CN214652150U

CN214652150U - Metering dust suppression device for grain loading

Info

Publication number: CN214652150U
Application number: CN202023287509.9U
Authority: CN
Inventors: 任守华; 兰晓东; 王斌兴; 邓小易; 徐川川; 陈英全; 张晗; 戴志平; 唐贞; 李文浩; 刘涛
Original assignee: Dongguan Shenzhen Chiwan Port Affairs Co ltd; Cofco Engineering Maosheng Equipment Henan Co ltd
Current assignee: Dongguan Shenzhen Chiwan Port Affairs Co ltd; Cofco Engineering Maosheng Equipment Henan Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-09
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a grain loading is with measurement dust suppression device, the discharge gate of granary passes through pipeline and metering device's feed inlet intercommunication, be provided with manual gate on the discharge gate of granary, metering device is called for the chute, metering device's discharge gate passes through the feed inlet of pipe connection dust suppression device, metering device and dust suppression device fixed connection are on supporting platform, the supporting platform below is grain transportation vehicle's loading position, the discharge gate of dust suppression device lower extreme corresponds with grain transportation vehicle's loading position, and be provided with pneumatic gate on dust suppression device's the discharge gate. The utility model discloses an utilize metering device to weigh the weight of the grain of loading, reduce and appear adorning the less condition of super dress, avoid the vehicle to come and go the trouble of weighing, reduce machinery and artificial use cost, improve the whole loading efficiency of silo, dust collector can reduce the excessive condition of dust of loading in-process, reduces the raise dust, avoids workplace's dust to fill, provides good operational environment for the operation workman.

Description

Metering dust suppression device for grain loading

The technical field is as follows:

the utility model belongs to the technical field of the grain transportation equipment, concretely relates to measurement dust suppression device that uses during grain delivery loading in granary.

Background art:

at present, in the grain transportation process, in the process of taking grains out of a warehouse and loading the grains on a transport vehicle from places such as a wharf, a granary and the like, the bulk grains mainly fall from a ship or the granary onto the transport vehicle in a self-flowing mode through the silo, in the process, dust and light and fine impurities in grain materials can be scattered into the air and are sheared with the air in the falling process of the grain materials, high-speed airflow extruded by the grain materials can carry the dust and the light and fine impurities to drift around, a large amount of dust is diffused into the surrounding environment, and the dust particles are small, the weight is light, the settling speed is slow, so that the dust diffusion phenomenon is kept in the grain loading and transporting place for a long time, the damage is caused to the health of a loading worker, and the atmospheric environment is polluted.

In addition, when bulk grains slide down onto a transport vehicle from a ship or a grain bin in a silo self-flowing mode, the flow cannot be measured, so that the weight of the grains after loading cannot be measured, the phenomenon of over-loading or under-loading often occurs, the transport vehicle often passes through the pound repeatedly, the loading efficiency is low, and the loading cost is high.

The invention content is as follows:

to sum up, in order to overcome prior art problem not enough, the utility model provides a grain loading is with measurement dust suppression device, it is installation metering device and dust collector on granary grain outlet, utilize metering device to weigh the weight of the grain of loading, the condition that the reduction appearance dress is taken over and is adorned less, avoid the vehicle to come and go the trouble of weighing, reduce machinery and artificial use cost, improve the whole loading efficiency of silo, dust collector can reduce the excessive condition of dust of loading in-process, reduce the raise dust, it is diffuse to avoid the dust of workplace, provide good operational environment for the operation workman.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a grain loading is with measurement dust suppression device, wherein: the device comprises a granary, a supporting platform, a manual gate, a metering device and a dust suppression device, wherein a discharge port of the granary is communicated with a feed port of the metering device through a pipeline, the manual gate is arranged on the discharge port of the granary, the discharge port of the metering device is connected with the feed port of the dust suppression device through a pipeline, the metering device and the dust suppression device are fixedly connected onto the supporting platform, a loading position of a grain transfer vehicle is arranged below the supporting platform, a discharge port at the lower end of the dust suppression device corresponds to the loading position of the grain transfer vehicle, and a discharge port of the dust suppression device is provided with a pneumatic gate.

Further, a pneumatic flow valve is arranged on a connecting pipeline between the discharge hole of the granary and the feed inlet of the metering device, and the pneumatic flow valve is positioned between a manual gate on the discharge hole of the granary and the feed inlet of the metering device.

Furthermore, a material level indicator is arranged on a connecting pipeline between the discharge hole of the metering device and the feed inlet of the dust suppression device.

Further, metering device be the chute balance, including measurement casing, feed inlet, discharge gate, weighing sensor, vertical water conservancy diversion passageway and arc measurement chute, the lower extreme of measurement casing pass through landing leg and supporting platform fixed connection, the upper end of measurement casing be provided with the feed inlet, the lower extreme of measurement casing is provided with the discharge gate, is provided with vertical water conservancy diversion passageway and arc measurement chute in the measurement casing of saying, the upper end and the feed inlet intercommunication of vertical water conservancy diversion passageway, the lower extreme of vertical water conservancy diversion passageway is connected with the upper end of arc measurement chute, the arc measurement chute the lower extreme and the discharge gate intercommunication, the arc measurement chute the bow back be connected with weighing sensor's sense terminal.

Further, the vertical guide channel comprises a vertical guide plate and a guide adjusting plate, the vertical guide plate is vertically arranged in the metering shell, the upper end of the vertical guide plate is fixedly connected with a top plate of the metering shell on one side of the feed inlet, the lower end of the vertical guide plate is fixedly connected with a cross beam arranged in the middle of the metering shell, a long through hole transversely arranged along the metering shell is formed in a side plate of the metering shell, the guide adjusting plate is fixedly connected with the metering shell through a bolt penetrating in the long through hole, the upper end of the guide adjusting plate is positioned on the other side of the feed inlet, the vertical guide channel is formed between the guide adjusting plate and the vertical guide plate, the position of the bolt connecting the guide adjusting plate and the metering shell in the long through hole is adjusted, the transverse position adjustment of the guide adjusting plate in the metering shell can be realized, and the width of the vertical guide channel is adjusted.

Further, the arc measure the chute include arc guide plate, slope baffle and connecting axle, arc guide plate's upper end and the crossbeam fixed connection who sets up at measurement casing middle part, arc guide plate's lower extreme is connected with the side of discharge gate, the measurement casing of water conservancy diversion regulating plate below in be provided with the connecting axle, connecting axle and measurement casing rotate relatively and be connected, the axis of connecting axle and the coaxial arrangement in the centre of a circle of arc guide plate, the slope baffle connect on the connecting axle, and the upper end of slope baffle and the lower extreme contact of water conservancy diversion regulating plate, slope baffle and arc guide plate between form the arc and measure the chute.

Further, the dust suppression device comprises an outer cylinder body, an inner cone cylinder, a feeding hole and a discharging hole, the outer cylinder body is of a cylindrical structure, the lower end of the dust collecting box is provided with a funnel-shaped discharge hole, the upper end of the dust collecting box is provided with a dust cover, the side of the dust collecting box is provided with a feed hole, an inner cone cylinder is suspended on the dust cover and is arranged in the outer cylinder body, the inner cone cylinder is coaxial with the outer cylinder body, the inner cone cylinder corresponds to the feed inlet, the dust cover comprises a cover plate and a sleeve, the cover plate is covered on the upper end of the outer cylinder body, the sleeve is positioned in the middle of the cover plate, the inner cone cylinder comprises a straight pipe section and a conical pipe section which are integrally structured, the straight pipe section of the inner cone cylinder is penetrated in the sleeve, and the straight tube section of the inner cone cylinder can move up and down relative to the sleeve, and an adjusting mechanism is arranged in the inner cone cylinder and drives the straight tube section of the inner cone cylinder to move relative to the sleeve.

Furthermore, the adjusting mechanism comprises a screw rod which is arranged in the inner cone cylinder in a penetrating mode and is fixedly connected with the lower end of the inner cone cylinder, the upper portion of the screw rod is fixedly connected with the upper end of the inner cone cylinder through a nut, and the upper end of the screw rod penetrates through the sleeve and is fixedly connected with the upper end of the sleeve through an adjusting nut.

Further, the cover plate is provided with a waterproof cover, and the waterproof cover is covered on the sleeve.

The utility model has the advantages that:

1. the utility model discloses an installation metering device and dust collector on granary grain outlet utilize metering device to weigh the weight of the grain of loading, reduce the condition that the dress is taken over and adorned less, avoid the vehicle to come and go the trouble of weighing, reduce machinery and artificial use cost, improve the whole loading efficiency of silo, dust collector can reduce the excessive condition of dust of loading in-process, reduce the raise dust, avoid the dust in workplace to diffuse, provide good operational environment for the operation workman.

2. The utility model discloses a set up pneumatic flow valve between manual gate and the metering device, be provided with the material level ware on metering device and the connecting tube between the dust suppression device, the material level ware is for hindering rotary material level controller, utilizes the material level ware to detect and gets into the interior material level of pipeline between the dust suppression device from metering device, and when putty phenomenon or other emergency took place for the pipeline, the signal of material level ware gives the feedback, and the accessible was adjusted pneumatic flow valve's aperture this moment or was closed and come the control flow.

3. The utility model discloses a metering device adopts the chute balance, and the grain material that gets into from its feed inlet gets into the arc after vertical water conservancy diversion passageway guide and measures the chute, produces centrifugal force, this centrifugal force of weighing sensor perception, according to centrifugal force F = m v²The mass flow m = F r/v of the grain flowing through the arc measuring chute can be calculated²And the accurate measurement is flowed through the mass flow of the grain material of arc measurement chute to in addition, when the grain material flows through the arc measurement chute, its movement track rotates for the arc, and centrifugal force uses the radius of arc measurement chute to produce the moment of torsion as the arm of force for the centre of a circle is the stress point, and the directional centre of a circle of resultant force direction of the frictional force of grain production when the last slip of arc measurement chute, the moment of torsion that frictional force produced promptly is zero, consequently, the utility model discloses a metering device can the effectual influence of eliminating frictional force.

4. The utility model discloses a vertical water conservancy diversion passageway comprises vertical stock guide and water conservancy diversion regulating plate, and the water conservancy diversion regulating plate can be in the measuring casing lateral shifting, realizes that the width of vertical water conservancy diversion passageway is adjustable, thereby makes the utility model discloses a metering device can design the regulation of flow size according to the particle size and the characteristics of the grain of carrying.

5. The utility model discloses a dust suppression device's interior cone is coaxial with outer barrel, and interior cone corresponds with the feed inlet, then, and the grain material in bulk who falls from granary or ship on gets into from the feed inlet, receives the reposition of redundant personnel effect that blocks of interior cone, and grain falling speed descends, can effectually prevent that dust and light fine impurity in the grain material in bulk from because of the dust that high-speed flow caused the diffuse phenomenon, can play fine dust suppression effect, simultaneously, the utility model discloses an upper end of outer barrel sets up the shield, even there is a small amount of dust to fly upward in the grain material whereabouts in bulk process, receives the effect of blockking of shield, and the dust and the light fine impurity that fly upward also can not spread to the atmosphere in, avoid environmental pollution, avoid the dust in workplace to diffuse, provide good operational environment for the operation workman.

6. The inner cone of the dust suppression device of the utility model comprises a straight pipe section and a conical pipe section which are of an integral structure, the lower end of the outer cylinder body of the dust suppression device is provided with a funnel-shaped feed opening, the conical pipe section is matched with the funnel-shaped feed opening, so that the clearance between the inner cone and the outer cylinder body is smaller and smaller when going down, after the bulk grain material enters from the feed inlet, the bulk grain material falls along the gap between the inner cone cylinder and the outer cylinder body, because the gap is smaller when the inner cone barrel moves downwards, the grains rotate and fall along the gap between the inner cone barrel and the outer barrel to play a natural stirring role, and the gap is small, the bulk grain material flow is squeezed, air in the grain materials is discharged, the grain material flow forms a compact material flow column, gaps among grain particles are reduced, impact among the grain particles is reduced, and raised dust is reduced, so that the pollution to the environment is reduced, and the personal injury of workers for loading and transporting due to dust diffusion is reduced.

7. The utility model discloses a set up adjustment mechanism in dust suppression device's the interior awl section of thick bamboo, can reciprocate interior awl section of thick bamboo through adjustment mechanism, interior awl section of thick bamboo rises, and the clearance increases between interior awl section of thick bamboo and the outer barrel, and interior awl section of thick bamboo descends, and the clearance reduces, through the position of the interior awl section of thick bamboo of adjustment, the unloading speed of adjustable grain material in bulk to the loading speed of grain material in bulk is adjusted as required in the realization, improves grain transport efficiency.

8. The utility model discloses simple structure, convenient to use, low cost, product are small, occupation space is few, are particularly useful for the limited condition of high space, can realize the measurement of grain in the loading process of leaving warehouse, can realize again that the unpowered dirt that presses down, just realize the energy saving and emission reduction in the grain transportation, green transports.

Description of the drawings:

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

fig. 2 is a schematic structural diagram of the metering device of the present invention;

fig. 3 is a schematic view of the dust suppression device of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the metering dust suppression device for grain loading comprises a grain bin 1, a supporting platform 7, a manual gate 2, a metering device 4 and a dust suppression device 6, wherein a discharge port of the grain bin 1 is communicated with a feed port of the metering device 4 through a pipeline, a pneumatic flow valve 3 is arranged on the pipeline, the manual gate 2 is arranged on the discharge port of the grain bin 1, and the pneumatic flow valve 3 is positioned between the manual gate 2 on the discharge port of the grain bin 1 and the feed port of the metering device 4. The metering device 4 is a chute scale, a discharge hole of the metering device 4 is connected with a feed inlet of the dust suppression device 6 through a pipeline, and a material level indicator 5 is arranged on the pipeline. Metering device 4 and dust suppression device 6 fixed connection on supporting platform 7, supporting platform 7 below is grain transportation vehicle's loading position, the discharge gate of 6 lower extremes of dust suppression device correspond with grain transportation vehicle's loading position, and be provided with pneumatic gate 8 on dust suppression device 6's the discharge gate.

Metering device 4 include measurement casing 41, feed inlet, discharge gate, weighing sensor 42, vertical water conservancy diversion passageway 43 and arc measurement chute 44, the lower extreme of measurement casing 41 pass through landing leg and supporting platform 7 fixed connection, the upper end of measurement casing 41 be provided with the feed inlet, the lower extreme of measurement casing 41 is provided with the discharge gate, is provided with vertical water conservancy diversion passageway 43 and arc measurement chute 44 in the measurement casing 41 of saying, the upper end and the feed inlet intercommunication of vertical water conservancy diversion passageway 43, the lower extreme of vertical water conservancy diversion passageway 43 is connected with the upper end of arc measurement chute 44, the arc measurement chute 44 the lower extreme and the discharge gate intercommunication, the arc measurement chute 44 the bow back be connected with weighing sensor 42's sense terminal. The vertical guide channel 43 comprises a vertical guide plate 431 and a guide adjusting plate 432, the vertical guide plate 431 is vertically arranged in the metering housing 41, the upper end of the upper end is fixedly connected with the top plate of the metering shell 41 at one side of the feed inlet, the lower end of the upper end is fixedly connected with a cross beam 411 arranged in the middle of the metering shell 41, the side plate of the metering shell 41 is provided with a long through hole 412 which is arranged along the transverse direction of the metering shell 41, the flow guide adjusting plate 432 is tightly connected with the metering shell 41 through a bolt which is arranged in the long through hole 412 in a penetrating way, the upper end of the flow guide adjusting plate 432 is positioned at the other side of the feed inlet, a vertical flow guide channel 43 is formed between the flow guide adjusting plate 432 and the vertical material guide plate 431, the position of a bolt for connecting the flow guide adjusting plate 432 and the metering shell 41 in the long through hole 412 is adjusted, the lateral position of the deflector plate 432 within the metering housing 41 may be achieved to adjust the width of the vertical deflector channel 43. The arc-shaped measuring chute 44 comprises an arc-shaped guide plate 441, an inclined baffle 442 and a connecting shaft 443, the upper end of the arc-shaped guide plate 441 is fixedly connected with a cross beam 411 arranged in the middle of the measuring shell 41, the lower end of the arc-shaped guide plate 441 is connected with the side edge of the discharge hole, a connecting shaft 443 is arranged in the measuring shell 41 below the flow guide adjusting plate 432, the connecting shaft 443 is connected with the measuring shell 41 in a relatively rotating manner, the axis of the connecting shaft 443 is coaxially arranged with the center of the arc-shaped guide plate 441, the inclined baffle 442 is connected to the connecting shaft 443, the upper end of the inclined baffle 442 is in contact with the lower end of the flow guide adjusting plate 432, and the arc-shaped measuring chute 44 is formed between the inclined baffle 442 and the arc-shaped guide plate 441.

The dust suppression device 6 comprises an outer cylinder body 61, an inner cone cylinder 62, a feed inlet and a discharge outlet, wherein the outer cylinder body 61 is of a cylindrical structure, the lower end of the outer cylinder body is provided with a funnel-shaped discharge outlet, the upper end of the outer cylinder body is provided with a dust cover 63, the lateral side of the outer cylinder body is provided with the feed inlet, the dust cover 63 is provided with the inner cone cylinder 62 in a suspension manner, the inner cone cylinder 62 is arranged in the outer cylinder body 61, the inner cone cylinder 62 is coaxial with the outer cylinder body 61, the inner cone cylinder 62 corresponds to the feed inlet, the dust cover 63 comprises a cover plate 631 and a sleeve pipe 632, the cover plate 631 covers the upper end of the outer cylinder body 61, the sleeve pipe 632 is positioned in the middle of the cover plate 631, the inner cone cylinder 62 comprises a straight pipe section 621 and a conical pipe section 622 which are of an integral structure, the straight pipe section 621 of the inner cone cylinder 62 is arranged in the sleeve pipe 632 in a penetrating manner, the straight pipe section of the inner cone cylinder 62 can move up and down relative to the sleeve pipe 632, and an adjusting mechanism is arranged in the inner cone cylinder 62, the adjustment mechanism drives the straight tube section 621 of the inner cone 62 to move relative to the sleeve 632. The adjusting mechanism comprises a screw rod 64 which is arranged in the inner cone 62 in a penetrating way and is fixedly connected with the lower end of the inner cone 62, the upper part of the screw rod 64 is fixedly connected with the upper end of the inner cone 62 through a nut, and the upper end of the screw rod 64 penetrates through the sleeve 632 and is fixedly connected with the upper end of the sleeve 632 through an adjusting nut 65. The cover plate 631 is provided with a waterproof cover 66, and the waterproof cover 66 is covered on the sleeve 632.

When the device is used, the manual gate 2 and the pneumatic flow valve 3 are opened, bulk materials in the granary 1 enter a feeding hole of the metering device 4 from a discharging hole of the granary 1 along a pipeline, then vertically flow downwards along the vertical flow guide channel 43, enter the arc-shaped measuring chute 44, move along the arc-shaped measuring chute 44 in an arc shape, flow out from an outlet of the arc-shaped measuring chute 44 and flow out from a discharging hole of the metering device 4, centrifugal force is generated when the grain materials flow through the arc-shaped measuring chute 44, the weighing sensor 42 senses the centrifugal force, and the centrifugal force is obtained according to the centrifugal force F = m v²R, mass flow m = F r/v of grain flowing through the arc measuring chute 44 can be calculated²Thereby accurately metering the mass flow of the grain material flowing through the arcuate measuring chute 44.

Grain materials flowing out of a discharge port of the metering device 4 enter an outer cylinder body 61 of the dust suppression device 6 from a feed port of the dust suppression device 6, the grain material flow is divided after being blocked by an inner cone 62 and rotationally falls along a gap between the inner cone 62 and the outer cylinder body 61, in the falling process, the gap between the inner cone 62 and the outer cylinder body 61 is gradually reduced from top to bottom under the action of a cone pipe section 622 of the inner cone 62, the grain material flow is extruded by the inner cone 62 and the outer cylinder body 61 in the downward flowing process to discharge air in the grain materials, when the grain material flow falls to the discharge port, the gap between the inner cone 62 and the outer cylinder body 61 is further reduced due to the funnel-shaped structure of the discharge port, the grain material flow is further extruded to form a compact material flow column, a pneumatic gate 8 is arranged on the discharge port of the dust suppression device 6, the dense grain stream column falls onto the transport vehicle.

In the process, after the grain material flow is blocked and shunted by the inner cone 62, the flow velocity of the grain material flow is reduced, and meanwhile, the grain material flow is shunted, so that the grain material flow rotates and falls along the gap between the inner cone 62 and the outer cylinder 61, a natural stirring effect is achieved, the air in the grain material flow is discharged, the flow velocity is reduced, the flying of dust and light and fine impurities from the grain material flow can be reduced, and the raised dust is reduced. In the downward flowing process of the grain material flow, under the extrusion action of the inner cone 62 and the outer cone 61, air in the grain material flow is further discharged, so that the grain material flow forms compact material flow columns, gaps among grain particles are reduced, impact among the grain particles is reduced, dust raising is reduced, and therefore the pollution to the environment is reduced, and the personal injury of dust diffusion to shippers is reduced.

When the bulk grain materials have less dust and light fine impurities, the adjusting nut 65 can be adjusted at the moment, the inner cone 62 is lifted upwards, and the gap between the inner cone 62 and the outer cylinder 61 is increased, so that the falling speed of the grain material flow is increased, and the grain transfer efficiency is improved. When the bulk grain materials contain more dust and light fine impurities, the adjusting nut 65 can be adjusted at this time to enable the inner cone 62 to move downwards relative to the sleeve 632, so that the gap between the inner cone 62 and the outer cylinder 61 is further reduced, the falling speed of the grain material flow is further reduced, and although the falling speed of the grain is reduced, the dust can be better suppressed.

The utility model discloses a be provided with material level indicator 5 on the pipeline between metering device 4's discharge gate and dust suppression device 6's the feed inlet, material level indicator 5 detects the interior material level of pipeline that gets into between the dust suppression device 6 from metering device 4, and when the putty took place for the pipeline, material level indicator 5 send signal gave controlling means, and controlling means send signal gives pneumatic flow valve 3, and its aperture is adjusted to pneumatic flow valve 3, reduces the flow that gets into metering device 4's grain material.

It should be noted that the above-mentioned embodiments are illustrative and not restrictive of the technical solutions of the present invention, and equivalents of those skilled in the art or other modifications made according to the prior art are intended to be included within the scope of the claims of the present invention as long as they do not exceed the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a grain loading is with measurement dust suppression device which characterized in that: the grain transportation vehicle comprises a granary (1), a supporting platform (7), a manual gate (2), a metering device (4) and a dust suppression device (6), wherein a discharge port of the granary (1) is communicated with a feed port of the metering device (4) through a pipeline, the discharge port of the granary (1) is provided with the manual gate (2), the discharge port of the metering device (4) is connected with the feed port of the dust suppression device (6) through a pipeline, the metering device (4) and the dust suppression device (6) are fixedly connected onto the supporting platform (7), a loading position of a grain transportation vehicle is arranged below the supporting platform (7), a discharge port at the lower end of the dust suppression device (6) corresponds to the loading position of the grain transportation vehicle, and a discharge port of the dust suppression device (6) is provided with a pneumatic gate (8).

2. The grain loading is with measurement dust suppression device of claim 1, characterized in that: a pneumatic flow valve (3) is arranged on a connecting pipeline between a discharge hole of the granary (1) and a feed inlet of the metering device (4), and the pneumatic flow valve (3) is positioned between a manual gate (2) on the discharge hole of the granary (1) and the feed inlet of the metering device (4).

3. The grain loading is with measurement dust suppression device of claim 1, characterized in that: a material level indicator (5) is arranged on a connecting pipeline between the discharge hole of the metering device (4) and the feed inlet of the dust suppression device (6).

4. The grain loading is with measurement dust suppression device of claim 1, characterized in that: the metering device (4) is a chute scale and comprises a metering shell (41), a feed inlet, a discharge outlet, a weighing sensor (42), a vertical flow guide channel (43) and an arc-shaped measuring chute (44), the lower end of the metering shell (41) is fixedly connected with the supporting platform (7) through supporting legs, the upper end of the metering shell (41) is provided with a feeding hole, the lower end of the metering shell (41) is provided with a discharging hole, a vertical flow guide channel (43) and an arc-shaped measuring chute (44) are arranged in the metering shell (41) of the book, the upper end of the vertical flow guide channel (43) is communicated with the feed inlet, the lower end of the vertical flow guide channel (43) is connected with the upper end of the arc-shaped measuring chute (44), the lower end of the arc measuring chute (44) is communicated with the discharge hole, and the arch back of the arc measuring chute (44) is connected with the detection end of the weighing sensor (42).

5. The grain loading is with measurement dust suppression device of claim 4, characterized in that: the vertical flow guide channel (43) comprises a vertical guide plate (431) and a flow guide adjusting plate (432), the vertical guide plate (431) is vertically arranged in the metering shell (41), the upper end of the vertical guide plate is fixedly connected with the top plate of the metering shell (41) on one side of the feed inlet, the lower end of the vertical guide plate is fixedly connected with a cross beam (411) arranged in the middle of the metering shell (41), a long through hole (412) transversely arranged along the metering shell (41) is arranged on a side plate of the metering shell (41), the flow guide adjusting plate (432) is fixedly connected with the metering shell (41) through a bolt penetrating in the long through hole (412), the upper end of the flow guide adjusting plate (432) is positioned on the other side of the feed inlet, a vertical flow guide channel (43) is formed between the flow guide adjusting plate (432) and the vertical guide plate (431), and the position of the bolt connecting the flow guide adjusting plate (432) and the metering shell (41) in the long through hole (412) is adjusted, the transverse position of the flow guide adjusting plate (432) in the metering shell (41) can be adjusted, so that the width of the vertical flow guide channel (43) is adjusted.

6. The grain loading is with measurement dust suppression device of claim 4, characterized in that: the arc-shaped measuring chute (44) comprises an arc-shaped guide plate (441), an inclined baffle (442) and a connecting shaft (443), the upper end of the arc guide plate (441) is fixedly connected with a cross beam (411) arranged in the middle of the metering shell (41), the lower end of the arc guide plate (441) is connected with the side edge of the discharge hole, a connecting shaft (443) is arranged in the metering shell (41) below the flow guide adjusting plate (432), the connecting shaft (443) is connected with the metering shell (41) in a relatively rotating manner, the axis of the connecting shaft (443) is coaxially arranged with the center of the arc-shaped guide plate (441), the inclined baffle (442) is connected to the connecting shaft (443), and the upper end of the inclined baffle (442) is contacted with the lower end of the flow guide adjusting plate (432), an arc-shaped measuring chute (44) is formed between the inclined baffle (442) and the arc-shaped guide plate (441).

7. The grain loading is with measurement dust suppression device of claim 1, characterized in that: dust suppression device (6) include outer barrel (61), interior cone (62), feed inlet and discharge gate, outer barrel (61) be tubular structure, its lower extreme sets up funnel type discharge gate, and its upper end is provided with shield (63), and its side direction is provided with the feed inlet, shield (63) go up to hang and be provided with interior cone (62), interior cone (62) set up in outer barrel (61), interior cone (62) coaxial with outer barrel (61), and interior cone (62) correspond with the feed inlet, shield (63) including apron (631) and sleeve pipe (632), apron (631) cover dress in the upper end of outer barrel (61), sleeve pipe (632) be located the middle part of apron (631), interior cone (62) including the straight tube section (621) and the cone section (622) of integral structure, straight tube section (621) of interior cone (62) wear in sleeve pipe (632), and the straight pipe section (621) of the inner cone cylinder (62) can move up and down relative to the sleeve (632), an adjusting mechanism is arranged in the inner cone cylinder (62), and the adjusting mechanism drives the straight pipe section (621) of the inner cone cylinder (62) to move relative to the sleeve (632).

8. The grain loading is with measurement dust suppression device of claim 7, characterized in that: the adjusting mechanism comprises a screw rod (64) which is arranged in the inner cone cylinder (62) in a penetrating mode and is fixedly connected with the lower end of the inner cone cylinder (62), the upper portion of the screw rod (64) is fixedly connected with the upper end of the inner cone cylinder (62) through a nut, and the upper end of the screw rod (64) penetrates through the sleeve (632) and is fixedly connected with the upper end of the sleeve (632) through an adjusting nut (65).

9. The grain loading is with measurement dust suppression device of claim 7, characterized in that: the cover plate (631) is provided with a waterproof cover (66), and the waterproof cover (66) is covered on the sleeve (632).