Fan capable of being adjusted in lifting mode

Abstract

The invention discloses a fan capable of being adjusted in a lifting mode, and relates to the technical field of industrial fans, the fan comprises a mounting plate, the mounting plate is mounted at the top of a plant, a hanging rod is vertically arranged below the mounting plate, the lower end of the hanging rod is rotatably connected with a fan head, and a plurality of fixing frames are mounted on the side wall of the fan head in a circumferential array mode; fan blades are arranged at the end, away from the fan head, of the fixing frame, a lifting mechanism used for lifting and moving the hanging rod and the fan head is arranged at the lower end of the mounting plate, and a folding mechanism is arranged on the fixing frame. The rope is wound and unwound through the winding roller, the rope drives the hanging rod, the fan head and the fan blades to move up and down, a worker can conveniently maintain, overhaul and clean the fan, climbing operation of the worker is avoided, when the hanging rod, the fan head and the fan blades descend, the fan blades can be folded to be in a vertical state, and the situation that the fan blades are too long, and the fan blades are damaged is avoided. Therefore, the fan blades touch other equipment in the plant.

Description

Technical Field

[0001] The invention relates to the technical field of industrial fans, in particular to a fan capable of being raised and lowered and adjusted. Background Art

[0002] Industrial fans can most efficiently promote large amounts of air movement, generate ultra-large air volumes, create a moving, circulating airflow field in the space, and can effectively regulate air circulation problems in industrial production workshops.

[0003] Industrial ceiling fans are generally installed on the top of factory buildings. Since the factory buildings are generally very high, daily maintenance and cleaning are very inconvenient. At the same time, the blades of industrial ceiling fans are generally very long. When they are installed and moved up and down, the blades can easily collide with other instruments and equipment, causing damage to the blades or other instruments, making it inconvenient for users to use.

[0004] In view of the above problems, an improved fan capable of being raised and lowered is now designed. Summary of the invention

[0005] The object of the present invention is to provide a fan that can be raised and lowered to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A fan that can be raised and lowered and adjusted comprises a mounting plate, wherein the mounting plate is mounted on the top of a factory building, a suspension rod is vertically arranged below the mounting plate, the lower end of the suspension rod is rotatably connected to a fan head, the fan head adopts existing technology, and the connection between the fan head and the suspension rod is existing technology, and no specific description is given with reference to the existing ceiling fan structure. A plurality of fixing frames are installed in a circular array on the side wall of the fan head, and fan blades are arranged at one end of the fixing frame away from the fan head. A lifting mechanism for lifting and moving the suspension rod and the fan head is arranged at the lower end of the mounting plate, and a folding mechanism for folding the fan blades when the suspension rod and the fan head are lifted or lowered is arranged on the fixing frame.

[0008] As a further solution of the present invention: the lifting mechanism includes two first support plates parallel to each other, the first support plates are vertically installed at the lower end of the mounting plate, a rotating shaft is horizontally arranged between the two first support plates, both ends of the rotating shaft are rotatably connected to the two first support plates, one end of the rotating shaft passes through the first support plate and a motor for driving the rotating shaft to rotate is installed, the motor is installed on the side wall of the first support plate, a winding roller is installed on the side wall of the rotating shaft between the two first support plates, a rope is installed on the side wall of the winding roller, the rope is wound around the side wall of the winding roller, the end of the rope away from the winding roller is installed on the upper end of the suspension rod, and a limiting component for limiting and fixing the suspension rod is provided at the lower end of the first support plate.

[0009] As a further solution of the present invention: the limit assembly includes a fixed plate, which is horizontally installed on the lower end of the first support plate, and a limit cylinder used in conjunction with the suspension rod is vertically installed on the fixed plate, and the limit cylinder is sleeved on the rope, and a second fixed plate is horizontally installed on the side wall of the suspension rod close to the fan head, and a plurality of limit columns are vertically installed in a circular array on the upper end of the second fixed plate, and a first fixed plate is horizontally installed on the lower end of the side wall of the limit cylinder, and a limit through hole used in conjunction with the limit column is opened on the first fixed plate, and a conical guide cover for guiding the limit column to be inserted into the limit through hole is installed on the first fixed plate at the lower end of the limit through hole.

[0010] As a further solution of the present invention: a second support plate for supporting the first fixed plate is installed at the upper end of the first fixed plate, and the upper end of the second support plate is installed at the lower end of the fixed plate.

[0011] As a further solution of the present invention: the folding mechanism includes a rotating block corresponding to the fixed frame one by one, a rotating rod is installed at one end of the rotating block, and the rotating rod is rotatably connected to the side wall of the fixed frame, the end of the rotating block away from the fan head is installed at the root of the fan blade, and a baffle that only allows the fan blade to swing upward to a horizontal state is installed on the side of the upper end of the fixed frame away from the fan head. When the fan blade swings to the horizontal state, the upper end of the rotating block is close to the lower end of the baffle, one end of the rotating rod passes through the side wall of the fixed frame and is installed with a gear, and the fixed frame is provided with a driving component that cooperates with the first fixed disk to drive the gear to rotate.

[0012] As a further solution of the present invention: the rotating block and the fan blades are detachably connected together by bolts.

[0013] As a further solution of the present invention: the driving assembly includes a limit block corresponding to the fixed frame one by one, the limit block is vertically installed on the side wall of the fixed frame, the limit frame is slidably sleeved on the side wall of the limit block, and a rack used in conjunction with the gear is vertically installed at one end of the limit frame away from the limit block, the rack and the gear are meshed with each other, and when the fan blades swing to a vertical state, the gear meshes with the teeth at the lower end of the rack, and when the upper end of the limit frame contacts the lower end of the first fixed plate, the fan head will continue to drive the fixed frame, rotating block, rotating rod, and gear to move upward, so that the gear rolls along the rack, and finally the fan blades are swung to a horizontal state, and a roller is installed at the upper end of the limit frame to facilitate the rotation of the limit frame.

[0014] As a further solution of the present invention: a ball bearing is installed on the side wall of the limit block to facilitate the movement of the limit frame, and the ball bearing is in close contact with the inner wall of the limit frame.

[0015] As a further solution of the present invention: a rubber pad for buffering the suspension rod is installed on the inner wall of the limiting cylinder.

[0016] As a further solution of the present invention: the first support plate and the mounting plate are fixedly connected together by welding.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention retracts and releases the rope through a winding roller, and the rope drives the suspension rod, the fan head and the fan blades to move up and down, which is convenient for workers to maintain, repair and clean the fan, avoids the need for workers to perform high-altitude operations, and is convenient for users to use.

[0019] The present invention can fold the fan blades into a vertical state when the boom, fan head and fan blades are lowered, thereby preventing the fan blades from touching other equipment in the factory due to their excessive length. When the boom, fan head and fan blades are raised, the first fixed plate is used to block the limit frame, so that the gear rolls along the rack, thereby swinging the fan blades to a horizontal state, thereby ensuring the normal use of the fan blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the fan head and the fan blades after they are raised in the present invention.

[0021] Figure 2 It is a schematic diagram of the structure of the fan head and the fan blades after they are lowered in the present invention.

[0022] Figure 3 It is a schematic structural diagram of the second fixed disk in the present invention.

[0023] Figure 4 It is a schematic structural diagram of the conical guide cover in the present invention.

[0024] Figure 5 It is a structural schematic diagram of the folding mechanism in the present invention.

[0025] Figure 6 It is a schematic diagram of the structure of the limit block in the present invention.

[0026] Among them: 1. Mounting plate; 2. First support plate; 3. Rotating shaft; 4. Limiting cylinder; 5. First fixed disk; 6. Fan head; 7. Second fixed disk; 8. Fixed frame; 9. Fan blades; 10. Motor; 11. Winding roller; 12. Fixed plate; 13. Rope; 14. Hanging rod; 15. Limiting column; 16. Rotating block; 17. Limiting perforation; 18. Second support plate; 19. Conical guide cover; 20. Rack; 21. Limiting block; 22. Limiting frame; 23. Roller; 24. Rotating rod; 25. Gear; 26. Baffle. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 6 In an embodiment of the present invention, a fan that can be raised and lowered and adjusted includes a mounting plate 1, wherein the mounting plate 1 is mounted on the top of a factory building, a suspension rod 14 is vertically arranged below the mounting plate 1, and a fan head 6 is rotatably connected to the lower end of the suspension rod 14, wherein the fan head 6 adopts the existing technology, and the connection between the fan head 6 and the suspension rod 14 is the existing technology, and no specific description is given with reference to the existing ceiling fan structure, and a plurality of fixing frames 8 are installed in a circular array on the side wall of the fan head 6, and a fan blade 9 is arranged at one end of the fixing frame 8 away from the fan head 6, and a lifting mechanism for lifting and moving the suspension rod 14 and the fan head 6 is arranged at the lower end of the mounting plate 1, and a folding mechanism for folding the fan blade 9 when the suspension rod 14 and the fan head 6 are lifted or lowered is arranged on the fixing frame 8.

[0029] The lifting mechanism includes two first support plates 2 parallel to each other, the first support plates 2 are vertically mounted at the lower end of the mounting plate 1, a rotating shaft 3 is horizontally arranged between the two first support plates 2, both ends of the rotating shaft 3 are rotatably connected to the two first support plates 2, one end of the rotating shaft 3 passes through the first support plate 2 and is equipped with a motor 10 for driving the rotating shaft 3 to rotate, the motor 10 is installed on the side wall of the first support plate 2, a winding roller 11 is installed on the side wall of the rotating shaft 3 between the two first support plates 2, a rope 13 is installed on the side wall of the winding roller 11, the rope 13 is wound around the side wall of the winding roller 11, the end of the rope 13 away from the winding roller 11 is installed at the upper end of the suspension rod 14, and a limiting component for limiting and fixing the suspension rod 14 is provided at the lower end of the first support plate 2.

[0030] The limiting assembly includes a fixing plate 12, which is horizontally mounted at the lower end of the first supporting plate 2, a limiting cylinder 4 used in conjunction with a suspension rod 14 is vertically mounted on the fixing plate 12, the limiting cylinder 4 is sleeved on the rope 13, a second fixing plate 7 is horizontally mounted on the side wall of the suspension rod 14 close to the fan head 6, a plurality of limiting columns 15 are vertically mounted in a circular array on the upper end of the second fixing plate 7, a first fixing plate 5 is horizontally mounted on the lower end of the side wall of the limiting cylinder 4, a limiting through hole 17 used in conjunction with the limiting column 15 is opened on the first fixing plate 5, a conical guide cover 19 for guiding the limiting column 15 to be inserted into the limiting through hole 17 is mounted on the first fixing plate 5 at the lower end of the limiting through hole 17, a second supporting plate 18 for supporting the first fixing plate 5 is mounted on the upper end of the first fixing plate 5, and the upper end of the second supporting plate 18 is mounted on the lower end of the fixing plate 12.

[0031] When lifting the boom 14 and the fan head 6, start the motor 10, the output end of the motor 10 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the winding roller 11 to rotate, the winding roller 11 winds up the rope 13, the rope 13 lifts the boom 14, the fan head 6 and the fan blades 9, and inserts the boom 14 into the limiting tube 4, and at the same time, the boom 14 drives the second fixed plate 7 to move upward, and the second fixed plate 7 drives the limiting column 15 to move upward, and under the guidance of the conical guide cover 19, the limiting column 15 is inserted into the limiting perforation 17 to fix the boom 14.

[0032] The folding mechanism includes a rotating block 16 corresponding to the fixed frame 8 one by one, one end of the rotating block 16 is installed with a rotating rod 24, and the rotating rod 24 is rotatably connected to the side wall of the fixed frame 8, the end of the rotating block 16 away from the fan head 6 is installed at the root of the fan blade 9, and the side of the upper end of the fixed frame 8 away from the fan head 6 is installed with a baffle 26 that only allows the fan blade 9 to swing upward to a horizontal state. When the fan blade 9 swings to a horizontal state, the upper end of the rotating block 16 is close to the lower end of the baffle 26, one end of the rotating rod 24 passes through the side wall of the fixed frame 8 and is installed with a gear 25, and the fixed frame 8 is provided with a driving component that cooperates with the first fixed disk 5 to drive the gear 25 to rotate.

[0033] The driving assembly includes a limit block 21 corresponding to the fixed frame 8 one by one, and the limit block 21 is vertically installed on the side wall of the fixed frame 8. The limit frame 22 is slidably sleeved on the side wall of the limit block 21. A rack 20 used in conjunction with a gear 25 is vertically installed at one end of the limit frame 22 away from the limit block 21. The rack 20 and the gear 25 are meshed with each other. When the fan blade 9 swings to a vertical state, the gear 25 meshes with the teeth at the lower end of the rack 20. When the upper end of the limit frame 22 is in contact with the lower end of the first fixed disk 5, the fan head 6 will continue to drive the fixed frame 8, the rotating block 16, the rotating rod 24, and the gear 25 to move upward, so that the gear 25 rolls along the rack 20, and finally the fan blade 9 is swung to a horizontal state. A roller 23 is installed at the upper end of the limit frame 22 to facilitate the rotation of the limit frame 22.

[0034] During the process of the suspension rod 14 and the fan head 6 moving upward, the fan head 6 drives the fixed frame 8 to move, and the fixed frame 8 drives the rotating block 16, the fan blades 9, the rotating rod 24, the gear 25, the rack 20, and the limit frame 22 to move upward. After the lower end of the first fixed disk 5 contacts the upper end of the limit frame 22, the fan head 6 will continue to drive the fixed frame 8, the rotating block 16, the rotating rod 24, and the gear 25 to move upward, so that the gear 25 rolls along the rack 20, the gear 25 drives the rotating rod 24 to rotate, the rotating rod 24 drives the rotating block 16 to swing, and the rotating block 16 drives the fan blades 9 to swing, and finally the fan blades 9 are swung to a horizontal state.

[0035] The working principle of a fan that can be raised and lowered:

[0036] When lifting the boom 14 and the fan head 6, start the motor 10, the output end of the motor 10 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the winding roller 11 to rotate, the winding roller 11 winds up the rope 13, the rope 13 lifts the boom 14, the fan head 6 and the fan blades 9, and inserts the boom 14 into the limiting tube 4, and at the same time, the boom 14 drives the second fixed plate 7 to move upward, and the second fixed plate 7 drives the limiting column 15 to move upward, and under the guidance of the conical guide cover 19, the limiting column 15 is inserted into the limiting perforation 17 to fix the boom 14.

[0037] During the process of the suspension rod 14 and the fan head 6 moving upward, the fan head 6 drives the fixed frame 8 to move, and the fixed frame 8 drives the rotating block 16, the fan blades 9, the rotating rod 24, the gear 25, the rack 20, and the limit frame 22 to move upward. After the lower end of the first fixed disk 5 contacts the upper end of the limit frame 22, the fan head 6 will continue to drive the fixed frame 8, the rotating block 16, the rotating rod 24, and the gear 25 to move upward, so that the gear 25 rolls along the rack 20, the gear 25 drives the rotating rod 24 to rotate, the rotating rod 24 drives the rotating block 16 to swing, and the rotating block 16 drives the fan blades 9 to swing, and finally the fan blades 9 are swung to a horizontal state.

[0038] When the suspension rod 14 and the fan head 6 are lowered, the motor 10 is started to rotate in reverse, and the actions of the various components are opposite, so that the suspension rod 14, the fan head 6 and the fan blades 9 are lowered.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A fan that can be raised and lowered, comprising a mounting plate (1), the mounting plate (1) being mounted on the top of a factory building, a suspension rod (14) being vertically arranged below the mounting plate (1), the lower end of the suspension rod (14) being rotatably connected to a fan head (6), characterized in that: A plurality of fixing frames (8) are mounted in a circular array on the side wall of the fan head (6); a fan blade (9) is arranged at one end of the fixing frame (8) away from the fan head (6); a lifting mechanism for lifting and moving the suspension rod (14) and the fan head (6) is arranged at the lower end of the mounting plate (1); and a folding mechanism for folding the fan blade (9) when the suspension rod (14) and the fan head (6) are lifted or lowered is arranged on the fixing frame (8).

2. The fan capable of being raised and lowered according to claim 1, characterized in that: The lifting mechanism comprises two first support plates (2) parallel to each other, the first support plates (2) being vertically mounted on the lower end of the mounting plate (1), a rotating shaft (3) being horizontally arranged between the two first support plates (2), both ends of the rotating shaft (3) being rotatably connected to the two first support plates (2), one end of the rotating shaft (3) passing through the first support plate (2) being mounted with a motor (10) for driving the rotating shaft (3) to rotate, the motor (10) being mounted on the side wall of the first support plate (2), a winding roller (11) being mounted on the side wall of the rotating shaft (3) between the two first support plates (2), a rope (13) being mounted on the side wall of the winding roller (11), the rope (13) being wound around the side wall of the winding roller (11), the end of the rope (13) away from the winding roller (11) being mounted on the upper end of a suspension rod (14), and a limiting component for limiting and fixing the suspension rod (14) being arranged at the lower end of the first support plate (2).

3. The fan capable of being raised and lowered according to claim 2, characterized in that: The limiting assembly comprises a fixing plate (12), wherein the fixing plate (12) is horizontally mounted on the lower end of the first supporting plate (2), a limiting cylinder (4) used in conjunction with a suspension rod (14) is vertically mounted on the fixing plate (12), the limiting cylinder (4) is sleeved on a rope (13), a second fixing plate (7) is horizontally mounted on the side wall of the suspension rod (14) close to the fan head (6), a plurality of limiting columns (15) are vertically mounted in a circular array on the upper end of the second fixing plate (7), a first fixing plate (5) is horizontally mounted on the lower end of the side wall of the limiting cylinder (4), a limiting through hole (17) used in conjunction with the limiting column (15) is opened on the first fixing plate (5), and a conical guide cover (19) for guiding the limiting column (15) to be inserted into the limiting through hole (17) is mounted on the first fixing plate (5) at the lower end of the limiting through hole (17).

4. The fan capable of being raised and lowered according to claim 3, characterized in that: A second support plate (18) for supporting the first fixed plate (5) is mounted on the upper end of the first fixed plate (5); the upper end of the second support plate (18) is mounted on the lower end of the fixed plate (12).

5. The fan capable of being raised and lowered according to claim 3, characterized in that: The folding mechanism comprises a rotating block (16) corresponding to the fixed frame (8) in a one-to-one manner, one end of the rotating block (16) is mounted with a rotating rod (24), the rotating rod (24) is rotatably connected to the side wall of the fixed frame (8), the end of the rotating block (16) away from the fan head (6) is mounted at the root of the fan blade (9), the upper end of the fixed frame (8) away from the fan head (6) is mounted with a baffle (26) which only allows the fan blade (9) to swing upward to a horizontal state, when the fan blade (9) swings to a horizontal state, the upper end of the rotating block (16) is in close contact with the lower end of the baffle (26), one end of the rotating rod (24) passes through the side wall of the fixed frame (8) and is mounted with a gear (25), and the fixed frame (8) is provided with a driving component which cooperates with the first fixed disk (5) to drive the gear (25) to rotate.

6. The fan capable of being raised and lowered according to claim 5, characterized in that: The rotating block (16) and the fan blade (9) are detachably connected together via bolts.

7. The fan capable of being raised and lowered according to claim 5, characterized in that: The driving assembly comprises a limit block (21) corresponding to the fixed frame (8) in a one-to-one manner, the limit block (21) being vertically mounted on the side wall of the fixed frame (8), a limit frame (22) being slidably sleeved on the side wall of the limit block (21), a rack (20) for use with a gear (25) being vertically mounted on one end of the limit frame (22) away from the limit block (21), the rack (20) and the gear (25) being meshed with each other, and when the fan blade (9) swings to a vertical state, The gear (25) meshes with the teeth at the lower end of the rack (20). When the upper end of the limit frame (22) contacts the lower end of the first fixed plate (5), the fan head (6) will continue to drive the fixed frame (8), the rotating block (16), the rotating rod (24), and the gear (25) to move upward, so that the gear (25) rolls along the rack (20), and finally the fan blade (9) is swung to a horizontal state. The upper end of the limit frame (22) is provided with a roller (23) for facilitating the rotation of the limit frame (22).

8. The fan capable of being raised and lowered according to claim 7, characterized in that: A ball bearing is installed on the side wall of the limiting block (21) to facilitate the movement of the limiting frame (22), and the ball bearing is in close contact with the inner wall of the limiting frame (22).

9. The fan capable of being raised and lowered according to claim 3, characterized in that: A rubber pad for buffering the suspension rod (14) is installed on the inner wall of the limiting cylinder (4).

10. The fan capable of being raised and lowered according to claim 1, characterized in that: The first support plate (2) and the mounting plate (1) are fixedly connected together by welding.

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