CN115013349A - Low-noise axial flow fan capable of being adjusted in a movable and liftable mode - Google Patents
Low-noise axial flow fan capable of being adjusted in a movable and liftable mode Download PDFInfo
- Publication number
- CN115013349A CN115013349A CN202210728104.9A CN202210728104A CN115013349A CN 115013349 A CN115013349 A CN 115013349A CN 202210728104 A CN202210728104 A CN 202210728104A CN 115013349 A CN115013349 A CN 115013349A
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- China
- Prior art keywords
- channel steel
- flow fan
- fixed
- lifting
- axial flow
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 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
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
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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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A low-noise axial flow fan capable of being displaced, lifted and adjusted comprises an air duct of the fan, wherein lifting channel steel is fixedly welded on the outer walls of two sides of the air duct, vertical support columns are inserted into the front end and the rear end of the lifting channel steel, the lower ends of the support columns are fixed on bottom channel steel with a downward opening and in a transverse direction, and the upper ends of the support columns are fixed on a support frame; two ends of the bottom channel steel are provided with turnable travelling wheels; the shaping has vertical first guide way on the support column, and it has fore-and-aft spacing splint to peg graft in the first guide way of support column, and spacing splint are inserted and are established in the lift channel-section steel, and it has the guide pin axle of a plurality of horizontal T types to peg graft on the spacing splint, and the guide pin axle is pegged graft and is fixed on the lift channel-section steel. The low-noise axial flow fan is provided with the turnover type travelling wheel, the position of the travelling wheel can be switched, the axial flow fan can be assisted to move, and meanwhile, the effective positioning of the axial flow fan can be met; and the height of the axial flow fan can be adjusted, so that the limitation of the ventilation and air exhaust directions of the axial flow fan can be effectively reduced.
Description
The technical field is as follows:
the invention relates to the technical field of axial flow fans, in particular to a low-noise axial flow fan capable of being displaced, lifted and adjusted.
Background art:
at present, axial flow fans are all composed of a motor, fan blades, a cylindrical shield and the like and are installed on a support. When the fan is used, the fan is inconvenient to move, and particularly, a large axial flow fan is heavy and can be moved by a plurality of people. The axial flow fan has no rotation function, the direction of the wind direction of the axial flow fan cannot be adjusted at will when the axial flow fan is used in emergency rescue, although some axial flow fans are provided with travelling wheels on a rack, the travelling wheels can be used for realizing the movement of the axial flow fan, the height of the axial flow fan is limited, the ventilation and exhaust height of the axial flow fan cannot be adjusted, and the counter-acting force of the airflow of the axial flow fan can cause the movement of the axial flow fan when the axial flow fan works; the ventilation and air exhaust directions of the axial flow fan are limited.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a low-noise axial flow fan capable of being displaced, lifted and adjusted, wherein the low-noise axial flow fan is provided with a turnover type travelling wheel, the position of the travelling wheel can be switched, the axial flow fan can be assisted to move, and meanwhile, the effective positioning of the axial flow fan can be met; and the height of the axial flow fan can be adjusted, so that the limitation of the ventilation and air exhaust directions of the axial flow fan can be effectively reduced.
A low-noise axial flow fan capable of being displaced, lifted and adjusted comprises a fan, wherein the fan comprises an air duct, longitudinal lifting channel steel is fixedly welded on the outer walls of two sides of the air duct, vertical support columns are inserted into the front end and the rear end of the lifting channel steel, the lower ends of the support columns are fixed on bottom channel steel with a downward opening and in a transverse direction, and the upper ends of the support columns are fixed on a support frame; two ends of the bottom channel steel are provided with turnable travelling wheels; a vertical first guide groove is formed in the supporting column, a longitudinal limiting clamp plate is inserted in the first guide groove of the supporting column, the limiting clamp plate is inserted in the lifting channel steel, a plurality of transverse T-shaped guide pin shafts are inserted in the limiting clamp plate, and the guide pin shafts are inserted and fixed on the lifting channel steel; the middle part of the lifting channel steel is in threaded connection with a transverse clamping bolt, the tail end of the clamping bolt is pressed against a limiting clamping plate, and the limiting clamping plate is pressed against the side wall of the first guide groove on the support column;
the supporting frame comprises two transverse top beams which are distributed front and back, two longitudinal top beams are formed between the transverse top beams, a pulley is inserted between the front ends of the longitudinal top beams and is inserted and sleeved on a supporting shaft, the two ends of the supporting shaft are inserted and fixed on the longitudinal top beams, a longitudinal lead screw is inserted between the longitudinal top beams at the rear side of the pulley, the rear end of the lead screw penetrates through the transverse top beams to form a limiting head, a limiting sleeve is fixed on the lead screw by the insertion sleeve, and the limiting sleeve is inserted between the longitudinal top beams and abuts against the transverse top beams at the rear side of the supporting frame; the screw rod is connected with a sliding block in a threaded manner, a longitudinal second guide groove is formed in the longitudinal top beam, a transverse guide shaft is inserted in the sliding block, and two ends of the guide shaft are inserted in the second guide groove of the longitudinal top beam; a steel wire rope is wound on the pulley, one end of the steel wire rope is fixed on the sliding block, and the other end of the steel wire rope is fixed on an air duct of the fan.
Preferably, the opening on the lifting channel steel faces to the middle part of the air guide duct of the fan, and the upper end and the lower end of the limiting clamping plate respectively abut against the upper bottom surface and the lower bottom surface of the inner side of the lifting channel steel.
Preferably, the lifting channel steel and the clamping bolt are connected in a threaded mode, a jack is formed in the middle of the lifting channel steel, the clamping bolt is inserted into the inner wall of the jack of the lifting channel steel and connected with a nut in a threaded mode, and the nut is welded and fixed on the lifting channel steel.
Preferably, two side walls of the sliding block are respectively abutted against the side walls of the two longitudinal top beams, and a handle is inserted into the limiting head.
Preferably, the steel wire rope is fixedly connected with the air duct on the fan in a mode that an internal thread column sleeve is fixedly welded on the outer wall of the upper end of the air duct, a T-shaped connecting column is fastened on the steel wire rope, and the connecting column is in threaded connection with the internal thread column sleeve.
Preferably, the travelling wheel comprises an L-shaped travelling frame, the travelling frame consists of two side plates and a connecting plate between the side plates, one end of the travelling frame is inserted into a notch of the bottom channel steel and is connected with a hinge shaft in an inserting manner, and two ends of the hinge shaft are inserted and fixed on the bottom channel steel; wheels are inserted between the side plates at the other end of the walking frame, axles are inserted on the wheels, and two ends of each axle are inserted and fixed on the side plates.
Preferably, a brake shoe is clamped between the side wall of the first guide groove on the support column and the limiting clamp plate, and the brake shoe is fixed on the limiting clamp plate in a sticking manner.
Preferably, the length of the air duct on the fan is greater than the length of the lifting channel steel on the two sides of the air duct.
The invention has the beneficial effects that:
the low-noise axial flow fan is provided with the turnover type travelling wheel, the position of the travelling wheel can be switched, the axial flow fan can be assisted to move, and meanwhile, the effective positioning of the axial flow fan can be met; and the height of the axial flow fan can be adjusted, so that the limitation of the ventilation and air exhaust directions of the axial flow fan can be effectively reduced.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention.
In the figure: 1. a fan; 2. lifting channel steel; 3. a support pillar; 31. a first guide groove; 4. a limiting clamp plate; 5. a hub; 2b, fan blades; 3. a motor; 3a, installing a flange; 4. mounting a plate; 4a, a side bracket plate; 5. bottom channel steel; 6. a traveling wheel; 61. a walking frame; 611. a side plate; 612. a connecting plate; 62. hinging a shaft; 63. a wheel; 64. an axle; 7. a guide pin shaft; 8. clamping the bolt; 9. a support frame; 91. a cross-top beam; 92. a longitudinal top beam; 921. a second guide groove; 10. a nut; 11. a pulley; 12. a fulcrum; 13. a slider; 14. a guide shaft; 15. a wire rope; 16. a lead screw; 161. a limiting head; 17. a handle; 18. a limiting sleeve; 20. an internal thread column sleeve; 21. connecting columns.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, the low-noise axial flow fan capable of being displaced, lifted and adjusted comprises a fan 1, wherein the fan 1 comprises an air duct, longitudinal lifting channel steel 2 is welded and fixed on the outer walls of two sides of the air duct, vertical support columns 3 are inserted into the front end and the rear end of the lifting channel steel 2, the lower ends of the support columns 3 are fixed on bottom channel steel 5 with a downward opening and in a transverse shape, and the upper ends of the support columns 3 are fixed on a support frame 9; two ends of the bottom channel steel 5 are provided with a reversible travelling wheel 6; a vertical first guide groove 31 is formed in the supporting column 3, a longitudinal limiting clamp plate 4 is inserted in the first guide groove 31 of the supporting column 3, the limiting clamp plate 4 is inserted in the lifting channel steel 2, a plurality of transverse T-shaped guide pin shafts 7 are inserted in the limiting clamp plate 4, and the guide pin shafts 7 are inserted and fixed on the lifting channel steel 2; the middle part of the lifting channel steel 2 is in threaded connection with a transverse clamping bolt 8, the tail end of the clamping bolt 8 is pressed against the limiting clamping plate 4, and the limiting clamping plate 4 is pressed against the side wall of the first guide groove 31 on the support column 3;
the supporting frame 9 comprises two transverse top beams 91 which are distributed in the front and the back, two longitudinal top beams 92 are formed between the transverse top beams 91, a pulley 11 is inserted between the front ends of the longitudinal top beams 92, the pulley 11 is inserted and sleeved on a fulcrum 12, two ends of the fulcrum 12 are inserted and fixed on the longitudinal top beams 92, a longitudinal lead screw 16 is inserted between the longitudinal top beams 92 at the back side of the pulley 11, the back end of the lead screw 16 penetrates through the transverse top beams 91 to form a limiting head 161, a limiting sleeve 18 is fixed on the lead screw 16 in an inserted and sleeved manner, and the limiting sleeve 18 is inserted between the longitudinal top beams 92 and abuts against the transverse top beams 91 at the back side of the supporting frame 9; the screw 16 is screwed with a sliding block 13, a longitudinal second guide groove 921 is formed on the longitudinal top beam 92, a transverse guide shaft 14 is inserted on the sliding block 13, and two ends of the guide shaft 14 are inserted in the second guide groove 921 of the longitudinal top beam 92; a steel wire rope 15 is wound on the pulley 11, one end of the steel wire rope 15 is fixed on the sliding block 13, and the other end of the steel wire rope 15 is fixed on an air duct of the fan 1.
Preferably, the opening on the lifting channel steel 2 faces the middle part of the air duct of the fan 1, and the upper end and the lower end of the limiting clamping plate 4 are respectively abutted against the upper bottom surface and the lower bottom surface of the inner side of the lifting channel steel 2.
Preferably, the lifting channel steel 2 and the clamping bolt 8 are connected in a threaded manner, a jack is formed in the middle of the lifting channel steel 2, the clamping bolt 8 is inserted into the inner wall of the jack of the lifting channel steel 2 and connected with a nut 10 in a threaded manner, and the nut 10 is welded and fixed on the lifting channel steel 2.
Preferably, two side walls of the sliding block 13 respectively abut against the side walls of the two longitudinal top beams 92, and the handle 17 is inserted into the limiting head 161.
Preferably, the steel wire rope 15 is fixedly connected with the air duct on the fan 1 in a mode that an internal thread column sleeve 20 is fixedly welded on the outer wall of the upper end of the air duct, a T-shaped connecting column 21 is fastened on the steel wire rope 15, and the connecting column 21 is screwed in the internal thread column sleeve 20.
Preferably, the traveling wheel 6 comprises an L-shaped traveling frame 61, the traveling frame 61 is composed of two side plates 611 and a connecting plate 612 between the side plates 611, one end of the traveling frame 61 is inserted into a notch of the bottom channel steel 5 and is connected with a hinge shaft 62 in an inserting manner, and two ends of the hinge shaft 62 are inserted and fixed on the bottom channel steel 5; wheels 63 are inserted between the side plates 611 at the other end of the walking frame 61, axles 64 are inserted on the wheels 63, and two ends of the axles 64 are inserted and fixed on the side plates 611.
Preferably, a brake shoe is clamped between the side wall of the first guide groove 31 on the support column 3 and the limiting clamping plate 4, and the brake shoe is fixed on the limiting clamping plate 4 in an adhering manner.
Preferably, the length of the air guide cylinder on the fan 1 is greater than the length of the lifting channel steel 2 on two sides of the air guide cylinder.
The working principle is as follows: the invention is a low-noise axial flow fan capable of being displaced, lifted and adjusted, the low-noise axial flow fan has a simple and compact structure, the main part is a fan 1 (the fan 1 can also be obliquely arranged), the fan 1 is arranged on a rack capable of adjusting the height, the rack comprises a bottom channel steel 5, a lifting channel steel 2, a support column 3, a support frame 9 and other parts, a walking wheel 6 capable of being overturned is arranged on the bottom channel steel 5 of the rack, as shown in figure 1, the walking wheel 6 is overturned and arranged at the outer side of the bottom channel steel 5, the bottom channel steel 5 lands, and wheels 63 on the walking wheel 6 are not contacted with the ground; the positioning of the fan 1 can be effectively ensured;
when the height of the fan 1 is adjusted, the clamping bolt 8 is loosened, then the lead screw 16 is rotated, the lead screw 16 can drive the sliding block 13 to move on the lead screw 16, the sliding block 13 can move to pull the steel wire rope 15 or release the steel wire rope 15, when the steel wire rope 15 is pulled, the fan 1 can be driven, when the steel wire rope 15 is released, the fan 1 can descend under the action of gravity of the fan 1, after the height of the fan 1 is adjusted, the clamping bolt 8 is locked, and the fan 1 can be effectively positioned and arranged on the supporting column 3 by clamping and positioning the limiting clamping plate 4 in cooperation with the pulling of the steel wire rope 15; the height adjusting mechanism is convenient to adjust, and the positioning of the fan 1 is also convenient and quick;
and when fan 1 need be removed, can lift up one side of low noise axial fan, will walk the wheel 6 upset and remove the downside to bottom channel-section steel 5, lift up low noise axial fan's opposite side again, realize similarly that 6 upsets of walking wheel set up the downside to bottom channel-section steel 5, and then wheel 63 contacts ground, can realize the promotion removal of fan 1.
The examples are intended to illustrate the invention, but not to limit it. The embodiments may be modified by those skilled in the art without departing from the spirit and scope of the invention, and therefore, the scope of the claims should be determined from that of the invention.
Claims (8)
1. The utility model provides a but low noise axial fan of displacement liftable regulation, includes fan (1), and fan (1) includes the guide duct, and the outer wall welded fastening of guide duct both sides has fore-and-aft lift channel-section steel (2), its characterized in that: vertical supporting columns (3) are inserted into the front ends and the rear ends of the lifting channel steels (2), the lower ends of the supporting columns (3) are fixed on bottom channel steels (5) with downward openings and transverse directions, and the upper ends of the supporting columns (3) are fixed on a supporting frame (9); two ends of the bottom channel steel (5) are provided with a reversible travelling wheel (6); a vertical first guide groove (31) is formed in the supporting column (3), a longitudinal limiting clamping plate (4) is inserted into the first guide groove (31) of the supporting column (3), the limiting clamping plate (4) is inserted into the lifting channel steel (2), a plurality of transverse T-shaped guide pin shafts (7) are inserted into the limiting clamping plate (4), and the guide pin shafts (7) are inserted and fixed on the lifting channel steel (2); the middle part of the lifting channel steel (2) is in threaded connection with a transverse clamping bolt (8), the tail end of the clamping bolt (8) is pressed against the limiting clamping plate (4), and the limiting clamping plate (4) is pressed against the side wall of the first guide groove (31) on the support column (3);
the supporting frame (9) comprises two front and rear cross top beams (91), two longitudinal top beams (92) are formed between the cross top beams (91), pulleys (11) are inserted between the front ends of the longitudinal top beams (92), the pulleys (11) are sleeved on the support shafts (12), two ends of each support shaft (12) are inserted and fixed on the longitudinal top beams (92), longitudinal lead screws (16) are inserted between the longitudinal top beams (92) at the rear sides of the pulleys (11), the rear ends of the lead screws (16) penetrate through the cross top beams (91) to form limiting heads (161), limiting sleeves (18) are fixed on the lead screws (16) in an inserting and sleeving manner, and the limiting sleeves (18) are inserted between the longitudinal top beams (92) and abut against the cross top beams (91) at the rear sides of the supporting frame (9); a sliding block (13) is connected to the lead screw (16) in a threaded manner, a longitudinal second guide groove (921) is formed in the longitudinal top beam (92), a transverse guide shaft (14) is inserted into the sliding block (13), and two ends of the guide shaft (14) are inserted into the second guide groove (921) of the longitudinal top beam (92); and a steel wire rope (15) is wound on the pulley (11), one end of the steel wire rope (15) is fixed on the sliding block (13), and the other end of the steel wire rope (15) is fixed on an air duct of the fan (1).
2. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: the opening on the lifting channel steel (2) faces the middle part of the air guide duct of the fan (1), and the upper end and the lower end of the limiting clamping plate (4) are respectively abutted against the upper bottom surface and the lower bottom surface of the inner side of the lifting channel steel (2).
3. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: the lifting channel steel (2) and the clamping bolt (8) are connected in a threaded mode, a jack is formed in the middle of the lifting channel steel (2), the clamping bolt (8) is inserted into the inner wall of the jack of the lifting channel steel (2) and connected with a nut (10) in a threaded mode, and the nut (10) is welded and fixed on the lifting channel steel (2).
4. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: two side walls of the sliding block (13) are respectively abutted against the side walls of the two longitudinal top beams (92), and a handle (17) is inserted into the limiting head (161).
5. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: the steel wire rope (15) is fixedly connected with the air duct on the fan (1) in a mode that an internal thread column sleeve (20) is fixedly welded on the outer wall of the upper end of the air duct, a T-shaped connecting column (21) is fastened and buckled on the steel wire rope (15), and the connecting column (21) is screwed in the internal thread column sleeve (20).
6. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: the walking wheels (6) comprise L-shaped walking frames (61), each walking frame (61) is composed of two side plates (611) and a connecting plate (612) between the side plates (611), one end of each walking frame (61) is inserted into a notch of the bottom channel steel (5) and is connected with a hinge shaft (62) in an inserting mode, and two ends of each hinge shaft (62) are fixedly inserted into the bottom channel steel (5); wheels (63) are inserted between the side plates (611) at the other end of the walking frame (61), axles (64) are inserted on the wheels (63), and two ends of each axle (64) are inserted and fixed on the side plates (611).
7. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: the brake shoe is clamped between the side wall of the first guide groove (31) on the support column (3) and the limiting clamping plate (4), and the brake shoe is fixed on the limiting clamping plate (4) in a sticking mode.
8. The low-noise axial-flow fan capable of being displaced and adjusted in a lifting way according to claim 1, is characterized in that: the length of the air duct on the fan (1) is greater than that of the lifting channel steel (2) on the two sides of the air duct.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210728104.9A CN115013349A (en) | 2022-06-24 | 2022-06-24 | Low-noise axial flow fan capable of being adjusted in a movable and liftable mode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210728104.9A CN115013349A (en) | 2022-06-24 | 2022-06-24 | Low-noise axial flow fan capable of being adjusted in a movable and liftable mode |
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CN115013349A true CN115013349A (en) | 2022-09-06 |
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CN202210728104.9A Pending CN115013349A (en) | 2022-06-24 | 2022-06-24 | Low-noise axial flow fan capable of being adjusted in a movable and liftable mode |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN118030569A (en) * | 2024-04-15 | 2024-05-14 | 珠海格力电器股份有限公司 | Fan |
CN118066151A (en) * | 2024-04-19 | 2024-05-24 | 江苏赛夫特防爆电气有限公司 | Marine axial fan |
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CN112299191A (en) * | 2020-10-29 | 2021-02-02 | 许敬良 | Hoisting device for power equipment |
CN213894930U (en) * | 2020-11-27 | 2021-08-06 | 南京杨川机电设备检修安装有限责任公司 | Hoisting and transferring device for chemical raw material tank |
CN215886167U (en) * | 2021-09-17 | 2022-02-22 | 宁波中能连通机械有限公司 | Cylinder furnace carrying and positioning device |
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CN118030569A (en) * | 2024-04-15 | 2024-05-14 | 珠海格力电器股份有限公司 | Fan |
CN118030569B (en) * | 2024-04-15 | 2024-07-09 | 珠海格力电器股份有限公司 | Fan |
CN118066151A (en) * | 2024-04-19 | 2024-05-24 | 江苏赛夫特防爆电气有限公司 | Marine axial fan |
CN118066151B (en) * | 2024-04-19 | 2024-06-18 | 江苏赛夫特防爆电气有限公司 | Marine axial fan |
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