CN117948291B - Marine firm type explosion-proof fan - Google Patents
Marine firm type explosion-proof fan Download PDFInfo
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- CN117948291B CN117948291B CN202410346336.7A CN202410346336A CN117948291B CN 117948291 B CN117948291 B CN 117948291B CN 202410346336 A CN202410346336 A CN 202410346336A CN 117948291 B CN117948291 B CN 117948291B
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- 230000001105 regulatory effect Effects 0.000 claims abstract 2
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000005484 gravity Effects 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 5
- 239000003381 stabilizer Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000003466 welding Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention relates to the field of fans, in particular to a stable anti-explosion fan for a ship, which comprises a fan barrel, wherein a fixed support leg is fixedly arranged at the bottom of the fan barrel, a bottom plate is arranged on the fixed support leg, a base is rotatably arranged on the fixed support leg through a middle plate, the angle of the base is regulated through a control motor, a rotating bracket is fixedly arranged on the base, a center seat is arranged on the rotating bracket, a first magnetic block is annularly arranged on the center seat, a second magnetic block is annularly arranged on the rotating head, fan blades are positioned and rotated through the magnetic attraction between the first magnetic block and the second magnetic block, a movable seat is slidably arranged on the center seat, correction frames with the same number as that of the fan blades are assembled on the movable seat, the correction frames can linearly move, a balancing weight is movably arranged on the bottom plate, and the balancing weight moves along with the rotation of the rotating bracket; the purpose of automatically correcting the fan and adjusting the gravity center so as to improve the stability and durability of the fan can be achieved.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a stable anti-explosion fan for a ship.
Background
When the ship is subjected to operations such as fueling, cargo handling, cabin cleaning and the like, explosion accidents can occur due to harmful gases accumulated in the cabin, such as petroleum gas, natural gas, hydrogen sulfide and the like. To ensure the safety of crew and cargo, the ship must be equipped with an explosion-proof blower to avoid explosion hazards caused by harmful gases. In the airtight spaces such as the fuel tank, the cargo tank, the cabin and the cabin in the ship, harmful gas can be effectively discharged, the temperature and the humidity can be reduced by using the explosion-proof fan, the air freshness in the ship is ensured, and the health and the life quality of crews are ensured.
At present, an explosion-proof fan is usually arranged in an exhaust pipe of a cabin, and an axial flow fan is adopted to generate air flow along the direction of the air pipe. In the long-time use process of the explosion-proof fan, as the exhaust pressure is large, and the air environment is complex, the deformation and corrosion of the blades of the explosion-proof fan are easy to occur, so that the exhaust effect of the explosion-proof fan is poor. Meanwhile, when the explosion-proof fan is used, vibration is easy to generate in the air pipe, so that the overall stability of the explosion-proof fan is influenced. And, because the explosion-proof fan sets up in the tuber pipe, it is very inconvenient to fan blade even in the holistic maintenance of fan.
Disclosure of Invention
The invention aims to provide a stable anti-explosion fan for a ship, so as to achieve the purpose of automatically correcting and adjusting the gravity center of the fan to improve the stability and durability of the fan, and solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a marine firm type explosion-proof fan, includes the fan barrel, fixed mounting has actuating mechanism in the fan barrel, and is connected with the rotating head on the actuating mechanism, fixed mounting has fan blade on the rotating head, the bottom fixed mounting of fan barrel has fixed stabilizer blade, fixes the fan barrel in boats and ships ventilation pipe through fixed stabilizer blade, be provided with the bottom plate on the fixed stabilizer blade, and be provided with the buffer strip on the bottom plate, install the base through the mid-plate rotation on the fixed stabilizer blade, and the angle of base is adjusted through control motor, fixed mounting has the runing rest on the base, and is provided with the center seat on the runing rest, annular is provided with first magnetic path on the center seat, and rotates first annular and be provided with the second magnetic path, makes fan blade location rotation through the magnetic attraction between first magnetic path and the second magnetic path, slidable mounting has the movable seat on the center seat, and the movable seat is through promoting cylinder control position, be equipped with the correction frame unanimous with fan blade quantity on the movable seat, and correct the frame and can rectilinear movement, movable mounting has the balancing weight on the bottom plate along with rotating the balancing weight and moving to the runing rest when moving to the runing rest, and moving to the horizontal stand when moving to the runing rest, the horizontal stand moves to the state when moving to the runing rest.
Preferably, the driving mechanism and the rotating head are arranged at the axis of the fan barrel, the driving mechanism is arranged through a circular bracket, the fan blade annular array is arranged on the rotating head, and the fan blade adopts a straight wing type or an oblique wing type.
Preferably, the fixed stabilizer blade is provided with four, and fixed stabilizer blade passes through the bolt to be fixed on boats and ships ventilation pipe inner wall, the bottom plate welding is on fixed stabilizer blade, and the buffering strip equidistance arranges the bottom surface that sets up at the bottom plate, and the bottom contact of buffering strip and boats and ships ventilation pipe.
Preferably, the middle plate is located above the bottom plate, the front end of the middle plate is provided with a supporting seat, the supporting seat is rotatably provided with a base, the rotating support is a circular support, and the rotating support is assembled on the base.
Preferably, the center seat is arranged at the center of the circle of the rotating bracket, the first magnetic blocks and the second magnetic blocks are all four, the first magnetic blocks are arranged on the end face of the center seat, and the second magnetic blocks are arranged in gaps of the fan blades.
Preferably, the movable seat penetrates through the middle part of the central seat and is slidably mounted, the pushing cylinder is connected to the rotating support, an annular support is arranged on the end face of the movable seat, a linear rail is mounted on the annular support, a sliding block is mounted in the linear rail in a driving mode, and the correcting frame is mounted on the sliding block.
Preferably, the annular support is provided with the branch structure unanimous with fan blade quantity, and the slope of straight line track sets up on the branch structure, the orbital inclination of straight line sets up according to fan blade's installation angle, correct the frame and adopt straight chamber type or inclined chamber type.
Preferably, the bottom plate is fixedly provided with a sliding rail, the balancing weight is arranged on the sliding rail in a limiting sliding manner, and the balancing weight is fixedly connected with a spring.
Preferably, the connecting shaft is vertically rotatably arranged on the bottom plate, the gear and the rope ring are coaxially arranged on the connecting shaft, the rope ring is fixedly connected with a pull rope, and the pull rope is connected to the end face of the balancing weight.
Preferably, a vertical sliding seat is fixedly arranged on the bottom plate, a lifting block is slidably arranged in the sliding seat, a wedge block is arranged in the sliding seat through a horizontal spring guide rod and is positioned at the bottom of the lifting block, a pushing rack is fixedly connected to the wedge block, the pushing rack is meshed with the gear, and the lifting block is positioned on a rotating path of the pushing cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. The explosion-proof fan adopts the axial flow fan, can generate wind force along the direction of the fan barrel to exhaust the dangerous gas for the ship, has better stability, the fan barrel is installed through the fixed support legs, the bottom plate with the buffer strips is arranged on the fixed support legs and used as a supplementary supporting structure, the bottom plate has larger contact area, the stability of the fan during use can be enhanced, the vibration generated by the fan can be absorbed, the middle plate is also arranged on the fixed support legs, the strength of the fixed support legs can be increased, meanwhile, the rotation installation of the base is carried out by means of the middle plate, when the explosion-proof fan is started, the rotation support on the base is laid down to be in a horizontal state, the use of the fan is not influenced, and when the explosion-proof fan is closed, the base is driven to rotate reversely by controlling the motor, so that the rotation support on the base is erected on the side surface of the fan barrel, the protection effect can be achieved, and the anti-impurity interference capability of the fan is increased.
2. According to the invention, the middle part of the rotating support is reinforced through the center seat, the four first magnetic blocks are arranged on the center seat, the four second magnetic blocks are arranged on the rotating head of the fan, when the explosion-proof fan is stopped and the rotating support rotates to the side surface of the fan barrel, the rotating head can rotate to a corresponding angle through the magnetic attraction generated between the first magnetic blocks and the second magnetic blocks, the rotating head corresponds to the correction frame, after the rotating head drives the fan blade to rotate to a corresponding position, the correction frame can be moved to a position which is attached to the fan blade, then the correction frame is driven by the linear rail to be sheathed on the fan blade, the inner cavity of the correction frame is designed according to the preset shape of the fan blade, so that the fan blade can be corrected and repaired during the sheathing, the deformation generated by the correction frame is eliminated, the durability and the use stability of the fan blade are improved, the manual correction is not required to be opened, the correction frame and the linear rail are all installed in an assembly mode, corresponding selection can be performed according to different types of the fan, and the installation angle of the linear rail and the current shape of the correction frame can be attached to the fan blade.
3. The bottom plate is also provided with the balancing weight capable of automatically adjusting the position, the position adjustment is carried out according to the state of the rotating support, and after the rotating support rotates to a horizontal state or an upright state, the whole gravity center of the fan can be closer to the middle part through the corresponding movement of the balancing weight, so that the stability of the fan in use is improved, the generated vibration is reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic front view of a blower of the present invention.
FIG. 2 is a rear schematic view of the fan of the present invention.
Fig. 3 is a schematic view of a main structure of a fan according to the present invention.
FIG. 4 is a schematic view of a fan blade configuration of the present invention.
Fig. 5 is a schematic view of a base structure of the present invention.
Fig. 6 is a schematic view of a rotating bracket structure according to the present invention.
Fig. 7 is a first schematic diagram of the correction frame structure of the present invention.
Fig. 8 is a second schematic diagram of the correction frame structure of the present invention.
FIG. 9 is a schematic diagram of a movable counterweight structure according to the invention.
Fig. 10 is a schematic view of the loop and pull cord construction of the present invention.
Fig. 11 is a schematic view of the structure of the base plate of the present invention.
In the figure: 1. a blower cylinder; 2. a driving mechanism; 3. a rotating head; 4. a fan blade; 5. fixing the support legs; 6. a bottom plate; 7. a buffer strip; 8. an intermediate plate; 9. a support base; 10. a base; 11. controlling a motor; 12. rotating the bracket; 13. a center seat; 14. a first magnetic block; 15. a second magnetic block; 16. a movable seat; 17. a pushing cylinder; 18. an annular bracket; 19. a linear rail; 20. a slide block; 21. correcting the frame; 22. a slide rail; 23. balancing weight; 24. a spring; 25. a connecting shaft; 26. a gear; 27. rope loop; 28. a pull rope; 29. a slide; 30. a lifting block; 31. a spring guide rod; 32. wedge blocks; 33. pushing the rack.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, under the precondition of no conflict, new embodiments can be formed by any combination of the embodiments or technical features described below, and it should be understood that the described embodiments are only some embodiments of the present invention, 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.
Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a marine firm type explosion-proof fan, including fan barrel 1, fixed mounting has actuating mechanism 2 in the fan barrel 1, and be connected with on the actuating mechanism 2 and rotate first 3, fixedly mounted has fan blade 4 on the first 3, the bottom fixed mounting of fan barrel 1 has fixed stabilizer blade 5, fix fan barrel 1 in the boats and ships ventilation pipe through fixed stabilizer blade 5, be provided with bottom plate 6 on the fixed stabilizer blade 5, and be provided with buffer strip 7 on the bottom plate 6, install base 10 through the mid-plate 8 rotation on the fixed stabilizer blade 5, and the angle of base 10 is adjusted through control motor 11, fixed mounting has rotation support 12 on the base 10, and be provided with center rest 13 on the rotation support 12, annular is provided with first magnetic path 14 on the center rest 13, and be provided with second magnetic path 15 on the rotation head 3, make fan blade 4 location rotation through the magnetism between first magnetic path 14 and the second magnetic path 15, slidable mounting has movable seat 16 on the center rest 13, and movable seat 16 is equipped with the correction frame 21 unanimous with fan blade 4 quantity on the movable seat 16 through pushing cylinder 17 control position, and the movable seat 16 is equipped with the correction frame 21 on the movable support 12, and when the movable support 23 is moved to the rotation support 23 when the straight line 23 is moved to the rotation support 12, and the rotation support 23 is kept away from the rotation support 12 when the rotation support 12 is rotated to the state.
The driving mechanism 2 and the rotating head 3 are arranged at the axis of the fan barrel 1, the driving mechanism 2 is arranged through a circular bracket, the fan blades 4 are arranged on the rotating head 3 in an annular array, and the fan blades 4 adopt straight wing profiles or oblique wing profiles.
The explosion-proof fan adopts an axial flow fan, the driving mechanism 2 of the explosion-proof fan is arranged in a fan cylinder 1, the fan cylinder 1 is fixed in a square ventilation pipeline of a ship, and when the driving mechanism 2 is used for driving the rotating head 3 and the fan blades 4 to rotate, wind force along the direction of the fan cylinder 1 can be generated to perform the exhaust work of dangerous gas for the ship.
The fixed stabilizer blade 5 is provided with four, and fixed stabilizer blade 5 passes through the bolt to be fixed on boats and ships ventilation pipe inner wall, and bottom plate 6 welding is on fixed stabilizer blade 5, and the equidistant arrangement of buffer strip 7 sets up in the bottom surface of bottom plate 6, and buffer strip 7 and the bottom contact of boats and ships ventilation pipe.
The explosion-proof fan has better stability, the fan barrel 1 is installed through the fixed support legs 5, the bottom plate 6 with the buffer strips 7 is arranged on the fixed support legs 5 and used as a supplementary supporting structure, the bottom plate 6 has larger contact area, the stability of the fan in use can be enhanced, and the vibration generated by the fan can be absorbed.
The intermediate plate 8 is located above the bottom plate 6, and the front end of the intermediate plate 8 is provided with a supporting seat 9, a base 10 is rotatably installed on the supporting seat 9, a rotating support 12 is a circular support, and the rotating support 12 is assembled on the base 10.
The fixing support leg 5 is further provided with the middle plate 8, the strength of the fixing support leg 5 is increased through the middle plate 8, the base 10 is rotatably installed by means of the supporting seat 9 at the end part of the middle plate 8, when the explosion-proof fan is started, the base 10 is driven to rotate through the control motor 11, the rotating support 12 on the base 10 is enabled to lie down to be in a horizontal state, and when the explosion-proof fan is closed, the base 10 is driven to rotate reversely through the control motor 11, the rotating support 12 on the base 10 is enabled to stand on the side face of the fan barrel 1, and the protection effect is achieved.
The center seat 13 is installed in the centre of a circle position of the rotation support 12, and first magnetic path 14 and second magnetic path 15 all are provided with four, and first magnetic path 14 is installed on the terminal surface of center seat 13, and second magnetic path 15 installs in the clearance of fan blade 4.
The middle part of the rotating bracket 12 is reinforced through the center seat 13, four first magnetic blocks 14 are arranged on the center seat 13, four second magnetic blocks 15 are arranged on the rotating head 3 of the fan, and when the explosion-proof fan is stopped and the rotating bracket 12 rotates to the side surface of the fan cylinder 1, the rotating head 3 can rotate to a corresponding angle through the magnetic attraction generated between the first magnetic blocks 14 and the second magnetic blocks 15 and corresponds to the correction frame 21.
The movable seat 16 penetrates through the middle part of the central seat 13 and is slidably mounted, the pushing cylinder 17 is connected to the rotating support 12, an annular support 18 is arranged on the end face of the movable seat 16, a linear track 19 is assembled on the annular support 18, a sliding block 20 is arranged in the linear track 19 in a driving mode, and a correction frame 21 is arranged on the sliding block 20.
After the rotating head 3 drives the fan blade 4 to rotate to the corresponding position, the movable seat 16 can be pushed forward by pushing the air cylinder 17, so that the movable seat 16 moves in the center seat 13, and the correction frame 21 thereon moves to a position fitting the fan blade 4.
The annular bracket 18 is provided with a branch structure consistent with the fan blades 4 in number, and the linear rail 19 is obliquely arranged on the branch structure, the inclination angle of the linear rail 19 is set according to the installation angle of the fan blades 4, and the correction frame 21 adopts a straight cavity type or an inclined cavity type.
Utilize linear rail 19 to drive slider 20 and make a round trip in wherein reciprocating motion to make correction frame 21 cup joint on fan blade 4, correction frame 21's inside cavity is designed according to fan blade 4's the shape of predetermineeing, consequently can correct the restoration to fan blade 4 when cup jointing, the deformation that removes its production, improve fan blade 4's durability and stability in use, and correction frame 21 and linear rail 19 all adopt the mode of assembly to install, according to the model difference of fan, can carry out corresponding selection, make the inclination and the shape of current fan blade 4 can be laminated to the installation angle of linear rail 19 and correction frame 21's cavity shape.
The bottom plate 6 is fixedly provided with a slide rail 22, the balancing weight 23 is arranged on the slide rail 22 in a limiting sliding manner, and the balancing weight 23 is fixedly connected with a spring 24.
The bottom plate 6 is also provided with the balancing weight 23 capable of automatically adjusting the position, and when the rotating bracket 12 rotates to a horizontal state or an upright state, the gravity center of the whole fan is closer to the middle part through corresponding movement of the balancing weight 23, so that the stability of the fan is improved.
The connecting shaft 25 is vertically and rotatably arranged on the bottom plate 6, the gear 26 and the rope ring 27 are coaxially arranged on the connecting shaft 25, the rope ring 27 is fixedly connected with the pull rope 28, and the pull rope 28 is connected to the end face of the balancing weight 23.
A vertical sliding seat 29 is fixedly arranged on the bottom plate 6, a lifting block 30 is slidably arranged in the sliding seat 29, a wedge block 32 is arranged in the sliding seat 29 through a horizontal spring guide rod 31, the wedge block 32 is positioned at the bottom of the lifting block 30, a pushing rack 33 is fixedly connected to the wedge block 32, the pushing rack 33 is meshed with the gear 26, and the lifting block 30 is positioned on the rotating path of the pushing cylinder 17.
When the rotating bracket 12 is in an upright state as shown in the drawing, the balancing weight 23 is positioned below the fan barrel 1 under the action of the spring 24, so that the gravity center of the whole fan is positioned at the fan barrel 1 and is balanced, and when the rotating bracket 12 rotates to a horizontal state, the pushing cylinder 17 presses the whole weight of the rotating bracket 12 on the lifting block 30, so that the lifting block 30 moves downwards in the sliding seat 29, pressure is generated on the wedge block 32, the wedge block 32 drives the pushing rack 33 to move, the driving gear 26 and the connecting shaft 25 rotate, the rope loop 27 and the gear 26 are coaxially connected, but the rope loop 27 has larger diameter and linear speed, the rope 28 can be wound on the rope loop 27, so that the balancing weight 23 is pulled, the balancing weight 23 moves, the gravity center is adjusted to be positioned in the middle of the rotating bracket 12 and the fan barrel 1, the whole weight distribution of the fan is balanced, the fan is stable, and the fan is started to have better stability, and the generated vibration is reduced.
The invention is used when in use: firstly, the explosion-proof fan adopts an axial flow fan, a driving mechanism 2 of the explosion-proof fan is arranged in a fan cylinder 1, the fan cylinder 1 is fixed in a square ventilation pipeline of a ship, when the driving mechanism 2 is used for driving a rotating head 3 and fan blades 4 to rotate, wind force along the direction of the fan cylinder 1 can be generated to exhaust dangerous gas for the ship, the explosion-proof fan has better stability, the fan cylinder 1 is arranged through a fixed support leg 5, a bottom plate 6 with a buffer strip 7 is arranged on the fixed support leg 5 and used as a supplementary supporting structure, the bottom plate 6 has larger contact area, and the stability of the fan in use can be enhanced, The invention also provides a middle plate 8 on the fixed support leg 5 to increase the intensity of the fixed support leg 5 through the middle plate 8, the base 10 is rotatably installed by the support seat 9 at the end part of the middle plate 8, when the explosion-proof fan is started, the base 10 is driven to rotate by the control motor 11 to enable the rotating support 12 on the base 10 to lie down to a horizontal state, when the explosion-proof fan is closed, the base 10 is driven to rotate reversely by the control motor 11, the rotating support 12 on the base 10 is erected on the side surface of the fan barrel 1 to play a protective role, the middle part of the rotating support 12 is reinforced by the center seat 13, And four first magnetic blocks 14 are arranged on the center seat 13, four second magnetic blocks 15 are arranged on the rotating head 3 of the fan, when the explosion-proof fan is stopped and the rotating bracket 12 rotates to the side surface of the fan barrel 1, the rotating head 3 can rotate to a corresponding angle through the magnetic attraction generated between the first magnetic blocks 14 and the second magnetic blocks 15, corresponding to the correction frame 21, after the rotating head 3 drives the fan blade 4 to rotate to a corresponding position, the movable seat 16 can be pushed forward by pushing the air cylinder 17, so that the movable seat 16 moves in the center seat 13, the correction frame 21 thereon moves to a position which is jointed with the fan blade 4, The linear rail 19 is utilized to drive the sliding block 20 to reciprocate in the linear rail, so that the correction frame 21 is sleeved on the fan blade 4, the internal cavity of the correction frame 21 is designed according to the preset shape of the fan blade 4, therefore, the fan blade 4 can be corrected and repaired during the sleeving, the deformation generated by the correction frame is eliminated, the durability and the use stability of the fan blade 4 are improved, the correction frame 21 and the linear rail 19 are installed in an assembling mode, corresponding selection can be carried out according to different types of fans, the installation angle of the linear rail 19 and the cavity shape of the correction frame 21 can be attached to the inclination angle and the shape of the current fan blade 4, the bottom plate 6 of the invention is also provided with the balancing weight 23 which can automatically adjust the position, when the rotating bracket 12 rotates to a horizontal state or an upright state, the gravity center of the whole fan is closer to the middle part through the corresponding movement of the balancing weight 23, the stability of the fan is improved, when the rotating bracket 12 is in the upright state as shown in the attached drawing, the balancing weight 23 is positioned below the fan barrel 1 under the action of the spring 24, the gravity center of the whole fan is positioned at the fan barrel 1 and is more balanced, when the rotating bracket 12 rotates to the horizontal state, the pushing cylinder 17 pushes the weight of the whole rotating bracket 12 to the lifting block 30, the lifting block 30 moves downwards in the sliding seat 29, thereby produce pressure to wedge block 32 for wedge block 32 drives the promotion rack 33 and removes, and then drive gear 26 and connecting axle 25 rotate, and fag end 27 and gear 26 coaxial coupling, but fag end 27 has bigger diameter and linear velocity, can wind stay cord 28 on fag end 27, thereby pulling balancing weight 23, make balancing weight 23 remove, adjust the focus at the intermediate position of rotating support 12 and fan barrel 1, make the holistic weight distribution of fan more balanced, better stability has when the fan is opened, reduce the vibrations that produce.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but various modifications can be made by those skilled in the art without inventive effort from the above concepts, and all modifications are within the scope of the present invention.
Claims (3)
1. The utility model provides a marine firm type explosion-proof fan, includes fan section of thick bamboo (1), fixed mounting has actuating mechanism (2) in fan section of thick bamboo (1), and is connected with on actuating mechanism (2) and rotate first (3), fixed mounting has fan blade (4), its characterized in that on rotating first (3): the bottom of the fan cylinder (1) is fixedly provided with a fixed support leg (5), the fan cylinder (1) is fixed in a ship ventilation pipe through the fixed support leg (5), a bottom plate (6) is arranged on the fixed support leg (5), a buffer strip (7) is arranged on the bottom plate (6), a base (10) is rotatably arranged on the fixed support leg (5) through a middle plate (8), the angle of the base (10) is regulated through a control motor (11), a rotary support (12) is fixedly arranged on the base (10), a center seat (13) is arranged on the rotary support (12), a first magnetic block (14) is annularly arranged on the center seat (13), a second magnetic block (15) is annularly arranged on the rotary head (3), the fan blades (4) are positioned and rotated through magnetic attraction between the first magnetic block (14) and the second magnetic block (15), a movable seat (16) is slidably arranged on the center seat (13), the movable seat (16) is controlled by a pushing air cylinder (17), the movable seat (16) is provided with a correction frame (21) which can be linearly moved on the fan blades (4), the correction frame (21) can be linearly arranged on the fan blades (21), the balancing weight (23) moves along with the rotation of the rotating bracket (12), the balancing weight (23) moves towards the rotating bracket (12) when the rotating bracket (12) rotates to a horizontal state, and the balancing weight (23) is far away from the rotating bracket (12) when the rotating bracket (12) rotates to an upright state; the driving mechanism (2) and the rotating head (3) are arranged at the axis of the fan barrel (1), the driving mechanism (2) is arranged through a circular bracket, the fan blades (4) are annularly arranged on the rotating head (3), and the fan blades (4) adopt straight wing profiles or oblique wing profiles; the middle plate (8) is positioned above the bottom plate (6), the front end of the middle plate (8) is provided with a supporting seat (9), the supporting seat (9) is rotatably provided with a base (10), the rotating support (12) is a circular support, and the rotating support (12) is assembled on the base (10); the center seat (13) is arranged at the center position of the rotating support (12), the first magnetic blocks (14) and the second magnetic blocks (15) are four, the first magnetic blocks (14) are arranged on the end face of the center seat (13), the second magnetic blocks (15) are arranged in gaps of the fan blades (4), the movable seat (16) penetrates through the middle of the center seat (13) and is slidably arranged at the middle of the center seat, the pushing cylinder (17) is connected to the rotating support (12), an annular support (18) is arranged on the end face of the movable seat (16), a linear track (19) is assembled on the annular support (18), a sliding block (20) is arranged in the linear track (19) in a driving mode, and the correction frame (21) is arranged on the sliding block (20);
The utility model discloses a lifting device for a vehicle, including bottom plate (6), connecting axle (25), gear (26) and cable loop (27) are installed to vertical rotation on bottom plate (6), fixedly connected with stay cord (28) on cable loop (27), and stay cord (28) connect on the terminal surface of balancing weight (23), fixedly mounted has vertically slide (29) on bottom plate (6), and slidable mounting has lifter (30) in slide (29), install voussoir (32) through horizontally spring guide arm (31) in slide (29), and voussoir (32) are located the bottom of lifter (30), fixedly connected with promotes rack (33) on voussoir (32), and promotes rack (33) and gear (26) meshing, lifter (30) are located the rotation route of pushing cylinder (17).
2. The marine stable explosion-proof blower of claim 1, wherein: the fixed support legs (5) are provided with four, the fixed support legs (5) are fixed on the inner wall of the ship ventilation pipe through bolts, the bottom plate (6) is welded on the fixed support legs (5), the buffer strips (7) are arranged on the bottom surface of the bottom plate (6) at equal intervals, and the buffer strips (7) are in contact with the bottom of the ship ventilation pipe.
3. The marine stable explosion-proof blower of claim 1, wherein: the annular support (18) is provided with branch structures with the same number as the fan blades (4), the linear tracks (19) are obliquely arranged on the branch structures, the inclination angles of the linear tracks (19) are set according to the installation angles of the fan blades (4), and the correction frame (21) adopts a straight cavity type or an inclined cavity type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410346336.7A CN117948291B (en) | 2024-03-26 | 2024-03-26 | Marine firm type explosion-proof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410346336.7A CN117948291B (en) | 2024-03-26 | 2024-03-26 | Marine firm type explosion-proof fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117948291A CN117948291A (en) | 2024-04-30 |
| CN117948291B true CN117948291B (en) | 2024-06-21 |
Family
ID=90798296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410346336.7A Active CN117948291B (en) | 2024-03-26 | 2024-03-26 | Marine firm type explosion-proof fan |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310703A (en) * | 2017-06-29 | 2017-11-03 | 大连碧蓝节能环保科技有限公司 | A kind of displacement marine propeller |
| CN112797008A (en) * | 2021-01-26 | 2021-05-14 | 浙江明新风机有限公司 | Explosion-proof fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212050305U (en) * | 2020-05-06 | 2020-12-01 | 青岛晨明海洋装备技术有限公司 | Underwater long-period intelligent winch |
| CN216894897U (en) * | 2021-05-20 | 2022-07-05 | 青岛诺诚化学品安全科技有限公司 | Explosion-proof screw air compressor that operation is firm |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310703A (en) * | 2017-06-29 | 2017-11-03 | 大连碧蓝节能环保科技有限公司 | A kind of displacement marine propeller |
| CN112797008A (en) * | 2021-01-26 | 2021-05-14 | 浙江明新风机有限公司 | Explosion-proof fan |
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| CN117948291A (en) | 2024-04-30 |
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