阅读说明：本技术 矿石运输车厢内残余粉末的清除装置 (Device for removing residual powder in ore transport carriage ) 是由 赵京 李世龙 张庆锋 杨增玉 于 2019-10-17 设计创作，主要内容包括：本发明涉及一种矿石运输车厢内残余粉末的清除装置,包括具有水平延伸板和下垂直延伸板的安装座,在安装座一侧的水平延伸板和向下垂直延伸板之间空间内设置两个呈水平延伸的绞龙,其中的左绞龙、右绞龙分别支承于安装座上安装的轴承座,左绞龙、右绞龙的旋向相反,左绞龙、右绞龙的相向端通过一链传动装置与驱动电机连接,所述驱动电机固定安装在水平延伸板上,所述安装座的中段设置有主抽吸筒,安装座的两端分别设有侧抽吸筒,所述主抽吸筒的进口对应左绞龙、右绞龙的相向端,侧抽吸筒的进口位于左绞龙、右绞龙的相反端,所述侧抽吸筒通过管道与主抽吸筒相连,所述主抽吸筒的出口端用于连接抽吸管,下垂直延伸板的下端固定安装刮板。(The invention relates to a device for removing residual powder in an ore transport carriage, which comprises an installation base with a horizontal extension plate and a lower vertical extension plate, wherein two horizontally extending augers are arranged in a space between the horizontal extension plate and the lower vertical extension plate on one side of the installation base, the left auger and the right auger are respectively supported on a bearing seat arranged on the installation base, the rotating directions of the left auger and the right auger are opposite, the opposite ends of the left auger and the right auger are connected with a driving motor through a chain transmission device, the driving motor is fixedly arranged on the horizontal extension plate, the middle section of the installation base is provided with a main suction cylinder, the two ends of the installation base are respectively provided with a side suction cylinder, the inlet of the main suction cylinder corresponds to the opposite ends of the left auger and the right auger, the inlet of the side suction cylinder is positioned at the opposite ends of the left auger and the right auger, the side suction cylinder is connected with the main suction cylinder through a pipeline, the outlet end of the main suction cylinder is used for connecting a suction pipe, and a scraper is fixedly arranged at the lower end of the lower vertical extension plate.)

1. The utility model provides a residual powder's clearing device in ore transport carriage which characterized in that: comprises a mounting seat (1) provided with a horizontal extension plate (1-1) and a lower vertical extension plate (1-2), two packing augers which are horizontally extended are arranged in a space between the horizontal extension plate (1-1) and the lower vertical extension plate (1-2) at one side of the mounting seat (1), wherein a left packing auger (2) and a right packing auger (7) are respectively supported on a bearing seat (11) arranged on the mounting seat (1), the rotating directions of the left packing auger (2) and the right packing auger (7) are opposite, the opposite ends of the left packing auger (2) and the right packing auger (7) are connected with a driving motor (3) through a chain transmission device (5), the driving motor (3) is fixedly arranged on the horizontal extension plate (1-1), the middle section of the mounting seat (1) is provided with a main suction barrel (8), and two ends of the mounting seat (1) are respectively provided with a side suction barrel (9), the import of a main suction section of thick bamboo (8) corresponds the end in opposite directions of left auger (2), right auger (7), and the import of a side suction section of thick bamboo (9) is located the opposite end of left auger (2), right auger (7), side suction section of thick bamboo (9) links to each other with a main suction section of thick bamboo (8) through pipeline (10), the exit end of a main suction section of thick bamboo (8) is used for connecting the suction tube, lower extreme fixed mounting scraper blade (14) of perpendicular extension board (1-2) down.

2. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: guide sleeves (8-3) with lower openings are respectively arranged on the left side and the right side of the main suction cylinder (8), two guide posts (16) are symmetrically arranged at the upper end of the horizontal extension plate (1-1), the two guide posts (16) are respectively inserted into the left guide sleeve (8-3) and the right guide sleeve (8-3) of the main suction cylinder (8) to form guide limiting, and a spring (17) is respectively arranged between each guide post (16) and the guide sleeve (8-3).

3. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: chain drive (5) are including pivot (15), chain drive, the both ends of pivot (15) are fixed with the end circumference in opposite directions of left auger (2), right auger (7) respectively, chain drive's drive sprocket (5-1) is fixed with the motor shaft circumference of driving motor (3) through the key, chain drive's driven sprocket (5-2) is fixed with pivot (15) circumference through the key, installation fixed one covers protection casing (6) of driven sprocket (5-2) on mount pad (1).

4. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 3, wherein: the both ends of pivot (15) set up spacing surely tie (15-1) respectively, the end in opposite directions of left side auger (2), right side auger (7) sets up spacing hole (12-1) respectively, pivot (15) are fixed with the circumference of left and right auger through spacing cooperation formation of surely tie (15-1) and spacing hole (12-1).

5. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: left side auger (2), right side auger (7) all include rotation axis (12) and helical blade (13), helical blade (13) are fixed on the circumference of rotation axis (12), and the direction of rotation of helical blade (13) of left side auger (2), right side auger (7) is opposite.

6. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: the rear side in horizontal extension board (1-1) middle section is equipped with spacing breach (1-3) of a spacing main suction section of thick bamboo (8), the lower extreme in lower vertical extension board (1-2) middle section sets up and steps down breach (1-4), the entrance point of a main suction section of thick bamboo (8) is bent forward and is extended spacing and collude in the breach (1-4) of stepping down of vertical extension board (1-2), the rear side at horizontal extension board (1-1) left and right both ends sets up a via hole (1-6) respectively, the downside at vertical extension board (1-2) left and right both ends sets up side breach (1-5) respectively, the entrance point cooperation of side suction section of thick bamboo (9) is in this side breach (1-5), and the exit end of side suction section of thick bamboo (9) passes behind via hole (1-6) of horizontal extension board (1-1) and is put through pipeline (10) and the upper end of a main suction section of thick bamboo (8).

7. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: the inlet of the main suction cylinder (8) is in a strip hole shape, and the length of the strip inlet is greater than the distance between opposite ends of the left packing auger (2) and the right packing auger (7).

8. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: the driving motor (3) is arranged at the upper end of the horizontal extension plate (1-1) through a bracket (4).

9. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: the scraper (14) is made of felt or rubber.

10. The apparatus for removing residual powder from a mineral ore transport vehicle as defined in claim 1, wherein: and an installation support lug is fixed on the side suction barrel (9) and is fixedly connected with the installation base (1) through a bolt.

Technical Field

The invention relates to the field of cleaning of transport carriages, in particular to a device for removing residual powder in an ore transport carriage.

Background

The transport carriage is mainly used for containing transported goods and is widely applied to freight trains and automobiles. When the goods in the transport carriage are ores, a large amount of ore powder remains on the bottom plate in the carriage of the transport carriage after the unloading is finished, and the amount of the remaining ore powder is increased under the influence of mineral materials or wet weather. At present, the residual ore powder can be removed only by adopting a manual cleaning mode, the situation of incomplete removal exists under the influence of human factors, the manual cleaning efficiency is extremely low, and the time of a transportation period is prolonged. Particularly, the cleaning of the transport carriages on the freight train prolongs the cleaning time of the transport carriages of the train and delays the operation of the freight train because the number of the carriages needing to be cleaned is large.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device for removing residual powder in an ore transport carriage, which has high efficiency of removing the residual powder, shortens the transport period and has good removal effect.

The technical scheme of the invention is as follows: the utility model provides a clearing device of remaining powder in ore transportation carriage, includes the mount pad that has horizontal extension board and lower vertical extension board, sets up two augers that are horizontal extension in the space between the horizontal extension board of mount pad one side and the board that extends perpendicularly downwards, and left auger wherein, right auger bear the bearing frame of installation on the mount pad respectively, the rotation of left auger, right auger is opposite, and the end in opposite directions of left auger, right auger is connected with driving motor through a chain drive, driving motor fixed mounting is on horizontal extension board, the middle section of mount pad is provided with main suction tube, and the both ends of mount pad are equipped with side suction tube respectively, the import of main suction tube corresponds the end in opposite directions of left auger, right auger, and the import of side suction tube is located the opposite end of left auger, right auger, side suction tube passes through the pipeline and links to each other with main suction tube, the outlet end of the main suction cylinder is used for connecting a suction pipe.

The left side and the right side of the main suction cylinder are respectively provided with a guide sleeve with a lower opening, the upper end of the horizontal extension plate is symmetrically provided with two guide posts, the two guide posts are respectively inserted into the left guide sleeve and the right guide sleeve of the main suction cylinder to form guide limit, and a spring is arranged between each guide post and the guide sleeve.

Chain drive includes pivot, chain drive, the both ends of pivot are fixed with left auger, right auger in opposite directions end circumference respectively, chain drive's drive sprocket passes through the key and fixes with driving motor's motor shaft circumference, chain drive's driven sprocket passes through the key and fixes with pivot circumference, the installation is fixed one on the mount pad and covers driven sprocket's protection casing.

The both ends of pivot set up spacing surely to tie respectively, the end in opposite directions of left side auger, right auger sets up spacing hole respectively, the pivot is fixed with the circumference of left and right auger through spacing cooperation formation of surely tie with spacing hole.

Left side auger, right auger all include rotation axis and helical blade, helical blade fixes on the circumference of rotation axis, and left side auger, right auger's helical blade's revolve to opposite.

The rear side in horizontal extension board middle section is equipped with the spacing breach of a spacing main suction section of thick bamboo, the lower extreme in lower perpendicular extension board middle section sets up the breach of stepping down, the entrance point of a main suction section of thick bamboo is crooked to be extended spacing collude in the breach of stepping down of perpendicular extension board, the rear side at the left and right both ends of horizontal extension board sets up a via hole respectively, the downside at the left and right both ends of perpendicular extension board sets up the side breach respectively down, the entrance point cooperation of side suction section of thick bamboo is in this side breach, and the exit end of side suction section of thick bamboo passes through the upper end switch-on of pipeline and main suction section of thick bamboo behind the via hole of horizontal extension board.

The inlet of the main suction cylinder is in a strip hole shape, and the length of the strip inlet is greater than the distance between opposite ends of the left auger and the right auger.

The driving motor is arranged at the upper end of the horizontal extension plate through a bracket.

The scraper is made of felt or rubber.

And the side suction barrel is fixedly provided with an installation support lug which is fixedly connected with the installation seat through a bolt.

Adopt above-mentioned technical scheme: comprises a mounting seat with a horizontal extension plate and a lower vertical extension plate, two packing augers which are horizontally extended are arranged in a space between the horizontal extension plate and the lower vertical extension plate on one side of the mounting seat, wherein the left packing auger and the right packing auger are respectively supported on a bearing seat arranged on the mounting seat, the rotating directions of the left packing auger and the right packing auger are opposite, the opposite ends of the left packing auger and the right packing auger are connected with a driving motor through a chain transmission device, the driving motor is fixedly arranged on the horizontal extension plate, the middle section of the mounting seat is provided with a main suction cylinder, two ends of the mounting seat are respectively provided with a side suction cylinder, the inlet of the main suction cylinder corresponds to the opposite ends of the left packing auger and the right packing auger, the inlet of the side suction cylinder is positioned at the opposite ends of the left packing auger and the right packing auger, the side suction tube is connected with the main suction tube through a pipeline, and the outlet end of the main suction tube is used for being connected with a suction tube. When the device is used, the length of the packing auger is selected according to the width of the carriage, the packing auger is arranged on the mounting seat, and then the outlet at the upper end of the main suction cylinder is connected with the suction pipe of the vacuum pump. And then the device is fixed on a lifting device of the portal frame, so that residual powder in the carriage can be removed through the device. When the ore conveying device works, the ore conveying carriage and the vehicle move forwards and penetrate through the portal frame, and when the front end of the ore conveying carriage is just positioned below the portal frame, the lifting device of the portal frame is controlled to drive the cleaning device to descend until the scraper of the cleaning device contacts the bottom plate of the carriage. The left and right packing augers are driven by the working driving motor through the chain transmission device to rotate, residual powder on the left and right sides of the mounting seat can be sucked away by the left and right side suction cylinders under the action of the vacuum pump, and most of the residual powder can be rolled to the middle part by the left and right packing augers and is sucked away by the main suction cylinder. The lower vertical extension plate of the mounting seat can block the residual powder, so that the auger is guaranteed to effectively drive the residual powder, and the main suction cylinder can efficiently suck the residual powder. And the residual powder which is not rolled up by the auger can be scraped away by the scraper at the lower end of the vertical extension plate under the mounting seat, so that the residual powder removing effect is good. Along with the removal of transport carriage, the remaining powder in the transport carriage just can be clear away to the back relatively to the clearing device, and until the clearing device clears away to transport carriage rearmost end, the rethread portal frame's elevating gear control clearing device rises this moment, lets the position for shifting out of transport carriage. And repeating the steps when the next transport carriage enters the portal frame. Therefore, automatic clearing of residual powder in the ore transport carriage is realized, the automation degree is improved, and a plurality of problems caused by manual clearing are solved. The cleaning device has good cleaning effect on residual powder, has high cleaning efficiency and shortens the time of the transportation period. The residual powder can be quickly removed even by the freight train with a plurality of transport carriages, so that the delay time of the freight train for removing the residual powder is shortened, and great convenience is brought to the transport. When the device is used for transport carriages of different sizes, the packing augers of different lengths can be replaced, and the device is good in universality.

The left side and the right side of the main suction cylinder are respectively provided with a guide sleeve with a lower opening, the upper end of the horizontal extension plate is symmetrically provided with two guide posts, the two guide posts are respectively inserted into the left guide sleeve and the right guide sleeve of the main suction cylinder to form guide limit, and a spring is arranged between each guide post and the guide sleeve. When the device meets the bulge on the carriage bottom plate, the mounting seat is stressed to move upwards and compress the spring, the main suction cylinder is kept still, so that the device can give way to the bulge, the condition that the packing auger collides with the bulge to be damaged is prevented, the guide sleeve and the guide pillar are matched to have a guiding function, and the guide sleeve and the guide pillar are matched to form the limit of the main suction cylinder.

Chain drive includes pivot, chain drive, the both ends of pivot are fixed with left auger, right auger in opposite directions end circumference respectively, chain drive's drive sprocket passes through the key and fixes with driving motor's motor shaft circumference, chain drive's driven sprocket passes through the key and fixes with pivot circumference, the installation is fixed one on the mount pad and covers driven sprocket's protection casing. The left and right packing augers are driven by the driving motor through the rotating shaft, and the transmission of the chain transmission mechanism is stable and reliable. The both ends of pivot set up spacing surely to tie respectively, the end in opposite directions of left side auger, right auger sets up spacing hole respectively, the pivot is fixed with the circumference of left and right auger through spacing cooperation formation of surely tie with spacing hole. The connection of the rotating shaft and the packing auger is simple, the two ends of the rotating shaft are inserted into the limiting holes of the left packing auger and the right packing auger, the rotating shaft is matched with the limiting holes through limiting flattening, and the circumferential fixation between the rotating shaft and the packing auger is stable and reliable.

Left side auger, right auger all include rotation axis and helical blade, helical blade fixes on the circumference of rotation axis, and left side auger, right auger's helical blade's revolve to opposite. The auger has simple structure, and the helical blade is mainly used for rolling the residual powder during working and conveying the residual powder to the inlet of the main suction cylinder.

The rear side in horizontal extension board middle section is equipped with the spacing breach of a spacing main suction section of thick bamboo, the lower extreme in lower perpendicular extension board middle section sets up the breach of stepping down, the entrance point of a main suction section of thick bamboo is crooked to be extended spacing collude in the breach of stepping down of perpendicular extension board, the rear side at the left and right both ends of horizontal extension board sets up a via hole respectively, the downside at the left and right both ends of perpendicular extension board sets up the side breach respectively down, the entrance point cooperation of side suction section of thick bamboo is in this side breach, and the exit end of side suction section of thick bamboo passes through the upper end switch-on of pipeline and main suction section of thick bamboo behind the via hole of horizontal extension board. Each breach on the mount pad has formed location and spacing to a suction section of thick bamboo, has made things convenient for the installation of main suction section of thick bamboo and side suction section of thick bamboo, and the cooperation of main suction section of thick bamboo behind spacing breach and the breach of stepping down, can improve the compact degree of device structure, has increased the firm degree of structure.

The inlet of the main suction cylinder is in a strip hole shape, and the length of the strip inlet is greater than the distance between opposite ends of the left auger and the right auger. The strip-shaped hole-shaped inlet is more favorable for absorbing residual powder rolled by the auger, the strip-shaped inlet with the length provides a sufficient suction section, and the main suction cylinder is ensured to efficiently absorb the residual powder.

The driving motor is arranged at the upper end of the horizontal extension plate through the support, the support facilitates the installation of the driving motor, and the driving motor, the horizontal extension plate and the support are fixed through bolts during installation.

The scraper blade is made by felt or rubber, and felt, rubber are better to the clear away effect of the residual powder that the auger was not rolled up, and the scraper blade of felt or rubber can dodge the arch that exists on the carriage bottom plate automatically moreover, has reduced the vibrations of the during operation of device.

And the side suction barrel is fixedly provided with an installation support lug which is fixedly connected with the installation seat through a bolt. The installation support lug is fixed on the side suction tube through welding, the bolt penetrates through the through hole in the installation support lug and then is fixed with the installation seat, and the side suction tube is simply fixed with the installation seat.

This clearing device of remaining powder in ore transport carriage has realized the automatic clear of remaining powder in the ore transport carriage, has improved automatic degree. The residual powder cleaning device has the advantages of good residual powder cleaning effect, high cleaning efficiency and good universality, and the transportation period is shortened. The residual powder can be quickly removed even by the freight train with a plurality of transport carriages, so that the delay time of the freight train for removing the residual powder is shortened, and great convenience is brought to ore transportation.

The invention is further described with reference to the drawings and the specific embodiments in the following description.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the left auger and the right auger in cooperation with the mounting base;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is an exploded view of FIG. 2;

FIG. 5 is an exploded schematic view of the chain drive;

FIG. 6 is a schematic view of the main suction cylinder, the side suction cylinder and the mounting seat;

FIG. 7 is a schematic view of the guide post engaging the guide sleeve of the primary suction canister;

fig. 8 is a schematic diagram of the device for removing residual powder in the ore transport carriage in cooperation with a portal frame when in use.

In the attached drawing, 1 is a mounting base, 1-1 is a horizontal extension plate, 1-2 is a lower vertical extension plate, 1-3 is a limit notch, 1-4 is an abdication notch, 1-5 is a side notch, 1-6 is a via hole, 2 is a left auger, 3 is a driving motor, 4 is a bracket, 5 is a chain transmission device, 5-1 is a driving sprocket, 5-2 is a driven sprocket, 5-3 is a chain, 6 is a protective cover, 7 is a right auger, 8 is a main suction cylinder, 8-3 is a guide sleeve, 9 is a side suction cylinder, 10 is a pipeline, 11 is a bearing seat, 12 is a rotating shaft, 13 is a helical blade, 14 is a scraping plate, 15 is a rotating shaft, 15-1 is a limit cut-flat, 16 is a guide column, 17 is a spring, 18 is a transportation carriage, 19 is a portal frame, and 19-1 is a lifting device.

Detailed Description

Referring to fig. 1 to 7, the device for removing residual powder in an ore transport carriage comprises a mounting base 1 with a horizontal extension plate 1-1 and a lower vertical extension plate 1-2, and two packing augers extending horizontally are arranged in a space between the horizontal extension plate 1-1 and the lower vertical extension plate 1-2 on one side of the mounting base 1. Wherein left auger 2, right auger 7 support respectively in the bearing frame 11 of installation on mount pad 1, and left auger 2, right auger 7 all include rotation axis 12 and helical blade 13, helical blade 13 is fixed on the circumference of rotation axis 12, and left auger 2, right auger 7's helical blade 13 revolve to opposite, left and right auger's simple structure. The opposite ends of the left auger 2 and the right auger 7 are connected with a driving motor 3 through a chain transmission device 5, and the driving motor 3 is fixedly arranged at the upper end of the horizontal extension plate 1-1 through a bracket 4. The support 4 is L-shaped, a straight arm of the L shape is fixed with the driving motor 3 through a bolt, the other straight arm is fixed with the horizontal extension plate 1-1 of the mounting base 1 through a bolt, and the driving motor 3 is convenient to mount. The chain transmission device 5 comprises a rotating shaft 15 and a chain transmission mechanism, the two ends of the rotating shaft 15 are circumferentially fixed with the opposite ends of the left packing auger 2 and the right packing auger 7 respectively, a driving chain wheel 5-1 of the chain transmission mechanism is circumferentially fixed with a motor shaft of the driving motor 3 through a key, a driven chain wheel 5-2 of the chain transmission mechanism is circumferentially fixed with the rotating shaft 15 through a key, and the driving chain wheel 5-1 is connected with the driven chain wheel 5-2 through a chain 5-3. The left and right packing augers are driven by the driving motor 3 through the rotating shaft 15, and the transmission of the chain transmission mechanism is stable and reliable. A protective cover 6 for covering the driven chain wheel 5-2 is fixedly arranged on the mounting seat 1, and the protective cover 6 protects the driven chain wheel 5-2, so that residual powder can not influence the power transmission of the chain transmission device 5, and the normal work of the chain transmission mechanism is ensured. The two ends of the rotating shaft 15 are respectively provided with a limiting cut-flat 15-1, the opposite ends of the left auger 2 and the right auger 7 are respectively provided with a limiting hole 12-1, and the rotating shaft 15 is fixed with the left auger and the right auger in the circumferential direction through the matching of the limiting cut-flat 15-1 and the limiting hole 12-1. The connection between the rotating shaft 15 and the packing auger is simple, the two ends of the rotating shaft 15 are only inserted into the limiting holes 12-1 of the left packing auger and the right packing auger, the rotating shaft 15 and the packing auger are stably and reliably fixed in the circumferential direction through the matching of the limiting cut-off 15-1 and the limiting holes 12-1.

Meanwhile, a main suction cylinder 8 is arranged in the middle section of the mounting base 1, and an inlet 8-1 of the main suction cylinder 8 corresponds to opposite ends of the left auger 2 and the right auger 7. The helical blade 13 of the auger is mainly used for rolling the residual powder during operation and conveying the residual powder to the inlet 8-1 of the main suction cylinder 8. The inlet of the main suction cylinder 8 is in a strip hole shape, the length of the strip inlet is larger than the distance between the opposite ends of the left auger 2 and the right auger 7, the strip hole-shaped inlet 8-1 is more favorable for absorbing residual powder rolled by the augers, the strip inlet 8-1 with the length provides an enough suction section, and the main suction cylinder 8 is ensured to efficiently absorb the residual powder. The left side and the right side of the main suction cylinder 8 are respectively provided with a guide sleeve 8-3 with a lower opening, the upper end of the horizontal extension plate 1-1 is symmetrically provided with two stepped shaft-shaped guide posts 16, the two guide posts 16 are respectively inserted into the left guide sleeve 8-3 and the right guide sleeve 8-3 of the main suction cylinder 8 to form guiding and limiting, and a spring 17 is arranged between the shaft shoulder of each guide post 16 and the guide sleeve 8-3. When the device meets the bulge on the bottom plate of the carriage during working, the mounting seat 1 is forced to move upwards and compress the spring 17, the main suction cylinder 8 is kept still, so that the device can give way to the bulge, the condition that the packing auger collides with the larger bulge on the bottom plate of the carriage to be damaged is prevented, the guide sleeve 8-3 is matched with the guide post 16 to have a guiding function, and the guide sleeve 8-3 is matched with the guide post 16 to limit the main suction cylinder 8. Two ends of the mounting seat 1 are respectively provided with a side suction tube 9, and each side suction tube 9 is fixed with a mounting support lug which is fixedly connected with the mounting seat 1 through a bolt. The mounting support lug is fixed on the side suction tube 9 through welding, a bolt penetrates through a bolt through hole in the mounting support lug and then is fixed with the mounting seat 1, and the side suction tube 9 and the mounting seat 1 are fixed simply. The inlet 9-1 of the left and right suction cylinders 9 is respectively positioned at the opposite ends of the left auger 2 and the right auger 7, the suction cylinders 9 at each side are respectively communicated with the outlet end of the main suction cylinder 8 through a pipeline 10, and the outlet end 8-2 of the main suction cylinder 8 is connected with the suction pipe of the vacuum pump. The rear side in horizontal extension board 1-1 middle section is equipped with spacing breach 1-3 of a spacing main suction section of thick bamboo 8, the lower extreme in lower vertical extension board 1-2 middle section sets up the breach of stepping down 1-4, the entrance point of main suction section of thick bamboo 8 is crooked forward to extend spacing collude in the breach of stepping down 1-4 of vertical extension board 1-2, the rear side at horizontal extension board 1-1 left and right both ends sets up a via hole 1-6 respectively, the downside at the left and right both ends of lower vertical extension board 1-2 sets up side breach 1-5 respectively, the entrance point cooperation of side suction section of thick bamboo 9 is in this side breach 1-5, and the exit end of side suction section of thick bamboo 9 passes behind the via hole 1-6 of horizontal extension board 1-1 and communicates through pipeline 10 with the upper end of main suction section of thick bamboo 8. The gaps on the mounting seat 1 form positioning and limiting for the suction cylinder, so that the main suction cylinder 8 and the side suction cylinder 9 can be conveniently mounted, and the main suction cylinder 8 is matched with the limiting gaps 1-3 and the abdicating gaps 1-4, so that the compactness of the structure of the device can be improved, and the firmness of the structure is increased. When the main suction cylinder 8 is assembled, the main suction cylinder 8 is firstly clamped in the limiting notch 1-3 of the horizontal extension plate 1-1, then the guide sleeve 8-3 and the guide post 16 are aligned and the main suction cylinder 8 is pressed down until the bent inlet end of the main suction cylinder 8 hooks the abdicating notch 1-4 of the lower vertical extension plate 1-2, so that the main suction cylinder 8 is fixed on the mounting seat 1, and the normal work of the spring 7 is ensured, and the device can abdicating the bulge on the bottom plate of the carriage. The lower end of the lower vertical extension plate 1-2 is fixedly provided with a scraper 14, the scraper 14 is mainly used for scraping a small amount of residual powder which is not rolled by a packing auger, and the scraper 14 is made of felt or rubber. The scraper 14 of the felt is selected in the embodiment, the felt and the rubber have better cleaning effect on residual powder which is not rolled by the auger, and the scraper 14 of the felt or the rubber can automatically avoid bulges on the bottom plate of the carriage, so that the vibration of the device during working is reduced.

When in use, as shown in fig. 8, firstly, the length of the packing auger is selected according to the width of the transport compartment 18, the packing auger is arranged on the mounting base 1, and then the outlet 8-2 at the upper end of the main suction cylinder 8 is connected with the suction pipe of the vacuum pump. The device is then fixed to the lifting device 19-1 of the gantry 19, whereby the residual powder in the transport carriage 18 can be removed by the device. In operation, the ore transport carriage 18 moves forward together with the car and passes through the portal frame 19, and when the front end of the transport carriage 18 is just below the portal frame 19, the lifting device 19-1 of the portal frame 19 is controlled to drive the cleaning device to descend until the scraper 14 of the cleaning device contacts the bottom plate of the carriage. At the moment, in order to prevent the packing auger from colliding with the bulge of the carriage bottom plate, a little gap is reserved between the left packing auger and the carriage bottom plate and between the right packing auger and the carriage bottom plate. The working driving motor 3 can drive the left packing auger 2 and the right packing auger 7 to rotate through the chain transmission device 5, residual powder on the left side and the right side of the mounting base 1 can be sucked away by the left side suction cylinder 9 and the right side suction cylinder 9 under the action of the vacuum pump, and most of the residual powder can be rolled to the middle part by the left packing auger and the right packing auger and is sucked away by the main suction cylinder 8. In the process, the lower vertical extension plate 1-2 of the mounting base 1 can block the residual powder, so that the auger is ensured to effectively drive the residual powder, and the main suction cylinder 8 can efficiently suck the residual powder. And the residual powder which is not rolled up by the auger can be scraped away by the felt scraper 4 at the lower end of the vertical extension plate 1-2 under the mounting seat 1, so that the residual powder removing effect is good. Along with the movement of the transport carriage 18, the cleaning device can relatively clean the residual powder in the transport carriage 18 from front to back until the cleaning device is cleaned to the rearmost end of the transport carriage 18, and at the moment, the lifting device 19-1 of the portal frame 19 controls the cleaning device to ascend to give way for the moving out of the transport carriage 18. And when the next transport carriage 18 starts to enter the portal frame 19, repeating the steps. Therefore, the automatic cleaning of the residual powder in the ore transport carriage 18 is realized, the automation degree is improved, and various problems caused by manual cleaning are solved. The cleaning device has good cleaning effect on residual powder, has high cleaning efficiency and shortens the time of the transportation period. The residual powder can be quickly removed even by the freight train with a plurality of transport carriages, so that the delay time of the freight train for removing the residual powder is shortened, and great convenience is brought to the transport. When the device is used for transport carriages 18 with different sizes, the packing augers with different lengths can be replaced, and the device is good in universality.