CN219009352U - Dust shielding device of bulk grain receiving hopper of wharf - Google Patents

Abstract

The utility model relates to a dust shielding device of a bulk grain receiving hopper of a wharf, which comprises a steel grating, a beam, a baffle plate and a flow guiding dust shielding assembly, wherein the beam and the baffle plate are mutually and fixedly connected to form a grid-shaped framework, the steel grating is fixedly connected to the periphery of the framework, the flow guiding dust shielding assembly is arranged in each grid of the grid-shaped framework, the flow guiding dust shielding assembly comprises guard plates, guide plates and dust shielding plates, a plurality of guide plates which are obliquely arranged are arranged between the two guard plates, a bulk grain sliding channel is formed between the two adjacent guide plates, the vertically arranged dust shielding plates are arranged in the bulk grain sliding channel, and the lower end outlets of the bulk grain sliding channel are sealed by the dust shielding plates. Bulk grain grabbed by the grab bucket slides along the guide plate under the action of gravity, and impacts the dust shielding plate to enable the dust shielding plate to deflect and open, the bulk grain falls into the receiving hopper, the bulk grain slides completely, the dust shielding plate is closed under the action of gravity, and flying dust generated in the falling process of the bulk grain is sealed in the receiving hopper, so that the dust is effectively prevented from overflowing, and the environment is protected.

Description

Dust shielding device of bulk grain receiving hopper of wharf

Technical field:

the utility model belongs to the technical field of bulk grain transfer equipment, and particularly relates to a dust shielding device of a bulk grain receiving hopper of a wharf, which is used for loading and unloading bulk grains at the wharf of the port.

The background technology is as follows:

with the improvement of land transportation cost, domestic bulk grain transportation increasingly depends on water transportation, when bulk grain is loaded or unloaded in a port and a dock, the bulk grain is generally realized through a dock grab bucket and a receiving hopper, the receiving hopper is a funnel-shaped operation platform with a large upper end opening and a large lower end opening, the upper end opening is a feed inlet, the lower end opening is a discharge outlet, when bulk grain is loaded in the ship, the grab bucket grabs and moves bulk grain from a grain car to the receiving hopper, bulk grain enters from the feed inlet of the receiving hopper and flows out from the discharge outlet at the lower end of the receiving hopper, a belt conveyor is arranged below the discharge outlet of the receiving hopper, and the bulk grain is transported to the grain ship by the belt conveyor. During ship unloading, the grab bucket grabs the bulk grain on the grain ship to the upper end of the receiving hopper, the lower part of the discharging hole of the lower end of the receiving hopper stops at the transporting grain truck, the bulk grain is directly loaded and unloaded, the receiving hopper is convenient and fast to load and unload, the dust suppression function is realized, the air draft dust removing equipment is arranged on the periphery of the upper part of the receiving hopper, when the bulk grain is dumped into the receiving hopper by the grab bucket, the scattered dust is adsorbed on the dust removal cloth bag under the suction effect of the air draft dust removing equipment, the dust can be effectively reduced, the environment is protected, however, because the size of the receiving hopper is larger, the opening of the feeding hole at the upper end of the receiving hopper is large, a high-power fan is required for suction, the energy consumption is high, the operation cost is high, moreover, the dust removal cloth bag is generally distributed around the periphery of the receiving hopper, and a lot of dust still overflows from the feeding hole at the upper end of the receiving hopper, thereby causing a certain environmental pollution.

The utility model comprises the following steps:

in summary, in order to overcome the defects of the prior art, the utility model provides a dust-shielding device of a bulk grain receiving and sending hopper of a wharf, which is arranged at an opening at the upper end of the receiving and sending hopper and is provided with a fixed material guide plate which is obliquely arranged and a dust-shielding plate which can deflect relative to the material guide plate, wherein the dust-shielding plate is vertically arranged, bulk grains grabbed by a grab bucket slide down along a guide plate under the action of gravity to impact the dust-shielding plate, so that the dust-shielding plate deflects and opens, the bulk grains fall into the receiving and sending hopper, the bulk grains slide down completely, the dust-shielding plate is closed under the action of gravity, and flying dust generated in the falling process of the bulk grains is sealed in the receiving and sending hopper, thereby effectively preventing dust from overflowing and protecting the environment.

In order to solve the technical problems, the technical scheme of the utility model is realized as follows:

dust shielding device of bulk grain receiving hopper of wharf, wherein: including steel grating, crossbeam, baffle and water conservancy diversion dust shielding subassembly, crossbeam and baffle intercrossing fixed connection constitute latticed skeleton, latticed skeleton fixedly connected with steel grating all around, latticed skeleton erect in receiving and dispatching hopper's upper end feed inlet through steel grating, every net of latticed skeleton in all be provided with water conservancy diversion dust shielding subassembly, water conservancy diversion dust shielding subassembly include backplate, guide plate and dust shielding board, the both sides of every net of latticed skeleton respectively set up a backplate, be provided with a plurality of guide plates that slope was arranged between two backplate, form the grain landing passageway that looses between two adjacent guide plates, grain landing passageway that looses in be provided with the vertical dust shielding board that arranges, the upper end of shielding the dust shielding board articulated connection with the guide plate above it, the lower part of shielding dust shielding board is taken on its lower part guide plate, the vertical dust shielding board that arranges seals grain passageway lower extreme export.

Further, the inclination angle a of the guide plate is more than or equal to 30 degrees and less than or equal to 60 degrees.

Further, the upper portion of guide plate be provided with the hinge groove, the hinge inslot be provided with the hinge, the hinge be connected with the backplate relative rotation, the upper end and the hinge fastening connection of dust shielding board.

Further, the lower part of the guide plate is provided with a supporting rod, two ends of the supporting rod are fixedly connected with the two guard plates, and the supporting rod supports the lower part of the guide plate.

Further, the guard plate include integrated structure and overlap joint portion, tilting portion and vertical portion that connects gradually, overlap joint portion level arrange, its welded fastening is in the upper end of crossbeam, tilting portion be 120 be less than or equal to b and less than or equal to 160 with the contained angle b of vertical portion, two guard plates symmetrical arrangement in the same net of latticed skeleton.

The beneficial effects of the utility model are as follows:

1. the utility model is arranged at the opening of the upper end of the receiving and dispatching hopper, and is provided with the fixed material guide plate which is obliquely arranged and the dust shielding plate which can deflect relative to the material guide plate, the dust shielding plate is vertically arranged, the scattered grain grabbed by the grab bucket slides along the guide plate under the action of gravity, the dust shielding plate is impacted to deflect and open the dust shielding plate, the scattered grain falls into the receiving and dispatching hopper, the scattered grain slides down completely, the dust shielding plate is closed under the action of gravity, and the flying dust generated in the falling process of the scattered grain is sealed in the receiving and dispatching hopper, so that the dust is effectively prevented from overflowing, and the environment is protected.

2. The steel grids are arranged around the grid-shaped framework, and after the receiving hopper is arranged in the receiving hopper, the receiving hopper is arranged in the feeding hole of the receiving hopper, the receiving hopper is erected in the grid-shaped framework, the flow guiding dust-shielding component is arranged in the grid-shaped framework, and when bulk grains fall down, the suction dust-removing equipment of the receiving hopper is arranged around, so that the suction force around the receiving hopper is large, the suction force in the middle is small, and the flow guiding dust-shielding component is matched with the suction dust-removing equipment, so that dust can be effectively shielded, and dust overflow and dust can be dispersed when bulk grains are placed for receiving and sending.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the cross-sectional structure of FIG. 1 A-A in accordance with the present utility model;

FIG. 3 is a schematic view of the B-B cross-sectional structure of FIG. 1 in accordance with the present utility model;

FIG. 4 is a schematic view of a flow-guiding dust-shielding assembly according to the present utility model;

FIG. 5 is a schematic cross-sectional view of FIG. 4 in accordance with the present utility model;

FIG. 6 is a schematic view of the structure of the guard plate of the present utility model.

Detailed Description

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

As shown in fig. 1-6, a dust shielding device of a bulk grain receiving hopper of a wharf comprises a steel grating 1, a beam 2, a partition plate 3 and a flow guiding dust shielding component 4, wherein the beam 2 and the partition plate 3 are mutually crossed and fixedly connected to form a grid-shaped framework structure, the periphery of the grid-shaped framework is fixedly connected with the steel grating 1, the grid-shaped framework is erected in an upper end feed inlet 11 of the receiving hopper through the steel grating 1, each grid of the grid-shaped framework is internally provided with the flow guiding dust shielding component 4, the flow guiding dust shielding component 4 comprises a guard plate 5, a guide plate 6 and a dust shielding plate 7, two guard plates 5 are respectively arranged on two sides of each grid of the grid-shaped framework, each guard plate 5 comprises an integrally-structured lap joint part 51, an inclined part 52 and a vertical part 53 which are sequentially connected, the lap joint part 51 is horizontally arranged, the lap joint part 51 is fixedly arranged at the upper grid of the beam 2, an included angle b between the inclined part 52 and the vertical part 53 is 120 degrees b is less than or equal to 160 degrees, and two guard plates 5 in the same grid of the grid-shaped framework are symmetrically arranged. The two guard plates 5 are symmetrically arranged, so that the upper end opening of the grid forms a horn mouth structure with a big upper part and a small lower part, and the horn mouth structure is beneficial to bulk grain to slide down.

A plurality of guide plates 6 which are obliquely arranged are arranged between the two guard plates 5, the inclination angle a of the guide plates 6 is 30 degrees or more and is or less than 60 degrees, a bulk grain sliding channel 8 is formed between two adjacent guide plates 6, a dust shielding plate 7 which is vertically arranged is arranged in the bulk grain sliding channel 8, the upper end of the dust shielding plate 7 is hinged with the guide plates 6 above the dust shielding plate 7, and the lower part of the dust shielding plate 7 is placed on the guide plates 6 below the dust shielding plate. The upper portion of guide plate 6 be provided with hinge groove 9, hinge groove 9 in be provided with articulated shaft 12, articulated shaft 12 and backplate 5 relative rotation be connected, the upper end of dust cover plate 7 with articulated shaft 12 fastening connection. The lower part of the guide plate 6 is provided with a support rod 10, two ends of the support rod 10 are fixedly connected with the two guard plates 5, and the support rod 10 supports the lower part of the guide plate 6.

During the use, grab bucket snatchs the bulk grain and moves to the top central authorities of receiving and dispatching the hopper, later open the grab bucket, the bulk grain falls under the action of gravity, fall into the scattered grain of water conservancy diversion dust shielding subassembly 4 and produce the impact to shielding dirt board 7, shielding dirt board 7 articulates and rotates relative guide plate 6, thereby make scattered grain landing passageway 8 open, scattered grain falls into receiving and dispatching the hopper in, after the scattered grain landing finishes, shielding dirt board 7 resets under the action of gravity, can strike guide plate 6, thereby make guide plate 6 vibration, make the grain landing that remains in scattered grain landing passageway 8, avoid gathering materials, after shielding dirt board 7 resets in place, shielding dirt board 7 is again with scattered grain landing passageway 8 closure, can effectually prevent that the dust from the feed inlet middle part of receiving and dispatching the hopper from spilling. The grain falling from the steel grating 1 is adsorbed on the dust removing cloth bag under the action of suction force due to the dust removing suction equipment of the receiving and dispatching hopper, and then falls down without overflowing.

It should be noted that the above-mentioned embodiments are illustrative rather than limiting, and that those skilled in the art can substitute equivalents or other modifications made according to the prior art without departing from the spirit and scope of the present utility model, and are intended to be included in the scope of the claims.

Claims (5)

1. Dust shielding device of bulk grain receiving hopper of wharf, its characterized in that: including steel grating (1), crossbeam (2), baffle (3) and water conservancy diversion dust subassembly (4), crossbeam (2) and baffle (3) intercrossing fixed connection constitute latticed skeleton, latticed skeleton fixedly connected with steel grating (1) all around, latticed skeleton erect in receiving and dispatching the upper end feed inlet (11) of hopper through steel grating (1), every net of latticed skeleton in all be provided with water conservancy diversion dust subassembly (4), water conservancy diversion dust subassembly (4) including backplate (5), guide plate (6) and cover dirt board (7), the both sides of every net of latticed skeleton respectively set up backplate (5), be provided with guide plate (6) of a plurality of slope arrangements between two backplate (5), form bulk grain landing passageway (8) between two adjacent guide plates (6), bulk grain passageway (8) in be provided with vertical arrangement's upper end and baffle (6) articulated connection above that are covered dirt board (7), the lower part that covers dirt board (7) is covered on the lower part of enclosing the lower part of the baffle (8) that will be arranged under the baffle (7).

2. The dust shielding apparatus of a bulk grain receiving hopper of a wharf of claim 1, wherein: the inclination angle a of the guide plate (6) is more than or equal to 30 degrees and less than or equal to 60 degrees.

3. The dust shielding apparatus of a bulk grain receiving hopper of a wharf of claim 1, wherein: the upper portion of guide plate (6) be provided with hinge groove (9), hinge groove (9) in be provided with articulated shaft (12), articulated shaft (12) be connected with backplate (5) relative rotation, the upper end of dust board (7) and articulated shaft (12) fastening connection.

4. The dust shielding apparatus of a bulk grain receiving hopper of a wharf of claim 1, wherein: the lower part of the guide plate (6) is provided with a supporting rod (10), two ends of the supporting rod (10) are fixedly connected with the two guard plates (5), and the supporting rod (10) supports the lower part of the guide plate (6).

5. The dust shielding apparatus of a bulk grain receiving hopper of a wharf of claim 1, wherein: the guard board (5) comprises an integrally-structured lap joint part (51), an inclined part (52) and a vertical part (53) which are sequentially connected, wherein the lap joint part (51) is horizontally arranged and welded and fixed at the upper end of a cross beam (2), an included angle b between the inclined part (52) and the vertical part (53) is 120 degrees or more and 160 degrees or less, and two guard boards (5) in the same grid of the grid-shaped framework are symmetrically arranged.

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