CN112160918B - Helicopter axial flow fan convenient to dismouting is changed - Google Patents
Helicopter axial flow fan convenient to dismouting is changed Download PDFInfo
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- CN112160918B CN112160918B CN202011073675.0A CN202011073675A CN112160918B CN 112160918 B CN112160918 B CN 112160918B CN 202011073675 A CN202011073675 A CN 202011073675A CN 112160918 B CN112160918 B CN 112160918B
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- fan body
- fixedly connected
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- worm
- arc
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000000428 dust Substances 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
- B64D33/10—Radiator arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a helicopter axial flow fan convenient to disassemble, assemble and replace, which comprises a fan body, wherein a dust screen is installed at an air inlet of the fan body, the dust screen is embedded at the air inlet of the fan body, a fixing frame is connected to the side edge of the dust screen, two ends of the air inlet of the fan body are both connected with a limiting mechanism, the limiting mechanism comprises arc-shaped blocks, one ends, close to each other, of the two arc-shaped blocks are both connected with a plurality of inserting blocks, and a direction adjusting mechanism is arranged on one side of the fan body, so that the helicopter axial flow fan convenient to disassemble, assemble and replace has the following beneficial effects that: the fan body on the support frame at the upper end of the middle column can be driven to rotate left and right, up-down left-right adjustment can be carried out, the blowing direction can be adjusted, the limiting mechanisms are arranged, when the interior of the fan body needs to be overhauled, the arc-shaped blocks of the two limiting mechanisms are pulled, when the insertion blocks are separated from the insertion holes, the fixing frame of the dust screen can be separated from the fixing of the insertion blocks, the dust screen can be taken out to be cleaned, the disassembly is convenient, and the interior of the fan body can also be overhauled.
Description
The technical field is as follows:
the invention belongs to the technical field of airplane ventilation equipment, and particularly relates to a helicopter axial flow fan convenient to disassemble, assemble and replace.
Background art:
the axial flow fan of the helicopter is equipment with gas flowing parallel to a fan shaft, generally comprises an impeller and a protective shell, and the rotation of the impeller enables airflow to flow, so that ventilation and air exchange can be performed in the helicopter, and a heat dissipation effect can be achieved.
Under prior art, when helicopter's axial fan used, axial fan generally fixed on the frame, can't carry out the regulation about from top to bottom, can not adjust the direction of blowing, moreover, because outside protecting crust is inconvenient to be dismantled, when leading to dismantling the change to the fan of inside, very inconvenient.
The invention content is as follows:
the invention aims to solve the problems, provides a helicopter axial flow fan convenient to disassemble, assemble and replace, and solves the defects that when the helicopter axial flow fan is used, the axial flow fan is generally fixed on a frame, cannot be adjusted up, down, left and right, cannot adjust the blowing direction, and is inconvenient to disassemble and replace because an external protective shell is inconvenient to disassemble.
In order to solve the above problems, the present invention provides a technical solution:
a helicopter axial flow fan convenient for disassembly, assembly and replacement comprises a fan body, wherein a dust screen is installed at an air inlet of the fan body, the dust screen is embedded at the air inlet of the fan body, a fixed frame is connected to the side edge of the dust screen, two ends of the air inlet of the fan body are both connected with a limiting mechanism, the limiting mechanism comprises arc-shaped blocks, one ends, close to each other, of the two arc-shaped blocks are both connected with a plurality of insertion blocks, a direction adjusting mechanism is arranged on one side of the fan body and comprises a driving wheel, a driven wheel is oppositely arranged above the driving wheel, a base is oppositely arranged below the fan body, an inner cavity is formed in the base, a rotating mechanism is arranged in the inner cavity and comprises a worm, one side of the worm is connected with a worm wheel, and universal wheels are respectively arranged at four corners of the bottom end of the base, two opposite universal wheels are provided with a stop mechanism at one side close to each other, the stop mechanism comprises a wedge block, four sides of the dust screen are fixedly connected in a fixed frame, two ends of the outer wall of the air inlet of the fan body are fixedly connected with C-shaped frames, two ends of one side close to each other of the two C-shaped frames are fixedly connected with telescopic columns, the telescopic columns are respectively sleeved with a first spring, one end of each first spring is contacted with the inner side wall of each C-shaped frame, the other end of each first spring is contacted with the cambered surface of each cambered block, one end of each telescopic column far away from each C-shaped frame is fixedly connected with each cambered block, the inserting blocks are fixedly connected with the cambered blocks, one side close to each other of the two cambered blocks is respectively contacted with two sides of the outer wall of the air inlet of the fan body, a support frame is arranged at the outer side of the fan body, and a connecting shaft is rotatably connected between two sides of the upper part of the support frame, the fan comprises a connecting shaft and a fan body, wherein the bottom end of the fan body is fixedly connected with the bottom end of the fan body, one end of the connecting shaft penetrates through one side of a support frame and is fixedly connected with the driven wheel, a transmission belt is sleeved between the driven wheel and a driving wheel, the middle part of one side of the driving wheel is rotatably connected with the outer wall of the support frame through a rotating shaft, the other side of the driving wheel is fixedly connected with an output shaft of a first motor, the support frame is close to the lower part of the side wall of one side of the driving wheel and is fixedly connected with an L-shaped block, and the first motor is fixedly connected with one side of the L-shaped block through a fixing seat.
Preferably, the base is arranged below the support frame, one end of the worm is fixedly connected with a middle shaft, the middle shaft is rotatably connected to the inner wall of the inner cavity through a bearing, the other end of the worm is fixedly connected with an output shaft of a second motor through a coupler, the second motor is fixedly connected to the inner wall of the inner cavity through a fixing seat, and the worm is meshed with the worm wheel.
Preferably, the middle part fixedly connected with center pillar of worm wheel, the bottom of center pillar is rotated and is connected in the diapire of inner chamber, the center pillar runs through the base upper end, the upper end fixed connection of center pillar is in the bottom middle part of support frame.
Preferably, four the universal wheel is fixed connection in the four corners of base respectively, a plurality of quad slit has been seted up to the relative wedge of universal wheel border, and two liang of is relative interval between the elastic rod is the same with the quad slit width, the equal fixedly connected with elastic rod of universal wheel one end is kept away from to the wedge, and two liang of is relative the elastic rod is kept away from the equal fixedly connected with connecting rod of wedge one end.
Preferably, the bottom four corners of base is all seted up the spout relative to the connecting rod, connecting rod upper end sliding connection is in the spout, the connecting rod upper end is close to universal wheel one side fixedly connected with second spring, the second spring is kept away from the one end cell wall of connecting rod one end fixed connection in the spout.
Preferably, the through holes are formed in the opposite insertion blocks on the inner wall of the air inlet of the fan body, the insertion holes are formed in the opposite insertion blocks at two ends of the fixing frame, the through holes are communicated with the insertion holes, and the insertion blocks penetrate through the through holes and are inserted into the insertion holes.
The beneficial effects of the invention include:
1. the fan body on the connecting shaft can rotate up and down by driving the connecting shaft to rotate through the direction adjusting mechanism, the middle column in the middle of the worm wheel can rotate by driving the worm and the worm wheel to rotate through the rotating mechanism, the fan body on the support frame at the upper end of the middle column can be driven to rotate left and right, up and down left and right adjustment can be carried out, and the air blowing direction can be adjusted.
2. The fan body fixing frame is provided with the limiting mechanisms, when the interior of the fan body needs to be overhauled, the fixing frame of the dust screen can be separated from the fixing of the inserting block by pulling the arc-shaped blocks of the two limiting mechanisms when the inserting block is separated from the inserting hole, the dust screen can be taken out for cleaning, the disassembly is convenient, and the interior of the fan body can also be overhauled.
3. The fan body is provided with the dust screen, and the dust screen can block dust and sundries brought by airflow, so that the dust and sundries are prevented from entering the fan body, a user is prevented from stretching a hand into the fan body by mistake, and potential safety hazards are reduced.
4. The stop mechanism is arranged, and the elastic rod of the stop mechanism has elastic flexibility and drives the two wedge-shaped blocks to be inserted into the square hole, so that the universal wheel is limited by the wedge-shaped blocks, the universal wheel is prevented from rotating, the base is fixed stably, and the base is prevented from deviating.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a front view sectional schematic view of the present invention;
FIG. 2 is a schematic view of the connection of the rotating mechanism of the present invention;
FIG. 3 is a schematic view of the internal structure of the base of the present invention;
FIG. 4 is a schematic structural view of the joint of the limiting mechanism of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A of the present invention;
FIG. 6 is a schematic view of the stop mechanism connection of the present invention;
FIG. 7 is a schematic diagram of the structure of the square hole of the present invention;
fig. 8 is a schematic structural view of the wedge block junction of the present invention.
In the figure: 1. a fan body; 2. a dust screen; 3. a fixing frame; 4. a limiting mechanism; 41. an arc-shaped block; 42. inserting a block; 43. a telescopic column; 44. a first spring; 5. a through hole; 6. a jack; 7. a connecting shaft; 8. a direction adjusting mechanism; 81. a driving wheel; 82. a transmission belt; 83. a driven wheel; 84. a first motor; 9. an L-shaped block; 10. a base; 11. an inner cavity; 12. a rotating mechanism; 121. a worm; 122. a worm gear; 123. a second motor; 124. a center pillar; 125. a middle shaft; 13. a universal wheel; 14. a square hole; 15. a stop mechanism; 151. a wedge block; 152. an elastic rod; 153. a connecting rod; 154. a second spring; 16. a chute; 17. a C-shaped frame; 18. a support frame.
The specific implementation mode is as follows:
as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment: a helicopter axial flow fan convenient for disassembly, assembly and replacement comprises a fan body 1, wherein a dust screen 2 is installed at an air inlet of the fan body 1, the dust screen 2 can block dust impurities brought by air flow, the dust impurities are prevented from entering the inside of the fan body 1, the dust screen 2 is embedded at the air inlet of the fan body 1, a fixed frame 3 is connected to the side edge of the dust screen 2, two ends of the air inlet of the fan body 1 are both connected with a limiting mechanism 4, the limiting mechanism 4 comprises arc-shaped blocks 41, one ends, close to each other, of the two arc-shaped blocks 41 are both connected with a plurality of inserting blocks 42, when the inside of the fan body 1 needs to be overhauled, a first spring 44 is compressed by pulling the arc-shaped blocks 41 of the two limiting mechanisms 4, the inserting blocks 42 connected with the two arc-shaped blocks 41 are separated from jacks 6, the fixed frame 3 of the dust screen 2 can be separated from the fixing of the inserting blocks 42, and the dust screen 2 can be taken out, the direction adjusting mechanism 8 is arranged on one side of the fan body 1, the direction adjusting mechanism 8 comprises a driving wheel 81, a driven wheel 83 is oppositely arranged above the driving wheel 81, a base 10 is oppositely arranged below the fan body 1, the driving wheel 81 is driven to rotate by rotating an output shaft of a first motor 84 through opening the first motor 84 of the direction adjusting mechanism 8, a transmission belt 82 and the driven wheel 83 are driven to rotate when the driving wheel 81 rotates, so that the connecting shaft 7 rotates, the fan body 1 on the connecting shaft 7 rotates up and down, an inner cavity 11 is formed in the base 10, a rotating mechanism 12 is arranged in the inner cavity 11, the rotating mechanism 12 comprises a worm 121, one side of the worm 121 is connected with a worm wheel 122, the worm 121 is driven to rotate by opening a second motor 123 of the rotating mechanism 12, when the worm 121 rotates, the worm wheel 122 meshed with the worm wheel rotates, a center pillar 124 in the middle of the worm wheel 122 rotates, and the fan body 1 on the support frame 18 at the upper end of the center pillar 124 is driven to rotate left and right, the bottom four corners of base 10 all is provided with universal wheel 13, and two liang of relative universal wheels 13 all are provided with and end stop mechanism 15 in the one side that is close to relatively, and stop mechanism 15 includes wedge 151, and during square hole 14 was inserted to two wedge 151, universal wheel 13 was spacing by wedge 151, avoided universal wheel 13 to rotate for base 10 is fixed firm.
Wherein, the outer side of the fan body 1 is provided with a support frame 18, a connecting shaft 7 is rotatably connected between two sides of the upper part of the support frame 18, the connecting shaft 7 is fixedly connected with the bottom end of the fan body 1, one end of the connecting shaft 7 penetrates through one side of the support frame 18 and is fixedly connected with a driven wheel 83, a transmission belt 82 is sleeved between the driven wheel 83 and a driving wheel 81, the middle part of one side of the driving wheel 81 is rotatably connected with the outer wall of the support frame 18 through a rotating shaft, the other side of the driving wheel 81 is fixedly connected with an output shaft of a first motor 84, the first motor 84 drives the driving wheel 81 to rotate, the driving wheel 81 drives the transmission belt 82 and the driven wheel 83 to rotate so as to enable the connecting shaft 7 to rotate, the fan body 1 on the connecting shaft 7 rotates up and down, the lower part of the side wall of the support frame 18, which is close to the driving wheel 81, is fixedly connected with an L-shaped block 9 through a fixed seat, the first motor 84 is fixedly connected with one side of the L-shaped block 9, the first motor 84 is more firmly fixed to the L-shaped block 9.
Wherein, four sides of the dust screen 2 are fixedly connected in the fixed frame 3, two ends of the outer wall of the air inlet of the fan body 1 are fixedly connected with the C-shaped frames 17, two ends of one side of the two C-shaped frames 17 which is relatively close to each other are fixedly connected with the telescopic columns 43, the telescopic columns 43 are respectively sleeved with the first springs 44, one ends of the first springs 44 are respectively contacted with the inner side wall of the C-shaped frames 17, the other ends of the first springs 44 are respectively contacted with the cambered surfaces of the cambered blocks 41, when the cambered blocks 41 of the two limiting mechanisms 4 are pulled, the first springs 44 are compressed, one ends of the telescopic columns 43 which are far away from the C-shaped frames 17 are respectively fixedly connected with the cambered blocks 41, the inserting blocks 42 are respectively fixedly connected with the cambered blocks 41, one sides of the two cambered blocks 41 which are relatively close to each other are respectively contacted with two sides of the outer wall of the air inlet of the fan body 1, when the inserting blocks 42 connected with the two cambered blocks 41 are separated from the inserting holes 6, the fixed frame 3 of the dust screen 2 can be separated from the fixing blocks 42, the dust screen 2 can be taken out.
The base 10 is arranged below the support frame 18, one end of the worm 121 is fixedly connected with a middle shaft 125, the middle shaft 125 is rotatably connected to the inner wall of the inner cavity 11 through a bearing, the other end of the worm 121 is fixedly connected with an output shaft of a second motor 123 through a coupler, the second motor 123 is fixedly connected to the inner wall of the inner cavity 11 through a fixing seat, the worm 121 is meshed with the worm wheel 122, the second motor 123 drives the worm 121 to rotate, and when the worm 121 rotates, the worm wheel 122 meshed with the worm 121 rotates.
Wherein, the middle part fixedly connected with center pillar 124 of worm wheel 122, the bottom of center pillar 124 is rotated and is connected in the diapire of inner chamber 11, and center pillar 124 runs through the base 10 upper end, and the upper end fixed connection of center pillar 124 is in the bottom middle part of support frame 18, and when the center pillar 124 in worm wheel 122 middle part rotated, the fan body 1 that drives on the support frame 18 of center pillar 124 upper end rotated about.
Wherein, four universal wheels 13 are fixed connection in base 10's four corners respectively, the base 10 bottom is connected with universal wheel 13, through promoting base 10, can drive the fan body 1 removal of base 10 top, a plurality of quad slit 14 has been seted up to the relative wedge 151 of universal wheel 13 border, interval between two liang of relative elastic rod 152 is the same with quad slit 14 width, wedge 151 keeps away from the equal fixedly connected with elastic rod 152 of universal wheel 13 one end, two liang of relative elastic rod 152 keep away from the equal fixedly connected with connecting rod 153 of wedge 151 one end, insert quad slit 14 with two elastic rod 152 bendings, drive two wedge 151 and insert quad slit 14, it is spacing by wedge 151 to make universal wheel 13, avoid universal wheel 13 to rotate, can make base 10 fixed firm.
Wherein, through-hole 5 has all been seted up to the relative inserted block 42 of air intake inner wall of fan body 1, and jack 6 has been seted up to the relative inserted block 42 in fixed frame 3 both ends, and through-hole 5 is linked together with jack 6, and inserted block 42 all runs through-hole 5 and pegs graft in jack 6, and when the inserted block 42 that two arc pieces 41 are connected breaks away from jack 6, the fixed frame 3 of dust screen 2 can break away from the fixed of inserted block 42, can take out dust screen 2.
Wherein, the bottom four corners of base 10 has all seted up spout 16 relative to connecting rod 153, and sliding connection is in spout 16 in the connecting rod 153 upper end, and the connecting rod 153 upper end is close to universal wheel 13 one side fixedly connected with second spring 154, and connecting rod 153 one end fixed connection is in the one end cell wall of spout 16 is kept away from to second spring 154, and when promoting the connecting rod 153 of stopping mechanism 15, second spring 154 can stretch out and draw back thereupon.
Specifically, the method comprises the following steps: when the axial flow fan of the helicopter is used and the direction of a fan body 1 needs to be adjusted, the first motor 84 of the direction adjusting mechanism 8 is opened, the output shaft of the first motor 84 rotates to drive the driving wheel 81 to rotate, the driving wheel 81 rotates to drive the transmission belt 82 and the driven wheel 83 to rotate, so that the connecting shaft 7 rotates, the fan body 1 on the connecting shaft 7 rotates up and down, the second motor 123 of the rotating mechanism 12 is opened to drive the worm 121 to rotate, and when the worm 121 rotates, the worm wheel 122 meshed with the worm wheel 121 rotates to drive the center post 124 in the middle of the worm wheel 122 to rotate, so that the fan body 1 on the support frame 18 at the upper end of the center post 124 rotates left and right;
when the fan body 1 runs, the dust screen 2 can block dust and sundries brought by airflow, the dust and sundries are prevented from entering the fan body 1, a user is prevented from mistakenly stretching a hand into the fan body 1, potential safety hazards are reduced, when the interior of the fan body 1 needs to be overhauled, the first spring 44 is compressed by pulling the arc-shaped blocks 41 of the two limiting mechanisms 4, the inserting blocks 42 connected with the two arc-shaped blocks 41 are separated from the inserting holes 6, the fixing frame 3 of the dust screen 2 can be separated from the fixing of the inserting blocks 42, the dust screen 2 can be taken out, the dust screen 2 can be conveniently cleaned, and the interior of the fan body 1 can be overhauled;
when fan body 1 needs to be moved, base 10 bottom is connected with universal wheel 13, through promoting base 10, can drive the fan body 1 removal of base 10 top, after removing to the assigned position, through promoting the connecting rod 153 of stopping mechanism 15, make second spring 154 compressed, two elastic rod 152 that every connecting rod 153 is connected have the elasticity bending nature, with two elastic rod 152 crooked insertions quad slit 14, drive two wedge blocks 151 and insert quad slit 14, make universal wheel 13 spacing by wedge block 151, avoid universal wheel 13 to rotate, make base 10 fixed firm.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. The axial flow fan convenient for disassembly, assembly and replacement of the helicopter is characterized by comprising a fan body (1), wherein a dust screen (2) is installed at an air inlet of the fan body (1), the dust screen (2) is embedded at the air inlet of the fan body (1), a fixed frame (3) is connected to the side edge of the dust screen (2), two ends of the air inlet of the fan body (1) are connected with a limiting mechanism (4), the limiting mechanism (4) comprises arc-shaped blocks (41), one ends, close to each other, of the two arc-shaped blocks (41) are connected with a plurality of inserting blocks (42), a direction adjusting mechanism (8) is arranged on one side of the fan body (1), the direction adjusting mechanism (8) comprises a driving wheel (81), a driven wheel (83) is oppositely arranged above the driving wheel (81), and a base (10) is oppositely arranged below the fan body (1), an inner cavity (11) is formed in the base (10), a rotating mechanism (12) is arranged in the inner cavity (11), the rotating mechanism (12) comprises a worm (121), one side of the worm (121) is connected with a worm wheel (122), four corners of the bottom end of the base (10) are respectively provided with a universal wheel (13), one side, close to each other, of each two opposite universal wheels (13) is respectively provided with a stop mechanism (15), each stop mechanism (15) comprises a wedge-shaped block (151), four sides of the dustproof net (2) are fixedly connected in the fixed frame (3), two ends of the outer wall of an air inlet of the fan body (1) are respectively and fixedly connected with a C-shaped frame (17), two ends of one side, close to each other, of the two C-shaped frames (17) are respectively and fixedly connected with a telescopic column (43), each telescopic column (43) is sleeved with a first spring (44), one end of each first spring (44) is in contact with the inner side wall of each C-shaped frame (17), the other end of the first spring (44) is in contact with the arc surface of the arc-shaped block (41), one end, far away from the C-shaped frame (17), of the telescopic column (43) is in fixed connection with the arc-shaped block (41), the insertion blocks (42) are in fixed connection with the arc-shaped blocks (41), one sides, close to the arc-shaped blocks (41), of the two arc-shaped blocks are in contact with two sides of the outer wall of an air inlet of the fan body (1) respectively, a supporting frame (18) is arranged on the outer side of the fan body (1), a connecting shaft (7) is rotatably connected between two sides of the upper portion of the supporting frame (18), the connecting shaft (7) is fixedly connected with the bottom end of the fan body (1), one end of the connecting shaft (7) penetrates through one side of the supporting frame (18) and is fixedly connected with a driven wheel (83), a driving belt (82) is sleeved between the driven wheel (83) and the driving wheel (81), the middle portion of one side of the driving wheel (81) is rotatably connected with the outer wall of the supporting frame (18) through a rotating shaft, the other side of the driving wheel (81) is fixedly connected with an output shaft of a first motor (84), the lower portion of the side wall of the supporting frame (18) close to one side of the driving wheel (81) is fixedly connected with an L-shaped block (9), and the first motor (84) is fixedly connected to one side of the L-shaped block (9) through a fixing seat.
2. A helicopter axial flow fan convenient to disassemble, assemble and replace according to claim 1, characterized in that: the base (10) is arranged below the support frame (18) relatively, one end of the worm (121) is fixedly connected with a middle shaft (125), the middle shaft (125) is rotatably connected to the inner wall of the inner cavity (11) through a bearing, the other end of the worm (121) is fixedly connected with an output shaft of a second motor (123) through a coupler, the second motor (123) is fixedly connected to the inner wall of the inner cavity (11) through a fixing seat, and the worm (121) is meshed with the worm wheel (122).
3. A helicopter axial flow fan convenient to disassemble, assemble and replace according to claim 1, characterized in that: the middle part fixedly connected with center pillar (124) of worm wheel (122), the bottom of center pillar (124) is rotated and is connected in the diapire of inner chamber (11), base (10) upper end is run through in center pillar (124), the upper end fixed connection in the bottom middle part of support frame (18) of center pillar (124).
4. A helicopter axial flow fan convenient to disassemble, assemble and replace according to claim 1, characterized in that: four universal wheel (13) is fixed connection in the four corners of base (10) respectively, a plurality of quad slit (14) have been seted up to universal wheel (13) border relative wedge (151), and interval between two liang of relative elastic rod (152) is the same with quad slit (14) width, the equal fixedly connected with elastic rod (152) of universal wheel (13) one end is kept away from in wedge (151), two liang of relative the equal fixedly connected with connecting rod (153) of wedge (151) one end is kept away from in elastic rod (152).
5. A helicopter axial flow fan convenient to dismouting change of claim 4 characterized in that: spout (16) have all been seted up to bottom four corners relative connecting rod (153) of base (10), connecting rod (153) upper end sliding connection is in spout (16), connecting rod (153) upper end is close to universal wheel (13) one side fixedly connected with second spring (154), connecting rod (153) one end fixed connection is kept away from in second spring (154) one end cell wall in spout (16).
6. A helicopter axial flow fan convenient to disassemble, assemble and replace according to claim 1, characterized in that: through-hole (5) have all been seted up to the relative inserted block (42) of air intake inner wall of fan body (1), jack (6) have been seted up to the relative inserted block (42) in fixed frame (3) both ends, through-hole (5) are linked together with jack (6), inserted block (42) all run through-hole (5) and peg graft in jack (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011073675.0A CN112160918B (en) | 2020-10-09 | 2020-10-09 | Helicopter axial flow fan convenient to dismouting is changed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113653647A (en) * | 2021-09-10 | 2021-11-16 | 三联泵业股份有限公司 | Centrifugal pump capable of transferring and dissipating heat |
| CN113669302A (en) * | 2021-09-10 | 2021-11-19 | 三联泵业股份有限公司 | Heat radiator of centrifugal pump |
| CN116677617B (en) * | 2023-05-25 | 2024-03-26 | 绍兴市上虞金泰风机有限公司 | Explosion-proof pipeline centrifugal ventilator |
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