CN111392457A

CN111392457A - Dust removal equipment and dust removal method for movable distributing machine

Info

Publication number: CN111392457A
Application number: CN202010301183.6A
Authority: CN
Inventors: 汪军; 刘晓力
Original assignee: Maanshan Iron and Steel Co Ltd
Current assignee: Maanshan Iron and Steel Co Ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-07-10

Abstract

A dust removal device and a dust removal method for a movable distributing machine, which belong to the technical field of mineral aggregate transferring and dust removal, the dust removing equipment comprises a rack guide rail, a movable trolley, a feeding hopper and a sealed dust removing component, wherein one side of the feeding hopper is connected with a connecting air pipe, the upper end of the feeding hopper is connected with a touch bracket extending outwards, one side of the rack guide rail is provided with a plurality of sealed dust removing components, each sealed dust removing component comprises a movable flip cover box and a dust removing branch communicated with the movable flip cover box, and the touch bracket is movably matched with the movable flip cover box to ensure that the connecting air pipe enters the movable flip cover box and is in sealed fit with the movable flip cover box, this dust collecting equipment simple structure, occupation space are little, have realized that portable cloth machine is automatic to walk shape counterpoint and automatic dust removal operation, and the amount of wind loss in the dust removal operation is little, the required fan power of dust removal is little, has reduced the dust removal cost, has made things convenient for moreover to carry out inspection and maintenance operation to portable cloth machine.

Description

Dust removal equipment and dust removal method for movable distributing machine

Technical Field

The invention relates to the technical field of mineral aggregate transferring and dedusting, in particular to dedusting equipment and a dedusting method for a movable distributing machine.

Background

In the fields of ore material transportation required by metallurgical mines, metal smelting and the like, the adopted transportation equipment is usually a movable distributing machine, the movable distributing machine is used for unloading materials on a feeding belt conveyor in a specified storage bin in a material conveying system, and the movable distributing machine is easy to cause dust raising in the unloading process, so that the environment pollution is caused. In order to reduce the damage of dust to the environment, the surrounding environment of the movable distributing machine needs to be dedusted.

In the mobile multipoint operation of the mobile material distributor, the dust collection operation is mainly carried out by using the mobile ventilation slot at present, namely, a long box-type ventilation slot is arranged in the moving path range of the mobile material distributor, one side of the box-type ventilation slot is connected to the dust removal equipment through a pipeline, the other side of the box-type ventilation slot is provided with an open slot, and an air suction opening of the mobile material distributor is movably connected into the open slot through an air suction pipe. The disadvantages of this dedusting method are:

1. because the box-type ventilation groove is a long-distance and continuous whole body, the sealing measure of the box-type ventilation groove is large in engineering quantity, and an open groove is formed in one side of the box-type ventilation groove, the air quantity loss is serious, so that the fan power required by the dust removing equipment is large, and the dust removing cost is high; 2. because this box ventilation groove sets up and be continuous overall structure along portable cloth machine's removal route, this structure has taken very big space, and in order to guarantee dust removal effect, box ventilation groove is less with removal production operation equipment interval moreover, and can influence personnel like this and carry out equipment inspection and maintenance.

Disclosure of Invention

In order to solve the technical problems, the invention provides the dust removal equipment for the movable distributing machine, so that the movable distributing machine can perform multi-point dust removal operation while distributing materials at multiple points, the dust removal equipment is simple in structure, small in occupied space, small in air volume loss and small in fan power required by dust removal, dust removal cost is reduced, automatic shape-moving and alignment dust removal operation of the movable distributing machine is realized, and inspection and maintenance operation of the movable distributing machine are facilitated.

In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: dust collecting equipment for portable distributing machine, including frame guide rail, travelling car, throw the material hopper and sealed dust removal part, sliding connection on the frame guide rail the travelling car, the travelling car is last to be fixed throw the material hopper, the one side of throwing the material hopper is connected with the connecting air pipe, the upper end of throwing the material hopper is connected the support that touches that stretches out to the outside, be provided with a sealed dust removal part on every cloth station of frame guide rail one side respectively, sealed dust removal part includes movable flip case and the dust removal branch road that communicates with each other with it, touch the support with movable flip case removal cooperation makes the connecting air pipe gets into in the movable flip incasement and with it sealed cooperation.

Further, activity flip case is including fixed box and dodge gate, fixed box is close to one side of frame guide rail sets up the open end, the open end with it is sealed continuous to connect the tuber pipe, the both sides of fixed box through the activity reset switch with the dodge gate is sealed continuous, fixed box is kept away from one side of frame guide rail is connected the branch road that removes dust, bump the support with the activity reset switch removes the cooperation and makes the dodge gate execution is opened and close the action.

Furthermore, the end part of the connecting air pipe is provided with a sealing plate with an opening in the middle, and a sealing ring is clamped on the periphery of the sealing plate and is in sealing fit with the opening end through the sealing ring.

Further, the top of fixed box sets up activity reset switch, activity reset switch includes fixing base, dwang and limiting plate, the fixing base is fixed the top of fixed box, the fixing base pass through the bearing with the dwang links to each other, it is fixed on the dwang the limiting plate, the both ends of limiting plate are passed through the stay cord and are linked to each other with the top stationary phase of two dodge gates, the top of dwang with touch the support and contradict the cooperation.

Further, the top of dwang is provided with the horizon bar, touch the support including setting up respectively the pole that touches at both ends around the feeding hopper, touch the feeler lever with the equal altitude setting of horizon bar, two distances of touching between the feeler lever are greater than the width of fixed box.

Further, the limiting plate sets up to the lath, the horizon bar with the limiting plate collineation just the length of horizon bar is less than the length of limiting plate.

Furthermore, a plurality of dust removal branch road links to each other with the main pipeline that removes dust after gathering, be provided with the electric switch valve on the dust removal branch road, the top of fixed box is close to one side of dodge gate sets up contact sensor, contact sensor's push rod with the tip contact extrusion fit of limiting plate is in order to detect the opening action of dodge gate, contact sensor pass through dust removal controller with the electric switch valve links to each other.

Furthermore, the top of dodge gate is connected with L shape joint, L shape joint with the top both sides joint cooperation of fixed box, L shape joint the tip with be connected between the limiting plate the stay cord.

The dust removal method of the movable distributing machine, which applies the dust removal equipment, comprises the following steps:

1) connecting an air pipe into the movable flip box: in the process of carrying out multi-point distribution by driving the feeding hopper to move on the rack guide rail by the movable trolley, a touch rod at the front end of the feeding hopper touches the horizontal rod to enable the horizontal rod and the limiting plate to rotate simultaneously, the movable door is driven to open under the action of the pull rope, and the movable trolley continues to move to enable the connecting air pipe to enter the movable flip box;

2) and (3) performing dust removal action after the connection air pipe is aligned: when a touch rod at the front end of the feeding hopper is separated from the horizontal rod, one end of the limiting plate is in contact extrusion fit with a push rod of the contact sensor, so that the contact sensor outputs an electric signal and transmits the electric signal to the dust removal controller, the dust removal controller controls the corresponding electric switch valve to be opened, negative pressure dust removal action is carried out on the upper part of the feeding hopper, and meanwhile, the feeding hopper carries out unloading and distributing operation at the position;

3) connecting the air pipe to leave the movable flip box: when the material needs to be distributed at the next station, the movable trolley drives the feeding hopper to continuously move on the rack guide rail, a touch rod at the rear end of the feeding hopper touches the horizontal rod to enable the horizontal rod and the limiting plate to simultaneously rotate, and the movable door is pulled to open under the action of the pull rope, so that the connecting air pipe leaves the movable flip box;

4) stopping the dust removal operation: when the touch rod at the rear end of the feeding hopper is separated from the horizontal rod, one end of the limiting plate is in contact extrusion fit with the push rod of the contact sensor to enable the contact sensor to output an electric signal and transmit the electric signal to the dust removal controller, and the dust removal controller controls the corresponding electric switch valve to be closed, so that dust removal operation is stopped and then enters the next station.

The invention has the beneficial effects that:

1. according to the invention, the sealed dust removal component is independently arranged at each distribution station of the movable distributor, a distance is reserved between the sealed dust removal components, the feeding hopper of the movable distributor is provided with the touch support which extends outwards, the movable cover turnover box of the sealed dust removal component is movably matched with the touch support to enable the connecting air pipe connected with the feeding hopper to enter the movable cover turnover box, so that the movable distributor can be communicated with the sealed dust removal component and perform dust removal operation when passing through each distribution station, and the movable distributor can perform multi-point dust removal operation while performing multi-point distribution.

2. Specifically, the movable flip box comprises a fixed box body and a movable door, one side of the fixed box body, which is close to a rack guide rail, is provided with an open end, the open end is connected with a connecting air pipe in a sealing way, two sides of the fixed box body are connected with the movable door in a sealing way through a movable reset switch, the top end of the fixed box body is provided with the movable reset switch, the movable reset switch comprises a fixed seat, a rotating rod and a limiting plate, the rotating rod is rotatably connected onto the fixed box body through the fixed seat, the limiting plate is fixed on the rotating rod, a touch bracket is composed of touch rods at the front end and the rear end of a feeding hopper, when the movable trolley moves, the touch rod at the front end of the feeding hopper collides with the rotating rod to enable the rotating rod and the limiting plate to rotate simultaneously, the limiting plate rotates to pull the pull rope, make the dodge gate reset and close, make fixed box and connecting air pipe form one end open-ended seal space, dust removal effect and dust collection efficiency have been improved, equally, when throwing the pole that touches of material hopper rear end and collide the dwang, the dodge gate is automatic to be opened, after should touching the pole and leave fixed box, the dodge gate self-closing, the automatic shape of walking of portable cloth machine is counterpointed, and the opening and closing of the dodge gate of activity flip case both sides is the control of mechanical type, the structure is simpler, the cost is lower, it is more convenient to maintain.

3. Specifically, wherein dust removal is set up the electric switch valve on the branch road, one side that the top of fixed box is close to the dodge gate sets up contact sensor, contact sensor's push rod and the tip contact extrusion fit of limiting plate are in order to detect the action of opening of dodge gate, contact sensor output position signal gives dust removal controller, the start and close of dust removal controller control electric switch valve, thereby realize the automatic dust removal operation after portable cloth machine and sealed dust removal part counterpoint, automatic stop dust removal operation after portable cloth machine leaves sealed dust removal part, the automation operation of dust removal has been realized, the dust removal cost is further reduced.

In conclusion, the dust removal equipment provided by the invention has the advantages that the structure is simple, the occupied space is small, the multipoint dust removal operation of the movable material distributor is realized while multipoint material distribution is realized, the automatic shape walking alignment and the automatic dust removal operation of the movable material distributor are realized, the air quantity loss in the dust removal operation is small, the fan power required by dust removal is small, the dust removal cost is reduced, and the inspection and maintenance operation of the movable material distributor is facilitated.

Drawings

The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:

FIG. 1 is a plan view of a dust removing apparatus according to the present invention;

FIG. 2 is a front view of the connecting duct of the present invention entering the sealed dust removing unit;

FIG. 3 is a front view of the sealing dust-removing member of the present invention with the movable door closed;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a front view of the sealing dust-removing member of the present invention with the shutter open;

FIG. 6 is a top view of FIG. 5;

the marks in the figures are 1, a rack guide rail, 2, a movable trolley, 3, a feeding hopper, 4, a sealed dust removal component, 41, a movable cover turning box, 411, a fixed box body, 412, a movable door, 413, an L-shaped clamping joint, 42, a dust removal branch, 43, a movable reset switch, 431, a fixed seat, 432, a rotating rod, 433, a limiting plate, 434, a pull rope, 5, a connecting air pipe, 51, a sealing plate, 52, a sealing ring, 6, a touch support, 61, a touch rod, 7, an electric switch valve and 8, a contact sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific implementation scheme of the invention is as follows: as shown in fig. 1 and fig. 2, a dust removing device for a movable material distributor comprises a rack guide rail 1, a movable trolley 2, a feeding hopper 3 and a sealed dust removing component 4, wherein the rack guide rail 1 is connected with the movable trolley 2 in a sliding manner, the feeding hopper 3 is fixed on the movable trolley 2, one side of the feeding hopper 3 is connected with a connecting air pipe 5, the upper end of the feeding hopper 3 is connected with a touch bracket 6 extending outwards, the sealed dust removing component 4 is arranged at the position of a material distributing station at one side of the rack guide rail 1, the sealed dust removing component 4 is provided with a plurality of parts at intervals, the sealed dust removing component 4 comprises a movable flip box 41 and dust removing branches 42 communicated with the movable flip box, the touch bracket 6 is movably matched with the movable flip box 41 to open the movable flip box 41 so that the connecting air pipe 5 enters the movable flip box 41, the movable flip box 41 is closed after the connecting air pipe 5 enters the movable flip box 41 to realize the sealed matching with the connecting air pipe, so that the dust removing operation is performed. This equipment makes travelling car 2 when every cloth station, connecting air duct 5 all can communicate with each other and carry out the dust removal operation with the activity flip case 41 that corresponds, make portable cloth machine carry out the multiple spot dust removal operation in the multiple spot cloth, this sealed dust removal part 4 simple structure, the interval sets up makes occupation space little, the loss of air volume is little, the required fan power of dust removal is little, the dust removal cost is reduced, and the workman can stand the position between adjacent sealed dust removal part 4 and inspect and maintain the operation to portable cloth machine, made things convenient for and inspected and maintained the operation to portable cloth machine.

Specifically, as shown in fig. 3 to 6, the movable flip box 41 includes a fixed box 411 and a movable door 412, an open end is disposed on one side of the fixed box 411 close to the rack guide rail 1, and the open end is connected with the connecting air duct 5 in a sealing manner, specifically, as shown in fig. 2, a sealing plate 51 with an opening in the middle is disposed at the end of the connecting air duct 5, a sealing ring 52 is clamped on the periphery of the sealing plate 51 and is in sealing fit with the open end through the sealing ring 52, of course, sealing strips may be disposed on the upper and lower sides of the open end, and sealing alignment between the connecting air duct 5 and the fixed box 411 may also be achieved, so as to reduce air volume; one side that frame guide rail 1 was kept away from to fixed box 411 is connected dust removal branch road 42, and a plurality of dust removal branch roads 42 link to each other with the main pipeline that removes dust after collecing, and the main pipeline that removes dust links to each other with dust exhausting fan, and dust exhausting fan work makes the wind suction in the dust removal branch road 42 of the cloth station department that needs the dust removal throw the top of hopper 3, makes and throws the hopper 3 top and produce the negative pressure, prevents the raise dust, has realized the dust removal operation.

Specifically, as shown in fig. 3 to 6, two sides of the fixed box 411 are opened, the two side openings are hermetically connected with the movable door 412 through the movable reset switch 43, the touch bracket 6 is movably matched with the movable reset switch 43 to enable the movable door 412 to perform opening and closing actions, the movable reset switch 43 is arranged at the top end of the fixed box 411, the movable reset switch 43 comprises a fixed seat 431, a rotating rod 432 and a limiting plate 433, the fixed seat 431 is fixed at the top end of the fixed box 411, the fixed seat 431 is connected with the rotating rod 432 through a bearing, the fixed seat 431 plays a role in guiding and positioning, the rotating rod 432 is enabled to flexibly rotate, and the rotating rod 432 is prevented from being skewed when rotating; fixed limiting plate 433 on dwang 432, the both ends of limiting plate 433 are passed through the top stationary phase of stay cord 434 with two dodge gates 412 and are even, the top of dwang 432 is provided with the horizon bar, limiting plate 433 sets up to the bar board, touch support 6 including setting up respectively the pole 61 that touches at both ends around throwing material hopper 3, two distances of bumping between the pole 61 are greater than the width of fixed box 411, make dodge gate 412 of fixed box 411 both sides can seal and close, sealed dust removal effect has been guaranteed, bump pole 61 and pass through support welded fastening on throwing material hopper 3, bump pole 61 and frame guide rail 1 and parallel. In a non-working state, the limit plate 433 is perpendicular to the touch rod 61, since the touch rod 61 and the horizontal rod are arranged at the same height, when the moving trolley 2 moves, the touch rod 61 at the front end of the feeding hopper 3 abuts against the horizontal rod to rotate the horizontal rod clockwise or counterclockwise, the horizontal rod rotates to drive the limit plate 433 to rotate, the limit plate 433 pulls the pull rope 434 and pulls the top end of the movable door 412 to open the movable door 412, when the limit plate 433 rotates to be parallel to the touch rod 61, the limit plate 433 is separated from the touch rod 61, so that the limit plate 433 is separated from the touch rod 61, at this time, the rotating rod 432 is reversely rotated and reset under the action of the pull rope 434 to close the movable door 412, similarly, when the touch rod 61 at the rear end of the feeding hopper 3 collides with the rotating rod 432, the movable door 412 automatically opens until the touch rod 61 leaves the fixed box 411, the movable door 412 automatically closes, the touch cooperation between the touch rod 61 and the limiting plate 433 realizes the opening and closing of the movable door 412, the automatic shape-walking alignment of the movable material distributor is realized, and the opening and closing of the movable doors 412 on the two sides of the movable flip box 41 are controlled mechanically, so that the structure is simpler, the cost is lower, and the maintenance is more convenient.

Specifically, as shown in fig. 1, an electric switch valve 7 is disposed on each dust removing branch 42, a contact sensor 8 is disposed on one side of the top end of the fixed box 411 close to the movable door 412, wherein the horizontal rod is collinear with the limiting plate 433, so that the horizontal rod and the limiting plate 433 rotate at the same angle, and the length of the horizontal rod is smaller than that of the limiting plate 433, the limiting plate 433 not only has an effect of generating a position signal when touching the contact sensor 8, but also has an effect of preventing the movable door 412 from being opened too much, so as to limit and stop the movable door 412. The contact sensor 8 can be set as a travel switch, when a touch rod 61 at the front end of the feeding hopper 3 contacts with the horizontal rod, the horizontal rod is rotated, and simultaneously the limit plate 433 is rotated, when the limit plate 433 rotates to be horizontal to the touch rod 61, the end part of the limit plate 433 contacts with a push rod of the travel switch in a press fit manner, a contact in the travel switch is contacted to output an electric signal to detect the opening action of the movable door 412, the electric signal output by the contact sensor 8 is transmitted to a dust removal controller, the dust removal controller comprises a processing unit such as a single chip microcomputer, the dust removal controller receives a position signal and controls the electric switch valve 7 to be opened, so as to realize the dust removal operation of a corresponding material distribution station, similarly, when the touch rod 61 at the rear end of the feeding hopper 3 collides with the rotating rod 432 to rotate the rotating rod 432 and the limit plate 433, when the limit plate 433 rotates to be horizontal to the touch rod 61 again, the, meanwhile, the end of the limit plate 433 is in contact and press fit with the push rod of the travel switch, so that the contact in the travel switch is contacted to output an electric signal to detect the reopening action of the movable door 412, and the electric switch valve 7 is closed under the control of the dust removal controller, so that the dust removal operation is stopped.

In addition, as shown in fig. 3 and 5, the top of the movable door 412 is connected with an L-shaped clamping head 413, the L-shaped clamping head 413 is in clamping fit with two sides of the top end of the fixed box 411, sealing fit between the movable door 412 and the fixed box 411 is improved, and a pull rope 434 is connected between the end of the L-shaped clamping head 413 and the limiting plate 433, so that the pull rope 434 is fixed more conveniently and firmly.

The method for removing dust of the mobile material distributor by using the dust removing equipment comprises the following steps:

1) the connecting air pipe 5 enters the movable flip box 41: in the process that the movable trolley 2 drives the feeding hopper 3 to move on the rack guide rail 1 to perform multi-point distribution, the touch rod 61 at the front end of the feeding hopper 3 touches the horizontal rod to enable the horizontal rod and the limiting plate 433 to rotate simultaneously, the movable door 412 is pulled to be opened under the action of the pull rope 434, and the movable trolley 2 continues to move to enable the connecting air pipe 5 to enter the movable flip cover box 41;

2) and (3) performing dust removal after the aligning of the connecting air pipe 5: when the touch rod 61 at the front end of the feeding hopper 3 is separated from the horizontal rod, one end of the limiting plate 433 is in contact and extrusion fit with the push rod of the contact sensor 8, so that the contact sensor 8 outputs an electric signal and transmits the electric signal to the dust removal controller, the dust removal controller controls the corresponding electric switch valve 7 to be opened, negative pressure dust removal is performed on the upper part of the feeding hopper 3, and meanwhile, the feeding hopper 3 performs discharging and distributing operations at the position;

3) connecting the air pipe 5 to leave the movable flip box 41: when the material needs to be distributed at the next station, the moving trolley 2 drives the feeding hopper 3 to continuously move on the rack guide rail 1, the touch rod 61 at the rear end of the feeding hopper 3 touches the horizontal rod to enable the horizontal rod and the limiting plate 433 to rotate simultaneously, and the movable door 412 is pulled to be opened under the action of the pull rope 434, so that the connecting air pipe 5 leaves the movable flip-top box 41;

4) stopping the dust removal operation: when the touching pole 61 of throwing material hopper 3 rear end breaks away from the horizontal pole, at this moment, touch pole 61 will leave fixed box 411, and the one end of limiting plate 433 makes contact sensor 8 output signal of telecommunication and transmits for the dust removal controller with contact sensor 8's push rod contact extrusion fit, and the electric switch valve 7 that the dust removal controller control corresponds closes, gets into next station after making the dust removal operation stop.

While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. A dust removal device for a movable distributing machine is characterized by comprising a rack guide rail (1), a movable trolley (2), a feeding hopper (3) and a sealed dust removal component (4), the rack guide rail (1) is connected with the movable trolley (2) in a sliding way, the feeding hopper (3) is fixed on the movable trolley (2), one side of the feeding hopper (3) is connected with a connecting air pipe (5), the upper end of the feeding hopper (3) is connected with a contact bracket (6) extending outwards, each cloth station at one side of the rack guide rail (1) is respectively provided with a sealed dust removal component (4), the sealed dust removal component (4) comprises a movable flip box (41) and a dust removal branch (42) communicated with the movable flip box, the touch support (6) is movably matched with the movable flip box (41) to enable the connecting air pipe (5) to enter the movable flip box (41) and be in sealing fit with the movable flip box.

2. The dust removing apparatus for a mobile cloth machine according to claim 1, wherein: activity flip case (41) are including fixed box (411) and dodge gate (412), fixed box (411) are close to one side of frame guide rail (1) sets up the open end, the open end with connecting air pipe (5) are sealed to link to each other, the both sides of fixed box (411) through activity reset switch (43) with dodge gate (412) are sealed to link to each other, fixed box (411) are kept away from one side of frame guide rail (1) is connected dust removal branch road (42), bump touch support (6) with activity reset switch (43) remove the cooperation and make dodge gate (412) execution is opened and close the action.

3. The dust removing apparatus for a mobile cloth machine according to claim 2, wherein: the end part of the connecting air pipe (5) is provided with a sealing plate (51) with an opening in the middle, and a sealing ring (52) is clamped on the periphery of the sealing plate (51) and is in sealing fit with the opening end through the sealing ring (52).

4. The dust removing apparatus for a mobile cloth machine according to claim 2, wherein: the top of fixed box (411) sets up activity reset switch (43), activity reset switch (43) include fixing base (431), dwang (432) and limiting plate (433), fixing base (431) are fixed the top of fixed box (411), fixing base (431) pass through the bearing with dwang (432) link to each other, dwang (432) are gone up fixedly limiting plate (433), the top stationary phase that stay cord (434) and two dodge gates (412) are passed through at the both ends of limiting plate (433) links to each other, the top of dwang (432) with touch support (6) conflict cooperation.

5. The dust removing apparatus for a mobile cloth machine according to claim 4, wherein: the top of dwang (432) is provided with the horizon bar, touch support (6) including setting up respectively throw about material hopper (3) touch pole (61) at both ends, touch pole (61) with the equal altitude setting of horizon bar, the distance between two touch poles (61) is greater than the width of fixed box (411).

6. The dust removing apparatus for a mobile cloth machine according to claim 5, wherein: the limiting plates (433) are arranged to be strip-shaped plates, the horizontal rods are collinear with the limiting plates (433), and the lengths of the horizontal rods are smaller than the lengths of the limiting plates (433).

7. The dust removing device for the mobile cloth machine according to any one of claims 4 to 6, characterized in that: it is a plurality of dust removal branch road (42) link to each other with the main pipeline that removes dust after collecing, be provided with electric switch valve (7) on dust removal branch road (42), the top of fixed box (411) is close to one side of dodge gate (412) sets up contact sensor (8), the push rod of contact sensor (8) with the tip contact extrusion fit of limiting plate (433) is in order to detect the action of opening of dodge gate (412), contact sensor (8) through the dust removal controller with electric switch valve (7) link to each other.

8. The dust removing device for the movable distributing machine according to claim 7, wherein the top of the movable door (412) is connected with L-shaped clamping joints (413), the L-shaped clamping joints (413) are clamped and matched with two sides of the top end of the fixed box body (411), and the pull rope (434) is connected between the end of the L-shaped clamping joint (413) and the limiting plate (433).

9. A dust removal method of a mobile material distributor, which applies the dust removal equipment as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:

1) connecting an air pipe (5) into a movable flip box (41): in the process that the movable trolley (2) drives the feeding hopper (3) to move on the rack guide rail (1) to carry out multi-point distribution, a touch rod (61) at the front end of the feeding hopper (3) touches the horizontal rod to enable the horizontal rod and the limiting plate (433) to rotate simultaneously, the movable door (412) is pulled to be opened under the action of the pull rope (434), and the movable trolley (2) continues to move to enable the connecting air pipe (5) to enter the movable flip box (41);

2) and (3) performing dust removal action after the connection air pipe (5) is aligned: when a touch rod (61) at the front end of the feeding hopper (3) is separated from the horizontal rod, one end of a limiting plate (433) is in contact and extrusion fit with a push rod of a contact sensor (8) to enable the contact sensor (8) to output an electric signal and transmit the electric signal to a dust removal controller, the dust removal controller controls a corresponding electric switch valve (7) to be opened, negative pressure dust removal is carried out on the upper portion of the feeding hopper (3), and meanwhile, the feeding hopper (3) carries out unloading and distributing operations at the position;

3) connecting the air pipe (5) to leave the movable flip box (41): when the material needs to be distributed at the next station, the movable trolley (2) drives the feeding hopper (3) to continuously move on the rack guide rail (1), a touch rod (61) at the rear end of the feeding hopper (3) touches the horizontal rod to enable the horizontal rod and the limiting plate (433) to rotate simultaneously, and the movable door (412) is pulled to open under the action of the pull rope (434), so that the connecting air pipe (5) leaves the movable flip box (41);

4) stopping the dust removal operation: when a touch rod (61) at the rear end of the feeding hopper (3) is separated from the horizontal rod, one end of a limiting plate (433) is in contact extrusion fit with a push rod of a contact sensor (8) to enable the contact sensor (8) to output an electric signal and transmit the electric signal to a dust removal controller, and the dust removal controller controls a corresponding electric switch valve (7) to be closed, so that dust removal operation is stopped and then enters the next station.