CN211870480U - Avoid local bellied device of unloading of conveyer belt - Google Patents

Abstract

The utility model provides an avoid local bellied gas discharging device of conveyer belt, including the switching device that unloads gas, the front end of unloading the switching device is equipped with square connecting plate, be equipped with square convex block on the square connecting plate, square convex block is last to be equipped with two and to bleed and filter, two the lower extreme of the filter that bleeds is equipped with two filter of admitting air, the rear end of unloading the switching device is connected with airtight protection box, airtight protection box's lower extreme is equipped with air pump machine case, the bilateral symmetry of air pump machine case is equipped with the thermovent, two the upper end of thermovent is equipped with the weather shield, just four apex angle departments in bottom of air pump machine case are equipped with first telescopic support leg one by one, the rear end of air pump machine case is equipped with an air collection bucket device, air collection bucket device's bottom is equipped with the telescopic. The utility model discloses the effectual local arch of having avoided the air cushion conveyer belt has improved the effect of unloading gas to still reduced air intake fan's energy consumption and alleviateed staff's work load.

Description

Avoid local bellied device of unloading of conveyer belt

Technical Field

The utility model mainly relates to a technical field that the air cushion machine unloads gas, concretely relates to avoid local bellied gas unloading device of conveyer belt.

Background

Air cushion belt conveyors are also known as air cushion conveyors. Is a novel continuous conveying device which is firstly researched by the Netherlands in the seventies of the twentieth century. The technology is introduced in the eighties of China, and in the middle of the eighties, a large test prototype with the bandwidth of 1 meter and the length of 97 meters, which is self-developed by China, is installed in the Wang-Panmura coal mine of the Beijing Ministry of mining affairs, so that the sequence of popularization and application of the air cushion conveyor in China is pulled.

The air cushion conveyor is a belt conveyor which uses a thin air film to support a conveyor belt and materials on the conveyor belt. The carrier roller of the carrier roller belt conveyor is replaced by an air chamber disk groove with holes, when air with certain pressure and flow is provided for the air chamber by an air source, the air in the air chamber escapes from small holes on the disk groove, and a layer of air film with certain pressure is formed between the conveyor belt and the disk groove to support the conveyor belt and upper materials of the conveyor belt. The roller supports arranged at a certain interval are changed into continuous air cushion supports, so that the roller friction between the conveying belt and the roller is changed into fluid friction between the conveying belt and the disc groove by taking air as a medium, the running resistance is reduced, and a plurality of advantages are brought.

The air discharge device structure of its use of present air cushion conveyor in order to avoid the local arch of conveyer belt is too simple, be difficult to reach comparatively good effect of unloading, and get into the outside air after the gas outgoing and mix when unloading, will inhale the outside air through air intake fan again when needs increase qi, make air intake fan's energy consumption increase, and air intake fan's filter screen often washs because of frequent absorption outside air is easy too dirty needs, staff's work load has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an avoid local bellied gas discharging device of conveyer belt for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

an air discharging device capable of avoiding local protrusion of a conveying belt comprises an air discharging switch device, wherein a square connecting plate is arranged at the front end of the air discharging switch device, a square convex block is arranged on the square connecting plate, two air exhaust filtering pieces are arranged on the square convex block, and two air inlet filtering pieces are arranged at the lower ends of the two air exhaust filtering pieces; the rear end of the air discharge switch device is connected with a closed protection box, the lower end of the closed protection box is provided with an air pump case, two sides of the air pump case are symmetrically provided with heat dissipation ports, the upper ends of the two heat dissipation ports are provided with rain shields, and four vertex angles at the bottom of the air pump case are provided with first telescopic supporting legs one by one; the rear end of air pump machine case is equipped with the gas collection barreled, the upper end of gas collection barreled articulates there is the upset lid, the upset is covered and is equipped with the release pipeline subassembly, just the bottom of gas collection barreled is equipped with the flexible supporting leg of second one by one.

Furthermore, the front end of the square connecting plate is provided with a sealing gasket, the periphery of the square connecting plate surrounding the square bump is provided with fixing holes one by one, and the fixing holes penetrate through the sealing gasket and extend to the rear end of the square connecting plate.

Furthermore, two it penetrates in proper order to bleed filter and two filter of admitting air square lug the square connecting plate extends to airtight protection box in-connection has the check valve of bleeding and the check valve of admitting air.

Further, airtight protection box's upper end is equipped with first atmospheric pressure and detects the sensor, just first atmospheric pressure detects the sensor and runs through airtight protection box's casing extends to airtight protection box's inside and two it is connected to bleed the filter piece.

Furthermore, a first air pump and a second air pump are respectively arranged inside the air pump case, and air inlet ends of the first air pump and the second air pump are connected with the air suction one-way valve and the air inlet one-way valve through pipelines.

Furthermore, the inside of gas collection bucket device is equipped with annular support frame, annular support frame's lower extreme is equipped with annular lug, just annular support frame's bottom with the upper end contact of annular lug is but not fixed.

Furthermore, the annular support frame is sequentially provided with an annular activated carbon filter plate, an annular micro-dust particle filter plate and an annular dust separation filter plate from top to bottom, and the outer side wall of the annular support frame is in contact with but not fixed with the inner wall of the gas collection barrel device.

Furthermore, the pressure relief pipeline assembly penetrates through the shell of the turnover cover and extends to the inside of the air collection barrel device, a pressure relief check valve is connected to the inside of the pressure relief check valve, a filter screen is arranged at the air inlet end of the pressure relief check valve, a second air pressure detection sensor is connected to one side of the air inlet end of the pressure relief check valve, and the second air pressure detection sensor penetrates through the shell of the air collection barrel device and extends to the outside of the air collection barrel device.

Furthermore, the air outlet ends of the first air pump and the second air pump are connected with the air collecting barrel device through pipelines, and the air outlet end pipeline of the first air pump penetrates through the shell of the air collecting barrel device and extends to the lower end of the annular dust blocking filter plate; and the air outlet end pipeline of the second air pump penetrates through the shell of the air collecting barrel device and extends to the upper end of the annular active carbon filter plate.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, a square connecting plate on an air discharging switch device is fixed on an air chamber disc groove, good sealing performance is kept by using a sealing gasket, air leakage is prevented, then air pressure detection is carried out through a first air pressure detection sensor, the air pressure in the air chamber is monitored in real time, the phenomenon that equipment works due to the fact that the air pressure is too large or too small is prevented, when a conveying device needs to discharge air, the air in the air chamber is rapidly pumped into an air collecting barrel device by starting a first air pump and matching two air pumping filter pieces and an air pumping one-way valve until the air pressure reaches a proper condition, the phenomenon of local bulge of a conveying belt is rapidly solved, conveying materials are prevented from being spilled due to the local bulge of the conveying belt, and the conveying belt is protected from being deformed and broken due to the local bulge;

secondly, the extracted gas can be temporarily stored through the gas collecting barrel device, when the conveying device needs to supplement the gas, the second air pump is started to be matched with the two air inlet filtering pieces and the air inlet one-way valve to rapidly supplement the gas to the conveying device, the working frequency of the air inlet fan is effectively reduced, the working energy consumption is reduced, the filter screen of the air inlet fan is less in contact with the external air, and the air inlet fan is kept in a clean state for a long time, so that the cleaning times of workers are reduced;

the third, through the annular active carbon filter in the gas collection bucket device, annular micronic dust granule filter and annular dust separation filter, the gas that will extract the income carries out meticulous filtration and deodorization from the lower extreme in the bucket to the upper end, make the gas that supplies conveyor have better cleanliness factor, and the gas pressure in the gas collection bucket device passes through the real-time supervision of second atmospheric pressure detection sensor, utilize the release check valve in the release pipeline subassembly to discharge away the clean gas after filtering when the needs release, the effect of optimizing has been produced to the outside air.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the air-discharge switch device of the present invention;

FIG. 3 is a sectional view of the internal structure of the air-discharge switch device of the present invention;

fig. 4 is a sectional view of the internal structure of the air pump case of the present invention;

fig. 5 is a cross-sectional view of the internal structure of the gas collecting barrel device of the utility model.

Reference numerals: 1-air-release switch device, 11-square connecting plate, 11 a-square bump, 11 a-1-air-suction filter element, 11 a-2-air-suction filter element, 11 b-fixed hole, 11 c-sealing gasket, 12-closed protection box, 12 a-air-suction one-way valve, 12 b-air-suction one-way valve, 12 c-first air pressure detection sensor, 2-air pump case, 2 a-first air suction pump, 2 b-second air suction pump, 21-heat dissipation port, 22-first telescopic supporting leg, 23-rain shield, 3-air-collecting barrel device, 3 a-annular bump, 31-turnover cover, 32-second telescopic supporting leg, 33-pressure-relief pipeline component, 33 a-filter screen, 33 b-pressure-relief one-way valve, 34-an annular support frame, 34 a-an annular activated carbon filter plate, 34 b-an annular micro dust particle filter plate, 34 c-an annular dust separation filter plate and 35-a second air pressure detection sensor.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 again, the air discharging device for avoiding local protrusion of the conveyor belt comprises an air discharging switch device 1, a square connecting plate 11 is arranged at the front end of the air discharging switch device 1, a square bump 11a is arranged on the square connecting plate 11, two air-extracting filter pieces 11a-1 are arranged on the square bump 11a, and two air-inlet filter pieces 11a-2 are arranged at the lower ends of the two air-extracting filter pieces 11 a-1. The rear end of the air discharge switch device 1 is connected with an airtight protection box 12, the lower end of the airtight protection box 12 is provided with an air pump case 2, the bilateral symmetry of the air pump case 2 is provided with heat dissipation ports 21, two the upper ends of the heat dissipation ports 21 are provided with rain shields 23, and four vertex angles at the bottom of the air pump case 2 are provided with first telescopic supporting legs 22 one by one. The rear end of air pump machine case 2 is equipped with gas collection bucket device 3, the upper end of gas collection bucket device 3 articulates there is flip lid 31, be equipped with release pipeline subassembly 33 on the flip lid 31, just the bottom of gas collection bucket device 3 is equipped with second telescopic support leg 32 one by one.

Please refer to fig. 2 again, a sealing gasket 11c is disposed at the front end of the square connecting plate 11, fixing holes 11b are disposed on the square connecting plate 11 one by one around the outer periphery of the square protrusion 11a, and the fixing holes 11b extend through the sealing gasket 11c to the rear end of the square connecting plate 11. In this embodiment, the bolt fastening with the air chamber disk groove is realized by the fastening hole 11b of the square connecting plate 11, and the occurrence of the air leakage phenomenon is prevented by the gasket 11 c.

Please refer to fig. 3 again, two air-extracting filtering pieces 11a-1 and two air-intake filtering pieces 11a-2 sequentially penetrate through the square projection 11a and the square connecting plate 11 and extend to the inside of the airtight protection box 12 to connect with an air-extracting one-way valve 12a and an air-intake one-way valve 12 b. In the present embodiment, the gas conversion of the plenum tray and the collector barrel arrangement is achieved by the bleed check valve 12a and the intake check valve 12 b.

Referring to fig. 3 again, the upper end of the sealed protection box 12 is provided with a first air pressure detecting sensor 12c, and the first air pressure detecting sensor 12c penetrates through the housing of the sealed protection box 12 and extends into the sealed protection box 12 to be connected with the two air-extracting filtering components 11 a-1. In this embodiment, the first air pressure detection sensor 12c on the airtight protection box 12 detects the air pressure in the air chamber tray.

Please refer to fig. 5 again, an annular support frame 34 is disposed inside the gas collecting barrel device 3, an annular protrusion 3a is disposed at a lower end of the annular support frame 34, and a bottom of the annular support frame 34 is in contact with but not fixed to an upper end of the annular protrusion 3 a. The annular support frame 34 is sequentially provided with an annular activated carbon filter plate 34a, an annular micro-dust particle filter plate 34b and an annular dust separation filter plate 34c from top to bottom, and the outer side wall of the annular support frame 34 is in contact with but not fixed with the inner wall of the gas collecting barrel device 3. In this embodiment, the annular support frame 34 is supported by the annular projection 3a, so that the annular activated carbon filter plate 34a, the annular fine dust particle filter plate 34b and the annular dust blocking filter plate 34c on the annular support frame 34 can perform stable filtering operation, and by using the characteristic that the annular support frame 34 is only in contact with but not fixed to the inner wall of the annular projection 3a and the air collecting bucket device 3, better convenience can be brought to replacement of the annular activated carbon filter plate 34a, the annular fine dust particle filter plate 34b and the annular dust blocking filter plate 34 c.

Referring to fig. 5 again, the pressure relief pipeline assembly 33 extends through the housing of the flip cover 31 to the inside of the air collecting bucket device 3 and is connected with a pressure relief check valve 33b, a filter screen 33a is disposed at an air inlet end of the pressure relief check valve 33b, a second air pressure detecting sensor 35 is connected to one side of the air inlet end of the pressure relief check valve 33b, and the second air pressure detecting sensor 35 extends through the housing of the air collecting bucket device 3 to the outside of the air collecting bucket device 3. In the present embodiment, the second air pressure detection sensor 35 monitors the internal air pressure of the air collecting barrel device 3 in real time, and opens the pressure relief check valve 33b in the pressure relief pipeline assembly 33 for rapid pressure relief.

Please refer to fig. 1 to 5, a first air pump 2a and a second air pump 2b are respectively disposed inside the air pump case 2, air inlet ends of the first air pump 2a and the second air pump 2b are connected to the air exhaust check valve 12a and the air inlet check valve 12b through pipes, air outlet ends of the first air pump 2a and the second air pump 2b are connected to the air collecting barrel device 3 through pipes, and an air outlet end pipe of the first air pump 2a extends to a lower end of the annular dust blocking filter plate 34c through a casing of the air collecting barrel device 3. The air outlet pipeline of the second air pump 2b penetrates through the shell of the air collecting barrel device 3 and extends to the upper end of the annular activated carbon filter plate 34 a. In this embodiment, the gas discharging operation in the gas chamber tray groove is realized by the sequential process of the gas-discharging one-way valve 12a, the first air-extracting pump 2a and the gas-collecting barrel device 3 during the gas discharging, and the gas supplementing operation in the gas chamber tray groove is realized by the sequential process of the gas-collecting barrel device 3, the second air-extracting pump 2b and the gas-inlet one-way valve 12 b.

The utility model discloses a concrete operation as follows:

firstly, the air chamber disk slot is connected to a conveying device through an air discharging switch device 1, then when air discharging is needed, a first air pump 2a is started to enable air to enter an air discharging one-way valve 12a through two air discharging filtering pieces 11a-1, then the air discharging one-way valve 12a is connected to the air inlet end of the first air pump 2a through a guide pipe, then the air outlet end of the first air pump 2a is connected to the lower end inside the air collecting barrel device 3, then the air is filtered and purified through an annular active carbon filtering plate 34a, an annular tiny dust particle filtering plate 34b and an annular dust blocking filtering plate 34c, so that the air at the upper end inside the air collecting barrel device 3 is relatively clean, then when the air chamber disk slot needs air charging, a second air pump 2b is started to preferentially convey the air inside the air collecting barrel device 3 to the air inlet one-way valve 12b, and then the air is conveyed to the air chamber disk slot through the air inlet filtering pieces 11a-, if the gas is not supplemented enough, the air is supplemented by the air inlet fan of the conveying device;

when the second air pressure detecting sensor 35 on the air collecting barrel device 3 detects that the air pressure in the air collecting barrel device 3 is too high, the pressure relief check valve 33b on the pressure relief pipeline assembly 33 is opened, and then the air is discharged to the outside air, and the operation is stopped until the second air pressure detecting sensor 35 detects that the air pressure in the air collecting barrel device 3 is normal.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims (9)

1. The utility model provides an avoid local bellied gas discharging device of conveyer belt, is including gas discharging switching device (1), its characterized in that: the front end of the air discharging switch device (1) is provided with a square connecting plate (11), the square connecting plate (11) is provided with a square bump (11a), the square bump (11a) is provided with two air-extracting filter pieces (11a-1), and the lower ends of the two air-extracting filter pieces (11a-1) are provided with two air-inlet filter pieces (11 a-2);

the rear end of the air discharge switch device (1) is connected with a sealed protection box (12), the lower end of the sealed protection box (12) is provided with an air pump case (2), two sides of the air pump case (2) are symmetrically provided with heat dissipation ports (21), the upper ends of the two heat dissipation ports (21) are provided with rain shields (23), and four top corners of the bottom of the air pump case (2) are provided with first telescopic support legs (22) one by one;

the rear end of air pump machine case (2) is equipped with air collection bucket device (3), the upper end of air collection bucket device (3) articulates there is flip lid (31), be equipped with release pipeline subassembly (33) on flip lid (31), just the bottom of air collection bucket device (3) is equipped with second telescopic support leg (32) one by one.

2. The gas unloading device for avoiding the local bulge of the conveying belt according to claim 1, characterized in that: the front end of square connecting plate (11) is equipped with sealed pad (11c), just surround on square connecting plate (11) the peripheral of square convex block (11a) is equipped with fixed hole (11b) one by one, and is a plurality of fixed hole (11b) all run through sealed pad (11c) extend to the rear end of square connecting plate (11).

3. An air discharging device for avoiding local bulge of a conveying belt according to claim 2, characterized in that: two it penetrates in proper order to bleed filter piece (11a-1) and two filter pieces of admitting air (11a-2) square lug (11a), square connecting plate (11) extend to airtight protection box (12) in-connection bleed check valve (12a) and admit air check valve (12 b).

4. An air discharging device for avoiding local bulge of a conveying belt according to claim 3, characterized in that: the upper end of the airtight protection box (12) is provided with a first air pressure detection sensor (12c), and the first air pressure detection sensor (12c) penetrates through the shell of the airtight protection box (12) and extends to the inside of the airtight protection box (12) and is connected with the two air pumping filtering pieces (11 a-1).

5. An air discharging device for avoiding local bulge of a conveying belt according to claim 4, characterized in that: the air pump is characterized in that a first air pump (2a) and a second air pump (2b) are respectively arranged in the air pump case (2), and air inlet ends of the first air pump (2a) and the second air pump (2b) are connected with the air suction one-way valve (12a) and the air inlet one-way valve (12b) through pipelines.

6. An air discharging device for avoiding local bulge of a conveying belt according to claim 5, characterized in that: the gas collecting barrel device is characterized in that an annular supporting frame (34) is arranged inside the gas collecting barrel device (3), an annular convex block (3a) is arranged at the lower end of the annular supporting frame (34), and the bottom of the annular supporting frame (34) is in contact with the upper end of the annular convex block (3a) but is not fixed.

7. An air discharging device for avoiding local bulge of a conveying belt according to claim 6, characterized in that: the annular support frame (34) is equipped with annular active carbon filter (34a), annular micronic dust granule filter (34b) and annular dust separation filter (34c) from the top down in proper order, just the lateral wall of annular support frame (34) with the inner wall contact of gas collection bucket device (3) is but not fixed.

8. An air discharging device for avoiding local bulge of a conveying belt according to claim 7, characterized in that: pressure relief pipeline subassembly (33) run through the casing of flip lid (31) extends to the internal connection of air collection bucket device (3) has pressure relief check valve (33b), the inlet end of pressure relief check valve (33b) is equipped with filter screen (33a), just one side of pressure relief check valve (33b) inlet end is connected with second atmospheric pressure and detects sensor (35), second atmospheric pressure detects sensor (35) and runs through the casing of air collection bucket device (3) extends to the outside of air collection bucket device (3).

9. An air discharging device for avoiding local bulge of a conveying belt according to claim 8, characterized in that: the air outlet ends of the first air pump (2a) and the second air pump (2b) are connected with the air collecting barrel device (3) through pipelines, and the air outlet end pipeline of the first air pump (2a) penetrates through the shell of the air collecting barrel device (3) and extends to the lower end of the annular dust blocking filter plate (34 c);

and an air outlet end pipeline of the second air pump (2b) penetrates through the shell of the air collection barrel device (3) and extends to the upper end of the annular active carbon filter plate (34 a).

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