CN215256294U

CN215256294U - Dust collector for tunnel engineering

Info

Publication number: CN215256294U
Application number: CN202022799971.0U
Authority: CN
Inventors: 欧阳艳春; 翟奕衡
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-12-21
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses a dust removing device for tunnel engineering, which comprises a bottom plate, wherein a dust removing shell is arranged above the upper surface of the bottom plate, the dust removing shell comprises a bottom cylinder, the bottom cylinder is a cavity with an open end surface, the bottom cylinder is semicircular, a middle cylinder is arranged on one end face of the bottom cylinder, the middle cylinder is a hollow cavity with two open end faces, the middle cylinder is cylindrical, one end face of the middle cylinder is provided with a top cylinder, the top cylinder is a hollow cavity with two open end faces, but the setting of handle person of facilitating the use carries out the push-and-pull to the device, the setting of hand protector pad is compliance when can improving user push-and-pull handle, and travelling comfort when reinforcing device uses, four the setting of braking universal wheel can make the device remove or settle, improves the convenience that the device used, the utility model discloses simple structure, convenient operation, the practicality is strong, can use widely.

Description

Dust collector for tunnel engineering

Technical Field

The utility model relates to a dust removal technical field, concrete field is a dust collector for tunnel engineering.

Background

The tunnel is an engineering building buried in a bottom layer, is a form of utilizing underground space by human beings, and can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and the like. The tunnel structure comprises a main building and accessory equipment, wherein the main building is composed of a tunnel body and a tunnel door, the accessory equipment comprises a vehicle avoiding tunnel, a fire fighting facility, an emergency communication facility and a waterproof and drainage facility, and the tunnel with the length of a single tunnel being more than 10km, namely a long tunnel, can be also provided with ventilation and lighting equipment.

In the actual work progress of tunnel building site, generally can cause dust to fly upward, makes building site dust, raise dust pollute seriously, especially on the on-the-spot temporary road of tunnel building site, construction vehicle frequently advances out, makes tunnel building site dust pollute seriously more. The existing dust removal mode is mostly manual watering, the dust removal effect is poor due to the instability of manual operation, and the threat to the human health of people is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collector for tunnel engineering to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dust removal device for tunnel engineering comprises a bottom plate, wherein a dust removal shell is arranged above the upper surface of the bottom plate and comprises a bottom barrel, the bottom barrel is a cavity with an open end face and is semicircular, a middle barrel is arranged on one end face of the bottom barrel and is a hollow cavity with open end faces, the middle barrel is cylindrical, a top barrel is arranged on one end face of the middle barrel and is a hollow cavity with open end faces, the top barrel is a truncated cone-shaped hollow cavity, a connecting barrel is arranged on one end face of the top barrel and is a hollow cavity with open end faces, the connecting barrel is cylindrical, a suction barrel is arranged on one end face of the connecting barrel and is a hollow cavity with open end faces, the suction barrel is a truncated cone-shaped hollow cavity, an exhaust fan is arranged inside the connecting barrel, a transmission rod is arranged inside the top barrel, one end face of the transmission rod is embedded into the side wall of the front part in the top barrel, the other end face of the transmission rod is embedded into the side wall of the rear part in the top barrel, a ring plate is sleeved on the outer side wall of the transmission rod, a plurality of barrier plates are uniformly distributed on the outer side wall of the ring plate, a filter screen is arranged in the middle barrel, a fixing sleeve is sleeved on the outer side wall of the middle barrel, a support rod is arranged on the outer side wall of the lower part of the fixing sleeve, one end face of the support rod is connected with the upper surface of the bottom plate, a first collecting box and a second collecting box are arranged on the upper surface of the bottom plate, the first collecting box and the second collecting box are respectively positioned on two sides of the support rod, a first discharge pipe and a second discharge pipe are respectively penetrated through the inner side wall of the lower part of the middle barrel, the first discharge pipe is arranged close to the other end face of the top barrel, and the second discharge pipe is arranged close to one end face of the bottom barrel, one end face of the first discharging pipe is located inside the middle barrel, the other end face of the first discharging pipe extends to the inside of the first collecting box, one end face of the second discharging pipe is located inside the middle barrel, and the other end face of the second discharging pipe extends to the inside of the second collecting box.

Preferably, the upper surface of the bottom plate is provided with a water tank and a pump, the upper surface of the water tank is provided with a cover plate, an output pipe penetrates through the upper surface of the cover plate, one end face of the output pipe is positioned in the water tank, one end face of the output pipe is close to the bottom surface of the water tank, the other end face of the output pipe is positioned outside the water tank, the other end face of the output pipe is connected with the input end of the pump, the output end of the pump is provided with an input pipe, a fixing pipe penetrates through the outer side wall of the upper part of the middle cylinder and is arranged close to one end face of the bottom cylinder, one end face of the fixing pipe is positioned in the middle cylinder, a nozzle is arranged on one end face of the fixing pipe, the other end face of the fixing pipe is positioned outside the middle cylinder, and the other end face of the fixing pipe is connected with one end face of the input pipe, and the input pipe is provided with an electromagnetic valve.

Preferably, be equipped with control panel on the anterior lateral wall of fixed cover, the air exhauster the pump machine with the solenoid valve respectively with control panel electric connection, control panel and power electric connection.

Preferably, the inner side wall of the lower part in the middle barrel is respectively paved with a first guide plate and a second guide plate which are matched with one end face of the first discharge pipe and one end face of the second discharge pipe, and the first guide plate and the second guide plate are respectively positioned on two sides of the filter screen.

Preferably, the upper surface of bottom plate is equipped with the handle, just the handle is close to a side setting of bottom plate, the cover is equipped with the hand protector pad on the handle.

Preferably, four braking universal wheels are uniformly distributed on the lower surface of the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: a dust collector for tunnel engineering, the setting of bottom plate can play the effect of support, the end section of thick bamboo is semi-circular, and this setting can play the effect that the direction flows, avoids dust or impurity to adhere to on the inside wall of end section of thick bamboo, well section of thick bamboo is cylindrical, and this setting can be convenient for install filter screen, first guide plate and second guide plate, the top section of thick bamboo is the round platform shape, and this setting can be convenient for dust removal shell to remove dust, and when outside area grain gas is taken into the top section of thick bamboo by the air exhauster suction, area grain gas gets into the inside of top section of thick bamboo with the form of high-speed flow, because the opening size of a top section of thick bamboo terminal surface to another terminal surface is bigger and bigger, makes area grain gas of high-speed flow slow down the velocity of motion under the effect of pressure, and bigger dirt grain and the area grain gas together are taken into the inside stone grain of dust removal shell can produce the separation with gas under the effect of gravity, and the solid is along the landing inside wall of lower part in the top section of thick bamboo, then the dust-removing shell is discharged from the interior of the dust-removing shell through the first discharging pipe, the connecting cylinder is cylindrical, the air exhauster can be conveniently installed, the top cylinder can be conveniently matched to remove dust of the gas with particles, the air exhauster can be conveniently matched to improve the flow velocity of the gas with particles entering the connecting cylinder, the dust-removing effect of the device is enhanced, the air exhauster is in a round table shape, the area of the air exhauster for extracting the gas with particles from the exterior can be improved, when the air exhauster extracts the gas with particles from the exterior, the moving space of the gas with particles is smaller and smaller due to the fact that the size of the opening of one end face of the air exhauster is smaller and smaller due to the fact that one end face of the air exhauster is smaller and smaller, when the gas with particles enters the connecting cylinder, the flow velocity of the gas with particles flowing through the interior of the connecting cylinder is enhanced under the effects of pressure and the air exhauster, the dust-removing efficiency of the device for removing dust of the exterior air is improved, the setting of the air exhauster can facilitate the extraction of the interior of the dust-removing shell for extracting the gas with particles from the exterior, the bearing is arranged on the transmission rod positioned in the side wall of the front part in the top cylinder, the bearing is arranged on the transmission rod positioned in the side wall of the rear part in the top cylinder, the transmission rod can conveniently rotate in the connecting cylinder due to the arrangement of the bearing, the plurality of barrier plates can be conveniently installed due to the arrangement of the ring plate, gas-solid separation of the gas with particles can be conveniently realized due to the arrangement of the plurality of barrier plates, the gas with particles enters the top cylinder in a high-speed flowing mode, the plurality of barrier plates are collided under the action of inertia, secondary separation of solid and gas is realized when impurities or dust particles in the gas with particles collide with the barrier plates, the barrier plates drive the ring plate to overturn on the transmission rod under the action of collision force, the separated impurities or dust particles can fall into gaps between the barrier plates, and overturn ceaselessly along with the barrier plates when the gaps overturn to the lower part, under the action of gravity, impurities or dust particles in the gap can fall onto the inner side wall of the inner lower part of the middle barrel and the top barrel and are finally discharged into the first collecting box through the first discharging pipe, the filter screen can play a role in filtering and can filter gas with particles for the third time, the dust removing effect of the device is improved, the fixing sleeve and the supporting rod are matched for use so as to conveniently support and fix the dust removing shell, the first discharging pipe can conveniently discharge large-particle dust particles in the dust removing shell and stone particles sucked into the dust removing shell along with the gas with the particles, and meanwhile, the large-particle dust particles and the stone particles are matched with the first collecting box to be collected in a centralized manner, the second discharging pipe can conveniently discharge waste liquid in the dust removing shell and is matched with the second collecting box to be collected in a centralized manner, and the cover plate can ensure the sealing property in the water tank, secondly, the water source can be conveniently supplemented to the inside of the water tank by disassembling the cover plate, the water tank can be conveniently arranged to provide a water source for the device, the pump can be conveniently arranged to pump the water source in the water tank into the dedusting shell, the extraction rate of the water source in the water tank by the output pipe and the input pipe is improved, the fixed pipe is conveniently arranged to be connected with the input pipe and to be supported and fixed by the spray head, the spray head can achieve the effect of spraying the water source, the electromagnetic valve can be conveniently arranged to control whether the input pipe is conducted or not, when the pump and the electromagnetic valve work, the water source in the water tank enters the fixed pipe after passing through the output pipe and the input pipe in sequence and is finally sprayed out by the spray head, the sprayed water source sprays the air passing through the filter screen, so that impurities or dust attached to the air can be washed by the water source, the waste liquid mixed with impurities and dust finally enters the inside of the second collecting box and is subjected to centralized recovery treatment, the arrangement of the first guide plate and the second guide plate plays a role in guiding flow, small-particle stones, dust or waste liquid in the middle barrel are prevented from being accumulated on the inner side wall below the middle barrel, so that the small-particle stones, dust or waste liquid cannot be discharged out of the middle barrel through the first discharging pipe and the second discharging pipe to influence the use effect of the device, the arrangement of the handle can facilitate a user to push and pull the device, the arrangement of the hand guard pad can improve the flexibility of the user when the user pushes and pulls the handle, the comfort of the device during use is enhanced, and the arrangement of the four braking universal wheels can enable the device to move or be arranged, the convenience that the improvement device used, the utility model discloses simple structure, convenient operation, the practicality is strong, can use widely.

Drawings

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

fig. 2 is a schematic front structural section view of the present invention.

In the figure: 1-bottom plate, 2-dedusting shell, 201-bottom cylinder, 202-middle cylinder, 203-top cylinder, 204-connecting cylinder, 205-air-drawing cylinder, 3-exhaust fan, 4-driving rod, 5-ring plate, 6-baffle plate, 7-filter screen, 8-fixing sleeve, 9-supporting rod, 10-first collecting box, 11-second collecting box, 12-a first discharge pipe, 13-a second discharge pipe, 14-a water tank, 15-a pump, 16-a cover plate, 17-an output pipe, 18-an input pipe, 19-a fixed pipe, 20-a spray head, 21-an electromagnetic valve, 22-a control panel, 23-a first guide plate, 24-a second guide plate, 25-a handle, 26-a hand protection pad and 27-a braking universal wheel.

Detailed Description

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

Referring to fig. 1-2, the present invention provides a technical solution: a dust removal device for tunnel engineering comprises a bottom plate 1, a dust removal shell 2 is arranged above the upper surface of the bottom plate 1, the bottom plate 1 can be supported, the dust removal shell 2 comprises a bottom barrel 201, the bottom barrel 201 is a cavity with an open end face, the bottom barrel 201 is semicircular, the dust removal shell can play a role in guiding flow, dust or impurities are prevented from attaching to the inner side wall of the bottom barrel 201, a middle barrel 202 is arranged on one end face of the bottom barrel 201, the middle barrel 202 is a hollow cavity with two open end faces, the middle barrel 202 is cylindrical, a filter screen 7, a first guide plate 23 and a second guide plate 24 can be conveniently installed, a top barrel 203 is arranged on one end face of the middle barrel 202, the top barrel 203 is a hollow cavity with two open end faces, the top barrel 203 is in a circular truncated cone shape, the dust removal shell 2 can be conveniently removed through the arrangement, when gas with particles outside is sucked into the top barrel 203 by an exhaust fan 3, the particle-carrying gas enters the inside of the top cylinder 203 in a high-speed flowing mode, the opening size from one end face of the top cylinder 203 to the other end face is increased, so that the high-speed flowing particle-carrying gas slows down the movement speed under the action of pressure, larger dust particles and stone particles sucked into the dust removal shell 2 along with the particle-carrying gas are separated from the gas under the action of gravity, solids slide down along the inner side wall of the inner lower part of the top cylinder 203 and are then discharged out of the dust removal shell 2 through the first discharge pipe 12, a connecting cylinder 204 is arranged on one end face of the top cylinder 203, the connecting cylinder 204 is a hollow cavity with openings at two end faces, and the connecting cylinder 204 is cylindrical, so that the exhaust fan 3 can be conveniently installed, the dust removal of the particle-carrying gas is conveniently carried out by matching with the top cylinder 203, and the gas flow rate of the particle-carrying gas entering the connecting cylinder 204 is conveniently improved by matching with the suction cylinder 205, the dust removal effect of the device is enhanced, one end face of the connecting cylinder 204 is provided with the air suction cylinder 205, the air suction cylinder 205 is a hollow cavity with openings at two end faces, and the air suction cylinder 205 is in a round table shape, so that the area of the air suction cylinder 205 for extracting the externally entrained granular gas can be increased, and when the air suction cylinder 205 extracts the externally entrained granular gas, the flow velocity of the internally entrained granular gas flowing through the connecting cylinder 204 is enhanced under the action of pressure and the exhaust fan 3 because one end face of the air suction cylinder 205 is smaller and smaller in size from the opening of the other end face, so that the space for moving the externally entrained granular gas is smaller and smaller, and when the externally entrained granular gas enters the connecting cylinder 204, the dust removal efficiency of the device on the external air is improved, the exhaust fan 3 is arranged in the connecting cylinder 204, the arrangement of the exhaust fan 3 can facilitate the extraction of the externally entrained granular gas in the dust removal shell 2, the inside of top cylinder 203 is equipped with the transfer line 4, one end of transfer line 4 imbeds in the lateral wall of the front portion in the top cylinder 203, another terminal surface of transfer line 4 imbeds in the lateral wall of rear portion in the top cylinder 203, be located in the lateral wall of front portion in the top cylinder 203 be equipped with the bearing on the transfer line 4 that is located in the lateral wall of rear portion in the top cylinder 203 be equipped with the bearing, the setting of bearing can be convenient for transfer line 4 rotates in the inside of connecting cylinder 204, the cover is equipped with the crown plate 5 on the lateral wall of transfer line 4, evenly distributed has a plurality of baffling plates 6 on the lateral wall of crown plate 5, the setting of crown plate 5 can be convenient for a plurality of baffling plates 6 of installation, a plurality of baffling plates 6 the setting can be convenient for the gas-solid separation of the strip grain gas realization, the strip grain gas enters the inside of top cylinder 203 with the form of high-speed flow, under the effect of inertia, the separation plates 6 are collided, impurities or dust particles in the gas with particles are collided with the separation plates 6, secondary separation of solid and gas is achieved, under the action of collision force, the separation plates 6 drive the ring plates 5 to turn over on the transmission rod 4, the separated impurities or dust particles can fall into gaps between the separation plates 6 and can turn over continuously along with the separation plates 6, when the gaps turn over to the lower side, the impurities or dust particles in the gaps can fall onto inner side walls of the inner lower portions of the middle cylinder 202 and the top cylinder 203 under the action of gravity and are finally discharged into the first collecting box 10 through the first discharging pipe 12, the filter screen 7 is arranged inside the middle cylinder 202, the filter screen 7 can play a filtering role and can filter the gas with particles for the third time, the dust removing effect of the device is improved, the fixing sleeve 8 is arranged on the outer side wall of the middle cylinder 202, a support rod 9 is arranged on the outer side wall of the lower part of the fixed sleeve 8, one end face of the support rod 9 is connected with the upper surface of the bottom plate 1, the fixed sleeve 8 and the support rod 9 are matched for use so as to support and fix the dedusting shell 2, the upper surface of the bottom plate 1 is provided with a first collection box 10 and a second collection box 11, the first collection box 10 and the second collection box 11 are respectively positioned at two sides of the support rod 9, a first discharge pipe 12 and a second discharge pipe 13 respectively penetrate through the inner side wall of the lower part of the middle barrel 202, the first discharge pipe 12 is arranged near the other end face of the top barrel 203, the second discharge pipe 13 is arranged near one end face of the bottom barrel 201, one end face of the first discharge pipe 12 is positioned inside the middle barrel 202, and the other end face of the first discharge pipe 12 extends to the inside of the first collection box 10, one end face of second discharging pipe 13 is located the inside of well section of thick bamboo 202, another terminal surface of second discharging pipe 13 extends to the inside of second collecting box 11, the setting of first discharging pipe 12 can be convenient for with the inside large granule dirt particle of dust removal shell 2 and along with take the gaseous together stone grain by suction dust removal shell 2 inside discharge, cooperate first collecting box 10 to concentrate it simultaneously and collect, the setting of second discharging pipe 13 can be convenient for discharge the inside waste liquid of dust removal shell 2, cooperate second collecting box 11 to concentrate it simultaneously and collect, the utility model discloses simple structure, convenient operation, the practicality is strong, can use widely.

Specifically, the upper surface of the bottom plate 1 is provided with a water tank 14 and a pump 15, the upper surface of the water tank 14 is provided with a cover plate 16, an output pipe 17 penetrates through the upper surface of the cover plate 16, one end surface of the output pipe 17 is positioned in the water tank 14, one end surface of the output pipe 17 is close to the bottom surface of the water tank 14, the other end surface of the output pipe 17 is positioned outside the water tank 14, the other end surface of the output pipe 17 is connected with the input end of the pump 15, the output end of the pump 15 is provided with an input pipe 18, a fixing pipe 19 penetrates through the outer side wall of the upper part of the middle barrel 202, the fixing pipe 19 is close to one end surface of the bottom barrel 201, one end surface of the fixing pipe 19 is positioned in the middle barrel 202, a spray nozzle 20 is arranged on one end surface of the fixing pipe 19, and the other end surface of the fixing pipe 19 is positioned outside the middle barrel 202, and the other end face of the fixed pipe 19 is connected with one end face of the input pipe 18, the input pipe 18 is provided with an electromagnetic valve 21, the cover plate 16 is arranged to ensure the tightness of the interior of the water tank 14, and to supplement water to the interior of the water tank 14 by detaching the cover plate 16, the water tank 14 is arranged to provide water for the device, the pump 15 is arranged to draw the water source in the water tank 14 into the dust removing housing 2, so as to improve the pumping rate of the output pipe 17 and the input pipe 18 to the water source in the water tank 14, the fixed pipe 19 is arranged to connect the input pipe 18 and to support and fix the spray head 20, the spray head 20 is arranged to achieve the effect of spraying water, the electromagnetic valve 21 is arranged to control whether the input pipe 18 is conducted, when the pump 15 and the electromagnetic valve 21 work, under the action of the pump 15, the water source in the water tank 14 enters the fixed pipe 19 through the output pipe 17 and the input pipe 18 in sequence, and is finally sprayed out through the spray head 20, the sprayed water source sprays the air passing through the filter screen 7, so that impurities or dust attached to the air are discharged out of the interior of the dust removal shell 2 through the second discharge pipe 13 along with the water source under the action of water source flushing, triple effects of cleaning, dust removal and air purification are achieved, and waste liquid mixed with the impurities and the dust finally enters the interior of the second collection box 11 and is subjected to centralized recovery processing.

Particularly, be equipped with control panel 22 on the anterior lateral wall of fixed cover 8, the air exhauster 3 pump machine 15 with solenoid valve 21 respectively with control panel 22 electric connection, control panel 22 and power electric connection, this sets up and carries out centralized control to the device when can being convenient for the device operation, improves the convenience of operation when the device uses.

Particularly, the matching has been laid respectively on the inside wall of the lower part in the well section of thick bamboo 202 first discharging pipe 12 terminal surface with first guide plate 23 and second guide plate 24 that second discharging pipe 13 terminal surface was equipped with, just first guide plate 23 and second guide plate 24 are located respectively the both sides of filter screen 7, first guide plate 23 with second guide plate 24's setting all plays the effect that the direction flows, avoids that the inside tiny particle stone, dust or the waste liquid of well section of thick bamboo 202 piles up on the inside wall of well section of thick bamboo 202 below, leads to inside of a section of thick bamboo 202 in the unable through first discharging pipe 12 and the discharge of second discharging pipe 13 of tiny particle stone, dust or waste liquid, influences the result of use of device.

Specifically, the upper surface of the bottom plate 1 is provided with a handle 25, the handle 25 is arranged close to one side surface of the bottom plate 1, a hand protection pad 26 is sleeved on the handle 25, the handle 25 is arranged to facilitate a user to push and pull the device, and the hand protection pad 26 is arranged to improve the flexibility of the user when the user pushes and pulls the handle 25, so that the comfort of the device when in use is enhanced.

Specifically, four braking universal wheels 27 are uniformly distributed on the lower surface of the bottom plate 1, and the four braking universal wheels 27 can enable the device to move or be arranged, so that the use convenience of the device is improved.

The working principle is as follows: when the utility model is used, after the device is moved to a proper position by the four braking universal wheels 27 matching with the handle 25, the device is arranged by the four braking universal wheels 27, the pump 15, the exhaust fan 3 and the electromagnetic valve 21 are operated by the operation control panel 22, when the exhaust fan 3 is operated, the exhaust fan 3 extracts the gas with particles outside, as one end surface of the exhaust tube 205 is smaller and smaller by the tube mouth size of the other end surface, the space for the gas with particles to move is smaller and smaller, when the gas enters the connecting tube 204, under the action of the pressure and the exhaust fan 3, the flow velocity of the gas with particles flowing through the connecting tube 204 is enhanced, the gas with particles enters the inside of the top tube 203 in a high-speed flowing manner, as the opening size from one end surface of the top tube 203 to the other end surface is larger and larger, the gas with particles flowing at high speed is under the action of the pressure, slowing down the movement speed, larger dust particles and the stone particles sucked into the dust removing shell 2 along with the gas with the particles can be separated from the gas under the action of gravity, the solid slides down along the inner side wall of the inner lower part of the top cylinder 203, then the solid is discharged out of the dust removing shell 2 through the first discharge pipe 12 and enters the first collecting box 10 to be collected in a concentrated manner, meanwhile, under the action of inertia, the gas with the particles collides with a plurality of baffle plates 6, so that impurities or dust particles in the gas with the particles can be collided with the baffle plates 6 to realize secondary separation of the solid and the gas, under the action of the collision force, the baffle plates 6 drive the ring plate 5 to overturn on the transmission rod 4, the separated impurities or dust particles can fall into gaps between the baffle plates 6 and ceaselessly overturn along with the baffle plates 6, when the gaps overturn to the lower part, under the action of gravity, the impurities or dust particles in the gaps can fall onto the inner side wall of the inner lower part of the middle cylinder 202 and the top cylinder 203, finally, the gas with particles after secondary filtration continues to move towards the other end face of the middle cylinder 202, the gas with particles can be filtered for the third time under the action of the filter screen 7, if the gas also contains large particles of dust or impurities, the gas is retained by the filter screen 7, and finally the gas is discharged out of the interior of the dust-removing shell 2 through the first discharge pipe 12 and enters the interior of the first collection box 10, the air passing through the filter screen 7 collides with the inner side wall of the bottom cylinder 201, if the air also contains dust or impurities during collision, the dust or impurities can be separated from the air for the fourth time, the dust or impurities can slowly slide down along the inner side wall of the bottom cylinder 201 under the action of gravity, and then the gas is discharged out of the interior of the dust-removing shell 2 through the second discharge cylinder, when the pump 15 and the electromagnetic valve 21 work, under the action of the pump 15, the water source in the water tank 14 enters the fixed pipe 19 after passing through the output pipe 17 and the input pipe 18 in sequence, and is finally sprayed out through the spray head 20, the sprayed water source sprays the air passing through the filter screen 7, so that impurities or dust attached to the air are discharged out of the dust removal shell 2 through the second discharge pipe 13 along with the water source under the action of water source flushing, the fifth separation and dust removal are realized, and the triple effects of cleaning, dust removal and air purification are achieved, the waste liquid mixed with the impurities and dust finally enters the second collection box 11 and is subjected to centralized recovery treatment, so that resource waste is avoided, the hand protection pad 26 is arranged to improve the flexibility of a user when pushing and pulling the handle 25, the comfort of the device during use is enhanced, the first guide plate 23 and the second guide plate 24 both play a role in guiding flow, and small particles in the middle cylinder 202 are avoided, Dust or waste liquid are piled up on the inside wall of well section of thick bamboo 202 below, lead to the inside of a little granule stone, dust or waste liquid can't discharge well section of thick bamboo 202 through first discharging pipe 12 and second discharging pipe 13, influence the result of use of device, and the setting of apron 16 is first can guarantee the inside leakproofness of water tank 14, and second can be convenient for supply the water source to the inside of water tank 14 through dismantling apron 16, the setting of water tank 14 can be convenient for provide the water source for the device, and solenoid valve 21's setting can be convenient for control input tube 18 and whether switch on, the utility model discloses simple structure, convenient operation, the practicality is strong, can use widely.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust collector for tunnel engineering, includes bottom plate (1), its characterized in that: the dust removal device is characterized in that a dust removal shell (2) is arranged above the upper surface of the bottom plate (1), the dust removal shell (2) comprises a bottom barrel (201), the bottom barrel (201) is a cavity with an open end face, the bottom barrel (201) is semicircular, a middle barrel (202) is arranged on one end face of the bottom barrel (201), the middle barrel (202) is a hollow cavity with open end faces, the middle barrel (202) is cylindrical, a top barrel (203) is arranged on one end face of the middle barrel (202), the top barrel (203) is a hollow cavity with open end faces, the top barrel (203) is circular truncated cone-shaped, a connecting barrel (204) is arranged on one end face of the top barrel (203), the connecting barrel (204) is a hollow cavity with open end faces, the connecting barrel (204) is cylindrical, a pumping barrel (205) is arranged on one end face of the connecting barrel (204), and the pumping barrel (205) is a hollow cavity with open end faces, the air draft tube (205) is in a circular truncated cone shape, the inner part of the connecting tube (204) is provided with the exhaust fan (3), the inner part of the top tube (203) is provided with the transmission rod (4), one end face of the transmission rod (4) is embedded into the side wall of the inner front part of the top tube (203), the other end face of the transmission rod (4) is embedded into the side wall of the inner rear part of the top tube (203), the outer side wall of the transmission rod (4) is sleeved with a ring plate (5), a plurality of barrier plates (6) are uniformly distributed on the outer side wall of the ring plate (5), the inner part of the middle tube (202) is provided with a filter screen (7), the outer side wall of the middle tube (202) is sleeved with a fixing sleeve (8), the outer side wall of the lower part of the fixing sleeve (8) is provided with a support rod (9), one end face of the support rod (9) is connected with the upper surface of the bottom plate (1), the upper surface of the bottom plate (1) is provided with a first collecting box (10) and a second collecting box (11), the first collecting box (10) and the second collecting box (11) are respectively located on two sides of the supporting rod (9), a first discharging pipe (12) and a second discharging pipe (13) penetrate through the inner side wall of the lower portion of the middle barrel (202) respectively, the first discharging pipe (12) is close to the other end face of the top barrel (203) and is arranged, the second discharging pipe (13) is close to one end face of the bottom barrel (201), one end face of the first discharging pipe (12) is located inside the middle barrel (202), the other end face of the first discharging pipe (12) extends to the inside of the first collecting box (10), one end face of the second discharging pipe (13) is located inside the middle barrel (202), and the other end face of the second discharging pipe (13) extends to the inside of the second collecting box (11).

2. The dust removing device for tunnel engineering according to claim 1, wherein: the upper surface of bottom plate (1) is equipped with water tank (14) and pump machine (15), the upper surface of water tank (14) is equipped with apron (16), runs through the upper surface of apron (16) wears to be equipped with output tube (17), a terminal surface of output tube (17) is located the inside of water tank (14), just a terminal surface of output tube (17) is close to the inside bottom surface setting of water tank (14), another terminal surface of output tube (17) is located the outside of water tank (14), just another terminal surface of output tube (17) with the input of pump machine (15) is connected, the output of pump machine (15) is equipped with input tube (18), runs through fixed pipe (19) are worn to be equipped with to the lateral wall on well section of thick bamboo (202) upper portion, just fixed pipe (19) are close to a terminal surface setting of end section of thick bamboo (201), a terminal surface of fixed pipe (19) is located the inside of well section of thick bamboo (202), and a spray head (20) is arranged on one end face of the fixed pipe (19), the other end face of the fixed pipe (19) is positioned outside the middle barrel (202), the other end face of the fixed pipe (19) is connected with one end face of the input pipe (18), and an electromagnetic valve (21) is arranged on the input pipe (18).

3. The dust removing device for tunnel engineering according to claim 2, wherein: be equipped with control panel (22) on the anterior lateral wall of fixed cover (8), air exhauster (3) pump machine (15) with solenoid valve (21) respectively with control panel (22) electric connection, control panel (22) and power electric connection.

4. The dust removing device for tunnel engineering according to claim 1, wherein: the matching is laid respectively on the inside wall of well section of thick bamboo (202) inner lower part first discharging pipe (12) an terminal surface with first guide plate (23) and second guide plate (24) that second discharging pipe (13) a terminal surface was equipped with, just first guide plate (23) and second guide plate (24) are located respectively the both sides of filter screen (7).

5. The dust removing device for tunnel engineering according to claim 1, wherein: the upper surface of bottom plate (1) is equipped with handle (25), just handle (25) are close to a side setting of bottom plate (1), the cover is equipped with hand protector pad (26) on handle (25).

6. The dust removing device for tunnel engineering according to claim 1, wherein: four braking universal wheels (27) are uniformly distributed on the lower surface of the bottom plate (1).