CN219012614U

CN219012614U - Dust collector and entry driving machine of entry driving machine

Info

Publication number: CN219012614U
Application number: CN202320005704.2U
Authority: CN
Inventors: 闫东; 郭志国; 石军安
Original assignee: Shanghai Meike Information Technology Co ltd
Current assignee: Shanghai Meike Information Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-05-12
Anticipated expiration: 2033-01-03

Abstract

The utility model provides a dust removing device of a heading machine, which comprises a dust removing main machine, a plurality of ventilators and a plurality of negative pressure air cylinders, wherein the dust removing main machine is positioned at the side part of the heading machine; the ventilators are respectively arranged on the side surfaces of the head part, the middle part and the tail part of the heading machine, and each ventilator is connected with the dust removing host machine through a negative pressure air cylinder; the dust removing host is positioned at the tail part of the heading machine and comprises a dust removing fan and a wet type filtering device, and the wet type filtering device is arranged at an air outlet of the dust removing fan; the wet type filtering device comprises a water tank, a hollow frame body and a filter screen, wherein a plurality of water holes are formed in the bottom end of the water tank, the hollow frame body is arranged at the bottom of the water tank and surrounds the water holes, and the filter screen is arranged in the hollow frame body. The dust-removing coverage is wide, the dust-removing quality is good, the dust-removing efficiency is high, the dust-removing occupied area is small, and the dust-removing power consumption and the cost are low. The utility model further provides the heading machine comprising the dust removing device of the heading machine.

Description

Dust collector and entry driving machine of entry driving machine

Technical Field

The utility model relates to the field of tunneling equipment, in particular to a dust removing device of a tunneling machine and the tunneling machine.

Background

Along with the rising price of energy sources such as petroleum, natural gas and the like, coal becomes a popular energy source, the demand is huge, the rapid development of the coal mining industry is stimulated, and the demand of a coal mine heading machine is further increased.

Heading machines (boringmachines) are machines used to excavate roadways straight from the ground. The heading machine is divided into a common machine and a Tunnel Boring Machine (TBM) according to the operation objects; the working mode is divided into an open type heading machine and a shield type heading machine.

In the prior art, the dust removing device of the heading machine has the following defects:

(1) The dust is removed by a single dust removing device, the dust removing device is only arranged near the digging point, the dust at the rear and the side of the heading machine cannot be removed, the dust is not removed thoroughly, and the dust removing efficiency is low;

(2) A plurality of dust collectors are arranged around the heading machine, so that the dust collection efficiency and the dust collection quality are improved, but the dust collectors occupy a large amount of mine hole area, and the power consumption and the cost of the dust collectors are relatively high.

Disclosure of Invention

In order to overcome the technical defects, the utility model aims to provide the dust removing device of the heading machine and the heading machine, which have wide dust removing coverage, good dust removing quality, high dust removing efficiency, small dust removing occupied area and low dust removing power consumption and cost.

The utility model discloses a dust removing device of a heading machine and the heading machine, which comprise a dust removing main machine, a plurality of ventilators and a plurality of negative pressure air cylinders, wherein the dust removing main machine is positioned at the side part of the heading machine;

the ventilators are respectively arranged on the side surfaces of the head part, the middle part and the tail part of the heading machine, and each ventilator is connected with the dust removing host machine through a negative pressure air duct;

the dust removing host is positioned at the tail part of the heading machine and comprises a shell, a dust removing fan and a wet type filtering device, wherein the dust removing fan and the wet type filtering device are arranged in the shell, and the wet type filtering device is arranged at an air outlet of the dust removing fan;

the wet type filtering device comprises a water tank, a hollow frame body and a filter screen, wherein a plurality of water holes are formed in the bottom end of the water tank, the hollow frame body is arranged at the bottom of the water tank and surrounds the water holes, and the filter screen is arranged in the hollow frame body.

Preferably, the dust removing device of the heading machine further comprises a discharging device, the discharging device comprises a sewage pump and a sewage pipeline, the sewage pump and the sewage pipeline are arranged at the bottom end of the side part of the hollow frame body, and the sewage pump is connected with the hollow frame body through the sewage pipeline.

Preferably, the dust removing device of the heading machine further comprises a water retaining device arranged between the hollowed-out frame and the dust removing fan.

Preferably, a baffle is arranged in the shell, one side of the baffle is connected with an air inlet of the dust removing fan through a sealing pipeline, a dust inlet cavity is formed by the other side of the baffle and the inner wall of the shell, a sealing pipeline is arranged on the baffle, and the sealing pipeline is communicated with the air inlet of the dust removing fan and the dust inlet cavity;

the side part of the shell is communicated with the dust inlet cavity through a plurality of dust inlet channels, and each dust inlet channel is connected with the negative pressure air duct.

Preferably, the negative pressure air duct is a telescopic deformable air duct.

Preferably, the dust removing device of the heading machine further comprises a plurality of movable fixed vehicles, the bottom end of the casing is provided with the movable fixed vehicles, the bottom end of each ventilator is provided with one movable fixed vehicle, each movable fixed vehicle comprises a vehicle body, a displacement device and a fixing device, the displacement device and the fixing device are arranged on the vehicle body, and the fixing device is connected with the displacement device.

The utility model also provides a heading machine, which comprises the dust removing device of the heading machine.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:

1. the ventilator is respectively arranged on the side surfaces of the head part, the middle part and the tail part of the tunneling machine, dust is removed at a plurality of positions of the tunneling machine, the dust removing coverage is wide, and the dust removing efficiency is high;

2. the dust removing host is respectively connected with a plurality of ventilators through a plurality of negative pressure air barrels, so that the occupied area of a plurality of dust removing devices is avoided, and the occupied area, the cost and the power consumption are saved;

3. the wet type filtering device comprises a water tank, a hollowed-out frame body and a filter screen, is simple in structure, can complete wetting and purifying of dust in a coal mine hole, avoids pollution caused by dust discharge, can avoid diffusion of the dust at the mine hole and an inlet of the mine hole to a certain extent, improves dust removal quality, and enables subsequent treatment of dust removal to be more environment-friendly.

Drawings

FIG. 1 is a schematic diagram of a dust collector of a heading machine of the present utility model;

FIG. 2 is a schematic view of a wet filter apparatus according to the present utility model;

fig. 3 is a schematic view of a part of the internal structure of the casing according to the present utility model.

Reference numerals: 1-a ventilator; 2-a negative pressure air duct;

3-a housing; 30-a dust inlet cavity; 31-a separator; 32-a dust inlet channel; 33-a water blocking device; 34-a sink; 35-sealing the pipeline;

4-a dust removal fan; 41-boss; 5-wet filtration device;

6-a water tank; 61-water holes; 62-a water supplementing pump;

7-hollowed-out frame body; 8-a filter screen;

9-a discharge device; 91-a sewage pump; 92-sewage pipeline; 93-a discharge pipe; 94-a liquid level sensor; 95-a control module; 96-a dredge pump controller;

10-moving a fixed vehicle; 11-heading machine.

Detailed Description

Advantages of the utility model are further illustrated in the following description, taken in conjunction with the accompanying drawings and detailed description.

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a dust extraction device of a heading machine and heading machine", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present utility model, and are not of specific significance per se. Thus, "module" and "component" may be used in combination.

The utility model discloses a dust removing device of a heading machine, which is hereinafter referred to as a dust removing device. Referring to fig. 1, the dust removing device comprises a dust removing main machine, a plurality of ventilators 1 and a plurality of negative pressure air cylinders 2, wherein the dust removing main machine is positioned at the side part of the heading machine;

a plurality of ventilators 1 are respectively arranged on the side surfaces of the head part, the middle part and the tail part of the heading machine 11, and each ventilator 1 is connected with the dust removing main machine through a negative pressure air cylinder 2;

the dust removing host is positioned at the tail part of the heading machine and comprises a shell 3, a dust removing fan 4 and a wet type filtering device 5, wherein the dust removing fan 4 and the wet type filtering device 5 are arranged in the shell 3, and the wet type filtering device 5 is arranged at an air outlet of the dust removing fan 4;

in some embodiments, the negative pressure wind drum 2 is internally provided with the dust removing fan 4 to generate negative pressure, the ventilator 1 supplies power to blow dust-containing air flow to the negative pressure wind drum 2, so that dust is conveyed to the dust removing fan 4, dust is removed through the cooperation of the dust removing fan 4, the negative pressure wind drum 2 and the ventilator 1, and dust removal capability and dust removal efficiency are improved.

In some embodiments, the ventilator 1 is a mining explosion-proof extraction axial flow ventilator 1.

Referring to fig. 1 and 2, the wet filter device 5 includes a water tank 6, a hollow frame 7 and a filter screen 8, a plurality of water holes 61 are provided at the bottom of the water tank 6, the hollow frame 7 is provided at the bottom of the water tank 6 and surrounds the plurality of water holes 61, and the filter screen 8 is mounted inside the hollow frame 7.

In some embodiments, the side surface of the hollow frame body 7 opposite to the filter screen 8 is provided with a hollow hole, and the aperture of the hollow hole is larger than that of the filter screen 8, so that dust can enter and pass through the hollow hole to be filtered in a wet mode through the filter screen 8.

In some embodiments, the plurality of water holes 61 are distributed in a rectangular shape or a straight shape at the bottom end of the water tank 6, the hollow frame 7 is in a U shape, the openings at the top end of the hollow frame 7 are connected with all the water holes 61, water flowing out of the water holes 61 conveniently flows in the hollow frame 7 and forms a water curtain, and the water curtain is convenient for wetting smoke dust conveyed by the dust removing fan 4, so that smoke diffusion is reduced, secondary smoke pollution caused by subsequent treatment is avoided, and the environmental protection degree of the dust removing device is improved.

In some embodiments, referring to fig. 2, a water supplementing pump 62, a water level detecting device and a control device are arranged inside the water tank 6, and the water supplementing pump 62 is connected with a fresh water source through a water supplementing pipe. When the water level detection device detects that the water level is lower than the preset water level threshold, the control device controls the water supplementing pump 62 to be started, and after the water supplementing pump 62 is started, water of a clean water source is conveyed to the inside of the water tank 6, so that enough water pressure in the water tank 6 is ensured, water automatically flows out of the water hole 61 under the action of the water pressure, a water curtain is formed in the hollow frame 7, and the effect of wetting and purifying smoke dust is achieved.

In some embodiments, the control device is a single-chip microcomputer and the water level detection device is a liquid level sensor 94.

As a preferred embodiment of the present utility model, referring to fig. 1, a partition plate 31 is disposed in the casing 3, one side of the partition plate 31 is connected to the air inlet of the dust removing fan 4 through a sealing pipeline 35, the other side of the partition plate 31 and the inner wall of the casing 3 form a dust inlet cavity 30, and the sealing pipeline 35 is communicated with the air inlet of the dust removing fan 4 and the dust inlet cavity 30;

the side part of the casing 3 is communicated with the dust inlet cavity 30 through a plurality of dust inlet channels 32, and each dust inlet channel 32 is connected with the negative pressure air duct 2. The number requirement on the dust removal fans 4 is reduced, the dust removal cost, the dust removal power consumption and the dust removal occupied area are reduced under the condition of ensuring the dust removal coverage, and the dust removal efficiency and the dust removal range are improved.

In some embodiments, the dust inlet channel 32 is in sealing connection with one end of the negative pressure air duct 2, one end of the downwind of the ventilator 1 is in sealing connection with the other end of the negative pressure air duct 2, so that the tightness of the dust removing system is ensured, and secondary pollution caused by leakage of dust to a mine hole in the dust removing device is avoided.

As a preferred embodiment of the present utility model, the negative pressure air duct 2 is a telescopic deformable air duct. The position of each ventilator 1 is conveniently adjusted to improve dust removal coverage and dust removal range.

In some embodiments, the negative pressure air duct 2 adopts a framework flame-retardant air duct with the model of FTF5800 multiplied by 100 multiplied by 5, has good toughness, strong tensile capacity and good flame-retardant capacity, avoids damage to the negative pressure air duct 2 caused by overhigh temperature of dust in a coal mine, and ensures the quality and tightness of the negative pressure air duct 2.

As a preferred embodiment of the present utility model, referring to fig. 1, the dust removing device of the heading machine further includes a discharge device 9, the discharge device 9 includes a sewage pump 91 and a sewage pipe 92 disposed at a bottom end of a side portion of the hollow frame 7, and the sewage pump 91 is connected to the hollow frame 7 through the sewage pipe 92.

As a preferred embodiment of the present utility model, referring to fig. 1, the dust removing device of the heading machine further includes a water blocking device 33 disposed between the hollow frame and the dust removing fan 4. Avoid the water to splash to the dust removal fan 4, guarantee dust collection capacity and dust collection efficiency of dust removal fan 4.

In some embodiments, referring to fig. 3, the water blocking device 33 is a water blocking plate disposed at the bottom of the inner wall of the casing 1, and the top surface of the water blocking plate is lower than the lowest point of the air outlet of the dust removing fan 4, and the air outlet of the dust removing fan 4 is provided with a boss 41, and the boss 41 is located above the water blocking device 33 and covers the water blocking device 33, so that dust is prevented from accumulating between the water blocking device 33 and the dust removing fan 4, and dust is guaranteed to enter the wet filter device 5 from the dust removing fan 4.

In some embodiments, referring to fig. 1, a water tank 34 is disposed at the bottom end of the casing 3, and the water tank 34 is connected to an end of the hollow frame 7 away from the dust removing fan 4 through a sewage pipe 92. The inner wall of the water tank 34 has a lower bottom surface level than the bottom surfaces of the sewage pipe 92 and the hollow frame 7, so that sewage can automatically flow into the water tank 34 under the action of gravity. The sewage pump 91 is disposed at the bottom end of the water tank 34, the output end of the sewage pump 91 is connected with the discharge pipe 93, and one end of the discharge pipe 93 is connected with a sewage designated discharge point, such as a sewage treatment point in a coal mine tunnel.

In some embodiments, to avoid idle rotation of the waste pump 91, referring to fig. 1, a liquid level sensor 94 is disposed within the tank 34, the liquid level sensor 94 is connected to a control module 95, and the control module 95 is connected to the waste pump 91 via a waste pump controller 96. When the liquid level detected by the liquid level sensor 94 is greater than a preset first sewage liquid level threshold value, the control module 95 transmits a starting control instruction to the sewage pump controller 96, so that the sewage pump controller 96 controls the sewage pump 91 to start and drain sewage in the water tank 34; when the liquid level detected by the liquid level sensor 94 is smaller than a preset second sewage liquid level threshold value, the control module 95 transmits a control instruction for suspending sewage to the sewage pump controller 96, so that the sewage pump controller 96 controls the sewage pump 91 to stop or sleep, at the moment, the sewage pump 91 is not discharging sewage outwards, and when the liquid level detected by the liquid level sensor 94 is larger than the first sewage liquid level threshold value, sewage discharge is started again, so that the sewage discharge efficiency is ensured, the power consumption of the sewage pump 91 is saved, the idle running of the sewage pump 91 is avoided, and the service life of the sewage pump 91 is ensured;

in some embodiments, the second sewage level threshold is less than the first sewage level threshold, and the level height of the first sewage level threshold is greater than or equal to the height of the top end of the sewage input port of the sewage pump 91 relative to the bottom surface of the inner wall of the tank 34; the liquid level of the second sewage level threshold is not less than the height of the bottom end of the sewage input port of the sewage pump 91 with respect to the bottom surface of the inner wall of the water tank 34.

In some embodiments, the control module 95 is a single-chip microcomputer.

As a preferred embodiment of the present utility model, referring to fig. 1, the dust removing device of the heading machine further includes a plurality of mobile fixing vehicles 10, the mobile fixing vehicles 10 are disposed at the bottom end of the casing 3, one mobile fixing vehicle 10 is disposed at the bottom end of each ventilator 1, and the mobile fixing vehicle includes a vehicle body, a displacement device and a fixing device disposed on the vehicle body, and the fixing device is connected to the displacement device.

In some embodiments, the displacement device comprises a running wheel or a running track driven by a motor, and the securing device comprises a brake device. When the position of the dust removing device is required to be transferred or recovered, the motor is controlled to start so that the traveling wheels or the traveling caterpillar tracks act, and the vehicle body is moved to a designated position; when the dust collector needs to be fixed, the brake device is used for braking, so that the stability of the traveling wheels or the traveling caterpillar tracks is guaranteed, the vehicle body is fixed, and the dust collector is fixed. Flexible operation, convenience and reliability.

In some embodiments, the mobile stationary cart is fixed in a position that does not block the heading machine from performing heading, coal cutting, and anchor drilling operations. If a certain ventilator 1 or dust removing fan 4 obstructs the tunneling operation, coal cutting operation or anchor drilling operation of the tunneling machine, the ventilator 1 or dust removing fan 4 is moved by the movable fixed vehicle so as to enable the tunneling machine to perform smooth operation.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

It should be noted that the embodiments of the present utility model are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present utility model, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present utility model still falls within the scope of the technical scope of the present utility model.

Claims

1. The dust removing device of the heading machine is characterized by comprising a dust removing main machine, a plurality of ventilators and a plurality of negative pressure air cylinders, wherein the dust removing main machine is positioned at the side part of the heading machine;

2. The dust remover for heading machine as recited in claim 1, further comprising a discharge device including a sewage pump and a sewage pipe disposed at the bottom end of the side portion of the hollow frame, wherein the sewage pump is connected to the hollow frame through the sewage pipe.

3. The dust removing device of the heading machine of claim 2, further comprising a water blocking device arranged between the hollowed-out frame and the dust removing fan.

4. The dust removing device of the heading machine according to claim 1, wherein a partition plate is arranged in the machine shell, one side of the partition plate is connected with an air inlet of the dust removing fan through a sealing pipeline, a dust inlet cavity is formed by the other side of the partition plate and the inner wall of the machine shell, and the partition plate is provided with a sealing pipeline which is communicated with the air inlet of the dust removing fan and the dust inlet cavity;

5. The dust collector of a heading machine as recited in claim 4, wherein said negative pressure air duct is a telescoping deformable air duct.

6. The dust collector of heading machine of claim 1, further comprising a plurality of mobile stationary vehicles, wherein the mobile stationary vehicles are disposed at the bottom ends of the housing, one mobile stationary vehicle is disposed at each of the bottom ends of the ventilators, the mobile stationary vehicles comprise a vehicle body, and a displacement device and a fixing device disposed on the vehicle body, and the fixing device is connected to the displacement device.

7. A heading machine comprising a dust extraction device as claimed in any one of claims 1 to 6.