CN212639260U

CN212639260U - Dust collecting device for loading bulk materials onto ship

Info

Publication number: CN212639260U
Application number: CN202020957539.7U
Authority: CN
Inventors: 盛建建; 何中道
Original assignee: Yangxin Washi Cement Co Ltd
Current assignee: Yangxin Washi Cement Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-02
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a dust collection device for bulk material shipment belongs to shipment machine technical field, specifically includes: the telescopic chute comprises an arm support, a telescopic chute and a dust removal device arranged on the arm support and used for driving a travelling mechanism which is moved by the telescopic chute and arranged above the arm support, wherein the dust removal device comprises a dust remover, a fixed air box communicated with the dust remover and a movable air box, the fixed air box is fixedly arranged at the top end of the arm support, the movable air box is sleeved with the fixed air box and is in sliding fit with the fixed air box, the movable air box is fixedly connected with the travelling mechanism, and the movable air box is communicated with a dust collection channel through a dust collection pipeline. The utility model discloses a set up and remove bellows, and remove bellows and link firmly with running gear, can make running gear drive simultaneously and stretch out and draw back a section of thick bamboo and remove bellows and remove, guarantee the distance relatively stable between the three, need not to set up tedious dust absorption pipeline, the crooked coiling problem when can avoiding the dust absorption pipeline rolling.

Description

Dust collecting device for loading bulk materials onto ship

Technical Field

The utility model relates to a shipment machine technical field, in particular to a dust collection device for bulk material shipment.

Background

In the logistics port industry, in the process of loading a plurality of bulk materials such as cement, cement clinker, fly ash, gravel and the like on a ship, due to the influence of the height difference and the water level drop, the bulk materials can generate a large amount of dust in the processes of unloading, conveying and loading the ship, so that the environment is polluted, and in addition, the ship loader needs to move due to different ship types, so that the dust removal difficulty is increased. In the unloading process, a part of the existing ship loader is provided with a closed unloading shed to prevent dust from leaking, liquid is sprayed in the unloading shed to enable the dust to be adsorbed by the liquid so as to achieve the effect of suppressing the dust, and the spraying cannot cover all areas in the unloading shed, so that the mode can only suppress part of the dust in the unloading shed of the vehicle, and the dust pollution cannot be completely solved.

Chinese patent No. CN201720498710.0 discloses a shipment machine from taking dust collector, including the portal, the stand, the revolving stage, the cantilever crane, flexible swift current section of thick bamboo, the belt conveyor, counter weight frame and dust collector, flexible swift current section of thick bamboo comprises being responsible for and dust excluding hood, the dust excluding hood suit is responsible for the outside and form dust absorption passageway between the two, the top of flexible swift current section of thick bamboo is provided with the funnel, the upper end and the funnel outer wall sealing connection of dust excluding hood, dust collector includes the dust absorption pipeline, negative-pressure air fan and dust remover, the dust absorption pipeline runs through the dust excluding hood and extends to the dust absorption passageway, the dust remover is connected to the dust absorption pipeline, negative-pressure air fan is connected with the. However, the telescopic chute can be stretched in the loading and unloading process, and the telescopic chute can horizontally move along the arm support, so that the dust suction pipeline of the dust removal device is bent and wound together, the dust removal device cannot work, and the dust removal effect is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to above prior art, the utility model aims to provide a dust collection device for bulk material shipment, through setting up the removal bellows, and remove bellows and link firmly with running gear, can make running gear drive simultaneously and stretch out and draw back a section of thick bamboo and remove bellows and remove, guarantee the distance relatively stable between the three, need not to set up lengthy dust absorption pipeline, crooked coiling problem when can avoiding dust absorption pipeline rolling among the prior art.

In order to achieve the above object, the present invention is specifically realized by the following techniques:

a dust collecting device for bulk material shipment comprises an arm support, a telescopic chute, a traveling mechanism and a dust removing device, wherein the traveling mechanism is arranged on the arm support and used for driving the telescopic chute to move, the dust removing device is arranged above the arm support, a telescopic hose is sleeved outside the telescopic chute, a dust collecting channel is formed between the telescopic hose and the telescopic chute, and a dust collecting hood is fixedly arranged at the bottom end of the telescopic hose;

the dust removal device comprises a dust remover, a fixed air box communicated with the dust remover and a movable air box, wherein the fixed air box is fixedly arranged at the top end of the arm support, the movable air box is sleeved with the fixed air box and is in sliding fit with the fixed air box, the movable air box is fixedly connected with the travelling mechanism, and the dust collection channel is communicated with the movable air box through a dust collection pipeline.

Adopt above-mentioned technical scheme: under the action of a negative pressure environment generated by the dust remover, dust sequentially passes through the dust suction pipeline, the movable air box and the fixed air box from bottom to top through the dust suction channel and reaches the inside of the dust remover to be subjected to dust removal operation. And will remove bellows and running gear and link firmly, can make running gear drive flexible swift current section of thick bamboo and remove bellows removal simultaneously, guarantee the distance between the three relatively stable, consequently need not to set up lengthy dust absorption pipeline, can avoid the crooked winding problem when dust absorption pipeline rolling among the prior art. Moreover, the dust suction pipeline is fixed in length, the dust removal requirement can be met only by arranging a short section of dust suction pipeline, the circulation path of dust is greatly reduced, and the dust removal effect is improved.

Furthermore, the outer wall of the fixed air box is provided with a limit ring plate, and one side of the inner wall of the movable air box, which is close to the fixed air box, is provided with a positioning bulge. Through the protruding stopper of spacing ring board pair location, prevent to remove outside the bellows deviate from fixed bellows, improve the stability of the two connections.

Furthermore, one side of the outer wall of the fixed air box, which is close to the movable air box, is provided with a plurality of sealing ring plates, the centers of the sealing ring plates are provided with U-shaped grooves, and sealing gaskets or soft sealing fillers are arranged in the U-shaped grooves. The sealing gasket and the soft sealing filler are limited between the movable air box and the fixed air box through the sealing ring plate, so that the sealing gasket and the soft sealing filler are prevented from shifting when the movable air box moves, and the sealing effect is improved.

Furthermore, a sealing gasket and a soft sealing filler are respectively arranged in the plurality of U-shaped grooves. The sealing effect of the sealing gasket is good, and the soft sealing filler has good lubricity and small friction coefficient, so that the sliding of the movable air box is not influenced while the sealing effect is achieved.

Further, the soft sealing filler is one of flexible graphite and aramid fiber packing. The flexible graphite and aramid fiber packing has strong wear resistance and is suitable for easily-worn media containing solid particles.

Adopt above-mentioned technical scheme: because sliding connection exists between fixed bellows and the removal bellows, there is small clearance, consequently, through the cooperation of seal ring board and sealed pad or soft sealing filler, form relative seal structure between fixed bellows and removal bellows, and sealed pad and soft sealing filler form the dual seal, and sealing performance is good, can effectively prevent the dust loss, improves dust removal effect.

Furthermore, the positioning protrusion is detachably connected with the inner wall of the movable air box, and if the positioning protrusion is fastened with the movable air box through a bolt, the movable air box can be conveniently detached, internal dirt can be removed, and a sealing gasket and a soft sealing filler can be replaced.

Furthermore, 2-4 dust suction pipelines are symmetrically arranged on the movable air box; the movable air box is stressed uniformly, and the sliding stability is improved.

The utility model has the advantages that:

1. through setting up the removal bellows, and remove bellows and link firmly with running gear, can make running gear drive simultaneously and stretch out and draw back a section of thick bamboo and remove bellows and remove, guarantee the distance relatively stable between the three, consequently need not to set up tedious dust absorption pipeline, the crooked coiling problem when can avoiding dust absorption pipeline rolling among the prior art. Moreover, the dust suction pipeline is fixed in length, the dust removal requirement can be met only by arranging a short section of dust suction pipeline, the circulation path of dust is greatly reduced, and the dust removal effect is improved.

2. Through the cooperation of the sealing ring plate, the sealing gasket and the soft sealing filler, a relative sealing structure is formed between the fixed air box and the movable air box, the sealing gasket and the soft sealing filler form double sealing, the sealing performance is good, dust loss can be effectively prevented, and the dust removal effect is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a dust collecting device for bulk material shipment of example 1;

FIG. 2 is a schematic view of the structure of the fitting between the fixed bellows and the moving bellows of example 1;

FIG. 3 is a schematic view of the structure of the fitting between the fixed bellows and the moving bellows of example 2;

in the figure, 1, a boom; 2. a telescopic chute; 3. a winch; 4. a traveling mechanism; 5. a flexible hose; 6. a dust collection cover; 7. a dust remover; 8. fixing the air box; 9. moving the bellows; 10. a dust collection duct; 11. a limit ring plate; 12. positioning the projection; 13. a seal ring plate; 14. a gasket; 15. and (4) soft sealing filler.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

The utility model provides a dust collection device for bulk material shipment, refers to fig. 1 ~ 2, includes cantilever crane 1, be equipped with flexible swift current section of thick bamboo 2, hoist engine 3 and running gear 4 on the cantilever crane 1, running gear 4 can adopt forms such as common belt drive, sprocket drive the flexible swift current section of thick bamboo 2 is followed cantilever crane 1 horizontal migration, flexible swift current section of thick bamboo 2 is located the bottom of cantilever crane 1, flexible swift current section of thick bamboo 2 is used for passing through the material stream, flexible swift current section of thick bamboo 2 pass through wire rope with hoist engine 3 is connected, hoist engine 3 pulls through wire rope flexible swift current section of thick bamboo 2 carries out flexible operation to adjust the length of flexible swift current section of thick bamboo 2 according to the draft condition of water level and cargo ship, adapt to the unloading demand. The outer side of the telescopic chute barrel 2 is sleeved with a telescopic hose 5, a dust collection channel is formed between the telescopic hose and the telescopic chute barrel, the bottom end of the telescopic hose 5 is fixedly provided with a dust collection cover 6 for covering a falling accumulation surface of bulk materials to prevent dust from escaping outwards, and the dust is directly sucked into the dust collection device through the dust collection channel.

Dust collector includes dust remover 7, with the fixed bellows 8 and the removal bellows 9 of dust remover 7 intercommunication, fixed bellows 8 set firmly in 1 top of cantilever crane, remove bellows 9 cover and locate fixed bellows 8 the outside and with fixed bellows 8 sliding connection also can with remove bellows 9 cover and locate fixed bellows 8 inboard and with fixed bellows 8 sliding connection forms sleeve pipe extending structure, is the high finish on the contact surface of fixed bellows 8 and removal bellows 9. The movable air box 9 is fixedly connected with the travelling mechanism 4, namely, when the travelling mechanism 4 drives the telescopic chute 2 to move, the travelling mechanism 4 drives the movable air box 9 to slide along the length direction of the fixed air box 8. Remove bellows 9 with dust absorption channel intercommunication, it is concrete, the symmetry is equipped with 2 ~ 4 dust absorption pipeline 10 on removing bellows 9's the box, the inner chamber of dust absorption pipeline 10 one end intercommunication removal bellows 9, the other end stretches into in the dust absorption channel, under the negative pressure environment effect that dust remover 7 produced, the dust removes dust operation from up passing through dust absorption pipeline 10, removal bellows 9, fixed bellows 8 in proper order down by the dust absorption channel.

In order to prevent the movable air box 9 from being separated from the fixed air box 8, a limit ring plate 11 is arranged on the outer wall of the fixed air box 8, and a positioning bulge 12 is arranged on one side, close to the fixed air box 8, of the inner wall of the movable air box 9. The connection stability is improved by blocking the positioning protrusions 12 by the limiting ring plate 11. Preferably, the positioning protrusion 12 is detachably connected to the inner wall of the movable bellows 9, and if the positioning protrusion 12 is fastened to the movable bellows 9 by a bolt, the movable bellows 9 can be conveniently detached to remove internal dirt and replace the sealing gasket 14 and the soft sealing filler 15.

Adopt above-mentioned technical scheme: under the action of the negative pressure environment generated by the dust remover 7, dust passes through the dust suction pipeline 10, the movable air box 9 and the fixed air box 8 from bottom to top in sequence through the dust suction channel to reach the dust remover 7 for dust removal operation. The movable air box 9 is fixedly connected with the travelling mechanism 4, so that the travelling mechanism 4 can drive the telescopic chute barrel 2 and the movable air box 9 to move simultaneously, and the relative stability of the distance between the three is ensured, so that a long dust suction pipeline 10 is not required to be arranged, and the problem of bending and winding when the dust suction pipeline 10 is wound in the prior art can be solved. Moreover, the dust suction pipeline 10 is fixed in length, and the dust removal requirement can be met only by arranging a short section of dust suction pipeline 10, so that the circulation path of dust is greatly reduced, and the dust removal effect is improved.

Example 2

Example 2 is essentially the same as example 1, except that: referring to fig. 3, because the fixed bellows 8 and the movable bellows 9 are slidably connected, and there is a small gap, in this embodiment, a plurality of seal ring plates 13 are disposed on one side of the outer wall of the fixed bellows 8 close to the movable bellows 9, a U-shaped groove is disposed in the center of the seal ring plates 13, and a seal gasket 14 or a soft seal packing 15 is disposed in the U-shaped groove. Preferably, a plurality of the U-shaped grooves are respectively provided with a gasket 14 and a soft sealing packing 15. The soft sealing filler 15 is one of flexible graphite and aramid fiber packing. The flexible graphite and aramid fiber packing has strong wear resistance and is suitable for easily-worn media containing solid particles.

Adopt above-mentioned technical scheme: through the cooperation of the sealing ring plate 13 and the sealing gasket 14 or the soft sealing filler 15, a relative sealing structure is formed between the fixed air box 8 and the movable air box 9, the sealing gasket 14 and the soft sealing filler 15 form double sealing, the sealing performance is good, dust dissipation can be effectively prevented, and the dust removal effect is improved. And the sealing ring plate 13 can limit the sealing gasket 14 and the soft sealing filler 15 between the movable air box 9 and the fixed air box 8, so that the sealing gasket 14 and the soft sealing filler 15 are prevented from being displaced when the movable air box 9 moves, and the sealing effect is improved.

Claims

1. A dust collecting device for bulk material shipment comprises an arm support (1), a telescopic chute (2), a travelling mechanism (4) arranged on the arm support (1) and used for driving the telescopic chute (2) to move, and a dust removing device arranged above the arm support (1), and is characterized in that a telescopic hose (5) is sleeved on the outer side of the telescopic chute (2) and forms a dust collecting channel between the telescopic hose and the telescopic chute, and a dust collecting cover (6) is fixedly arranged at the bottom end of the telescopic hose (5);

the dust removal device comprises a dust remover (7), a fixed air box (8) communicated with the dust remover (7) and a movable air box (9), wherein the fixed air box (8) is fixedly arranged on the top end of the arm support (1), the movable air box (9) is sleeved with the fixed air box (8) and is matched with the fixed air box (8) in a sliding manner, the movable air box (9) is fixedly connected with the walking mechanism (4), and a dust suction channel is communicated with the movable air box (9) through a dust suction pipeline (10).

2. The dust collecting device for bulk material shipment according to claim 1, wherein the outer wall of the fixed bellows (8) is provided with a retainer ring plate (11), and the inner wall of the movable bellows (9) is provided with a positioning projection (12) on a side close to the fixed bellows (8).

3. Dust collecting device for bulk material shipment according to claim 1 or 2, characterized in that the outer wall of the fixed bellows (8) is provided with a number of sealing ring plates (13) on the side close to the moving bellows (9), the sealing ring plates (13) being provided with a U-shaped groove in the centre, in which a sealing gasket (14) or a soft sealing packing (15) is provided.

4. A dust collecting device for bulk material shipment according to claim 3, characterized in that a plurality of said U-shaped channels are provided with a sealing gasket (14) and a soft sealing packing (15), respectively.

5. A dust collecting device for bulk material shipment according to claim 3, characterized in that the soft sealing packing (15) is one of flexible graphite, aramid fibre packing.

6. Dust collecting device for bulk material shipment according to claim 2, characterized in that the positioning projection (12) is detachably connected to the inner wall of the moving bellows (9).

7. The dust collecting device for bulk material shipment according to claim 1, wherein the number of the dust suction pipes (10) is 2-4, and the dust suction pipes are symmetrically arranged on the movable bellows (9).