CN116357594A

CN116357594A - Air quantity adjustable mining fan based on fan blade angle adjustment

Info

Publication number: CN116357594A
Application number: CN202310084337.4A
Authority: CN
Inventors: 李宏业; 王星; 高俊强; 解方明; 郭振兴; 薛超宏; 郭甲豪; 黎平凡; 尹欢
Original assignee: Nuowenke Blower Fan Beijing Co ltd
Current assignee: Nuowenke Blower Fan Beijing Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-30

Abstract

An air quantity adjustable mining fan based on fan blade angle adjustment belongs to the technical field of ventilation equipment, and aims to solve the problems that the mine ventilation system is complex in mine internal environment, narrow in space and limited in shutdown disassembly adjustment; according to the invention, the telescopic cylinder stretches out of the inserted link to touch the second rack, the first rack leaves the locking groove under the action of the spur gear, the locking of the angle of the fan blade mechanism is released, the output shaft penetrates through the opening and is inserted into the limiting hole, the gear motor drives the worm to rotate through the output shaft, the worm wheel meshed with the outer edge of the worm rotates at the moment, the rotating shaft and the blades are finally driven to rotate, after adjustment is finished, the telescopic cylinder retracts the output shaft and the inserted link to leave the range where the fixed disc needs to rotate, the angle of the blades is adjusted online, the blades are locked after adjustment, the operation is rapid and simple, and the machine disassembly adjustment is not needed.

Description

Air quantity adjustable mining fan based on fan blade angle adjustment

Technical Field

The invention relates to the technical field of ventilation equipment, in particular to a mining fan with adjustable air quantity based on fan blade angle adjustment.

Background

The ventilation is a building environment control technology for controlling the propagation and hazard of air pollutants by means of ventilation dilution or ventilation removal and the like and realizing the quality assurance of indoor and outdoor air environments, and the air quantity of a ventilation system is generally related to the rotation speed of fan blades, the length of the fan blades and the quantity and angle of the fan blades.

The inclination angle of the existing fan blades is mostly fixed, the inclination angle of a few fan blades is adjustable, but the existing fan blades are generally required to be disassembled for adjustment by stopping, the mine ventilation system is complex in mine internal environment and narrow in space, and certain limitation exists in the process of disassembling and adjusting by stopping, so that the fan which does not need to be disassembled for online adjustment of the angle of the fan blades is required to be designed.

To solve the above problems. Therefore, the mining fan with adjustable air quantity based on fan blade angle adjustment is provided.

Disclosure of Invention

The invention aims to provide a mine fan with adjustable air quantity based on fan blade angle adjustment, which solves the problems of complex mine internal environment, narrow space and certain limitation of shutdown disassembly adjustment of a mine ventilation system in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an adjustable mining fan of amount of wind based on flabellum angle modulation, includes fan housing and sets gradually at inside driving motor, adjusting part and the angle modulation drive assembly of fan housing, its characterized in that: the adjusting component comprises a fixed disc and fan blade mechanisms uniformly distributed outside the fixed disc, wherein the fan blade mechanisms are at least provided with three groups, the adjusting component further comprises a worm, a transmission mechanism and a locking mechanism, the worm, the transmission mechanism and the locking mechanism are arranged inside the fixed disc, the transmission mechanism and the locking mechanism correspond to the fan blade mechanisms in number, the worm can drive the angle of the fan blade mechanisms to adjust through the transmission mechanism, and the locking mechanism is used for locking the fan blade mechanisms.

Further, the fan housing is connected between two sections of ventilating ducts through a flange, the driving motor is fixedly mounted on the inner wall of the fan housing through a motor bracket, the output end of the driving motor is fixedly connected with a first connecting piece, the rear of the fixing disc is provided with a second connecting piece, and the first connecting piece is connected with the second connecting piece through a pin shaft.

Further, be provided with the arc wall on the outer wall of fixed disk, the inside of fixed disk radially is provided with first rotation groove, and the middle part of fixed disk is provided with the second and rotates the groove, is equipped with the opening with the second rotation groove intercommunication in the middle of one side of arc groove, and the second rotates groove one side opening.

Further, the fan blade mechanism comprises a first rotating plate and a second rotating plate, wherein the first rotating plate is rotatably connected inside the first rotating groove, the second rotating plate is rotatably connected to the outer edge of the fixed disc, and blades are arranged outside the second rotating plate.

Further, fixed shafts are fixedly connected to positions, close to the edges, of two sides of one end of each blade, of each second rotating plate, insertion holes corresponding to the fixed shafts are formed in the second rotating plates, the fixed shafts penetrate through the insertion holes and extend into the arc-shaped grooves, rotating shafts are fixedly connected to the middle of one end of each blade, penetrate through the second rotating plates and the first rotating plates, and are fixedly connected with the second rotating plates and the first rotating plates.

Further, the worm comprises a first transmission shaft, a second transmission shaft and a connecting rod which are rotationally connected inside the fixed disc, the connecting rod is fixedly connected with the rotating shaft, two ends of the first transmission shaft are fixedly connected with a worm wheel and a first end face gear respectively, the other end of the connecting rod is fixedly connected with a second end face gear, two ends of the second transmission shaft are fixedly connected with bevel gears, and the two bevel gears are respectively meshed and linked with the first end face gear and the second end face gear.

Further, the worm is connected inside the second rotating groove in a rotating mode, a limiting hole is formed in one side, facing the opening, of the worm, and the worm is connected with the worm wheel in a meshed mode.

Further, the inside of fixed disk still is provided with first spout, second spout and spacing groove, and spacing groove and second spout intercommunication, and the outside radial distribution of fixed disk has the slot with second spout intercommunication.

Further, locking mechanical system is including first rack and the second rack of sliding connection in first spout and second spout inside respectively, and the fixed disk is inside to be located to rotate between first rack and the second rack and be connected with the spur gear, and spur gear and first rack and second rack meshing are connected, and the outer fringe evenly distributed of first rotor plate has the locking groove corresponding with first rack one end, and the inside sliding connection of second spout has the stopper, the one end and the second rack fixed connection of stopper, is equipped with the spring between the other end and the spacing inslot wall of stopper.

Further, angle modulation drive assembly includes the support frame of fixed connection on fan housing inner wall, and the sleeve is installed at the support frame top, telescopic inner wall fixedly connected with telescopic cylinder, telescopic cylinder output fixedly connected with sliding tray, and sliding tray sliding connection is inside the sleeve, and one side radial distribution of sliding tray has the inserted bar corresponding with the slot, and the opposite side fixedly connected with gear motor of sliding tray, gear motor output runs through the sliding tray and is connected with the output shaft, and the output shaft is corresponding with spacing hole.

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

according to the mining fan with adjustable air quantity based on fan blade angle adjustment, the telescopic air cylinder stretches out of the inserting rod to touch the second rack, the first rack leaves the locking groove under the action of the straight gear, locking of the angle of the fan blade mechanism is released, the output shaft penetrates through the opening and is inserted into the limiting hole in the extending process of the telescopic air cylinder, the gear motor drives the worm to rotate through the output shaft, the worm wheel meshed with the outer edge of the worm rotates at the moment, the worm wheel finally drives the rotating shaft and the blades to rotate through the first transmission shaft, the first end face gear, the helical gear, the second transmission shaft, the second end face gear and the connecting rod, after adjustment is completed, the telescopic air cylinder retracts the output shaft and the inserting rod to leave the range where the fixed disc needs to rotate, the angle of the blades is adjusted online, locking is achieved, operation is quick and simple, machine disassembly adjustment is not needed, and stability of the blades is not affected.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a exploded view of the drive motor and adjustment assembly of the present invention;

FIG. 4 is a schematic view of the structure of the adjusting assembly of the present invention;

FIG. 5 is a split view of the structure of the adjusting assembly of the present invention;

FIG. 6 is an exploded view of the structure of the adjustment assembly of the present invention;

FIG. 7 is a cross-sectional view of a holding pan of the present invention;

FIG. 8 is an exploded view of a fan blade mechanism according to the present invention;

FIG. 9 is a schematic view of the vertical structure of the fixing plate of the present invention;

FIG. 10 is a schematic view of a locking mechanism according to the present invention;

FIG. 11 is a schematic view of the structure of the adjustment assembly and the angular adjustment drive assembly of the present invention;

fig. 12 is an exploded view of the structure of the angle adjusting driving assembly of the present invention.

In the figure: 1. a fan housing; 2. a driving motor; 21. a motor bracket; 22. a first connector; 23. a second connector; 24. a pin shaft; 3. an adjustment assembly; 31. a fixed plate; 311. an arc-shaped groove; 312. a first rotating groove; 313. a second rotating groove; 314. an opening; 315. a first chute; 316. a second chute; 317. a limit groove; 318. a slot; 32. a fan blade mechanism; 321. a first rotating plate; 3211. a locking groove; 322. a second rotating plate; 323. a fixed shaft; 324. a blade; 325. a rotating shaft; 326. a jack; 33. a worm; 331. a limiting hole; 34. a transmission mechanism; 341. a worm wheel; 342. a first drive shaft; 343. a first end face gear; 344. a second drive shaft; 345. a connecting rod; 346. a second face gear; 347. bevel gear; 35. a locking mechanism; 351. a first rack; 352. a second rack; 353. spur gears; 354. a limiting block; 355. a spring; 4. an angle adjustment drive assembly; 41. a support frame; 42. a sleeve; 43. a telescopic cylinder; 44. a sliding plate; 45. a rod; 46. a speed reducing motor; 47. an output shaft.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order to solve the technical problems, as shown in fig. 1 to 12, the following preferred technical scheme is provided:

the utility model provides an adjustable mining fan of amount of wind based on flabellum angle modulation, including fan housing 1 and the driving motor 2 that sets gradually inside fan housing 1, adjusting part 3 and angle modulation driving part 4, adjusting part 3 includes fixed disk 31 and evenly distributed is at the outside flabellum mechanism 32 of fixed disk 31, flabellum mechanism 32 is provided with three at least groups, adjusting part 3 still includes worm 33, drive mechanism 34 and locking mechanical system 35 that set up inside fixed disk 31, drive mechanism 34 and locking mechanical system 35 correspond flabellum mechanism 32 and set up the same figure, worm 33 rotates and can drive the angle of flabellum mechanism 32 through drive mechanism 34 and adjusts, locking mechanical system 35 is used for locking flabellum mechanism 32.

The fan housing 1 is connected between two sections of ventilating ducts through a flange, the driving motor 2 is fixedly arranged on the inner wall of the fan housing 1 through a motor bracket 21, the output end of the driving motor 2 is fixedly connected with a first connecting piece 22, the rear of the fixed disc 31 is provided with a second connecting piece 23, the first connecting piece 22 is connected with the second connecting piece 23 through a pin shaft 24, and the driving motor 2 can drive the whole adjusting assembly 3 to rotate.

An arc-shaped groove 311 is arranged on the outer wall of the fixed disc 31, a first rotating groove 312 is radially arranged in the fixed disc 31, a second rotating groove 313 is arranged in the middle of one side of the fixed disc 31, an opening 314 communicated with the second rotating groove 313 is arranged in the middle of one side of the arc-shaped groove 311, and one side of the second rotating groove 313 is opened.

The fan blade mechanism 32 includes a first rotating plate 321 rotatably coupled to the inside of the first rotating groove 312, and a second rotating plate 322 rotatably coupled to the outer edge of the fixed disk 31, and the second rotating plate 322 is provided with blades 324 at the outside thereof.

The fixed axle 323 is fixedly connected to the two sides of one end of the vane 324 near the edge, the second rotating plate 322 is provided with an inserting hole 326 corresponding to the fixed axle 323, the fixed axle 323 penetrates through the inserting hole 326 and extends into the arc-shaped groove 311, the rotating axle 325 is fixedly connected to the middle of one end of the vane 324, the rotating axle 325 penetrates through the second rotating plate 322 and the first rotating plate 321, the rotating axle 325 is fixedly connected with the second rotating plate 322 and the first rotating plate 321, the vane 324 and the second rotating plate 322 are driven to rotate through the rotating axle 325 when the first rotating plate 321 rotates, at this time, the angle of the vane 324 rotates, and the arc-shaped groove 311 has a guiding function on the fixed axle 323 when rotating.

The worm 33 comprises a first transmission shaft 342, a second transmission shaft 344 and a connecting rod 345 which are rotatably connected inside the fixed disc 31, wherein the first transmission shaft 342, the second transmission shaft 344 and the connecting rod 345 are vertically distributed in sequence, the connecting rod 345 is fixedly connected with a rotating shaft 325, two ends of the first transmission shaft 342 are respectively fixedly connected with a worm wheel 341 and a first end face gear 343, the other end of the connecting rod 345 is fixedly connected with a second end face gear 346, two ends of the second transmission shaft 344 are respectively fixedly connected with a bevel gear 347, the bevel gears 347 of the two groups are respectively meshed and linked with the first end face gear 343 and the second end face gear 346, the second transmission shaft 344 is driven to rotate through the first transmission shaft 342 and the first end face gear 343 when the worm wheel 341 rotates, and the second transmission shaft 344 is driven to drive the connecting rod 345 to drive the blades 324 to adjust angles through the rotating shaft 325.

The worm 33 is rotatably connected inside the second rotation groove 313, a limit hole 331 is provided on a side of the worm 33 facing the opening 314, and the worm 33 is engaged with the worm wheel 341.

The inside of fixed disk 31 still is provided with first spout 315, second spout 316 and spacing groove 317, and spacing groove 317 and second spout 316 intercommunication, and the outside radial distribution of fixed disk 31 has the slot 318 with second spout 316 intercommunication.

The locking mechanism 35 comprises a first rack 351 and a second rack 352 which are respectively connected inside the first chute 315 and the second chute 316 in a sliding manner, a spur gear 353 is rotatably connected between the first rack 351 and the second rack 352 in the fixing disc 31, the spur gear 353 is in meshed connection with the first rack 351 and the second rack 352, locking grooves 3211 corresponding to one end of the first rack 351 are uniformly distributed on the outer edge of the first rotating plate 321, a limiting block 354 is connected in the sliding manner in the second chute 316, one end of the limiting block 354 is fixedly connected with the second rack 352, a spring 355 is arranged between the other end of the limiting block 354 and the inner wall of the limiting groove 317, and in a normal state, the spring 355 enables the second rack 352 to have forward force, and the second rack 352 enables the first rack 351 to be inserted into the locking groove 3211 backwards through the spur gear 353, so that the fan blade mechanism 32 cannot rotate.

The angle adjusting driving assembly 4 comprises a supporting frame 41 fixedly connected to the inner wall of the fan housing 1, a sleeve 42 is installed at the top of the supporting frame 41, a telescopic cylinder 43 is fixedly connected to the inner wall of the sleeve 42, the output end of the telescopic cylinder 43 is fixedly connected with a sliding disc 44, the sliding disc 44 is slidably connected to the inside of the sleeve 42, a plunger rod 45 corresponding to the slot 318 is radially distributed on one side of the sliding disc 44, a gear motor 46 is fixedly connected to the other side of the sliding disc 44, the output end of the gear motor 46 penetrates through the sliding disc 44 and is connected with an output shaft 47, the output shaft 47 corresponds to the limiting hole 331, the plunger rod 45 penetrates through the slot 318 and enables a second rack 352 to move backwards through the telescopic cylinder 43, the first rack 351 moves forwards under the action of a spur gear 353 and the second rack 352, the limitation of the first rotating plate 321 is removed, and when the telescopic cylinder 43 stretches out, the output shaft 47 penetrates through the opening 314 and is inserted into the limiting hole 331 to drive the worm 33 to rotate.

Specifically, when the angle of the blade 324 is adjusted, the driving motor 2 is stopped, the telescopic cylinder 43 is started to extend, so that the inserted link 45 is inserted into the slot 318, at this time, the driving motor 2 can be slowly started to adjust the rotation of the fixed disc 31 until the inserted link 45 is inserted into the slot 318, along with the extension of the telescopic cylinder 43, the inserted link 45 touches the second rack 352, at this time, the first rack 351 leaves the locking groove 3211 under the action of the spur gear 353, the angle of the blade mechanism 32 is unlocked, the output shaft 47 is inserted into the limiting hole 331 through the opening 314 in the extending process of the telescopic cylinder 43, the speed reducing motor 46 is started, the speed reducing motor 46 drives the worm 33 to rotate through the output shaft 47, at this time, the worm wheel 341 meshed with the outer edge of the worm 33 rotates, the worm wheel 341 finally drives the rotation shaft 325 and the blade 324 through the first transmission shaft 342, the first end gear 343, the bevel gear 347, the second transmission shaft 344, the second end gear 346 and the connecting rod 345, after the adjustment, the telescopic cylinder 43 retracts the output shaft 47 and the inserted link 45 leave the range where the fixed disc 31 needs to rotate, the second rack 352 is reset under the action of the spring 355, the first rack 351 is inserted into the locking groove 3211, and the first rack 321 is locked after the adjustment.

It is noted that 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. Moreover, 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.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.

Claims

1. The utility model provides an adjustable mining fan of amount of wind based on flabellum angle modulation, includes fan housing (1) and sets gradually at inside driving motor (2), adjusting part (3) and angle modulation drive assembly (4) of fan housing (1), its characterized in that: the adjusting component (3) comprises a fixed disc (31) and fan blade mechanisms (32) which are uniformly distributed outside the fixed disc (31), the fan blade mechanisms (32) are at least provided with three groups, the adjusting component (3) further comprises a worm (33), a transmission mechanism (34) and a locking mechanism (35) which are arranged inside the fixed disc (31), the transmission mechanism (34) and the locking mechanism (35) are arranged in the same number corresponding to the fan blade mechanisms (32), the worm (33) can drive the angle of the fan blade mechanisms (32) to adjust through the transmission mechanism (34), and the locking mechanism (35) is used for locking the fan blade mechanisms (32).

2. The mining fan with adjustable air quantity based on fan blade angle adjustment as claimed in claim 1, wherein: the fan housing (1) is connected between two sections of ventilation pipelines through a flange, the driving motor (2) is fixedly installed on the inner wall of the fan housing (1) through a motor bracket (21), the output end of the driving motor (2) is fixedly connected with a first connecting piece (22), the rear of the fixing disc (31) is provided with a second connecting piece (23), and the first connecting piece (22) and the second connecting piece (23) are connected through a pin shaft (24).

3. The mining fan with adjustable air quantity based on fan blade angle adjustment as claimed in claim 2, wherein: an arc-shaped groove (311) is formed in the outer wall of the fixed disc (31), a first rotating groove (312) is radially formed in the fixed disc (31), a second rotating groove (313) is formed in the middle of the fixed disc (31), an opening (314) communicated with the second rotating groove (313) is formed in the middle of one side of the arc-shaped groove (311), and one side of the second rotating groove (313) is opened.

4. The mining fan with adjustable air quantity based on fan blade angle adjustment as set forth in claim 3, wherein: the fan blade mechanism (32) comprises a first rotating plate (321) rotatably connected to the inside of the first rotating groove (312) and a second rotating plate (322) rotatably connected to the outer edge of the fixed disc (31), and blades (324) are arranged on the outside of the second rotating plate (322).

5. The mining fan with adjustable air quantity based on fan blade angle adjustment as set forth in claim 4, wherein: fixed axle (323) are fixedly connected with the both sides of the one end of blade (324) near the position of edge, be provided with jack (326) corresponding with fixed axle (323) on second rotor plate (322), fixed axle (323) run through jack (326) and extend into in arc wall (311), fixedly connected with axis of rotation (325) in the middle of the one end of blade (324), axis of rotation (325) run through second rotor plate (322) and first rotor plate (321), and axis of rotation (325) and second rotor plate (322) and first rotor plate (321) fixed connection.

6. The mining fan with adjustable air quantity based on fan blade angle adjustment according to claim 5, wherein: the worm (33) comprises a first transmission shaft (342), a second transmission shaft (344) and a connecting rod (345) which are rotatably connected inside the fixed disc (31), the connecting rod (345) is fixedly connected with a rotating shaft (325), two ends of the first transmission shaft (342) are respectively fixedly connected with a worm wheel (341) and a first end face gear (343), the other end of the connecting rod (345) is fixedly connected with a second end face gear (346), two ends of the second transmission shaft (344) are respectively fixedly connected with a bevel gear (347), and the two groups of bevel gears (347) are respectively meshed and connected with the first end face gear (343) and the second end face gear (346).

7. The mining fan with adjustable air quantity based on fan blade angle adjustment as set forth in claim 6, wherein: the worm (33) is rotatably connected inside the second rotating groove (313), a limiting hole (331) is formed in one side, facing the opening (314), of the worm (33), and the worm (33) is meshed with the worm wheel (341).

8. The mining fan with adjustable air quantity based on fan blade angle adjustment as set forth in claim 7, wherein: the inside of fixed disk (31) still is provided with first spout (315), second spout (316) and spacing groove (317), and spacing groove (317) and second spout (316) intercommunication, and the outside radial distribution of fixed disk (31) has slot (318) with second spout (316) intercommunication.

9. The mining fan with adjustable air quantity based on fan blade angle adjustment as set forth in claim 8, wherein: the locking mechanism (35) comprises a first rack (351) and a second rack (352) which are respectively and slidingly connected inside a first chute (315) and a second chute (316), a spur gear (353) is rotationally connected between the first rack (351) and the second rack (352) inside the fixed disc (31), the spur gear (353) is meshed with the first rack (351) and the second rack (352), locking grooves (3211) corresponding to one end of the first rack (351) are uniformly distributed on the outer edge of the first rotating plate (321), a limiting block (354) is slidingly connected inside the second chute (316), one end of the limiting block (354) is fixedly connected with the second rack (352), and a spring (355) is arranged between the other end of the limiting block (354) and the inner wall of the limiting groove (317).

10. The mining fan with adjustable air quantity based on fan blade angle adjustment as claimed in claim 9, wherein: the angle adjustment drive assembly (4) comprises a support frame (41) fixedly connected to the inner wall of the fan housing (1), a sleeve (42) is installed at the top of the support frame (41), a telescopic cylinder (43) is fixedly connected to the inner wall of the sleeve (42), a sliding disc (44) is fixedly connected to the output end of the telescopic cylinder (43), the sliding disc (44) is slidably connected to the inside of the sleeve (42), inserting rods (45) corresponding to the slots (318) are radially distributed on one side of the sliding disc (44), a speed reducing motor (46) is fixedly connected to the other side of the sliding disc (44), the output end of the speed reducing motor (46) penetrates through the sliding disc (44) and is connected with an output shaft (47), and the output shaft (47) corresponds to the limiting hole (331).