Fan blade mounting and reinforcing structure

Abstract

The utility model discloses a fan blade installation reinforcing structure, and relates to the technical field of industrial fans. The driving motor installed on the fan comprises a fan blade fixing and clamping piece and an inner connection safety ring. The fan blade fixing and clamping piece adopts a U-shaped clamping structure to clamp and clamp fan blades, and is locked and connected with the split I-shaped arc-shaped connecting piece through a bolt assembly; the split type I-shaped arc-shaped connecting pieces are connected end to end to form a closed locking ring. The inner connecting safety ring is in a flange shape with the hollow middle, the number and distribution of the mounting flange holes are consistent with those of the fan blades, the mounting flange holes are evenly distributed, a driving motor spindle can penetrate through the middle hollow area, the mounting flange holes are kidney-shaped holes, mounting is convenient, the fan blades which are mutually independent and evenly distributed are all fixedly connected together, the rigidity of the whole mounting structure is improved, and the service life of the fan is prolonged. And the safety and the reliability of the fan are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial fans, and particularly relates to a fan blade installation reinforcement structure. Background Art

[0002] Industrial fans can most efficiently promote the movement of large amounts of air, generate large amounts of air volume, and form a moving, circulating airflow field in the space, which can effectively regulate the air circulation problem in industrial production workshops. The area blown by industrial fans is directly related to the diameter of the fan; large industrial fans cover a large area, are easy to clean, and solve the problems of high noise and high energy consumption.

[0003] The installation method and reliability of the fan blades directly affect the safety of the user and are also a direct reflection of the technical capabilities of the design manufacturer. Therefore, when designing the safe installation and fixation of the fan blades, the reliability of the fan blade installation should be fully considered. Therefore, a fan blade installation reinforcement structure of the technical solution is proposed. Utility Model Content

[0004] The utility model provides a fan blade installation reinforcement structure, which is connected to a safety ring and a drive motor through a fan blade fixing clamp, and is connected to the fan blade clamp on the outside, and is connected end to end through a split I-shaped arc connecting piece to form a closed locking ring; the middle of the internal connection safety ring is hollow flange-shaped, and connecting arms are arranged around the outer circumference of the internal connection safety ring, which are the same in number and corresponding in position as the fan blade fixing clamp, and the main shaft of the drive motor passes through the middle hollow area; the split I-shaped arc connecting piece is in the shape of an arc fan, and the two installation fixing ends are bent according to the actual installation fitting surface, one end is a circular hole, and the other end is a circular waist hole for easy installation; all the independent and evenly distributed fan blades are fixedly connected together, which improves the rigidity of the overall installation structure and also improves the safety and reliability of the fan; in summary, the problems in the background technology are solved.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a blade installation reinforcement structure, which is installed on a driving motor of a fan and is characterized in that it comprises a plurality of blade fixing clamps which are fixedly installed on the driving motor by bolts in a surrounding manner, and an internal connecting safety ring which is coaxially arranged with the driving motor and fixedly connected to each blade fixing clamp by bolts; the blade fixing clamps adopt a U-shaped clamping structure to clamp the blades, and are locked and connected to a split-type I-shaped arc connecting piece by a bolt assembly; each of the split-type I-shaped arc connecting pieces is connected end to end to form a closed locking circle.

[0007] Furthermore, the fan blade fixing clamp includes a main connecting handle with the drive motor and a U-shaped clamping structure. The main connecting handle is provided with a first bolt hole for bolts to pass through and be locked and connected to the drive motor and the internal connecting safety ring respectively. The U-shaped clamping structure is provided with a second bolt hole for the bolt assembly to pass through and be clamped and locked with the fan blade.

[0008] Furthermore, the inner connecting safety ring includes an inner connecting ring body, a first connecting arm arranged around it, the number of which is the same as that of the fan blade fixing clamps and the position of which is corresponding, and the first connecting arm is provided with a first connecting hole corresponding to the first bolt hole.

[0009] Furthermore, the split I-shaped arc connector includes an arc connector body, a second connecting arm and a third connecting arm which are arranged at an inclined angle at both ends of the arc connector body and are fitted with the surface of the main connecting handle; two adjacent second connecting arms and third connecting arms are fitted up and down, and the surfaces of the second connecting arm and the third connecting arm are respectively provided with a second connecting hole and a waist hole which are locked and fixed with a bolt assembly.

[0010] Furthermore, the middle of the inner connecting safety ring is a hollow area for the main shaft of the driving motor to pass through.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) Easy to install: The internal connection safety ring and the drive motor are bolted together through the mounting holes on the fan blade clamping assembly that are fastened to the drive motor; the internal connection safety ring is a hollow flange type, the number and distribution of the mounting flange holes are consistent with the fan blades and are evenly distributed, the hollow area in the middle can pass through the main shaft of the drive motor, and the mounting flange holes are waist-shaped holes, which are easy to install;

[0013] (2) Good structural safety and high rigidity: Each fan blade clamping assembly is connected end to end through a mounting hole for clamping the fan blade, using a split I-shaped arc connector, which is evenly distributed around the circle and is consistent with the number of fan blades to form a closed "locking circle"; the split I-shaped arc connector is in the shape of an arc fan, and the two mounting and fixing ends are bent according to the actual mounting fitting surface, one end is a round hole, and the other end is a circular waist hole, which is easy to install; the independent and evenly distributed fan blades are all fixedly connected together, which improves the rigidity of the overall mounting structure and also improves the safety and reliability of the fan.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the structure of a fan blade installation reinforcement structure of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged view of position A in the middle;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of a center split I-shaped arc connector;

[0019] Figure 4 for Figure 3 The main view of the structure;

[0020] Figure 5 for Figure 1 A schematic diagram of the structure of the middle fan blade fixing clamp;

[0021] Figure 6 for Figure 1 Structural diagram of the middle and inner connection safety ring;

[0022] Figure 7 for Figure 6 The main view of the structure;

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1-blade, 2-split I-shaped arc connector, 21-arc connector body, 22-second connecting arm, 23-third connecting arm, 24-second connecting hole, 25-waist hole, 3-inner connecting safety ring, 31-inner connecting ring body, 32-first connecting arm, 33-first connecting hole, 4-blade fixing clamp, 41-main connecting handle, 42-U-shaped clamping structure, 43-first bolt hole, 44-second bolt hole, 5-bolt assembly, 6-drive motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that terms such as "coaxial", "side", "inclination angle", "surface" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limitations on the present invention.

[0027] See also Figure 1-7 As shown, a blade installation reinforcement structure of the utility model is installed on the driving motor 6 of the fan, including a plurality of blade fixing clamps 4 fixedly installed on the driving motor 6 by bolts, and an internal connecting safety ring 3 which is coaxially arranged with the driving motor 6 and fixedly connected to each blade fixing clamp 4 by bolts; the blade fixing clamp 4 adopts a U-shaped clamping structure 42 to clamp the blade 1, and is locked and connected with the split I-shaped arc connecting member 2 by a bolt assembly 5; each split I-shaped arc connecting member 2 is connected end to end to form a closed locking circle.

[0028] Among them, the fan blade fixing clamp 4 includes a main connecting handle 41 connected to the driving motor 6 and a U-shaped clamping structure 42. The main connecting handle 41 is provided with a first bolt hole 43 for bolts to pass through and be locked and connected to the driving motor 6 and the internal connecting safety ring 3 respectively. The U-shaped clamping structure 42 is provided with a second bolt hole 44 for the bolt assembly 5 to pass through and be clamped and locked with the fan blade 1.

[0029] The inner connecting safety ring 3 includes an inner connecting ring body 31 , a first connecting arm 32 which is arranged around the inner connecting ring body 31 and has the same number and corresponding position as the blade fixing clamp 4 , and a first connecting hole 33 corresponding to the first bolt hole 43 is arranged on the first connecting arm 32 .

[0030] Among them, the split I-shaped arc connector 2 includes an arc connector body 21, a second connecting arm 22 and a third connecting arm 23 which are arranged at an inclined angle at both ends of the arc connector body 21 and are fitted with the surface of the main connecting handle 41; two adjacent second connecting arms 22 and third connecting arms 23 are fitted up and down, and the surfaces of the second connecting arms 22 and the third connecting arms 23 are respectively provided with a second connecting hole 24 and a waist hole 25 which are locked and fixed with the bolt assembly 5.

[0031] There is a hollow area in the middle of the inner connecting safety ring 3 for the main shaft of the driving motor 6 to pass through.

[0032] Specific installation method:

[0033] The fan blade fixing clamp 4 is fastened to the drive motor 6 by bolts. The fan blade 1 fixing clamp 4 has a mounting hole fastened to the drive motor 6. The drive motor 6, the internal connection safety ring 3, and the fan blade 1 fixing clamp 4 are fastened together by bolts. The mounting hole of the split I-shaped arc connecting piece 2 and the mounting hole of the fan blade clamp 4 for clamping the fan blade are connected together by bolts, evenly distributed around the circle according to the number of fan blades 1, connected end to end, to form a closed "locking circle"

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fan blade mounting reinforcement structure, mounted on a drive motor (6) of a fan, characterized in that: The invention comprises a plurality of blade fixing clamps (4) which are fixedly mounted on a driving motor (6) by bolts, and an inner connecting safety ring (3) which is coaxially arranged with the driving motor (6) and fixedly connected to each blade fixing clamp (4) by bolts; the blade fixing clamp (4) adopts a U-shaped clamping structure (42) to clamp the blade (1) and is locked and connected to a split-type I-shaped arc-shaped connecting member (2) by a bolt assembly (5); each of the split-type I-shaped arc-shaped connecting members (2) is connected end to end to form a closed locking ring.

2. A fan blade installation reinforcement structure according to claim 1, characterized in that: The fan blade fixing clamp (4) comprises a main connecting handle (41) connected to a driving motor (6) and a U-shaped clamping structure (42); the main connecting handle (41) is provided with a first bolt hole (43) for a bolt to pass through and to be respectively locked and connected to the driving motor (6) and the internal connecting safety ring (3); the U-shaped clamping structure (42) is provided with a second bolt hole (44) for a bolt assembly (5) to pass through and to be clamped and locked with the fan blade (1).

3. A fan blade installation reinforcement structure according to claim 1, characterized in that: The inner connecting safety ring (3) comprises an inner connecting ring body (31), a first connecting arm (32) arranged around the inner connecting ring body, the number of which is the same as that of the blade fixing clamp (4) and the position of which is corresponding, and the first connecting arm (32) is provided with a first connecting hole (33) corresponding to the first bolt hole (43).

4. A fan blade installation reinforcement structure according to claim 1, characterized in that: The split I-shaped arc-shaped connecting piece (2) comprises an arc-shaped connecting piece body (21), a second connecting arm (22) and a third connecting arm (23) which are arranged at two ends of the arc-shaped connecting piece body (21) at an inclined angle and are arranged to fit with the surface of the main connecting handle (41); two adjacent second connecting arms (22) and third connecting arms (23) are arranged to fit with each other up and down, and the surfaces of the second connecting arms (22) and the third connecting arms (23) are respectively provided with a second connecting hole (24) and a waist hole (25) which are locked and fixed with a bolt assembly (5).

5. A fan blade installation reinforcement structure according to claim 1, characterized in that: The middle of the inner connection safety ring (3) is a hollow area for the main shaft of the driving motor (6) to pass through.

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