CN114658675A

CN114658675A - Intelligent local fan ventilator capable of adjusting blades in large range and stepless manner and method thereof

Info

Publication number: CN114658675A
Application number: CN202210303174.XA
Authority: CN
Inventors: 李宏业; 刘强; 薛超宏; 高俊强; 王鹏; 王星
Original assignee: Novenke Intelligent Ventilation Research Institute Xi'an Co ltd
Current assignee: Novenke Intelligent Ventilation Research Institute Xi'an Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-06-24

Abstract

An intelligent local fan ventilator capable of adjusting blades in a large range and a method thereof belong to the technical field of ventilation equipment, and are troublesome in operation because the size of the fan blades of the local fan ventilator cannot be adjusted and the air supply quantity cannot meet the use requirement and a ventilator needs to be additionally erected; and the ground of the mine is accumulated with water when the mine is excavated, so that the ventilator on the ground is soaked; the extension fan blades are arranged in the tail ends of the main fan blades and are movably connected with the moving disc on the outer wall of the rotating shaft through the movable connecting rod, the moving disc is connected with the electric telescopic rod to control the extension fan blades to move, the acting area of the integral fan blades is adjusted to enhance air supply, an air supply channel is arranged at the bottom of the air duct to be communicated with the suspension piece, the air supply of the fan blades is guided into the casing to control the main floating turnover plate and the movable floating plate to deflect and extend, and the fan is suspended on the water surface of the accumulated water in the mine by utilizing the main floating turnover plate and the movable floating plate; the invention can effectively enhance the air supply effect of the fan and solve the problem that the fan is soaked by accumulated water in a mine.

Description

Intelligent local fan ventilator capable of adjusting blades in large range in stepless manner and method thereof

Technical Field

The invention relates to the technical field of ventilation equipment, in particular to an intelligent local fan ventilator capable of adjusting blades in a large-range stepless manner and a method thereof.

Background

The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. The exhaust pressure is lower than 1.5 x 10^4 Pa. Modern ventilators are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and sorting of grains, wind tunnel wind sources and inflation and propulsion of air cushion boats, and the like. The local fan is a ventilator used in local places, such as underground roadways and cave mining.

However, most of the existing local fan ventilators are fixed in shape and size, the size of the fan blades cannot be adjusted, the air volume during air supply mainly depends on the step adjustment of the rotating speed of the fan blades, when the rotating speed of the fan blades reaches the maximum output, the problem that the air supply volume of part of ventilators cannot meet the use requirement exists, and at the moment, an additional ventilator needs to be erected, and the operation is troublesome; moreover, the local fan ventilator is mostly erected on the ground under the mine, the phenomenon of water seepage exists in the local fan ventilator during mine excavation, water accumulation can occur under the mine at night, the local fan ventilator placed on the ground faces the threat of water inflow, irretrievable damage is caused to the local fan ventilator, and the use of the local fan ventilator is influenced.

Therefore, an intelligent local fan ventilator with a wide-range stepless blade adjustment and a method thereof are provided.

Disclosure of Invention

The invention aims to provide an intelligent local fan ventilator capable of adjusting blades in a large range in a stepless manner and a method thereof, and aims to solve the problems that in the background art, the size of the fan blades of the local fan ventilator cannot be adjusted, the air supply quantity cannot meet the use requirement after the rotating speed of the fan blades reaches the maximum output, an additional ventilator needs to be erected, and the operation is relatively troublesome; and the problem that the ground of the mine is accumulated with water during mine excavation, so that the local fan ventilator on the ground faces the threat of water inflow and the damage to the local fan ventilator cannot be recovered.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent local fan ventilator capable of being adjusted by stepless blades in a large range and a method thereof, the intelligent local fan ventilator comprises an air duct and support brackets arranged at two ends of the bottom of the air duct, the air duct is of a columnar structure, dustproof nets are arranged on the outer walls of ports at two ends of the air duct, an isolation box is arranged between the inner walls at one end of the air duct through fixing rods, a driving motor is mounted at the upper end of a bottom plate of the isolation box, the output end of the driving motor is connected with a fan blade assembly, an air supply channel is arranged at the bottom of the air duct at the position adjacent to the tail end of the fan blade assembly, two ends of the air supply channel are communicated with oblique side walls at two sides of the bottom of the air duct, the middle part of the lower end of the air supply channel is communicated with a suspension piece, an intelligent controller is arranged on the side wall of the air duct, and a compression-resistant assembly is arranged at the top end of the air duct;

the fan blade assembly comprises a rotating shaft connected with the output end of the driving motor, the rotating shaft penetrates and extends to the outside of the isolation box, the tail end of the rotating shaft outside the isolation box is fixedly connected with a mounting disc, main fan blades are uniformly arranged on the side wall of the mounting disc at intervals, the main fan blades are of a hollow structure, an extension fan blade is movably sleeved in a hollow cavity at the tail end of the isolation box, a moving disc is movably sleeved on the outer wall of the rotating shaft, the outer wall of one side of the moving disc, which is far away from the installation disc, is fixedly connected with the outer wall of the isolation box through an electric telescopic rod, a circular limiting groove is arranged on the outer wall of one side of the moving disc close to the mounting disc, a moving slide piece is uniformly arranged in the circular limiting groove, the moving slide piece is arranged corresponding to the main fan blade, the tail end of the moving slide piece extends to the outside of the port of the circular limiting groove, the tail end of the movable connecting rod is movably connected with a movable connecting rod, the other end of the movable connecting rod is movably connected with the outer wall of the tail end of the extension fan blade, and L-shaped push rods are fixedly connected to the inclined walls on the two sides of the bottom of the movable disc.

Furthermore, intercommunicating pores are respectively formed in the inclined inner walls at the two sides of the bottom of the air duct at the adjacent position of the tail end of the L-shaped push rod and are respectively communicated with the two ends of the air supply channel, a limiting sliding groove is formed in the air duct inner wall corresponding to the intercommunicating pores, a movable clamping plate is arranged in the limiting sliding groove, the movable sealing plates at the two sides of the upper end of the air duct bottom plate are connected through a fixed cross rod, and the two ends of the fixed cross rod are respectively fixedly connected with the tail end of the L-shaped push rod.

Further, the air duct bottom plate upper end of the terminal adjacent department of spacing spout is provided with the locating lever, the counter weight saddle has been cup jointed in the activity on the outer wall of locating lever, the top of counter weight saddle is provided with prevent wind tarpaulin, prevent wind tarpaulin's top fixed connection in the roof lower extreme of air duct, and prevent wind the air duct roof lower extreme of the adjacent department of tarpaulin and be provided with the fixed pulley through the support, the pulley groove of fixed pulley has cup jointed the stay cord, the one end fixed connection in the end of counter weight saddle of stay cord, the other end fixed connection in the upper end middle part department of fixed horizontal pole of stay cord.

Further, when the extension flabellum is accomodate in main flabellum inside, remove the closing plate and be located one side that spacing spout is close to main flabellum, and remove the sealed intercommunicating pore of closing plate, the counter weight saddle passes through the stay cord and pulls the upper portion that slides to the locating lever, and on the contrary, remove the closing plate and be located one side that main flabellum was kept away from to spacing spout, and remove the closing plate and keep away from the intercommunicating pore, the counter weight saddle slides to dryer bottom plate upper end, prevent wind the air-out port that the wind cover sheltered from the dryer.

Further, the suspension includes the opening of seting up on casing and the casing both ends lateral wall that is linked together with air supply channel lower extreme middle part, there is main board that turns over that floats through hinge movable mounting on the top inner wall of opening, it evenly is provided with the installation spout on the inner wall of turning over the board to mainly float, the direction slide rail on the installation spout internal activity block removal kickboard outer wall, and the both ends difference swing joint who removes the kickboard inner wall have movable push rod, movable push rod's the other end swing joint respectively is on the outer wall of removal baffle, remove the inner chamber of baffle activity block fit in casing, evenly be provided with the gasbag on the removal kickboard inner wall in the movable push rod outside, it is provided with level sensor to be close to bottom department on one side outer wall of casing.

Further, the movable partition board corresponds the opening setting, and sets up the same two sets ofly, and the parcel is provided with seal ring on the outer wall of movable partition board, and it is fixed continuous through telescopic link between the movable partition board lateral wall, and the movable partition board lateral wall in the telescopic link outside is provided with the elastic connection rope, and when the elastic connection rope kept normal diastole state, the movable partition board was close to each other, and was located the both sides of air supply channel lower extreme middle part air outlet respectively, and the main board that floats turns over is vertical to be set up the shutoff opening.

Further, the resistance to compression subassembly is including setting up the fixing base on the oblique outer wall in dryer top both sides, fixing base upper end both sides are provided with the support column, support column top fixedly connected with diaphragm, the diaphragm upper end evenly runs through and is provided with the removal post, be provided with the stopper on the outer wall of removal post, the winding is provided with buffer spring on the removal post outer wall between stopper and the diaphragm, the top of removing the post is through swing joint in the bottom of baffle, and evenly be provided with L type die-pin on the relative one side outer wall of diaphragm.

Further, the top end of the L-shaped supporting rod is attached to the bottom of the baffle, the moving column is arranged on one side, away from the tail end of the L-shaped supporting rod, of the lower end of the baffle, and when the buffer spring keeps a normal relaxation state, the tail ends of the adjacent baffles are attached to each other.

Furthermore, the mounting groove has been seted up on the top outer wall of baffle, and the even interval in bottom plate upper end of mounting groove is provided with arch elastic rod, fixedly connected with fly leaf on the middle part department outer wall of arch elastic rod, and the bottom of arch elastic rod is provided with V type bracing piece, and the bottom fixed connection of V type bracing piece is in the bottom plate upper end of mounting groove.

The invention provides another technical scheme that: the implementation method of the intelligent local fan ventilator with the large-range stepless blade adjustment function comprises the following steps:

s1: starting a driving motor to drive a rotating shaft to rotate, driving a main fan blade to rotate by matching with a mounting disc when the rotating shaft rotates to supply air, and pausing the driving motor when the rotating speed of the main fan blade reaches the maximum and still does not meet the use requirement;

s2: after the driving motor is stopped, the electric telescopic rod is controlled to extend, the electric telescopic rod pushes the movable disc to move close to the mounting disc after extending, when the movable disc moves towards the mounting disc, the extending fan blades are pushed to extend out of the inner cavity of the main fan blade through the movable connecting rod, and after the driving motor is started again, the main fan blade and the extending fan blades are synchronously driven through the rotating shaft to rotate for air supply;

s3: when water is accumulated on the mine ground, the water level sensor detects an accumulated water depth signal and transmits the accumulated water depth signal to the intelligent controller, the intelligent controller controls the electric telescopic rod to extend to carry out the step S2, when the electric telescopic rod extends to push the movable disc to move, the L-shaped push rod at the bottom of the movable disc is matched with the fixed cross rod to push the movable sealing plate to be far away from the communication hole, and the communication hole is communicated with the air supply channel;

s4: when the movable sealing plate moves, the stay cord is loosened to enable the balance weight sliding piece on the outer wall of the positioning rod to slide downwards to the bottom plate of the air duct, the balance weight sliding piece pulls the windproof tarpaulin to shield an air outlet port of the air duct, and after the air outlet port of the air duct is shielded, air enters a casing at the bottom of the air supply channel through the air supply channel;

s5: the wind promotes the separation of removal baffle after entering into the casing is inside, make elastic connection rope and telescopic link stretch the extension, when removing the baffle and removing the opening and remove, the activity push rod is turned over the board outward deflection and is turned up through removing the main board jack-up, the activity push rod promotes to remove the floating plate and outwards slides along main board outer wall mounting spout that floats after that, make and remove the floating plate and extend to the outside that the board was turned over to main floating, control afterwards and remove closing plate shutoff intercommunicating pore and make the casing sealed, with the help of main board and the inflated casing of removal floating plate and cavity that floats, with the ventilation blower suspension on the surface of water of mine ponding, behind the ponding discharge to the casing gassing resume.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention provides an intelligent local fan ventilator capable of adjusting a large-range stepless blade and a method thereof, wherein a rotating shaft is connected with the output end of a driving motor and penetrates and extends to the outside of an isolation box, the tail end of the rotating shaft at the outside of the isolation box is fixedly connected with a mounting disc, main blades are uniformly arranged on the side wall of the mounting disc at intervals, the main blades are of a hollow structure, extension blades are movably sleeved in a hollow cavity at the tail end of the main blades, a moving disc is movably sleeved on the outer wall of the rotating shaft, the outer wall of one side of the moving disc far away from the mounting disc is fixedly connected with the outer wall of the isolation box through an electric telescopic rod, a circular limiting groove is formed on the outer wall of one side of the moving disc close to the mounting disc, a moving sliding part is uniformly arranged in the circular limiting groove, the moving sliding part is movably connected with the outer wall at the tail end of the extension blades through a movable connecting rod, the driving motor is started to drive the rotating shaft to rotate, the mounting disc is matched to drive the main blades to rotate to supply air when the rotating speed of the main blades reaches the maximum, when the using requirements are not met, pause driving motor, control electric telescopic handle extension behind the pause driving motor, electric telescopic handle extension back promotes to remove the dish and removes and be close to the mounting disc, it stretches out main flabellum inner chamber to promote the extension flabellum through movable connecting rod when removing the dish to the mounting disc, it carries out rotatory air feed with the extension flabellum to drive main flabellum in step through the pivot after the driving motor restarts, through adjusting main flabellum and extending the flabellum in order to control fan flabellum size, the realization is to the regulation of flabellum to air work area, the air feed effect of fan has been strengthened in order to satisfy the user demand, convenient and fast.

2. The invention provides an intelligent local fan ventilator capable of adjusting blades in a large range and a method thereof, the middle part of the lower end of an air supply channel is communicated with a casing, the side walls of two ends of the casing are provided with through holes, a main floating turning plate is movably arranged on the inner wall of the top of the through holes through hinges, an installation chute is uniformly arranged on the inner wall of the main floating turning plate, a guide slide rail on the outer wall of a movable floating plate is movably clamped in the installation chute, two ends of the inner wall of the movable floating plate are respectively and movably connected with a movable push rod, the other end of the movable push rod is respectively and movably connected with the outer wall of a movable clapboard, the movable clapboard is movably clamped in the inner cavity of the casing, air bags are uniformly arranged on the inner wall of the movable floating plate outside the movable push rod, a water level sensor is arranged on the outer wall of one side of the casing close to the bottom, the movable clapboards are arranged corresponding to the through holes and are arranged in the same two groups, sealing gaskets are wrapped on the outer wall of the movable clapboards, and are fixedly connected through telescopic connecting rods, an elastic connecting rope is arranged between the side walls of the movable partition plates on the outer sides of the telescopic connecting rods, when water is accumulated on the mine ground, a water level sensor detects water accumulation depth signals and transmits the water accumulation depth signals to an intelligent controller, the intelligent controller controls a driving motor to drive fan blades to rotate and supply air, the air enters a machine shell at the bottom of an air supply channel through an air supply channel, the air enters the machine shell and then pushes the movable partition plates to separate, so that the elastic connecting rope and the telescopic connecting rods stretch and extend, when the movable partition plates move towards an opening, a movable push rod jacks up a main floating plate to deflect and turn up outwards through the movable floating plate, then the movable push rod pushes the movable floating plate to slide outwards along a sliding groove arranged on the outer wall of the main floating plate, so that the movable floating plate extends to the outer side of the main floating plate, then a movable sealing plate is controlled to seal a communication hole to seal the machine shell, and the ventilator is suspended on the water surface of the accumulated mine ground through the main floating plate, the movable floating plate and the hollow inflated machine shell, the ventilator is prevented from being soaked and damaged by accumulated water, and the case is deflated and recovered after the accumulated water is discharged, so that the ventilator is convenient and practical.

3. The invention provides an intelligent local fan ventilator capable of adjusting blades in a large-range stepless manner and a method thereof, wherein fixing seats are arranged on inclined outer walls on two sides of the top of an air duct, support columns are arranged on two sides of the upper end of the fixing seats, a transverse plate is fixedly connected to the top of each support column, a moving column is uniformly arranged at the upper end of the transverse plate in a penetrating manner, a limiting block is arranged on the outer wall of the moving column, a buffer spring is wound on the outer wall of the moving column between the limiting block and the transverse plate, the top of the moving column is movably connected to the bottom of a baffle plate through a movable connecting piece, L-shaped support rods are uniformly arranged on the outer wall of one side opposite to the transverse plate, the top ends of the L-shaped support rods are attached to the bottom of the baffle plate, the moving column is arranged on one side of the lower end of the baffle plate far away from the tail end of the L-shaped support rods, when the buffer spring keeps a normal relaxation state, a heavy object falls down to hit the ventilator, the movable plate contacts the arched elastic rods to cause impact deformation, the arch elastic rod drives the V-shaped supporting rod to perform elastic deformation, the heavy object is impacted to stop the rear baffle from being impacted, the baffle drives the movable column to compress the buffer spring and move downwards, the one end of the movable column is attached to the top of the L-shaped supporting rod when the baffle moves downwards, the L-shaped supporting rod pushes the baffle to deflect around the movable column when the baffle moves downwards, the impact is buffered, the fallen object is thrown to one side of the ventilator by the aid of the deflected baffle, the baffle resets under the action of the buffer spring later, the fallen object is prevented from continuously falling to cause serious damage to the fan, and effective protection of the ventilator is realized.

Drawings

FIG. 1 is a schematic view of the overall configuration of an intelligent local fan ventilator with large-scale stepless blade adjustment according to the present invention;

FIG. 2 is a cross-sectional view of an air duct of the intelligent local fan ventilator with large-scale stepless blade adjustment according to the present invention;

FIG. 3 is a schematic view of the fan blade assembly of the intelligent ventilator with stepless blade adjustment in a large range according to the present invention;

FIG. 4 is a schematic structural view showing the extended states of the main fan blades and the extended fan blades of the intelligent local fan ventilator with large-scale stepless blade adjustment according to the present invention;

fig. 5 is an enlarged schematic view of a part a of the intelligent local fan ventilator capable of adjusting wide-range stepless blades according to the invention;

FIG. 6 is a schematic structural view of a suspension member of the intelligent local fan ventilator with large-scale stepless blade adjustment according to the present invention;

FIG. 7 is a partial cross-sectional view of the housing of the intelligent local fan ventilator with wide range of stepless blade adjustment of the present invention;

FIG. 8 is a schematic view of the compression resistant assembly of the intelligent local fan ventilator with wide range stepless blade adjustment of the present invention;

FIG. 9 is a schematic view of a baffle mounting structure of an intelligent local fan ventilator with wide range stepless blade adjustment according to the present invention;

fig. 10 is a cross-sectional view of a baffle plate of the intelligent local fan ventilator with wide-range stepless blade adjustment of the present invention.

In the figure: 1. an air duct; 2. a support bracket; 3. a dust screen; 4. fixing the rod; 5. an isolation box; 6. a drive motor; 7. a fan blade assembly; 71. a rotating shaft; 72. mounting a disc; 73. a main fan blade; 74. extending the fan blades; 75. a movable tray; 76. an electric telescopic rod; 77. a circular limiting groove; 78. moving the slide; 79. a movable connecting rod; 710. an L-shaped push rod; 8. an air supply channel; 9. a suspension member; 91. a housing; 92. a port; 93. a main floating turnover plate; 94. installing a chute; 95. moving the floating plate; 96. a guide slide rail; 97. a movable push rod; 98. moving the partition plate; 99. an air bag; 910. a water level sensor; 911. a sealing gasket; 912. a telescopic connecting rod; 913. an elastic connecting rope; 10. an intelligent controller; 11. a compression resistant assembly; 111. a fixed seat; 112. a support pillar; 113. a transverse plate; 114. moving the column; 115. a limiting block; 116. a buffer spring; 117. a baffle plate; 1171. mounting grooves; 1172. an arched resilient lever; 1173. a movable plate; 1174. a V-shaped support rod; 118. an L-shaped support rod; 12. a communicating hole; 13. a limiting chute; 14. moving the sealing plate; 15. fixing the cross bar; 16. positioning a rod; 17. a counterweight slider; 18. a wind-proof tarpaulin; 19. a fixed pulley; 20. and pulling a rope.

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.

In order to solve the problems that the size of the fan blade of the local fan ventilator cannot be adjusted, the air supply rate cannot meet the use requirement after the rotating speed of the fan blade reaches the maximum output, and an additional ventilator needs to be erected, which is relatively troublesome to operate, please refer to fig. 1-5, and the following preferred technical scheme is provided:

can be on a large scale stepless blade regulation's intelligent office fan ventilation blower and method, including dryer 1 with set up in the support bracket 2 at dryer 1 bottom both ends, dryer 1 is the columnar structure, be provided with dust screen 3 on the port outer wall at dryer 1 both ends, be provided with isolation box 5 through dead lever 4 between the inner wall of dryer 1 one end, driving motor 6 is installed to isolation box 5 bottom plate upper end, driving motor 6's output is connected with flabellum subassembly 7, the dryer 1 bottom of the terminal adjacent department of flabellum subassembly 7 is provided with air supply channel 8, air supply channel 8's both ends and the oblique lateral wall of dryer 1 bottom both sides communicate, and air supply channel 8 lower extreme middle part department is linked together with suspension 9, be provided with intelligent control ware 10 on dryer 1's the lateral wall, dryer 1's top is provided with resistance to compression subassembly 11.

The fan blade assembly 7 comprises a rotating shaft 71 connected with the output end of the driving motor 6, the rotating shaft 71 penetrates and extends to the outside of the isolation box 5, a mounting disc 72 is fixedly connected to the tail end of the rotating shaft 71 outside the isolation box 5, main fan blades 73 are uniformly arranged on the side wall of the mounting disc 72 at intervals, each main fan blade 73 is of a hollow structure, an extension fan blade 74 is movably sleeved in a hollow cavity at the tail end of each main fan blade, a moving disc 75 is movably sleeved on the outer wall of the rotating shaft 71, the outer wall of one side, far away from the mounting disc 72, of the moving disc 75 is fixedly connected with the outer wall of the isolation box 5 through an electric telescopic rod 76, the electric telescopic rod 76 is electrically connected with the intelligent controller 10, a circular limiting groove 77 is formed in the outer wall of one side, close to the mounting disc 72, of the moving disc 75, a moving slide piece 78 is uniformly arranged in the circular limiting groove 77, the moving slide piece 78 is arranged corresponding to the main fan blade 73, the tail end of the moving slide piece 78 extends to the outside of the port of the circular limiting groove 77, and the movable connecting rod 79 is movably connected with the tail end, the other end of the movable connecting rod 79 is movably connected with the outer wall of the tail end of the extending fan blade 74, and the inclined walls at the two sides of the bottom of the movable disc 75 are fixedly connected with L-shaped push rods 710.

Specifically, start driving motor 6 and drive pivot 71 rotatoryly, cooperation mounting disc 72 drives main flabellum 73 rotation and carries out the air feed when pivot 71 is rotatory, when main flabellum 73 rotational speed still does not satisfy the user demand after reaching the biggest, pause driving motor 6, control electric telescopic handle 76 extension behind the pause driving motor 6, electric telescopic handle 76 promotes after extending to move set 75 and removes and be close to mounting disc 72, move set 75 and promote extension flabellum 74 through movable connecting rod 79 when moving to mounting disc 72 and stretch out main flabellum 73 inner chamber, start driving motor 6 again and drive main flabellum 73 and extension flabellum 74 through pivot 71 synchronization and carry out the rotation air feed, through adjusting main flabellum 73 and extension flabellum 74 with control fan flabellum size, realize the regulation to the fan blade does work area to the air, the air feed effect of fan has been strengthened in order to satisfy the user demand, and is convenient and fast.

In order to solve the problem that the local fan ventilator on the ground faces the threat of water inflow and causes irreparable damage to the local fan ventilator due to water accumulation on the ground during mine excavation, please refer to fig. 1-2 and fig. 6-7, and the following preferred technical scheme is provided:

the suspension 9 includes the opening 92 of seting up on the casing 91 that is linked together with 8 lower extreme middle parts of air supply channel and the casing 91 both ends lateral wall, there is main board 93 that turns over that floats through hinge movable mounting on the top inner wall of opening 92, it evenly is provided with installation spout 94 on the inner wall of turning over board 93 to mainly float, installation spout 94 interior activity block removes direction slide rail 96 on the floating plate 95 outer wall, and the both ends of removing the floating plate 95 inner wall respectively swing joint have movable push rod 97, movable push rod 97's the other end swing joint respectively is on the outer wall of removal baffle 98, remove baffle 98 activity block in the inner chamber of casing 91, evenly be provided with gasbag 99 on the removal floating plate 95 inner wall in the movable push rod 97 outside, be close to bottom department on the outer wall of one side of casing 91 and be provided with level sensor 910, be provided with discharge valve on the opposite side outer wall of casing 91.

Remove baffle 98 and correspond opening 92 setting, and set up the same two sets ofly, the parcel is provided with seal ring 911 on the outer wall of removal baffle 98, remove and link to each other through telescopic link 912 is fixed between the baffle 98 lateral wall, be provided with elastic connection rope 913 between the removal baffle 98 lateral wall in the telescopic link 912 outside, when elastic connection rope 913 keeps normal diastole state, remove baffle 98 and be close to each other, and be located the both sides of 8 lower extreme middle part air outlets of air supply channel respectively, main float and turn over the vertical setting shutoff opening 92 of board 93.

Specifically, when water is accumulated on the mine ground, the water level sensor 910 detects a water accumulation depth signal and transmits the water accumulation depth signal to the intelligent controller 10, the intelligent controller 10 controls the driving motor 6 to drive the fan blades to rotate, the air is supplied through the air supply channel 8 into the case 91 at the bottom of the air supply channel 8, the air enters the case 91 and then pushes the movable partition 98 to separate, so that the elastic connecting rope 913 and the telescopic connecting rod 912 are stretched and extended, when the movable partition 98 moves towards the through opening 92, the movable push rod 97 pushes the main floating plate 93 to deflect and turn up outwards through the movable floating plate 95, then the movable push rod 97 pushes the movable floating plate 95 to slide outwards along the sliding groove 94 arranged on the outer wall of the main floating plate 93, so that the movable floating plate 95 extends to the outer side of the main floating plate 93, then the movable sealing plate 14 is controlled to seal the case 91 by blocking the communication hole 12, and the main floating plate 93, the movable floating plate 95 and the hollow inflated case 91 are used, suspend the ventilation blower on the surface of water of mine ponding, avoid the ventilation blower to be soaked by ponding and damage, to casing 91 gassing recovery, convenient practicality after the ponding is discharged.

In order to realize the quick inflation of the interior of the enclosure 91 to activate the main floating plate 93 and the moving floating plate 95, as shown in fig. 2, the following preferred technical solutions are provided:

the intercommunicating pores 12 are respectively arranged on the oblique inner walls of the two sides of the bottom of the air duct 1 at the adjacent position of the tail end of the L-shaped push rod 710, the intercommunicating pores 12 are respectively communicated with the two ends of the air supply channel 8, the inner wall of the air duct 1 corresponding to the intercommunicating pores 12 is provided with a limiting sliding groove 13, a movable clamping block is arranged in the limiting sliding groove 13 and is provided with a movable sealing plate 14, the movable sealing plates 14 on the two sides of the upper end of the bottom plate of the air duct 1 are connected through a fixed cross rod 15, and the two ends of the fixed cross rod 15 are respectively fixedly connected with the tail end of the L-shaped push rod 710.

The upper end of the bottom plate of the air duct 1 at the adjacent position of the tail end of the limiting sliding groove 13 is provided with a positioning rod 16, a counterweight sliding piece 17 is movably sleeved on the outer wall of the positioning rod 16, the top of the counterweight sliding piece 17 is provided with a windproof tarpaulin 18, the top of the windproof tarpaulin 18 is fixedly connected to the lower end of the top plate of the air duct 1, the lower end of the top plate of the air duct 1 at the adjacent position of the windproof tarpaulin 18 is provided with a fixed pulley 19 through a support, a pull rope 20 is sleeved in a wheel groove of the fixed pulley 19, one end of the pull rope 20 is fixedly connected to the tail end of the counterweight sliding piece 17, and the other end of the pull rope 20 is fixedly connected to the middle part of the upper end of the fixed cross rod 15.

When the extension fan blades 74 are accommodated in the main fan blades 73, the movable sealing plate 14 is located on one side of the limiting slide groove 13 close to the main fan blades 73, the movable sealing plate 14 seals the communication hole 12, the counterweight slide 17 is drawn by the pull rope 20 to slide to the upper part of the positioning rod 16, on the contrary, the movable sealing plate 14 is located on one side of the limiting slide groove 13 far away from the main fan blades 73, the movable sealing plate 14 is far away from the communication hole 12, the counterweight slide 17 slides to the upper end of the bottom plate of the air duct 1, and the wind-proof tarpaulin 18 shields the air outlet port of the air duct 1.

It is specific, detect ponding degree of depth signal back intelligent control ware 10 control electric telescopic handle 76 extension, electric telescopic handle 76 extension promotes when moving the dish 75 removal, L type push rod 710 cooperation fixed horizontal pole 15 through moving the dish 75 bottom promotes to move sealing plate 14 and keeps away from intercommunicating pore 12, intercommunicating pore 12 intercommunication air supply passageway 8, when moving sealing plate 14 and removing, stay cord 20 receives to relax and makes counter weight slider 17 on the locating lever 16 outer wall slide down to dryer 1 bottom plate on, counter weight slider 17 pulling is prevent wind tarpaulin 18 and is sheltered from the air-out port of dryer 1, the air-out port of dryer 1 receives the back of sheltering from, the wind of intercepting passes through air supply passageway 8 and carries in casing 91 fast, with help main superficial turning plate 93 and the quick expansion of removal kickboard 95, avoid the ventilation blower to be soaked.

In order to avoid serious damage to the fan caused by falling of heavy objects, as shown in fig. 1 and fig. 8-10, the following preferred technical solutions are provided:

resistance to compression subassembly 11 is including setting up fixing base 111 on the oblique outer wall in dryer 1 top both sides, fixing base 111 upper end both sides are provided with support column 112, support column 112 top fixedly connected with diaphragm 113, diaphragm 113 upper end evenly runs through and is provided with removal post 114, be provided with stopper 115 on the outer wall of removal post 114, the winding is provided with buffer spring 116 on the removal post 114 outer wall between stopper 115 and diaphragm 113, the top of removing post 114 is passed through swing joint in the bottom of baffle 117, and evenly be provided with L type die-pin 118 on the relative one side outer wall of diaphragm 113.

The top end of the L-shaped supporting rod 118 is attached to the bottom of the baffle 117, the moving column 114 is arranged on one side, away from the tail end of the L-shaped supporting rod 118, of the lower end of the baffle 117, and when the buffer spring 116 keeps a normal relaxation state, the tail ends of the adjacent baffles 117 are attached to each other.

The top outer wall of the baffle 117 is provided with a mounting groove 1171, the upper end of the bottom plate of the mounting groove 1171 is provided with an arch elastic rod 1172 at uniform intervals, the outer wall of the middle part of the arch elastic rod 1172 is fixedly connected with a movable plate 1173, the bottom of the arch elastic rod 1172 is provided with a V-shaped support rod 1174, and the bottom of the V-shaped support rod 1174 is fixedly connected with the upper end of the bottom plate of the mounting groove 1171.

Specifically, when a heavy object falls and smashes the ventilator, the falling object contacts the movable plate 1173 to impact and deform the arch-shaped elastic rod 1172, the arch-shaped elastic rod 1172 drives the V-shaped support rod 1174 to elastically deform, the baffle 117 is impacted after the heavy object is impacted, the baffle 117 drives the movable column 114 to compress the buffer spring 116 and move downwards, one end, far away from the movable column 114, of the baffle 117 moves downwards is attached to the top of the L-shaped support rod 118, the L-shaped support rod 118 pushes the baffle 117 to deflect around the movable column 114 when the baffle 117 moves downwards, the falling object is thrown to one side of the ventilator by the deflected baffle 117 while the impact is buffered, then the baffle 117 resets under the action of the buffer spring 116, the falling object is prevented from continuously falling to cause serious damage to the ventilator, and the ventilator is effectively protected.

In order to better show the intelligent local fan ventilator with the wide-range stepless blade adjustment function, the embodiment provides an implementation method of the intelligent local fan ventilator with the wide-range stepless blade adjustment function, which includes the following steps:

the method comprises the following steps: starting the driving motor 6 to drive the rotating shaft 71 to rotate, wherein the rotating shaft 71 drives the main fan blade 73 to rotate for air supply by matching with the mounting disc 72 when rotating, and when the rotating speed of the main fan blade 73 reaches the maximum and still does not meet the use requirement, the driving motor 6 is suspended;

step two: after the driving motor 6 is stopped, the electric telescopic rod 76 is controlled to extend, after the electric telescopic rod 76 extends, the moving disc 75 is pushed to move close to the mounting disc 72, when the moving disc 75 moves towards the mounting disc 72, the extending fan blades 74 are pushed to extend out of the inner cavity of the main fan blades 73 through the movable connecting rod 79, and after the driving motor 6 is started again, the main fan blades 73 and the extending fan blades 74 are synchronously driven through the rotating shaft 71 to rotate for air supply;

step three: when water is accumulated on the mine ground, the water level sensor 910 detects an accumulated water depth signal and transmits the accumulated water depth signal to the intelligent controller 10, the intelligent controller 10 controls the electric telescopic rod 76 to extend to perform the step two, when the electric telescopic rod 76 extends to push the movable disc 75 to move, the L-shaped push rod 710 at the bottom of the movable disc 75 is matched with the fixed cross rod 15 to push the movable sealing plate 14 to be far away from the communication hole 12, and the communication hole 12 is communicated with the air supply channel 8;

step four: when the movable sealing plate 14 moves, the pull rope 20 is loosened, so that the counterweight sliding piece 17 on the outer wall of the positioning rod 16 slides downwards to the bottom plate of the air duct 1, the counterweight sliding piece 17 pulls the windproof tarpaulin 18 to shield the air outlet port of the air duct 1, and after the air outlet port of the air duct 1 is shielded, air enters the shell 91 at the bottom of the air supply channel 8 through the air supply channel 8;

step five: after entering the interior of the casing 91, the air pushes the movable partition 98 to separate, so that the elastic connecting rope 913 and the telescopic connecting rod 912 are stretched and extended, when the movable partition 98 moves towards the through opening 92, the movable push rod 97 jacks the main floating turnover plate 93 through the movable floating plate 95 to deflect and turn up outwards, then the movable push rod 97 pushes the movable floating plate 95 to slide outwards along the sliding groove 94 arranged on the outer wall of the main floating turnover plate 93, so that the movable floating plate 95 extends to the outer side of the main floating turnover plate 93, then the movable sealing plate 14 is controlled to seal the communication hole 12, so that the casing 91 is sealed, the main floating turnover plate 93, the movable floating plate 95 and the hollow inflated casing 91 are used for suspending the ventilator on the water surface of the accumulated water in a mine, and the ventilation of the casing 91 is recovered after the accumulated water is discharged.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Can be on a large scale stepless blade regulation's intelligent office fan ventilation blower and method, including dryer (1) and set up in support bracket (2) at dryer (1) bottom both ends, dryer (1) is the columnar structure, is provided with dust screen (3) on the port outer wall at dryer (1) both ends, its characterized in that: an isolation box (5) is arranged between the inner walls of one end of the air duct (1) through a fixing rod (4), a driving motor (6) is installed at the upper end of the bottom plate of the isolation box (5), the output end of the driving motor (6) is connected with a fan blade assembly (7), an air supply channel (8) is arranged at the bottom of the air duct (1) at the position adjacent to the tail end of the fan blade assembly (7), two ends of the air supply channel (8) are communicated with oblique side walls at two sides of the bottom of the air duct (1), the middle part of the lower end of the air supply channel (8) is communicated with a suspension piece (9), an intelligent controller (10) is arranged on the side wall of the air duct (1), and a compression-resistant assembly (11) is arranged at the top end of the air duct (1);

the fan blade component (7) comprises a rotating shaft (71) connected with the output end of the driving motor (6), the rotating shaft (71) penetrates through and extends to the outside of the isolation box (5), the tail end of the rotating shaft (71) outside the isolation box (5) is fixedly connected with a mounting disc (72), main fan blades (73) are uniformly arranged on the side wall of the mounting disc (72) at intervals, the main fan blades (73) are of a hollow structure, extension fan blades (74) are movably sleeved in a hollow cavity at the tail end of the main fan blades, a moving disc (75) is movably sleeved on the outer wall of the rotating shaft (71), the outer wall of one side, far away from the mounting disc (72), of the moving disc (75) is fixedly connected with the outer wall of the isolation box (5) through an electric telescopic rod (76), a circular limiting groove (77) is formed in the outer wall of one side, close to the mounting disc (72), a moving slider (78) is uniformly arranged in the circular limiting groove (77), and the moving slider (78) is arranged corresponding to the main fan blades (73), the tail end of the movable sliding piece (78) extends to the outside of the port of the round limiting groove (77), the tail end of the movable sliding piece is movably connected with a movable connecting rod (79), the other end of the movable connecting rod (79) is movably connected with the outer wall of the tail end of the extending fan blade (74), and L-shaped push rods (710) are fixedly connected to inclined walls on two sides of the bottom of the movable disc (75).

2. The intelligent local fan ventilator with wide-range stepless blade adjustment and the method thereof as claimed in claim 1, wherein: intercommunicating pores (12) are respectively formed in the inclined inner walls of the two sides of the bottom of the air duct (1) at the adjacent position of the tail end of the L-shaped push rod (710), the intercommunicating pores (12) are respectively communicated with the two ends of the air supply channel (8), a limiting sliding groove (13) is formed in the inner wall of the air duct (1) corresponding to the intercommunicating pores (12), a movable clamping block in the limiting sliding groove (13) is provided with a movable sealing plate (14), the movable sealing plates (14) on the two sides of the upper end of the bottom plate of the air duct (1) are connected through a fixed cross rod (15), and the two ends of the fixed cross rod (15) are respectively fixedly connected with the tail end of the L-shaped push rod (710).

3. The intelligent local fan ventilator with wide range of stepless blade adjustment and method thereof as claimed in claim 2, wherein: the wind tube (1) bottom plate upper end of the adjacent position of the tail end of the limiting sliding groove (13) is provided with a positioning rod (16), a counterweight sliding piece (17) is movably sleeved on the outer wall of the positioning rod (16), the top of the counterweight sliding piece (17) is provided with a windproof tarpaulin (18), the top of the windproof tarpaulin (18) is fixedly connected to the lower end of the top plate of the wind tube (1), the lower end of the top plate of the wind tube (1) of the adjacent position of the windproof tarpaulin (18) is provided with a fixed pulley (19) through a support, a pull rope (20) is sleeved in a wheel groove of the fixed pulley (19), one end of the pull rope (20) is fixedly connected to the tail end of the counterweight sliding piece (17), and the other end of the pull rope (20) is fixedly connected to the middle part of the upper end of the fixed cross rod (15).

4. The intelligent local fan ventilator with wide range of stepless blade adjustment and method thereof as claimed in claim 3, wherein: when extension flabellum (74) are accomodate in main flabellum (73) inside, remove sealing plate (14) and be located one side that spacing spout (13) are close to main flabellum (73), and remove sealing plate (14) sealed intercommunicating pore (12), counter weight slider (17) pass through stay cord (20) traction and slide to the upper portion of locating lever (16), on the contrary, remove sealing plate (14) and be located one side that main flabellum (73) were kept away from in spacing spout (13), and remove sealing plate (14) and keep away from intercommunicating pore (12), counter weight slider (17) slide to dryer (1) bottom plate upper end, prevent wind tarpaulin (18) and shelter from the air-out port of dryer (1).

5. The intelligent local fan ventilator with wide range stepless blade adjustment and method thereof as claimed in claim 4, wherein: the suspension piece (9) comprises a machine shell (91) communicated with the middle part of the lower end of the air supply channel (8) and through holes (92) formed in the side walls of the two ends of the machine shell (91), a main floating turning plate (93) is movably arranged on the inner wall of the top of the through holes (92) through a hinge, installation sliding grooves (94) are uniformly arranged on the inner wall of the main floating turning plate (93), guide sliding rails (96) on the outer wall of a movable floating plate (95) are movably clamped in the installation sliding grooves (94), and both ends of the inner wall of the movable floating plate (95) are respectively and movably connected with a movable push rod (97), the other end of the movable push rod (97) is respectively and movably connected onto the outer wall of the movable partition plate (98), the movable partition plate (98) is movably clamped in the inner cavity of the shell (91), the inner wall of the movable floating plate (95) at the outer side of the movable push rod (97) is uniformly provided with an air bag (99), and a water level sensor (910) is arranged on the outer wall of one side of the shell (91) close to the bottom.

6. The intelligent local fan ventilator with wide range of stepless blade adjustment and method thereof as claimed in claim 5, wherein: remove baffle (98) and correspond opening (92) setting, and set up the same two sets of, the parcel is provided with seal ring (911) on the outer wall of removal baffle (98), it is fixed continuous through telescopic connecting rod (912) between removal baffle (98) lateral wall, be provided with elastic connection rope (913) between removal baffle (98) lateral wall in telescopic connecting rod (912) outside, when elastic connection rope (913) keep normal diastole state, it is close to each other to remove baffle (98), and be located the both sides of air supply channel (8) lower extreme middle part air outlet respectively, main board (93) vertical shutoff opening (92) that sets up floats.

7. The intelligent local fan ventilator with wide range stepless blade adjustment and method thereof as claimed in claim 6, wherein: resistance to compression subassembly (11) is including setting up fixing base (111) on the oblique outer wall in dryer (1) top both sides, fixing base (111) upper end both sides are provided with support column (112), support column (112) top fixedly connected with diaphragm (113), diaphragm (113) upper end evenly runs through and is provided with removal post (114), be provided with stopper (115) on the outer wall of removal post (114), the winding is provided with buffer spring (116) on removal post (114) outer wall between stopper (115) and diaphragm (113), the top of removing post (114) is through swing joint spare swing joint in the bottom of baffle (117), and evenly be provided with L type die-pin (118) on the relative one side outer wall of diaphragm (113).

8. The intelligent local fan ventilator with wide range of stepless blade adjustment and method thereof according to claim 7, wherein: the top end of the L-shaped supporting rod (118) is attached to the bottom of the baffle (117), the moving column (114) is arranged on one side, away from the tail end of the L-shaped supporting rod (118), of the lower end of the baffle (117), and when the buffer spring (116) keeps a normal relaxation state, the tail ends of the adjacent baffles (117) are attached to each other.

9. The intelligent office fan ventilator and method with wide range of stepless vane adjustment as claimed in claim 8, wherein: seted up mounting groove (1171) on the top outer wall of baffle (117), the even interval in bottom plate upper end of mounting groove (1171) is provided with arch elastic rod (1172), fixedly connected with fly leaf (1173) on the middle part department outer wall of arch elastic rod (1172), and the bottom of arch elastic rod (1172) is provided with V type bracing piece (1174), the bottom fixed connection of V type bracing piece (1174) is in the bottom plate upper end of mounting groove (1171).

10. A method of implementing a wide range stepless blade adjustable intelligent local fan ventilator as claimed in any one of claims 1-9, wherein: the method comprises the following steps:

s1: starting a driving motor (6) to drive a rotating shaft (71) to rotate, matching a mounting disc (72) to drive a main fan blade (73) to rotate for air supply when the rotating shaft (71) rotates, and pausing the driving motor (6) when the rotating speed of the main fan blade (73) reaches the maximum and still does not meet the use requirement;

s2: after the driving motor (6) is paused, the electric telescopic rod (76) is controlled to extend, the electric telescopic rod (76) extends and then pushes the moving disc (75) to move close to the mounting disc (72), when the moving disc (75) moves towards the mounting disc (72), the movable connecting rod (79) pushes the extension fan blades (74) to extend out of the inner cavity of the main fan blade (73), and after the driving motor (6) is restarted, the main fan blade (73) and the extension fan blades (74) are synchronously driven by the rotating shaft (71) to rotate for air supply;

s3: when water is accumulated on the mine ground, a water level sensor (910) detects a water accumulation depth signal and transmits the water accumulation depth signal to an intelligent controller (10), the intelligent controller (10) controls an electric telescopic rod (76) to extend to carry out the step S2, when the electric telescopic rod (76) extends to push a movable disc (75) to move, an L-shaped push rod (710) at the bottom of the movable disc (75) is matched with a fixed cross rod (15) to push a movable sealing plate (14) to be far away from a communication hole (12), and the communication hole (12) is communicated with an air supply channel (8);

s4: when the movable sealing plate (14) moves, the pull rope (20) is loosened to enable the counterweight sliding piece (17) on the outer wall of the positioning rod (16) to slide downwards to the bottom plate of the air duct (1), the counterweight sliding piece (17) pulls the windproof tarpaulin (18) to shield the air outlet port of the air duct (1), and after the air outlet port of the air duct (1) is shielded, air enters the shell (91) at the bottom of the air supply channel (8) through the air supply channel (8);

s5: the ventilation machine is suspended on the water surface of accumulated water in a mine by means of the main floating plate (93), the hollow inflated machine shell (91) and the ventilation machine shell (91) after the accumulated water is discharged, and then the ventilation machine shell is deflated and recovered.