CN112253250A

CN112253250A - Sensing head of wind speed monitoring device for coal mine

Info

Publication number: CN112253250A
Application number: CN202011213719.5A
Authority: CN
Inventors: 杜春霞; 周峪; 周丕祥
Original assignee: Zibo Ruiante Automatic Control Equipment Co ltd
Current assignee: Zibo Ruiante Automatic Control Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-01-22

Abstract

The invention discloses a sensing head of a wind speed monitoring device for coal mines, which belongs to the technical field of auxiliary equipment for coal mine wind speed measurement, and is provided with a rotating wheel ash cleaning mechanism which can clean a wind speed rotating wheel so as to avoid the reduction and even damage of the measurement precision of the equipment, an equipment shell detects the content of substances in gas so as to lead a detector to know whether the gas in the mine is safe or not, a filter core filters the gas entering the equipment so as to avoid the damage of the equipment and prolong the service life of the equipment, an internal dust detection device observes whether the dust enters the equipment so as to remind a maintainer to clean the inside of the equipment, the invention drives the equipment shell through a wind speed measuring rotating rod so as to lead a helical blade to rotate and accelerate the suction of air flow into the equipment, thereby facilitating the detection, and a ratchet mechanism can avoid the helical blade from rotating to counteract the wind speed rotating wheel, the invention has the advantages of strong cleaning capability, capability of measuring whether toxic substances are contained in the air and the like.

Description

Sensing head of wind speed monitoring device for coal mine

Technical Field

The invention belongs to the technical field of auxiliary equipment for coal mine wind speed measurement; in particular to a sensing head of a wind speed monitoring device for a coal mine.

Background

Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Coal is known as black gold by people, industrial food is one of main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as high as before, coal is one of indispensable energy sources for production and life of human beings at present and in a long time in the future, the supply of coal is also stable in terms of development of industry and whole society, but most of coal is stored under the ground, so mining must be carried out in a mine form, underground work is very dangerous for the personal safety of coal workers, multiple accidents occur every year in the coal mining process, and in the coal mining accidents, the common accidents are that underground toxic gas or coal dust is too high in concentration, particularly, underground safety is directly influenced by too high dust, and even cause an explosion. Therefore, the underground ventilation is very critical, the existing detection underground gas ventilation condition is mostly detected by using a sensing head of the wind speed monitoring device for the coal mine, but the gas in the mine often contains extremely large dust, so that dust is extremely easy to accumulate inside the existing detection equipment and on a wind speed measurement rotating wheel, the measurement precision of the equipment is reduced or even damaged, meanwhile, the existing detection equipment can only simply measure the wind speed mostly, and whether toxic substances are contained in the air or not can not be measured, therefore, the appearance of the sensing head of the wind speed monitoring device for the coal mine, which has the cleaning capability and can measure whether the air contains the toxic substances or not, is urgent.

Disclosure of Invention

The invention aims to provide a sensing head of a wind speed monitoring device for a coal mine.

In order to achieve the purpose, the invention provides the following technical scheme: a sensing head of a wind speed monitoring device for a coal mine comprises an internal dust detection device clamping seat, an outer shell, a wind speed measuring rotating rod, a wind speed rotating wheel, a rotating wheel dust cleaning mechanism, a filter element, a device shell and an internal dust detection device, wherein the internal dust detection device clamping seat is fixed on the lower end face of the outer shell, the internal dust detection device is in sliding fit with the inner side of the internal dust detection device clamping seat, the internal dust detection device is fixed on the lower end face of the outer shell through the internal dust detection device clamping seat, the device shell is embedded in the outer shell, the front end face and the rear end face of the device shell respectively penetrate through the front end face and the rear end face of the outer shell, the filter element is embedded in the front end face and the rear end face of the device shell, the wind speed measuring rotating rod is arranged on the upper side, the wind speed measurement rotating rod is fixed with wind speed rotating wheel at the upper end, the shell body is located to the runner deashing mechanism, and runner deashing mechanism and shell body up end sliding fit from top to bottom, the wind speed measurement rotating rod runs through runner deashing mechanism and stretches in runner deashing mechanism upside, and wind speed measurement rotating rod and runner deashing mechanism screw thread running fit, the wind speed rotating wheel comprises a plurality of hemispherical hollow cup shells to fix on the turning block that each other becomes the same angle. The concave surfaces of the wind cups are arranged along one direction, the rotating block is fixed at the upper end of the wind speed measuring rotating rod, and the internal dust detection equipment is a rectangular shell formed by four transparent plates.

Further, inside dust check out test set cassette includes bottom support plate, right cassette, left cassette and extrusion bullet strip, right side cassette and left cassette are symmetrical structure, and right cassette and left cassette all are fixed in on the terminal surface under the shell body, right side cassette is L type plate structure, right side cassette and left cassette cooperation are U type structure, all be fixed with bottom support plate on the terminal surface under right side cassette and the left cassette, all be fixed with the extrusion bullet strip on right side cassette and the left cassette inside wall.

Further, the outer shell comprises a sealing clamping strip, a right side outer shell, a left side outer shell, a rotating wheel ash removing mechanism mounting shell, a matching fixing buckle and an equipment shell mounting groove, wherein the right side outer shell and the left side outer shell are both rectangular block structures and are mutually matched, the upper end surfaces of the right side outer shell and the left side outer shell are both provided with the rotating wheel ash removing mechanism mounting shell, the rotating wheel ash removing mechanism mounting shell is in sliding fit with the rotating wheel ash removing mechanism, the equipment shell mounting groove is respectively arranged on the matched end surfaces of the right side outer shell and the left side outer shell, the equipment shell mounting groove respectively penetrates through the front end surface and the rear end surface of the right side outer shell and the left side outer shell, the matching fixing buckle is respectively fixed on the upper end surfaces of the right side outer shell and the left side outer shell, and a sealing clamping strip is fixed on the contact surface of the left side outer shell body matched with the right side outer shell body, and the sealing clamping strip is matched with the contact surface of the right side outer shell body matched with the left side outer shell body.

Further, the matching fixed buckle comprises a resetting extrusion spring, a rotating hinge seat, a buckle button, a matching hinge seat, a matching clamping groove and a clamping groove plate, the rotating hinge seat is fixed on the upper end surface of the left outer shell, the buckle button is in a strip block shape, the lower end of the buckle button is fixed with the matching hinge seat, the matching hinge seat is positioned in the middle of the lower end of the buckle button, the matching hinge seat is in rotating matching with the rotating hinge seat, the buckle button is rotationally fixed on the upper end surface of the left outer shell through the matching hinge seat, the lower end of the resetting extrusion spring is fixed on the upper end surface of the left outer shell, the upper end of the resetting extrusion spring is fixedly connected with the lower end surface of the head end of the buckle button, the lower end surface of the tail end of the buckle button is fixed with the buckle, the clamping groove plate is horizontally fixed on, the clamping groove plate is characterized in that a matching clamping groove is formed in the upper end face of the head end of the clamping groove plate, the matching clamping groove penetrates through the upper end face and the lower end face of the head end of the clamping groove plate, the head end of the clamping groove plate is matched with the upper end face of the left shell body, and the matching clamping groove is matched with the buckle.

Furthermore, the wind speed measuring rotating rod comprises a rotating rod body, a ratchet mechanism, a bevel gear and a wind speed measuring sensor, the upper end of the rotating rod body is fixedly connected with the wind speed rotating wheel, the lower end of the rotating rod body is rotatably connected with the ratchet mechanism, the wind speed measuring sensor is sleeved on the rotating rod body, the wind speed measuring sensor is positioned on the rotating rod body and close to one side of the ratchet mechanism, the bevel gear is fixed at the lower end of the ratchet mechanism, the part of the outer side wall of the rotating rod body, which is positioned on the upper side of the wind speed measuring sensor, is provided with a bidirectional thread, and the rotating rod body is rotatably matched with the rotating wheel ash removing.

Furthermore, the ratchet mechanism comprises a ratchet cover plate, a ratchet rotating shaft, a plurality of extrusion springs, pawls, a ratchet shell rotating shaft, a ratchet shell and a ratchet, the ratchet shell is a hollow cylinder without a top and a bottom, the ratchet shell rotating shaft is fixed on the lower end face of the ratchet shell, the ratchet shell rotating shaft is fixedly connected with a bevel gear, the pawls are arranged in a plurality, the pawls are arranged on the inner side wall of the ratchet shell in a sliding manner, the extrusion springs are arranged in a plurality, the extrusion springs are all embedded in the inner side of the ratchet shell and respectively correspond to the pawls, one end of each extrusion spring is fixedly connected with the pawls, the other end of each extrusion spring is fixedly connected with the ratchet shell, the ratchet rotating shaft is fixed on the ratchet, the ratchet is fixed on the inner side of the ratchet shell through the ratchet rotating shaft and matched with the pawls, the ratchet cover plate is fixed on the upper end face of the, and the ratchet wheel rotating shaft penetrates through the ratchet wheel cover plate and extends to the upper side of the ratchet wheel cover plate, the ratchet wheel cover plate is in rotating fit with the ratchet wheel rotating shaft, and the upper end of the ratchet wheel rotating shaft is fixedly connected with the lower end of the rotating rod body.

Further, runner deashing mechanism includes limiting plate, movable plate, screw hole and clean brush, the movable plate is flat rectangular plate, the movable plate center is equipped with the screw hole, the movable plate passes through screw hole and bull stick body screw-thread fit, be equipped with the limiting plate on the terminal surface under the movable plate, the limiting plate cooperatees with runner deashing mechanism installation casing, evenly arranged on the movable plate up end has clean brush.

Further, cross the filter core including crossing the filter core shell, crossing the filter core stopper and crossing the filter core body, cross the cylindrical casing that the filter core shell is that the front and back terminal surface link up, be equipped with on crossing the filter core stopper on crossing the filter core shell lateral wall, it is inboard to cross the filter core body and be fixed in the filter core shell, cross the filter core shell and be fixed in on the equipment casing front and back terminal surface through crossing the filter core stopper, it is 500 mesh filter screens to cross the filter core.

Further, the equipment housing includes helical blade, bolt bevel gear, equipment housing body, empty gas detection surveys sensor probe, helical blade pivot and pivot mount, the hollow cylinder casing that link up around the equipment housing body is, the pivot mount is fixed in equipment housing body inboard, the helical blade pivot is rotated and is fixed in on the pivot mount, and the terminal surface all is fixed with helical blade around the helical blade pivot, empty gas detection surveys sensor probe and is fixed in on the equipment housing body inside wall, and is located between two helical blade, bolt bevel gear is fixed to overlap in the helical blade pivot, bolt bevel gear meshes with bevel gear mutually.

Further, the working steps of the sensing head of the wind speed monitoring device for the coal mine are as follows:

1) fixing the equipment at the position of a coal mine ventilation pipeline;

2) ventilating the coal mine, driving the wind speed rotating wheel to rotate, driving the rotating rod body to rotate by the rotation of the wind speed rotating wheel, driving the ratchet rotating shaft to rotate by the rotation of the rotating rod body, driving the ratchet to rotate by the rotation of the ratchet rotating shaft, and driving the ratchet shell to rotate by the engagement of the pawl and the ratchet;

3) the rotation of the ratchet shell drives the rotation shaft of the ratchet shell to rotate so as to drive the bevel gear to rotate, the bevel gear is meshed with the bolt bevel gear so as to drive the bolt bevel gear to rotate, and the bolt bevel gear drives the rotation shaft of the helical blade to rotate so as to drive the helical blade to rotate;

4) the helical blade rotates to enable the airflow to enter the equipment shell, fixed impurities in the airflow are filtered through the filter element, and the filtered airflow is analyzed through the air detection sensor probe and then flows out of the equipment from the tail end of the equipment shell;

5) analyzing the components of the air flow by an air detection sensor probe;

6) the rotating rod body rotates, and the wind speed is measured by the wind speed measuring sensor;

7) meanwhile, the rotating rod body and the threaded hole rotate relatively, so that the moving plate moves upwards, the cleaning brush is slowly close to the wind speed rotating wheel, and the wind speed rotating wheel is cleaned;

8) observing the internal dust detection equipment after a period of time, and disassembling the equipment when more dust appears in the internal dust detection equipment;

9) pressing a buckle button to separate a buckle from a matched clamping groove and further separate the buckle button from a clamping groove plate, so that a left outer shell and a right outer shell are separated, taking out the equipment shell, and simultaneously disassembling the filter core and the internal dust detection equipment, thereby cleaning the equipment shell, the wind speed measuring rotating rod, the wind speed rotating wheel, the filter core and the internal dust detection equipment;

10) and after cleaning, reassembling and re-fixing the assembled equipment at the position of the ventilation pipeline of the coal mine.

Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a rotating wheel ash cleaning mechanism, so that the wind speed rotating wheel can be cleaned, the phenomenon that the measurement precision of equipment is reduced and even the equipment is damaged due to dust accumulated on the wind speed rotating wheel is avoided, the equipment shell is arranged, the content of substances in gas passing through the equipment can be detected, so that a detection person can clearly know whether the mine is safe or not, the arranged filter core can filter the gas entering the equipment to prevent impurities from entering the equipment to cause the equipment to be damaged, the service life of the equipment is greatly prolonged, the arranged internal dust detection equipment can observe whether dust enters the equipment or not, when dust is arranged in the internal dust detection equipment, the fact that the interior of the equipment contains dust is probably indicated, when more dust is arranged in the internal dust detection equipment, the fact that the interior of the equipment needs to be cleaned is indicated, the invention drives the equipment shell through the wind speed measuring rotating rod, the invention further has the advantages that the spiral blade rotates, air flow is sucked into the equipment in an accelerating mode, detection is convenient, the ratchet mechanism is arranged, the phenomenon that the spiral blade rotates to accelerate the rotation of the wind speed rotating wheel, and further measurement errors occur is avoided, and the invention has the advantages of strong cleaning capability, capability of measuring whether toxic substances are contained in air and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the general structure of a sensor head of a wind speed monitoring device for coal mines according to the invention;

FIG. 2 is a schematic structural diagram of a clamping seat of an internal dust detection device of a sensing head of the wind speed monitoring device for coal mines, according to the invention;

FIG. 3 is a schematic structural diagram of an outer casing of a sensor head of the wind speed monitoring device for coal mines according to the present invention;

FIG. 4 is a schematic structural diagram of a fixing buckle fitted on a left outer casing of a sensor head of the wind speed monitoring device for coal mines according to the present invention;

FIG. 5 is a schematic structural diagram of a mating fixing buckle on a right outer casing of a sensor head of the wind speed monitoring device for coal mines according to the present invention;

FIG. 6 is a schematic structural diagram of a wind speed measuring rotating rod of a sensing head of the wind speed monitoring device for coal mines according to the present invention;

FIG. 7 is a schematic structural diagram of a ratchet mechanism of a sensor head of the wind speed monitoring device for coal mines according to the present invention;

FIG. 8 is a schematic structural diagram of a rotating wheel ash removal mechanism of a sensor head of the wind speed monitoring device for coal mines according to the present invention;

FIG. 9 is a schematic structural diagram of a filter element of a sensor head of the wind speed monitoring device for coal mines according to the present invention;

fig. 10 is a schematic structural diagram of an apparatus casing of a sensor head of the wind speed monitoring device for coal mines according to the present invention.

In the figure: 1-internal dust detection equipment clamping seat, 2-outer shell, 3-wind speed measurement rotating rod, 4-wind speed rotating wheel, 5-rotating wheel ash removal mechanism, 6-filter element, 7-equipment shell, 8-internal dust detection equipment, 11-bottom supporting plate, 12-right clamping seat, 13-left clamping seat, 14-extrusion elastic strip, 21-sealing clamping strip, 22-right outer shell, 23-left outer shell, 24-rotating wheel ash removal mechanism installation shell, 25-matching fixed buckle, 26-equipment shell installation groove, 251-resetting extrusion spring, 252-rotating hinge seat, 253-buckle, 254-buckle button, 255-matching hinge seat, 256-matching clamping groove, 257-clamping groove plate and 31-rotating rod body, 32-ratchet mechanism, 33-bevel gear, 34-wind speed measuring sensor, 321-ratchet cover plate, 322-ratchet rotating shaft, 323-extrusion spring, 324-pawl, 325-ratchet shell rotating shaft, 326-ratchet shell, 327-ratchet, 51-limiting plate, 52-moving plate, 53-threaded hole, 54-cleaning brush, 61-filter core shell, 62-filter core limiting block, 63-filter core body, 71-helical blade, 72-bolt bevel gear, 73-equipment shell body, 74-air detection sensor probe, 75-helical blade rotating shaft and 76-rotating shaft fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: a sensing head of a wind speed monitoring device for a coal mine comprises an internal dust detection device clamping seat 1, an outer shell 2, a wind speed measuring rotating rod 3, a wind speed rotating wheel 4, a rotating wheel dust cleaning mechanism 5, a filter core 6, a device shell 7 and an internal dust detection device 8, wherein the internal dust detection device clamping seat 1 is fixed on the lower end face of the outer shell 2, the internal dust detection device 8 is in sliding fit with the inner side of the internal dust detection device clamping seat 1, the internal dust detection device 8 is fixed on the lower end face of the outer shell 2 through the internal dust detection device clamping seat 1, the device shell 7 is embedded in the inner side of the outer shell 2, the front end face and the rear end face of the device shell 7 respectively penetrate through the front end face and the rear end face of the outer shell 2, the filter core 6 is embedded in the front end face and the rear end face of the device shell, and wind speed measurement bull stick 3 and shell body 2 normal running fit, wind speed measurement bull stick 3 upper end is fixed with wind speed runner 4, shell body 2 is located to runner deashing mechanism 5, and runner deashing mechanism 5 and shell body 2 up end sliding fit from top to bottom, wind speed measurement bull stick 3 runs through runner deashing mechanism 5 and stretches in 5 upsides of runner deashing mechanism, and wind speed

measurement bull stick

3 and 5 screw thread normal running fit of runner deashing mechanism, wind speed runner 4 comprises a plurality of hemispherical hollow cup shells, and fix on the rotor that each other becomes the same angle. The concave surfaces of the wind cups are arranged along one direction, the rotating block is fixed at the upper end of the wind speed measuring rotating rod 3, and the internal dust detection equipment 8 is a rectangular shell consisting of four transparent plates.

As shown in fig. 2, the clamping seat 1 of the internal dust detection device includes a bottom supporting plate 11, a right clamping seat 12, a left clamping seat 13 and an extrusion elastic strip 14, the right clamping seat 12 and the left clamping seat 13 are of a symmetrical structure, and the right clamping seat 12 and the left clamping seat 13 are both fixed on the lower end surface of the outer shell 2, the right clamping seat 12 is of an L-shaped plate structure, the right clamping seat 12 and the left clamping seat 13 are matched into a U-shaped structure, the bottom supporting plate 11 is fixed on the lower end surfaces of the right clamping seat 12 and the left clamping seat 13, and the extrusion elastic strip 14 is fixed on the inner side walls of the right clamping seat 12.

As shown in fig. 3, the outer casing 2 includes a sealing strip 21, a right outer casing 22, a left outer casing 23, a wheel ash removal mechanism installation casing 24, a fitting fixing buckle 25 and an equipment casing installation groove 26, the right outer casing 22 and the left outer casing 23 are all rectangular block structures, and the right outer casing 22 and the left outer casing 23 are mutually fitted with each other, the right outer casing 22, the upper end surface of the left outer casing 23 is provided with the wheel ash removal mechanism installation casing 24, the wheel ash removal mechanism installation casing 24 is in sliding fit with the wheel ash removal mechanism 5, the equipment casing installation groove 26 is respectively arranged on the matched end surfaces of the right outer casing 22 and the left outer casing 23, the equipment casing installation groove 26 respectively penetrates through the front and rear end surfaces of the right outer casing 22 and the left outer casing 23, the fitting fixing buckle 25 is respectively fixed on the upper end surfaces of the right outer casing 22 and the left outer casing 23, and the And in cooperation, a sealing clamping strip 21 is fixed on the contact surface of the left outer shell 23 matched with the right outer shell 22, and the sealing clamping strip 21 is matched with the contact surface of the right outer shell 22 matched with the left outer shell 23.

As shown in fig. 4-5, the fixed and cooperating buckle 25 includes a return extrusion spring 251, a rotating hinge seat 252, a buckle 253, a buckle button 254, a cooperating hinge seat 255, a cooperating buckle slot 256 and a buckle slot plate 257, the rotating hinge seat 252 is fixed on the upper end surface of the left outer shell 23, the buckle button 254 is in a long block shape, the lower end of the buckle button 254 is fixed with the cooperating hinge seat 255, the cooperating hinge seat 255 is located in the middle of the lower end of the buckle button 254, the cooperating hinge seat 255 is rotatably fitted with the rotating hinge seat 252, the buckle button 254 is rotatably fixed on the upper end surface of the left outer shell 23 by the cooperating hinge seat 255, the lower end of the return extrusion spring 251 is fixed on the upper end surface of the left outer shell 23, the upper end of the return extrusion spring 251 is fixedly connected with the lower end surface of the head end of the buckle button 254, the lower end surface, the end of draw-in groove board 257 and right side shell body 22 fixed connection are equipped with cooperation draw-in groove 256 on the draw-in groove board 257 head end up end, and cooperation draw-in groove 256 runs through draw-in groove board 257 head end up end down terminal surface, and draw-in groove board 257 head end cooperatees with left side shell body 23 up end, and cooperation draw-in groove 256 cooperatees with buckle 253.

As shown in fig. 6, the wind speed measuring rotating rod 3 includes a rotating rod body 31, a ratchet mechanism 32, a bevel gear 33 and a wind speed measuring sensor 34, the upper end of the rotating rod body 31 is fixedly connected with the wind speed rotating wheel 4, the lower end of the rotating rod body 31 is rotatably connected with the ratchet mechanism 32, the wind speed measuring sensor 34 is sleeved on the rotating rod body 31, the wind speed measuring sensor 34 is located on the rotating rod body 31 near one side of the ratchet mechanism 32, the bevel gear 33 is fixed at the lower end of the ratchet mechanism 32, a bidirectional thread is arranged on the outer side wall of the rotating rod body 31 at the upper side of the wind speed measuring sensor 34, and the rotating rod body 31 is rotatably matched with the rotating wheel ash.

As shown in fig. 7, the ratchet mechanism 32 includes a ratchet cover plate 321, a ratchet rotating shaft 322, a plurality of pressing springs 323, a plurality of pawls 324, a ratchet housing rotating shaft 325, a ratchet housing 326 and a ratchet 327, the ratchet housing 326 is a hollow cylinder with no top and bottom, the ratchet housing rotating shaft 325 is fixed on the lower end surface of the ratchet housing 326, the ratchet housing rotating shaft 325 is fixedly connected with the bevel gear 33, the plurality of pawls 324 are arranged in a plurality, the plurality of pawls 324 are slidably arranged on the inner side wall of the ratchet housing 326, the plurality of pressing springs 323 are arranged in a plurality, the plurality of pressing springs 323 are embedded inside the ratchet housing 326, the plurality of pressing springs 323 respectively correspond to the plurality of pawls 324, one end of each pressing spring 323 is fixedly connected with the pawl 324, the other end of each pressing spring is fixedly connected with the ratchet housing 326, the ratchet rotating shaft 322 is fixed on the ratchet 327, the ratchet 327 is rotatably fixed inside the ratchet housing 326 through the ratchet rotating shaft 322, the ratchet cover 321 is penetrated by the ratchet shaft 322 and extends to the upper side of the ratchet cover 321, the ratchet cover 321 is rotatably engaged with the ratchet shaft 322, and the upper end of the ratchet shaft 322 is fixedly connected with the lower end of the rotating rod body 31.

As shown in fig. 8, the rotating wheel ash removal mechanism 5 includes a limiting plate 51, a moving plate 52, a threaded hole 53 and a cleaning brush 54, the moving plate 52 is a flat rectangular plate, the threaded hole 53 is formed in the center of the moving plate 52, the moving plate 52 is in threaded fit with the rotating rod body 31 through the threaded hole 53, the limiting plate 51 is arranged on the lower end face of the moving plate 52, the limiting plate 51 is matched with the rotating wheel ash removal mechanism mounting shell 24, and the cleaning brush 54 is uniformly arranged on the upper end face of the moving plate 52.

As shown in fig. 9, the filter element 6 includes a filter element housing 61, a filter element stopper 62 and a filter element body 63, the filter element housing 61 is a cylindrical shell with front and rear end faces penetrating, the outer side wall of the filter element housing 61 is provided with the filter element stopper 62, the filter element body 63 is fixed on the inner side of the filter element housing 61, the filter element housing 61 is fixed on the front and rear end faces of the device housing 7 through the filter element stopper 62, and the filter element is a 500-mesh filter screen.

As shown in fig. 10, the device housing 7 includes a spiral blade 71, a bolt bevel gear 72, a device housing body 73, an air detection sensor probe 74, a spiral blade rotating shaft 75 and a rotating shaft fixing frame 76, the device housing body 73 is a hollow cylindrical housing penetrating front and back, the rotating shaft fixing frame 76 is fixed inside the device housing body 73, the spiral blade rotating shaft 75 is rotatably fixed on the rotating shaft fixing frame 76, the spiral blade 71 is fixed on the front and back end surfaces of the spiral blade rotating shaft 75, the air detection sensor probe 74 is fixed on the inner side wall of the device housing body 73 and is located between the two spiral blades 71, the bolt bevel gear 72 is fixedly sleeved on the spiral blade rotating shaft 75, and the bolt bevel gear 72 is engaged with the bevel gear 33.

The working steps of a sensing head of the wind speed monitoring device for the coal mine are as follows:

1) fixing the equipment at the position of a coal mine ventilation pipeline;

2) the coal mine is ventilated, the wind speed rotating wheel 4 is driven to rotate, the wind speed rotating wheel 4 rotates to drive the rotating rod body 31 to rotate, the rotating rod body 31 rotates to drive the ratchet rotating shaft 322 to rotate, the ratchet rotating shaft 322 rotates to drive the ratchet 327 to rotate, the pawl 324 is meshed with the ratchet 327, and the ratchet shell 326 is driven to rotate;

3) the rotation of the ratchet shell 326 drives the rotation of the ratchet shell rotating shaft 325 to drive the rotation of the bevel gear 33, the bevel gear 33 is meshed with the bolt bevel gear 72 to drive the bolt bevel gear 72 to rotate, and the bolt bevel gear 72 drives the rotation of the helical blade rotating shaft 75 to drive the helical blade 71 to rotate;

4) the helical blade 71 rotates to enable the airflow to enter the equipment shell 7, fixed impurities in the airflow are filtered through the filter element 6, and the filtered airflow is analyzed through the air detection sensor probe 74 and then flows out of the equipment from the tail end of the equipment shell 7;

5) the air detection sensor probe 74 analyzes the composition of the air flow;

6) the rotating rod body 31 rotates, and the wind speed is measured by the wind speed measuring sensor 34;

7) meanwhile, the rotating rod body 31 and the threaded hole 53 rotate relatively, so that the moving plate 52 moves upwards, the cleaning brush 54 slowly approaches the wind speed rotating wheel 4, and the wind speed rotating wheel 4 is cleaned;

8) after a period of time, observing the internal dust detection device 8, and when more dust appears in the internal dust detection device 8, disassembling the device;

9) the buckle button 254 is pressed to separate the buckle 253 from the matching clamping groove 256 and further separate the buckle button 254 from the clamping groove plate 257, so that the left outer shell 23 and the right outer shell 22 are separated, the equipment shell 7 is taken out, and meanwhile, the filter core 6 and the internal dust detection equipment 8 are disassembled, so that the equipment shell 7, the wind speed measuring rotating rod 3, the wind speed rotating wheel 4, the filter core 6 and the internal dust detection equipment 8 are cleaned;

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sensing head of a wind speed monitoring device for a coal mine comprises an internal dust detection device clamping seat (1), an outer shell (2), a wind speed measuring rotating rod (3), a wind speed rotating wheel (4), a rotating wheel ash cleaning mechanism (5), a filter element (6), a device shell (7) and an internal dust detection device (8), and is characterized in that the internal dust detection device clamping seat (1) is fixed on the lower end face of the outer shell (2), the internal dust detection device (8) is in sliding fit with the inner side of the internal dust detection device clamping seat (1), the internal dust detection device (8) is fixed on the lower end face of the outer shell (2) through the internal dust detection device clamping seat (1), the device shell (7) is embedded in the outer shell (2), the front end face and the rear end face of the device shell (7) respectively penetrate through the front end face and the rear end face of the outer shell (2), the filter element (6) is embedded in the front, the wind speed measuring rotating rod (3) is arranged on the upper side of the outer shell (2), the lower side of the wind speed measuring rotating rod (3) penetrates through the outer shell (2) and is in transmission connection with the equipment shell (7), the wind speed measuring rotating rod (3) is in running fit with the outer shell (2), a wind speed rotating wheel (4) is fixed at the upper end of the wind speed measuring rotating rod (3), the rotating wheel ash cleaning mechanism (5) is arranged on the outer shell (2), the rotating wheel ash cleaning mechanism (5) is in up-and-down sliding fit with the upper end face of the outer shell (2), the wind speed measuring rotating rod (3) penetrates through the rotating wheel ash cleaning mechanism (5) and extends to the upper side of the rotating wheel ash cleaning mechanism (5), the wind speed measuring rotating rod (3) is in threaded running fit with the rotating wheel ash cleaning mechanism (5), the wind speed rotating wheel (4) is composed of a plurality of hemispherical hollow cup shells and is fixed on rotating blocks which, the rotating block is fixed at the upper end of the wind speed measuring rotating rod (3), and the internal dust detection equipment (8) is a rectangular shell formed by four transparent plates.

2. The sensing head of the wind speed monitoring device for the coal mine according to claim 1, wherein the internal dust detection device clamping seat (1) comprises a bottom supporting plate (11), a right clamping seat (12), a left clamping seat (13) and an extrusion elastic strip (14), the right clamping seat (12) and the left clamping seat (13) are of a symmetrical structure, the right clamping seat (12) and the left clamping seat (13) are both fixed on the lower end surface of the outer shell (2), the right clamping seat (12) is of an L-shaped plate structure, the right clamping seat (12) and the left clamping seat (13) are matched into a U-shaped structure, the bottom supporting plate (11) is fixed on the lower end surface of the right clamping seat (12) and the lower end surface of the left clamping seat (13), and the extrusion elastic strip (14) is fixed on the inner side walls of the right clamping seat (12) and the left clamping seat (13).

3. The sensing head of the wind speed monitoring device for the coal mine according to claim 1, wherein the outer shell (2) comprises a sealing strip (21), a right outer shell (22), a left outer shell (23), a rotating wheel ash removal mechanism mounting shell (24), a matching fixing buckle (25) and an equipment shell mounting groove (26), the right outer shell (22) and the left outer shell (23) are all rectangular block structures, the right outer shell (22) and the left outer shell (23) are mutually matched, the rotating wheel ash removal mechanism mounting shells (24) are arranged on the upper end surfaces of the right outer shell (22) and the left outer shell (23), the rotating wheel ash removal mechanism mounting shell (24) is in sliding fit with the rotating wheel ash removal mechanism (5), the equipment shell mounting grooves (26) are respectively arranged on the matched end surfaces of the right outer shell (22) and the left outer shell (23), and equipment casing mounting groove (26) run through terminal surface around right side shell body (22) and left side shell body (23) respectively, cooperation fixed buckle (25) are fixed in respectively on right side shell body (22) and left side shell body (23) up end, and cooperation fixed buckle (25) of right side shell body (22) upper end cooperate with cooperation fixed buckle (25) of left side shell body (23) upper end, be fixed with on left side shell body (23) and right side shell body (22) matched with contact surface sealed card strip (21), sealed card strip (21) cooperate with left side shell body (23) matched with contact surface on with right side shell body (22).

4. The sensor head of the wind speed monitoring device for the coal mine according to claim 3, wherein the fixed engaging buckle (25) comprises a return pressing spring (251), a rotating hinge seat (252), a buckle (253), a buckle button (254), an engaging hinge seat (255), an engaging groove (256) and a groove plate (257), the rotating hinge seat (252) is fixed on the upper end surface of the left outer shell (23), the buckle button (254) is in a long block shape, the lower end of the buckle button (254) is fixed with the engaging hinge seat (255), the engaging hinge seat (255) is located in the middle of the lower end of the buckle button (254), the engaging hinge seat (255) is rotatably engaged with the rotating hinge seat (252), the buckle button (254) is rotatably fixed on the upper end surface of the left outer shell (23) through the engaging hinge seat (255), the lower end of the return pressing spring (251) is fixed on the upper end surface of the left outer shell (23), reset extrusion spring (251) upper end and buckle button (254) head end under the terminal fixed connection, buckle button (254) terminal end down is fixed with buckle (253), draw-in groove board (257) level is fixed in on right side shell body (22) up end, draw-in groove board (257) terminal and right side shell body (22) fixed connection, be equipped with cooperation draw-in groove (256) on draw-in groove board (257) head end up end, terminal surface about cooperation draw-in groove board (256) runs through draw-in groove board (257) head end, draw-in groove board (257) head end cooperatees with left side shell body (23) up end, cooperation draw-in groove (256) cooperate with buckle (253).

5. The sensor head of the wind speed monitoring device for coal mine according to claim 1, the wind speed measuring rotating rod (3) comprises a rotating rod body (31), a ratchet mechanism (32), a bevel gear (33) and a wind speed measuring sensor (34), the upper end of the rotating rod body (31) is fixedly connected with the wind speed rotating wheel (4), the lower end of the rotating rod body (31) is rotatably connected with the ratchet mechanism (32), the wind speed measuring sensor (34) is sleeved on the rotating rod body (31), and the wind speed measuring sensor (34) is positioned on one side of the rotating rod body (31) close to the ratchet mechanism (32), a bevel gear (33) is fixed at the lower end of the ratchet mechanism (32), a bidirectional thread is arranged on the outer side wall of the rotating rod body (31) at the upper side part of the wind speed measuring sensor (34), the rotating rod body (31) is in rotating fit with the rotating wheel ash removal mechanism (5) through bidirectional threads.

6. The coal mine wind speed monitoring device sensing head according to claim 5, wherein the ratchet mechanism (32) comprises a ratchet cover plate (321), a ratchet rotating shaft (322), a plurality of extrusion springs (323), pawls (324), a ratchet shell rotating shaft (325), a plurality of ratchet shells (326) and a ratchet (327), the ratchet shell (326) is a hollow cylinder without top and bottom, the ratchet shell rotating shaft (325) is fixed on the lower end surface of the ratchet shell (326), the ratchet shell rotating shaft (325) is fixedly connected with the bevel gear (33), the pawls (324) are provided with a plurality of pawls (324), the pawls (324) are slidably arranged on the inner side wall of the ratchet shell (326), the extrusion springs (323) are provided with a plurality of extrusion springs (323) embedded inside the ratchet shell (326), and the extrusion springs (323) correspond to the pawls (324) respectively, one end of the extrusion spring (323) is fixedly connected with the pawl (324), the other end of the extrusion spring is fixedly connected with the ratchet shell (326), the ratchet rotating shaft (322) is fixed on the ratchet wheel (327), the ratchet wheel (327) is rotationally fixed on the inner side of the ratchet shell (326) through the ratchet rotating shaft (322), the ratchet wheel (327) is matched with the pawl (324), the ratchet cover plate (321) is fixed on the upper end surface of the ratchet shell (326), the ratchet rotating shaft (322) penetrates through the ratchet cover plate (321) to extend to the upper side of the ratchet cover plate (321), the ratchet cover plate (321) is rotationally matched with the ratchet rotating shaft (322), and the upper end of the ratchet rotating shaft (322) is fixedly connected with the lower end of the rotating rod body (31).

7. The sensor head of the wind speed monitoring device for the coal mine according to claim 1, wherein the rotating wheel ash removal mechanism (5) comprises a limiting plate (51), a moving plate (52), a threaded hole (53) and a cleaning brush (54), the moving plate (52) is a flat rectangular plate, the threaded hole (53) is formed in the center of the moving plate (52), the moving plate (52) is in threaded fit with the rotating rod body (31) through the threaded hole (53), the limiting plate (51) is arranged on the lower end face of the moving plate (52), the limiting plate (51) is matched with the rotating wheel ash removal mechanism mounting shell (24), and the cleaning brush (54) is uniformly arranged on the upper end face of the moving plate (52).

8. The sensing head of the wind speed monitoring device for the coal mine according to claim 1, wherein the filter core (6) comprises a filter core housing (61), a filter core limiting block (62) and a filter core body (63), the filter core housing (61) is a cylindrical shell with a through front end face and a through rear end face, the filter core limiting block (62) is arranged on the outer side wall of the filter core housing (61), the filter core body (63) is fixed on the inner side of the filter core housing (61), the filter core housing (61) is fixed on the front end face and the rear end face of the equipment housing (7) through the filter core limiting block (62), and the filter core is a 500-mesh filter screen.

9. The sensing head of the coal mine wind speed monitoring device according to claim 1, wherein the equipment housing (7) comprises a helical blade (71), a bolt bevel gear (72), an equipment housing body (73), an air detection sensor probe (74), a helical blade rotating shaft (75) and a rotating shaft fixing frame (76), the equipment housing body (73) is a hollow cylindrical housing which is through from front to back, the rotating shaft fixing frame (76) is fixed on the inner side of the equipment housing body (73), the helical blade rotating shaft (75) is rotationally fixed on the rotating shaft fixing frame (76), the helical blade (71) is fixed on the front end face and the back end face of the helical blade rotating shaft (75), the air detection sensor probe (74) is fixed on the inner side wall of the equipment housing body (73) and is positioned between the two helical blades (71), the bolt bevel gear (72) is fixedly sleeved on the helical blade rotating shaft (75), the bolt bevel gear (72) is meshed with the bevel gear (33).

10. The sensor head of the wind speed monitoring device for coal mines according to claim 1, wherein the operation steps of the sensor head of the wind speed monitoring device for coal mines are as follows:

1) fixing the equipment at the position of a coal mine ventilation pipeline;

2) the coal mine is ventilated, the wind speed rotating wheel (4) is driven to rotate, the wind speed rotating wheel (4) rotates to drive the rotating rod body (31) to rotate, the rotating rod body (31) rotates to drive the ratchet wheel rotating shaft (322) to rotate, the ratchet wheel rotating shaft (322) rotates to drive the ratchet wheel (327) to rotate, and the pawl (324) is meshed with the ratchet wheel (327) to further drive the ratchet wheel shell (326) to rotate;

3) the ratchet shell (326) rotates to drive the ratchet shell rotating shaft (325) to rotate so as to drive the bevel gear (33) to rotate, the bevel gear (33) is meshed with the bolt bevel gear (72) so as to drive the bolt bevel gear (72) to rotate, and the bolt bevel gear (72) drives the helical blade rotating shaft (75) to rotate so as to drive the helical blade (71) to rotate;

4) the helical blade (71) rotates to enable the airflow to enter the equipment shell (7), the fixed impurities in the airflow are filtered through the filter element (6), and the filtered airflow is analyzed through the air detection sensor probe (74) and then flows out of the equipment through the tail end of the equipment shell (7);

5) the air detection sensor probe (74) analyzes the components of the air flow;

6) the rotating rod body (31) rotates, and the wind speed is measured by the wind speed measuring sensor (34);

7) meanwhile, the rotating rod body (31) and the threaded hole (53) rotate relatively, so that the moving plate (52) moves upwards, the cleaning brush (54) slowly approaches to the wind speed rotating wheel (4), and the wind speed rotating wheel (4) is cleaned;

8) observing the internal dust detection equipment (8) after a period of time, and detaching the equipment when more dust appears in the internal dust detection equipment (8);

9) the clamping button (254) is pressed to separate the clamping buckle (253) from the matched clamping groove (256), and further the clamping buckle (254) is separated from the clamping groove plate (257), so that the left outer shell (23) is separated from the right outer shell (22), the equipment shell (7) is taken out, and the filter core (6) and the internal dust detection equipment (8) are detached simultaneously, so that the equipment shell (7), the wind speed measuring rotating rod (3), the wind speed rotating wheel (4), the filter core (6) and the internal dust detection equipment (8) are cleaned;