CN213869942U - Leaf fan type mining air duct tee joint device - Google Patents
Leaf fan type mining air duct tee joint device Download PDFInfo
- Publication number
- CN213869942U CN213869942U CN202022213610.3U CN202022213610U CN213869942U CN 213869942 U CN213869942 U CN 213869942U CN 202022213610 U CN202022213610 U CN 202022213610U CN 213869942 U CN213869942 U CN 213869942U
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- fan
- air duct
- cylindrical gear
- annular shell
- gear
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Abstract
The utility model provides a mining dryer tee bend device of leaf fan-type, include: the fan comprises an annular shell, a fan blade, a cylindrical gear, a driving mechanism and a control mechanism, wherein the tail end and the top end of the fan blade are provided with rotating shafts, and the rotating shaft at the tail end is fixedly connected with a pinion; a circle of external gear is arranged on the outer side of the cylinder body at one end of the cylindrical gear, the other end of the cylindrical gear is connected with the driving mechanism, and the cylindrical gear is connected to the annular shell; the external gear of the cylindrical gear is engaged with a plurality of fan blades, the rotating shaft at the top end of each fan blade is tightly clamped on the annular shell and can rotate in the annular shell, and the plurality of fan blades can be completely closed or opened; the driving mechanism is electrically connected with a control mechanism positioned outside the metal shell. The utility model provides a problem of the unable quantitative control amount of wind of dryer tee bend, improve the accuracy of control.
Description
Technical Field
The utility model relates to a mining dryer tee bend device field, in particular to mining dryer tee bend device of leaf fan-type.
Background
The mining air duct tee joint device is a connecting device between a switching tee joint and a positive pressure air duct of a local ventilator, the air duct tee joint is used for discharging gas on a working face for use after the working face is powered off and stopped, and the air supply amount to the working face is reduced by controlling the air leakage amount of the air duct tee joint. Three air outlets of the conventional air duct tee joint are three canvas ducts, and the air quantity is controlled by adopting a beam-opening method, so that quantitative control cannot be realized; and the operation efficiency is low, the potential safety hazard is caused, and the accident is easily caused.
SUMMERY OF THE UTILITY MODEL
For solving the problem of the unable quantitative control amount of wind of dryer tee bend among the prior art, the utility model provides a mining dryer tee bend device of leaf fan-type.
The technical scheme of the utility model is realized like this:
a mining dryer tee bend device of leaf fan formula includes: the fan comprises an annular shell, a fan blade, a cylindrical gear, a driving mechanism and a control mechanism, wherein the tail end and the top end of the fan blade are provided with rotating shafts, and the rotating shaft at the tail end is fixedly connected with a pinion; a circle of external gear is arranged on the outer side of the cylinder body at one end of the cylindrical gear, the other end of the cylindrical gear is connected with the driving mechanism, and the cylindrical gear is connected to the annular shell; the external gear of the cylindrical gear is engaged with a plurality of fan blades, the rotating shaft at the top end of each fan blade is tightly clamped on the annular shell and can rotate in the annular shell, and the plurality of fan blades can be completely closed or opened; the driving mechanism is electrically connected with a control mechanism positioned outside the metal shell.
Preferably, a circle of internal gear is arranged on the inner side of the cylinder body at the other end of the cylindrical gear, and the internal gear is meshed with the driving end of the driving mechanism.
Preferably, a hanging ring is arranged in the annular shell; a support is arranged in the annular shell and used for connecting the cylindrical gear and the driving mechanism.
Preferably, a wind speed sensing pipe is arranged in the annular shell, the wind speed sensing pipe extends out of the annular shell and is connected with a wind speed sensor, and the wind speed sensor is electrically connected with the control mechanism.
Preferably, the control mechanism is electrically connected with a gas sensor, and the gas sensor is positioned at the position of the wind flow where the full wind pressure of the working face is converged.
Preferably, the end part of the annular housing close to the fan blade is provided with a fixing fastener, and the other end part is provided with a protective net.
Preferably, a layer of antistatic paint is arranged on the outer side of the fan blade.
Preferably, sealing strips are arranged on two sides of the fan blade.
Preferably, a clamping ring is arranged at the rotating shaft at the top of the fan blade, a clamping groove is formed in the annular shell, and the clamping ring is located in the clamping groove.
The utility model has the advantages that: the utility model discloses a mining dryer tee bend device of leaf fan-type is provided with fan flabellum and the cylindric gear that can seal it completely or open in one side department of annular housing, and the cylindric gear drives fan flabellum by the actuating mechanism drive and adjusts and open or closed angle, and actuating mechanism is controlled by control mechanism, has realized quick quantitative control amount of wind, improves the accuracy of control, and the reduction personnel patrol.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a fan-type mining air duct three-way device of the present invention;
FIG. 2 is a schematic view of the fan blade shown in FIG. 1;
FIG. 3 is a schematic view of the fan blade shown in FIG. 2;
fig. 4 is a schematic structural diagram of the fan blade shown in fig. 3.
In the figure:
1. an annular housing; 2. a fan blade; 3. a cylindrical gear; 4. a drive mechanism; 5. a control mechanism; 6. a wind speed induction pipe; 7. a wind speed sensor; 8. a gas sensor; 11. a hoisting ring; 12. a support; 13. fixing the clamping piece; 14. a protective net; 15. a card slot; 21. a rotating shaft; 22. a pinion gear; 23. a snap ring; 31. an outer gear; 32. an internal gear.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, a vane fan type mining air duct tee joint device comprises: the fan comprises an annular shell 1, a fan blade 2, a cylindrical gear 3, a driving mechanism 4 and a control mechanism 5, wherein the tail end and the top end of the fan blade 2 are provided with a rotating shaft 21, and the rotating shaft at the tail end is fixedly connected with a pinion 22; a circle of external gear 31 is arranged on the outer side of the cylinder body at one end of the cylindrical gear 3, the other end of the cylindrical gear is connected with the driving mechanism 4, and the cylindrical gear 3 is connected on the annular shell 1; the outer gear of the cylindrical gear 3 is meshed with the fan blades 2, the rotating shaft at the top ends of the fan blades 2 is tightly clamped on the annular shell and can rotate in the annular shell, and the fan blades 2 can completely close or open one side of the annular shell where the fan blades are located; the driving mechanism 4 is electrically connected with a control mechanism 5 positioned outside the metal shell. A circle of internal gear 32 is arranged on the inner side of the cylinder body at the other end of the cylindrical gear 3, and the internal gear 32 is meshed with the driving end of the driving mechanism 4, so that the transmission stability of the cylindrical gear is improved. A hanging ring 11 is arranged in the annular shell 1; a support 12 is provided in the annular housing for connecting the barrel gear and the drive mechanism.
An air speed sensing pipe 6 is arranged in the annular shell 1, the air speed sensing pipe 6 extends out of the annular shell and is connected with an air speed sensor 7, and the air speed sensor 7 is electrically connected with the control mechanism 5. The control mechanism 5 is electrically connected with a gas sensor 8, and the gas sensor 8 is positioned at the position of the air flow where the full air pressure of the working face is converged.
The end of the annular housing 1 close to the fan blades is provided with a fixing fastener 13, and the other end is provided with a protective net 14 for protecting the devices in the annular housing. A layer of antistatic paint is arranged on the outer side of the fan blade 2. The sealing strips are arranged on the two sides of the fan blades 2, so that the sealing performance of all the fan blades in a completely closed state is improved. A clamping ring 23 is arranged at the rotating shaft at the top of the fan blade 2, a clamping groove 15 is formed in the annular shell 1, and the clamping ring 23 is located in the clamping groove 15.
The rotating shaft of the fan blade can be only arranged at the tail end and the top end of the fan blade, and can also directly penetrate through the fan blade.
The use method comprises the following steps: the fan blades are positioned on one side of the annular shell, the rotating angle range of the fan blades is 0-90 degrees, the fan blades are in a closed state when not in use, and one end of the annular shell where the fan blades are positioned is completely sealed by all the fan blades; the fan blade is driven by a cylindrical gear, the cylindrical gear is driven by a driving mechanism, and the driving mechanism is controlled by a control mechanism. The local ventilator and the air duct type are usually determined, the maximum air supply rate is determined, and the larger the air passing rate of the air duct three-way device is, the smaller the air supply rate of the working face is.
The control mode of the control mechanism is as follows: the control mechanism controls the driving mechanism to drive the cylindrical gear, the cylindrical gear drives the fan blades to rotate through the meshing of the external gear and the pinion of the fan blades, the opening angle of the fan blades is adjusted, and at the moment, the air quantity flows through gaps among the fan blades; the wind speed sensing tube transmits data to the wind speed sensor, the wind speed sensor displays the wind speed condition and transmits the data to the control mechanism, the control mechanism calculates the passing wind volume through calculation, and when the wind volume reaches the wind volume set value in the control mechanism, the control mechanism controls the driving mechanism to stop. The gas sensor transmits the acquired data of the full wind pressure junction of the working face to the control mechanism, and simultaneously displays the gas concentration on an interface, thereby providing the most intuitive gas parameters for gas discharge personnel; if the gas concentration exceeds the gas set value, the control mechanism controls the driving mechanism to increase the angle of the fan blade, increase the air passing amount, reduce the air supply amount of the working surface and reduce the gas discharge amount; when the gas concentration at the full wind pressure junction is lower than the gas set value, the driving mechanism is automatically adjusted and immediately stopped.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a mining dryer tee bend device of leaf fan-type which characterized in that includes: the fan comprises an annular shell, a fan blade, a cylindrical gear, a driving mechanism and a control mechanism, wherein the tail end and the top end of the fan blade are provided with rotating shafts, and the rotating shaft at the tail end is fixedly connected with a pinion; a circle of external gear is arranged on the outer side of the cylinder body at one end of the cylindrical gear, the other end of the cylindrical gear is connected with the driving mechanism, and the cylindrical gear is connected to the annular shell; the external gear of the cylindrical gear is engaged with a plurality of fan blades, the rotating shaft at the top end of each fan blade is tightly clamped on the annular shell and can rotate in the annular shell, and the plurality of fan blades can be completely closed or opened; the driving mechanism is electrically connected with a control mechanism positioned outside the metal shell.
2. The fan-type mining air duct tee joint device according to claim 1, wherein a circle of internal gear is arranged on the inner side of the other end of the barrel body of the cylindrical gear, and the internal gear is meshed with the driving end of the driving mechanism.
3. The fan-type mining air duct tee joint device according to claim 1, wherein a hanging ring is arranged in the annular shell; a support is arranged in the annular shell and used for connecting the cylindrical gear and the driving mechanism.
4. The blade fan type mining air duct three-way device according to claim 1, wherein a wind speed sensing pipe is arranged in the annular shell, the wind speed sensing pipe extends out of the annular shell and is connected with a wind speed sensor, and the wind speed sensor is electrically connected with the control mechanism.
5. The fan-type mining air duct three-way device according to claim 1, wherein the control mechanism is electrically connected with a gas sensor, and the gas sensor is located at an air flow where the full air pressure of the working face is converged.
6. The fan-type mining air duct tee joint device according to claim 1, wherein a fixing fastener is arranged at one end of the annular casing close to the fan blades, and a protective net is arranged at the other end of the annular casing.
7. The fan-type mining air duct tee joint device according to claim 1, wherein a layer of antistatic paint is arranged on the outer side of the fan blade.
8. The fan-type mining air duct tee joint device according to claim 1, wherein sealing strips are arranged on both sides of the fan blade.
9. The fan-type mining air duct three-way device according to claim 1, wherein a snap ring is arranged at a rotating shaft at the top of the fan blade, a snap groove is arranged at the annular housing, and the snap ring is positioned in the snap groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022213610.3U CN213869942U (en) | 2020-10-08 | 2020-10-08 | Leaf fan type mining air duct tee joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022213610.3U CN213869942U (en) | 2020-10-08 | 2020-10-08 | Leaf fan type mining air duct tee joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213869942U true CN213869942U (en) | 2021-08-03 |
Family
ID=77070493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022213610.3U Expired - Fee Related CN213869942U (en) | 2020-10-08 | 2020-10-08 | Leaf fan type mining air duct tee joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213869942U (en) |
-
2020
- 2020-10-08 CN CN202022213610.3U patent/CN213869942U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |