CN217176679U - Wall-attached air duct for dust removal in tunneling operation - Google Patents
Wall-attached air duct for dust removal in tunneling operation Download PDFInfo
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- CN217176679U CN217176679U CN202220546672.2U CN202220546672U CN217176679U CN 217176679 U CN217176679 U CN 217176679U CN 202220546672 U CN202220546672 U CN 202220546672U CN 217176679 U CN217176679 U CN 217176679U
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Abstract
The utility model provides a tunnelling operation is removed dust with attaching wall dryer, relates to mining equipment field, belongs to flexible attaching wall dryer, including dryer main part, water conservancy diversion fan and developments water conservancy diversion post, and the water conservancy diversion fan sets up the upper reaches end in the dryer main part, and developments water conservancy diversion post sets up in the dryer main part. The spiral hose is added into the flexible air duct main body to increase the generation amount of spiral air flow, so that the effect of the generated wall attaching air wall is enhanced, the wall attaching air wall generated by equipment is more stable, and the effective action path is longer; the opening and closing of the spiral hose are controlled through the hose driving device, so that the strength of the wall-attached air wall is controlled, and the acting distance of equipment is better adjusted. The whole equipment has the advantages of strengthening the wall attaching air wall effect, being stable in action and adjustable in working state.
Description
Technical Field
The utility model relates to a mining equipment field, in particular to tunnelling operation is removed dust with attaching wall dryer.
Background
With the continuous development of mining industry, the mining quantity is increased day by day, and the underground tunneling technology is leaped into the mine. The development machine is a main construction device in the mining process, but the development machine can generate a large amount of dust in a mine during operation, so that the health of mine operators is influenced, the sight of the development direction is also influenced, gas with a certain concentration is usually gathered under the mine, and explosion or personnel poisoning is easily caused due to no air flow for a long time.
In order to prevent the harmful phenomenon, a wall-attached air duct is usually arranged above the heading machine and can output spiral airflow, and the spiral airflow can be attached to the wall surface of a mine passage to form a cylindrical air wall under the action of a wall-attached effect, so that dust and gas are adsorbed in the air wall by the spiral airflow, the air flow in the mine is accelerated, and the operation visual area is enlarged.
The existing wall-attached air duct is mainly divided into a rigid wall-attached air duct and a flexible wall-attached air duct, wherein the flexible wall-attached air duct has the advantages of easy installation and transportation and is widely applied. One part of air flow of the flexible wall-attached air duct is blown out through circumferential air holes of the air duct to form a wall-attached air wall, the other part of air flow is directly output from an opening of the air duct, so that a large amount of air flow is consumed, the action distance of the air wall formed by the flexible wall-attached air duct is short, the stability is poor, the air flow is difficult to adjust, when the distance between a tunneling working face and the wall-attached air duct is far, the wall-attached air wall is difficult to reach the tunneling working face, and the tunneling efficiency and the personal safety of workers are influenced.
SUMMERY OF THE UTILITY MODEL
To foretell not enough, the utility model provides a tunnelling operation is removed dust with attaching wall dryer.
The utility model discloses a realize through following technical scheme: a wall-attached air duct for dust removal in tunneling operation comprises an air duct main body, a guide fan and a dynamic guide column, wherein the guide fan is arranged at the upstream end of the air duct main body, and the dynamic guide column is arranged on the air duct main body;
the dynamic flow guide column comprises a spiral hose and a hose driving device for controlling the spiral hose, the spiral hose is arranged in the air duct main body, and two ends of the spiral hose are fixedly connected with the hose driving device;
the spiral hose is in a spiral column shape and made of elastic materials, the interior of the spiral hose is hollow, and two ends of the spiral hose can be ventilated.
Preferably, the hose driving device comprises a first driving rod, a second driving rod and a power system, and the first driving rod and the second driving rod are both rotatably connected to the air duct main body;
a first wire winding wheel is arranged at the top end of the first driving rod, a torque spring is arranged below the first wire winding wheel, a second wire winding wheel connected with the first wire winding wheel is arranged at the top end of the second driving rod, and a third wire winding wheel is arranged above the second wire winding wheel;
the bottom ends of the first driving rod and the second driving rod are provided with fixing rings for fixing the spiral hoses;
the power system comprises a micro motor and a fourth wire winding wheel fixed on the rotating speed output end of the micro motor, the micro motor is fixed on the outer wall of the flow guide fan, and the fourth wire winding wheel is in wire connection with the third wire winding wheel.
Preferably, both ends of the air duct main body can be ventilated, the air duct main body is made of flexible materials, air holes for circumferential ventilation are uniformly formed in the outer wall surface of the air duct main body, and a strong support ring is arranged at the connecting position of the air duct main body, the first driving rod and the second driving rod.
Preferably, the guide fan is not rotatable, and an air flow through hole is formed in the center of the guide fan.
And optimally, the diameters of the first wire winding wheel, the second wire winding wheel and the third wire winding wheel are equal, and the diameter of the fourth wire winding wheel is smaller than that of the third wire winding wheel.
Preferably, the wire connecting the first wire winding wheel, the second wire winding wheel, the third wire winding wheel and the fourth wire winding wheel is a thin steel wire.
Preferably, a searchlight is arranged on the outer wall surface of the downstream end of the air duct main body.
The utility model discloses an useful part is: the utility model discloses add the spiral hose in attaching the wall dryer for when the spiral hose was opened, utilize the spiral shape of spiral hose outer wall and inside passage to guide into the air current of straight blow and then export to the mine passageway in, play the additional wall wind wall that blows out from attaching wall dryer circumference originally and strengthen, the rotatory spiral air current of equidirectional can make the additional wall wind wall continuation of attaching originally after attaching the wall wind wall more of a specified duration, more stable, thereby the extension attaches the distance of action of wall wind wall. Adopt hose drive arrangement control spiral hose to open or close, make the utility model discloses both can make short distance attaches wall brattice (spiral hose closes), can make long distance attaches wall brattice (spiral hose opens) again, makes entry driving machine working method more nimble, thereby the top searchlight helps attaching wall brattice state adjusting device of real-time observation in dust environment.
Drawings
FIG. 1 is a side view of the explosion axis of the present invention;
FIG. 2 is a view of the whole axis of the present invention;
FIG. 3 is an axial view of the dynamic guide post;
FIG. 4 is a front view of the whole body of the present invention;
fig. 5 is a sectional view taken along the direction a in fig. 4.
In the figure, 1, a dynamic guide post, 2, an air duct body, 3, a guide fan, 4, a searchlight, 5, a thin steel wire, 101, a spiral hose, 102, a hose driving device, 103, a first driving rod, 104, a second driving rod, 105, a power system, 106, a first winding wheel, 107, a torque spring, 108, a second winding wheel, 109, a third winding wheel, 110, a fixing ring, 111, a micro motor, 112, a fourth winding wheel, 201, an air vent, 202, a strong support ring, 301 and an air flow through hole.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, it should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present invention, and unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
As shown in fig. 1 and fig. 3, in this embodiment, a wall-attached air duct for dust removal in tunneling operation includes an air duct main body 2, a guiding fan 3 and a dynamic guiding column 1, where the guiding fan 3 is disposed at an upstream end of the air duct main body 2, the guiding fan 3 can divide an air flow into air vents 201 to generate a spiral air flow, so as to form a wall-attached air wall, and the dynamic guiding column 1 is disposed on the air duct main body 2;
the dynamic flow guiding column 1 comprises a spiral hose 101 and a hose driving device 102 for controlling the spiral hose 101, the hose driving device 102 can control the opening and closing of the spiral hose 101 so as to control the strength of the wall-attached air wall, the spiral hose 101 is arranged in the air duct main body 2, and two ends of the spiral hose 101 are fixedly connected with the hose driving device 102;
the utility model discloses a pneumatic air duct, including spiral hose 101, flexible dryer installation, the inside cavity of spiral hose 101 and both ends can be ventilated, guarantee that the air duct is whole still to be the flexible body, prevent to cause inconvenience in the transportation installation, the inside cavity of spiral hose 101 and both ends can be ventilated, guarantee that the air current can flow through from spiral hose 101 is inside, form the spiral air current.
As shown in fig. 3 and 5, in the present embodiment, the hose driving device 102 includes a first driving rod 103, a second driving rod 104, and a power system 105, wherein the first driving rod 103 and the second driving rod 104 are both rotatably connected to the air duct main body 2;
a first wire winding wheel 106 is arranged at the top end of the first driving rod 103, a torque spring 107 is arranged below the first wire winding wheel 106, the torque spring 107 can enable the thin steel wire 5 to be kept in a tight state all the time, the transmission process is guaranteed, a second wire winding wheel 108 connected with the first wire winding wheel 106 is arranged at the top end of the second driving rod 104, a third wire winding wheel 109 is arranged above the second wire winding wheel 108, and the second wire winding wheel 108 and the third wire winding wheel 109 can rotate synchronously;
the bottom ends of the first driving rod 103 and the second driving rod 104 are provided with fixing rings 110 for fixing the spiral hose 101, and the fixing rings 110 can support the spiral hose 101 and ensure that air flows can freely enter and exit from two ends of the spiral hose 101 when the spiral hose 101 is opened;
the power system 105 comprises a micro motor 111 and a fourth wire winding wheel 112 fixed on the rotating speed output end of the micro motor 111, the micro motor 111 is fixed on the outer wall of the guide fan 3, and the fourth wire winding wheel 112 is in wire connection with the third wire winding wheel 109, so that the transmission process of the fourth wire winding wheel 112 and the third wire winding wheel 109 is ensured.
As shown in fig. 1 and fig. 3, in this embodiment, both ends of the air duct main body 2 can be ventilated, the air duct main body 2 is made of a flexible material, the flexible material can be folded and compressed, and is convenient to install and transport, the outer wall surface of the air duct main body 2 is uniformly provided with ventilation holes 201 for circumferential ventilation, a strong support ring 202 is arranged at a connection position of the air duct main body 2 and the first driving rod 103 and the second driving rod 104, and the strong support ring 202 can support the first driving rod 103 and the second driving rod 104 and can ensure that the first driving rod 103 and the second driving rod 104 are not overturned in a transmission process so that the air duct main body 2 deforms.
As shown in fig. 4, in the present embodiment, the guiding fan 3 is not rotatable, and an air flow hole 301 is formed at the center of the guiding fan 3, and the air flow hole 301 may feed a part of the main air flow into the spiral hose 101 and onto the outer wall.
As shown in fig. 3, in this embodiment, the diameters of the first, second and third reels 106, 108 and 109 are equal to ensure that the three can rotate synchronously under the action of the thin steel wire 5, the diameter of the fourth reel 112 is smaller than that of the third reel 109, and the rotation speed of the micro motor 111 can be converted into torque as much as possible by making a transmission ratio with different reel diameters.
As shown in fig. 1 and 2, in the present embodiment, the wire connecting the first, second, third and fourth reels 106, 108, 109 and 112 is a thin steel wire 5, which has high tensile strength and is not easily deformed even when operated for a long time.
In this embodiment, the searchlight 4 is arranged on the outer wall surface of the downstream end of the air duct main body 2, and the searchlight 4 can help an operator to observe the state of the wall-attached air wall and the state of the construction working face at any time, so that the operation of the equipment can be better adjusted.
The working principle is as follows: before the tunneling process, the upstream end of the air duct body 2 is installed at the opening of an air supply pipeline, the dynamic flow guide column 1 is in a closed state at the moment, when the tunneling working surface is close to the air duct body 2, the closed state of the dynamic flow guide column 1 is kept, the air flow is divided into spirally advancing air flows after passing through the flow guide fan 3, one part of the air flows out through the vent holes 201 to form a wall-attached air wall, and the other part of the air flow is output from the downstream end of the air duct body 2.
When the tunneling working face is far away from the air duct main body 2, the micro motor 111 is turned on, the micro motor 111 drives the fourth wire winding wheel 112 to rotate, the fourth wire winding wheel 112 starts to wind, the third wire winding wheel 109 and the second wire winding wheel 108 are driven to rotate simultaneously, the second wire winding wheel 108 rotates and starts to wind, the first wire winding wheel 106 is driven to rotate, and the torque spring 107 starts to be twisted and stores force. The first driving rod 103 and the second driving rod 104 start to rotate synchronously while the second winding wheel 108 and the first winding wheel 106 rotate synchronously, and after the first driving rod 103 and the second driving rod 104 rotate synchronously by 90 degrees, the spiral hose 101 is opened, and air flow is allowed to pass through at two ends of the spiral hose 101. The air current blows into the inside of dryer main part 2 from dryer main part 2 upper reaches end, a part of air current flows out through air vent 201 and forms the attaches wall wind wall, another part of air current flows through the inside and the outer wall of spiral hose 101 respectively, because the wall attachment effect, the air current that flows through the outer wall of spiral hose 101 can be hugged closely the spiral hose 101 profile and is advanced, thereby form the spiral air current, the air current that flows through the inside of spiral hose 101 forms syntropy spiral air current under the guide of the inside profile of spiral hose 101, syntropy spiral air current that inside and outer wall produced mixes into more powerful spiral air current at spiral hose 101 exit, this spiral air current leaves dryer main part 2 under the effect of attaching the wall and then enters the attaching wall wind wall rapidly, make original attaching wall wind wall stronger, attach wall wind wall effect distance increases.
When the tunneling operation is finished or a short-stroke wall-attached air wall is needed, the micro motor 111 rotates reversely, the torque spring 107 on the first winding wheel 106 winds under the action of torque force, the thin steel wire 5 is tightened, the second winding wheel 108 and the third winding wheel 109 rotate reversely, the third winding wheel 109 winds, the first driving rod 103 and the second driving rod 104 rotate reversely under the driving of the first winding wheel 106 and the second winding wheel 108, and the spiral hose 101 is closed. The searchlight 4 on the air duct main body 2 can be convenient for an operator to observe the state of the wall-attached air wall at any time and adjust the state of the apparatus and the construction direction.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (7)
1. The utility model provides a tunnelling operation is removed dust with attaching wall dryer which characterized in that: the air duct comprises an air duct main body, a guide fan and a dynamic guide column, wherein the guide fan is arranged at the upstream end of the air duct main body, and the dynamic guide column is arranged on the air duct main body;
the dynamic flow guide column comprises a spiral hose and a hose driving device for controlling the spiral hose, the spiral hose is arranged in the air duct main body, and two ends of the spiral hose are fixedly connected with the hose driving device;
the spiral hose is in a spiral column shape and made of elastic materials, the interior of the spiral hose is hollow, and two ends of the spiral hose can be ventilated.
2. A coanda air duct for dust removal in a tunneling operation according to claim 1, characterized in that: the hose driving device comprises a first driving rod, a second driving rod and a power system, and the first driving rod and the second driving rod are rotatably connected to the air duct main body;
a first wire winding wheel is arranged at the top end of the first driving rod, a torque spring is arranged below the first wire winding wheel, a second wire winding wheel connected with the first wire winding wheel is arranged at the top end of the second driving rod, and a third wire winding wheel is arranged above the second wire winding wheel;
the bottom ends of the first driving rod and the second driving rod are provided with fixing rings for fixing the spiral hoses;
the power system comprises a micro motor and a fourth wire winding wheel fixed on the rotating speed output end of the micro motor, the micro motor is fixed on the outer wall of the flow guide fan, and the fourth wire winding wheel is in wire connection with the third wire winding wheel.
3. A coanda air duct for dust removal in a tunneling operation according to claim 2, characterized in that: the air duct is characterized in that both ends of the air duct body can be ventilated, the air duct body is made of flexible materials, a plurality of circumferential ventilation air holes are uniformly formed in the outer wall surface of the air duct body, and a strong support ring is arranged at the connecting position of the air duct body and the first driving rod and the second driving rod.
4. A coanda air duct for dust removal in a tunneling operation according to claim 3, characterized in that: the flow guide fan is not rotatable, and an air flow through hole is formed in the center of the flow guide fan.
5. The coanda duct for dust removal for tunneling operation according to claim 4, characterized in that: the diameters of the first wire winding wheel, the second wire winding wheel and the third wire winding wheel are equal, and the diameter of the fourth wire winding wheel is smaller than that of the third wire winding wheel.
6. A coanda air duct for dust removal in a tunneling operation according to claim 5, characterized in that: the wire connecting the first wire winding wheel, the second wire winding wheel, the third wire winding wheel and the fourth wire winding wheel is a thin steel wire.
7. A coanda air duct for dust removal for tunneling operation according to claim 6, characterized in that: and a searchlight is arranged on the outer wall surface of the downstream end of the air duct main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220546672.2U CN217176679U (en) | 2022-03-14 | 2022-03-14 | Wall-attached air duct for dust removal in tunneling operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220546672.2U CN217176679U (en) | 2022-03-14 | 2022-03-14 | Wall-attached air duct for dust removal in tunneling operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217176679U true CN217176679U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220546672.2U Active CN217176679U (en) | 2022-03-14 | 2022-03-14 | Wall-attached air duct for dust removal in tunneling operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217176679U (en) |
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2022
- 2022-03-14 CN CN202220546672.2U patent/CN217176679U/en active Active
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