negative pressure source is provided with a blowing pipe, and the blowing pipe is positioned in front of the frame along the advancing direction.

Further, the filter component includes the waste shell and installs the waste box in the waste shell, and the mounting hole has been seted up to the upper end of waste shell, and the last drill way department of mounting hole is provided with and filters the shell and both communicates, filters the incasement and installs the filter core, and the bottom of filter core is opened and is provided with the air guide body, and the inside cavity and the up end of air guide body are provided with the joint, and the upper end of joint stretches out and filters the shell and be connected with blast pipe two, filters shell and intake pipe intercommunication.

Further, a horizontally arranged rotating shaft is arranged in the filter shell, cleaning rods extend along the radial direction of the outer circle surface of the rotating shaft, a plurality of cleaning rods are arranged in an array manner along the circumferential direction of the rotating shaft, two groups of rotating shafts are arranged along the horizontal direction perpendicular to the self-axis core wire, power connection is realized between the input ends of the two groups of rotating shafts through a gear set with one transmission ratio, and the filter core is arranged between the two groups of rotating shafts;

The horizontal cross-sectional area of the filter element is gradually decreased from bottom to top, two sides of the filter element along the distance direction between the two groups of rotating shafts are in an arc surface shape, and in the process that the cleaning rod rotates along with the rotating shafts, the rotating track at the tail end of the cleaning rod and the arc surface of the filter element are coaxial in equal diameter, and the filter holes of the filter element are formed in the arc surface.

Further, the cleaning bars on the two sets of rotating shafts are staggered with each other, and the ends of the cleaning bars on one set of rotating shafts can extend into the area between two adjacent cleaning bars on the other set of rotating shafts.

Further, one side of each of the two groups of rotating shaft core wires, which are opposite, is provided with a baffle plate, the baffle plates are obliquely arranged, the distance between the two baffle plates is decreased from bottom to top, and the baffle plates are provided with avoiding holes for avoiding the cleaning rods.

Compared with the prior art, the invention has the beneficial effects that:

1. In the scheme, the two connecting holes are alternately interchanged to realize simultaneous occurrence of ballast absorption and ballast discharge without interruption or unnecessary energy consumption, so that the efficiency of ballast absorption can be further improved, the maintenance efficiency of a railway ballast bed is further improved, and the problem that the ballast discharge and the ballast absorption cannot be simultaneously performed in the prior art is solved, so that the service life of the fan system is seriously influenced by starting and stopping the fan system, or the fan system still keeps running when the ballast is discharged, and unnecessary energy consumption is generated;

Furthermore, in the scheme, the arrangement of the three groups of conveying belts can receive railway ballasts and pull the railway ballasts to discharge towards each part of the railway ballast bed, and the discharge amount can be adjusted according to the adjustment of the conveying speed of the conveying belts, so that the ballasts are sucked and discharged at the same time, and the maintenance efficiency of the railway ballast bed is accelerated.

2. In this scheme, realize the filtration to the air through filtering component, make the air that goes out clean, filter in-process, the epaxial clean pole of two sets of rotation mutually support, can realize cleaning the dust on filter core surface and can pull rubbish such as leaf or plastic bag and fall into the waste box, the staff regularly take the waste box out, pour out rubbish can, that is to say, in this scheme, filtering component can play self-cleaning 'dust, leaf and the easy problem of blocking up the filter core of rubbish such as plastic bag' that mention in the background art has been solved.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of the absorbing mechanism and the negative pressure mechanism;

FIG. 4 is a partial schematic view of an absorption mechanism and a negative pressure mechanism;

FIG. 5 is a cross-sectional view of the discharge member;

FIG. 6 is a partial schematic view of a negative pressure mechanism;

FIG. 7 is a schematic view of a filter member;

FIG. 8 is an internal schematic view of a filter housing;

FIG. 9 is a schematic view of a cleaning wand and a plastic bag;

fig. 10 is a schematic view of a conveyor belt and a guide body and a guide tube.

The reference numerals in the drawings are:

100. A frame; 200. an absorption mechanism; 201. rotating the shell; 202. a first motor; 203. a cantilever; 204. a telescopic rod; 205. an absorption tube; 206. a connecting pipe; 207. a discharging member; 2071. an outer fixing case; 2072. an internal rotator; 2073. a material guiding pipe; 2074. a second motor; 300. a negative pressure mechanism; 301. a negative pressure source; 302. a blowing pipe; 303. an exhaust pipe I; 304. an exhaust pipe II; 305. a filter member; 3051. a waste shell; 3052. a waste bin; 3053. conducting gas; 3054. a filter housing; 3055. a third motor; 3056. a gear set; 3057. a filter element; 3058. a rotation shaft; 3059. a cleaning lever; 306. an air inlet pipe; 307. a baffle; 400. a conveyor belt; 401. and a material guiding body.

Detailed Description

In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

In fig. 9 of the present embodiment, a refers to a plastic bag.

Referring to fig. 1-10, a ballast sucking vehicle for a railway ballast bed comprises a frame 100, wherein a travelling system, an absorption mechanism 200 and a negative pressure mechanism 300 are installed on the frame 100, the travelling system is used for pulling the ballast sucking vehicle to move on a railway track, the ballast sucking vehicle can be realized in the prior art, the negative pressure mechanism 300 is not repeated, the absorption mechanism 200 is used for providing negative pressure for the absorption mechanism 200, the absorption mechanism 200 is used for absorbing ballasts in a negative pressure mode, the negative pressure mechanism 300 provides negative pressure in a way of sucking air, the negative pressure mechanism 300 comprises a filtering member 305, the filtering member 305 is used for filtering dust, garbage and the like, and can gather the dust and the garbage together, a filtering hole is not blocked, the filtering process is not influenced, the ballast sucking action of the absorption mechanism 200 can be simultaneously generated with the ballast sucking action, the ballast sucking action in the prior art is solved, the problem that the service life of the fan system is seriously influenced, or the fan system is still running without the ballast is not consumed when the fan system is in the running.

1. Absorption mechanism 200:

referring to fig. 3 to 5, the absorption mechanism 200 includes an absorption member for absorbing the ballast and pulling the ballast into the discharge member 207, and a discharge member 207 for discharging the ballast.

Referring to fig. 3, the absorbing member includes a rotating case 201 vertically installed on the frame 100, the rotating case 201 is driven to rotate by a first motor 202 disposed on the frame 100, a convex frame is disposed at an upper end of the rotating case 201, a telescopic rod 204 is disposed on an outer circular surface of the rotating case, the telescopic rod 204 may be an existing electric telescopic rod technology, a cantilever 203 is hinged on the convex frame, an upper end of the telescopic rod 204 is hinged with the cantilever 203, a plurality of hanging rings are disposed on the cantilever 203, the hanging rings can move on the cantilever 203, an absorbing tube 205 is disposed in the hanging rings, one end of the absorbing tube 205 is connected with a discharging member 207, the other end sequentially passes through the plurality of hanging rings and is provided with a bracket, the hanging rings are fixed with the absorbing tube 205, and a touch screen is disposed on the bracket for controlling operation of the absorbing mechanism 200 and the negative pressure mechanism 300; during the use, the support is held by the staff, the pipe orifice of the absorption pipe 205 is pulled manually to absorb the railway ballast distributed at each part of the railway track bed, in the process, the cantilever 203 is driven to deflect by the staff manually moving the support and the telescopic rod 204 and the travelling system is driven to move by the frame 100, the pipe orifice of the absorption pipe 205 can move at one side of the railway track bed to absorb the railway ballast, in addition, the rotation shell 201 can be driven to rotate by the motor 202, the cantilever 203 is positioned at the other side of the railway track bed or between two tracks of the railway track bed, and the railway ballast can be absorbed in the areas.

Referring to fig. 4 and 5, a mounting frame is provided in the rotary case 201, and the discharging member 207 includes an outer fixing case 2071 mounted on the mounting frame, an inner rotator 2072 is provided in the inner fixing case 2071, and the inner rotator 2072 is rotated by a motor two 2074 provided on the outer fixing case 2071.

The upper end face of the outer stationary casing 2071 is provided with a feed hole, the lower end face is provided with a discharge hole, the upper end face of the inner rotator 2072 is provided with connecting holes in a penetrating manner, the connecting holes are arranged in an array along the circumferential direction of the inner rotator 2072, one connecting hole is communicated with the feed hole, and the other connecting hole is communicated with the discharge hole.

The upper orifice of the feed hole extends to have the negative pressure jar, and the upper end of negative pressure jar extends to have connecting pipe 206, and connecting pipe 206 is connected with absorption pipe 205, and the lower orifice of discharge hole extends to have the passage 2073, and the lower mouth of pipe of passage 2073 is coaxial with rotatory shell 201.

The negative pressure mechanism 300 is used for sucking air in the negative pressure tank, further sucking air in the connecting pipe 206 and the absorbing pipe 205, and under the action of negative pressure, the ballast near the pipe orifice of the absorbing pipe 205 is sucked into the absorbing pipe 205 and falls into the negative pressure tank, and finally falls into the connecting hole communicated with the feeding hole;

after the preset time, the motor II 2074 drives the internal rotator 2072 to rotate for one circle, so that the two connecting holes are interchanged, the connecting holes in which the railway ballast is stored are communicated with the discharging holes, the railway ballast falls into the guide pipe 2073 and is guided to be output by the guide pipe 2073, and the empty connecting holes are communicated with the connecting holes to receive the railway ballast, thereby realizing that the railway ballast absorption and the railway ballast discharge occur simultaneously without interruption or unnecessary energy consumption, further improving the efficiency of railway ballast absorption, and further improving the maintenance efficiency of a railway ballast bed.

Further, the ballast is discharged through the material guiding pipe 2073, then, the ballast can be pulled to move and be collected for subsequent use by the existing conveying belt and other technologies, and a mounting shell is arranged below the material guiding pipe 2073, a blanking hole is formed in the upper end face of the mounting shell, and the upper orifice of the blanking hole is movably connected with the lower orifice of the material guiding pipe 2073.

Three groups of conveying belts 400 are arranged on the frame 100, the feeding ends of the three groups of conveying belts 400 are positioned in the installation shell, a guide body 401 is arranged between the three groups of conveying belts, and railway ballasts falling into the installation shell through blanking holes are divided into three parts by guiding the side surfaces of the guide body 401 in inclined arrangement and respectively fall into the feeding ends of the three groups of conveying belts 400.

The discharge ends of one group of conveyor belts 400 are positioned right behind the frame 100 in the advancing direction, and the discharge ends of the other two groups of conveyor belts 400 are respectively positioned at two sides of the frame 100 in the advancing direction.

The conveyor belts 400 are driven to run through the prior motor technology, and the railway ballast can be pulled to fall onto the railway track bed, and as the discharge ends of the three groups of conveyor belts 400 cover the area of the railway track bed between two tracks and the areas on the two sides of the railway track, the conveying speed of the three groups of conveyor belts 400 can be controlled according to the actual condition of the railway track bed, the quantity of the railway ballast falling onto the railway track bed is controlled, and the maintenance of the railway track bed on the railway ballast can be completed by slightly stirring the railway track bed manually.

2. Negative pressure mechanism 300:

Referring to fig. 3, 4 and 6-9, the negative pressure mechanism 300 includes a filter member 305 disposed on a mounting frame and a negative pressure source 301 disposed on the frame 100, where the negative pressure source 301 may be a fan, or may be an air compressor, etc., and an air inlet end of the filter member 305 is communicated with a negative pressure tank through an air inlet pipe 306, an air outlet end of the filter member 305 is provided with an air outlet pipe 304, an end of the air outlet pipe 304 is communicated with a middle hole coaxially disposed on an upper end surface of the rotary shell 201, and the middle hole is communicated with an air inlet end of the negative pressure source 301 through an air outlet pipe 303, and it is noted that the air outlet pipe 303 is movably connected with the middle hole, for example, a connection is achieved through a rotary joint.

When the negative pressure source 301 is operated, air in the negative pressure tank sequentially enters the negative pressure source 301 through the air inlet pipe 306, the filtering member 305, the exhaust pipe II 304 and the exhaust pipe I303, and is discharged through the air outlet end of the negative pressure source 301, preferably, a blowing pipe 302 can be arranged at the air outlet end of the negative pressure source 301, the blowing pipe 302 is positioned in front of the frame 100 along the advancing direction, and the air flow discharged through the blowing pipe 302 blows air to the railway to blow away some garbage in advance.

Referring to fig. 6 to 9, the filtering member 305 includes a waste case 3051 and a waste cartridge 3052 installed in the waste case 3051, a mounting hole is opened at an upper end of the waste case 3051, and a filtering case 3054 is provided at an upper orifice of the mounting hole and is communicated with the waste case 3051.

The filter housing 3054 is internally provided with a rotating shaft 3058 which is horizontally arranged, the outer circumferential surface of the rotating shaft 3058 is radially extended with cleaning rods 3059, a plurality of cleaning rods 3059 are arranged along the circumferential direction of the rotating shaft 3058 in an array manner, two groups of rotating shafts 3058 are arranged along the horizontal direction perpendicular to the self-axis core wire, power connection is realized between the input ends of the two groups of rotating shafts 3058 through a gear set 3056 with a transmission ratio, in addition, any one rotating shaft 3058 is driven to rotate through a motor three 3055 arranged on the waste housing 3051, and then under the action of the gear set 3056, the other rotating shaft 3058 rotates at the same speed and reversely, as shown in fig. 8, the rotating shaft 3058 on the left side rotates clockwise, and the rotating shaft 3058 on the right side rotates anticlockwise.

A filter core 3057 is arranged between the two sets of rotating shafts 3058, the filter core 3057 is triangular prism-shaped, the horizontal cross section area is gradually decreased from bottom to top, the bottom of the filter core 3057 is open and is provided with an air guide body 3053, the air guide body 3053 is hollow, the upper end face of the air guide body 3053 is provided with a connector, and the upper end of the connector extends out of the filter shell 3054 and is connected with the exhaust pipe II 304.

The filter element 3057 is in an arc shape along two sides of a distance direction between the two sets of rotation shafts 3058, and in a process that the cleaning rod 3059 rotates along the rotation shafts 3058, a rotation track of the tail end of the cleaning rod 3059 is coaxial with and in equal diameter with the arc surface of the filter element 3057, so that the tail end of the cleaning rod 3059 can clean the filter element 3057 in a contact manner, the cleaning action mainly aims at removing ash, and in addition, a filter hole of the filter element 3057 is arranged on the arc surface.

Referring to fig. 8, the cleaning bars 3059 on the two sets of rotation shafts 3058 are arranged to be staggered with each other, and the ends of the cleaning bars 3059 on one set of rotation shafts 3058 can protrude into the region between the adjacent two cleaning bars 3059 on the other set of rotation shafts 3058.

One side of each of the two sets of rotating shafts 3058, opposite to each other, is provided with a baffle 307, the baffles 307 are obliquely arranged, the distance between the two baffles 307 is decreased from bottom to top, and the baffles 307 are provided with avoiding holes for avoiding the cleaning rods 3059.

The interior cavity of the filter housing 3054 communicates with the air inlet tube 306.

The operation of the filter member 305 is represented as:

In the negative pressure tank, the ballast falls downwards under the action of gravity, and lighter garbage such as dust, leaves, plastic bags and the like is led into the filter shell 3054 through the air inlet pipe 306, wherein the air enters the negative pressure source 301 through the air guide pipe 3053, the exhaust pipe II 304 and the exhaust pipe I303 after being filtered by the filter core 3057, is discharged through the air outlet end of the negative pressure source 301, the dust is remained on the surface of the filter core 3057, is cleaned by the continuously rotating cleaning rod 3059, falls into the waste box 3052 in the waste shell 3051, is smashed, is cleaned by the cleaning rod 3059 and falls into the waste box 3052, or is wound on the cleaning rod 3059 as easily as the plastic bags;

taking a plastic bag hanging on the left cleaning rod 3059 as an example for explanation:

Referring to fig. 8, when the left rotation shaft 3058 rotates clockwise and the right rotation shaft 3058 rotates counterclockwise, the cleaning rod 3059 performs a scraping action when passing through the avoidance hole, the surface of the cleaning rod 3059 is cleaned, if the plastic bag is not hung off, referring to fig. 9, since the cleaning rod 3059 is continuously rotated, the plastic bag is hung on the right cleaning rod 3059 in the manner shown in fig. 9, during the rotation process after passing through the avoidance hole, since the cleaning rods 3058 on the two sets of rotation shafts 3058 are staggered with each other, and the end of the cleaning rod 3059 on one set of rotation shafts 3058 can extend into the area between the adjacent two cleaning rods 3059 on the other set of rotation shafts 3058, the end of the right cleaning rod 3059 extends into the plastic bag, and a pulling force is applied to the plastic bag, and the plastic bag moves away from the left rotation shaft 3058 along the extending direction of the left cleaning rod 3059, so repeatedly, and finally the plastic bag is separated from the cleaning rod 3059.

In summary, the unique design of the filtering member 305 can provide a self-cleaning function to prevent dust, leaves, plastic bags and other garbage from affecting the filtering process, and staff regularly withdraw the waste box 3052 to pour out the garbage.

The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a railway ballast absorbing vehicle, includes frame (100) and installs the traveling system on frame (100), its characterized in that: the vehicle frame (100) is also provided with an absorption mechanism (200) and a negative pressure mechanism (300), the absorption mechanism (200) comprises an absorption member and a discharging member (207), the absorption member comprises a rotary shell (201) vertically arranged on the vehicle frame (100), and a mounting frame is arranged in the rotary shell (201);

the unloading component (207) comprises an outer fixed shell (2071) arranged on the mounting frame, an internal rotator (2072) is sleeved in the outer fixed shell (2071), and the internal rotator (2072) is in power connection with a motor II (2074) arranged on the outer fixed shell (2071);

The upper end face of the outer fixed shell (2071) is provided with a feeding hole, the lower end face is provided with a discharging hole, the upper end face of the inner rotator (2072) is provided with connecting holes in a penetrating way, the connecting holes are arranged in an array way along the circumferential direction of the inner rotator (2072), one connecting hole is communicated with the feeding hole, and the other connecting hole is communicated with the discharging hole;

The upper orifice of the feed hole extends to have a negative pressure tank, and the upper end of negative pressure tank extends to have connecting pipe (206), and connecting pipe (206) are connected with the discharge end of absorbing member, and the lower orifice of feed hole extends to have a passage (2073), and the lower mouth of pipe and the rotatory shell (201) of passage (2073) are coaxial.

2. The railway ballast sucking vehicle according to claim 1, wherein: the rotary shell (201) is in power connection with a first motor (202) arranged on the frame (100), a convex frame is arranged at the upper end of the rotary shell (201), a telescopic rod (204) is arranged on the outer circular surface of the rotary shell, a cantilever (203) is hinged on the convex frame, the upper end of the telescopic rod (204) is hinged with the cantilever (203), and a plurality of hanging rings are sleeved on the cantilever (203);

the absorption member comprises an absorption pipe (205), one end of the absorption pipe (205) is connected with a connecting pipe (206), the other end sequentially passes through a plurality of hanging rings and is provided with a support, the hanging rings are fixed with the absorption pipe (205), a touch screen is arranged on the support, and the touch screen is used for controlling the operation of an absorption mechanism (200) and a negative pressure mechanism (300).

3. The railway ballast sucking vehicle according to claim 1, wherein: a mounting shell is arranged below the material guiding pipe (2073), a blanking hole is formed in the upper end face of the mounting shell, and the upper orifice of the blanking hole is movably connected with the lower pipe orifice of the material guiding pipe (2073);

Be provided with three conveyer belt (400) on frame (100), the feed end of three conveyer belt (400) all is located in the installation shell and is provided with guide body (401) between the three, be the guide of the side that the slope was arranged through guide body (401), make the railway ballast that drops to the installation shell through blanking hole divide into the triplex and drop the feed end of three conveyer belt (400) respectively, the discharge end of a set of conveyer belt (400) is located frame (100) along the advance direction directly behind, the discharge end of two sets of conveyer belt (400) is located the both sides of frame (100) along the advance direction respectively.

4. The railway ballast sucking vehicle according to claim 1, wherein: the negative pressure mechanism (300) comprises a filtering component (305) arranged on a mounting frame and a negative pressure source (301) arranged on the frame (100), wherein the air inlet end of the filtering component (305) is communicated with the negative pressure tank through an air inlet pipe (306), the air outlet end of the filtering component (305) is provided with an exhaust pipe II (304), the tail end of the exhaust pipe II (304) is communicated with a middle hole coaxially arranged on the upper end face of the rotating shell (201), and the middle hole is communicated with the air inlet end of the negative pressure source (301) through an exhaust pipe I (303).

5. The railway ballast sucking vehicle according to claim 4, wherein: the air outlet end of the negative pressure source (301) is provided with a blowing pipe (302), and the blowing pipe (302) is positioned in front of the frame (100) along the advancing direction.

6. The railway ballast sucking vehicle according to claim 4, wherein: the utility model provides a filter component (305) is including waste shell (3051) and install waste box (3052) in waste shell (3051), the mounting hole has been seted up to the upper end of waste shell (3051), the last drill way department of mounting hole is provided with filtration shell (3054) and both communicates, install filter core (3057) in filtration shell (3054), the bottom of filtration core (3057) is opened and is provided with air guide body (3053), the inside cavity and the up end of air guide body (3053) are provided with the joint, the upper end of joint stretches out filtration shell (3054) and is connected with blast pipe two (304), filtration shell (3054) and intake pipe (306) intercommunication.

7. The railway ballast bed ballasting vehicle of claim 6, wherein: a rotating shaft (3058) which is horizontally arranged is arranged in the filtering shell (3054), cleaning rods (3059) are arranged on the outer circumferential surface of the rotating shaft (3058) in an extending mode along the radial direction, a plurality of cleaning rods (3059) are arranged in an array mode along the circumferential direction of the rotating shaft (3058), two groups of rotating shafts (3058) are arranged along the horizontal direction perpendicular to a self-axis core wire, power connection is achieved between input ends of the two groups of rotating shafts (3058) through a gear set (3056) with one transmission ratio, and a filtering core (3057) is arranged between the two groups of rotating shafts (3058);

The horizontal cross-sectional area of the filter element (3057) is gradually reduced from bottom to top, two side surfaces of the filter element (3057) along the distance direction between two groups of rotating shafts (3058) are in an arc surface shape, and in the process that the cleaning rod (3059) follows the rotating shafts (3058) to rotate, the rotating track at the tail end of the cleaning rod (3059) and the arc surface of the filter element (3057) are coaxial in equal diameter, and the filter holes of the filter element (3057) are arranged on the arc surface.

8. The railway ballast bed ballasting vehicle of claim 7, wherein: the cleaning bars (3059) on the two sets of rotating shafts (3058) are arranged in a staggered manner, and the ends of the cleaning bars (3059) on one set of rotating shafts (3058) can extend into the area between two adjacent cleaning bars (3059) on the other set of rotating shafts (3058).

9. The railway ballast bed ballasting vehicle of claim 8, wherein: one side of each of the two groups of rotating shafts (3058) with opposite shaft core wires is provided with a baffle plate (307), the baffle plates (307) are obliquely arranged, the distance between the two baffle plates (307) is decreased from bottom to top, and the baffle plates (307) are provided with avoidance holes for avoiding the cleaning rods (3059).