Fixing frame of fan motor

By employing a combination of clamping brackets and fasteners in the wind turbine motor mounting bracket, the problem of relative movement between the connecting rod and the bracket is solved, thereby improving the stability of the motor and extending the service life of the wind turbine.

CN223964629UActive Publication Date: 2026-03-03TAIZHOU XIAFENG MECHANICAL & ELECTRICAL CO LTD
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Patent Information

Application Number
CN202520739960.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-03
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

The existing fan motor mounting bracket has a relative movement between the connecting rod and the support when vibrating, which causes the motor to shake, reducing the stability of the motor and the service life of the fan.

Method used

Two clamping brackets are used. The inner side of the clamping bracket has a sliding groove and the outer end has a fixing hole. The connecting rod is locked by fasteners. There is a gap between the clamping bracket and the connecting rod to increase the locking force of the fasteners. The strength of the clamping bracket is improved by reinforcing rings and reinforcing ribs to ensure the stability of the motor.

Benefits of technology

This improves the motor's installation stability and extends the fan's service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223964629U_ABST
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Abstract

The utility model provides a fixing frame of a fan motor, and belongs to the technical field of fans. The motor fixing frame solves the problem that a motor shakes after being locked by an existing fixing frame. The fixing frame of the fan motor comprises two cross-shaped or Y-shaped clamping supports, cross-shaped or Y-shaped sliding grooves are formed in the inner sides of the clamping supports, fixing holes allowing fasteners to penetrate through are formed in the end portions of the outer ends of the clamping supports, and long-strip-shaped positioning holes are formed in the centers of the clamping supports. The fixing frame of the fan motor has the advantages that the stability of the motor is improved, and the service life of the fan is prolonged.
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Description

Technical Field

[0001] This utility model belongs to the field of wind turbine technology and relates to a mounting bracket for a wind turbine motor. Background Technology

[0002] An industrial fan is a large fan specifically designed for industrial environments. It is primarily used in factories, warehouses, workshops, and other similar locations to provide air circulation and cooling, improving ventilation and temperature in the working environment to enhance air quality and employee comfort. An industrial fan consists of a motor and a mounting base; the motor is fixed to the mounting base via four connecting rods.

[0003] Existing motor mounting methods, such as the industrial fan motor bracket disclosed in Chinese patent literature [Application No.: 202422512977.3; Authorization Announcement No.: CN222026046U], include bracket one and bracket two, which are installed together to form a fork-shaped bracket body. Each bracket includes: mounting holes at both ends for bolt fixing to the industrial fan housing; a mounting groove in the middle; snap-fit ​​plates on both sides of the mounting groove; snap-fit ​​grooves between the snap-fit ​​plates and the bracket; a mating groove one extending through the mounting groove of bracket one; and a mating groove two extending through the mounting groove of bracket two. The mating grooves one and two are perpendicular to each other.

[0004] In this type of bracket installation, the bracket is first installed on the motor, then the inner ends of the four connecting rods are sequentially inserted into the slots at the outer end of the bracket, and finally the outer ends of the four connecting rods are fixed to the mounting base to complete the motor installation. However, in this type of bracket, the diameter of the slot at the outer end of the bracket is fixed, but the outer diameter of the inner end of the connecting rod is smaller than the diameter of the slot at the outer end of the bracket. This results in a gap between the inner end of the connecting rod and the bracket. When the fan is working, the rotation of the blades generates huge vibrations, which causes relative movement between the connecting rod and the bracket. This causes the motor to shake, reduces the stability of the motor, and thus reduces the service life of the fan. Utility Model Content

[0005] The purpose of this utility model is to address the aforementioned problems in the existing technology by proposing a mounting bracket for a fan motor, thereby solving the technical problem of how to improve the stability of the motor and extend the service life of the fan.

[0006] The purpose of this utility model can be achieved through the following technical solution: a fixing bracket for a fan motor, characterized in that the fixing bracket includes two clamping brackets, both of which are cross-shaped or Y-shaped, the inner side of the clamping bracket has a cross-shaped or Y-shaped sliding groove, the outer end of the clamping bracket has a fixing hole for fasteners to pass through, and the center of the clamping bracket has a long strip-shaped positioning hole.

[0007] During installation, the motor shaft passes through the positioning holes of the two clamping brackets. The inner end of the connecting rod is inserted into the grooves on the outer ends of the two clamping brackets. Fasteners, such as bolts, are then passed through the fixing holes and the connecting rod and tightened, clamping the connecting rod between the two clamping brackets. Because the sum of the depths of the two grooves is less than the thickness of the connecting rod (e.g., the sum of the depths of the two grooves is 38mm, and the thickness of the connecting rod is 40mm), there is a gap between the two clamping brackets after they clamp the connecting rod. This allows for better tightening of the fasteners, improving the firmness of the connection between the clamping brackets and the connecting rod, thus increasing the stability of the motor installation and extending the service life of the fan. The positioning holes are elongated, circumferentially positioning the clamping brackets and the motor shaft. Finally, nuts are fitted onto the motor shaft and tightened, axially positioning the clamping brackets and the motor shaft.

[0008] In the aforementioned fan motor mounting bracket, the edge of the clamping bracket is bent inward to form the sliding groove, and the slot at the outer end of the sliding groove is through-hole. The clamping bracket is an integral structure with high sturdiness. The slot at the outer end of the sliding groove is through-hole, meaning that the edge of the outer end of the clamping bracket is not bent, allowing the connecting rod to be inserted into the sliding groove.

[0009] In the aforementioned fan motor mounting bracket, the corners of the clamping bracket are rounded to form an arc transition. This structure makes the corners of the clamping bracket wider, increasing the strength of the clamping bracket, improving the firmness of the motor installation, thereby enhancing the stability of the motor and extending the service life of the fan.

[0010] In the aforementioned fan motor mounting bracket, the clamping bracket has an annular reinforcing ring at its center, and the positioning hole is located within the reinforcing ring. The reinforcing ring prevents deformation at the center of the clamping bracket, increasing its strength and the secure mounting of the motor, thereby improving the motor's stability and extending the fan's service life.

[0011] In the aforementioned fan motor mounting bracket, the clamping support has several elongated, spaced reinforcing ribs located between the positioning holes and the fixing holes. The inner ends of all the reinforcing ribs are connected to the reinforcing rings. The cooperation of the reinforcing ribs and reinforcing rings enhances the strength of the clamping support, improves the secure mounting of the motor, thereby increasing the stability of the motor and extending the service life of the fan.

[0012] In the aforementioned fan motor mounting bracket, both the reinforcing ring and the reinforcing rib protrude outwards from the clamping bracket.

[0013] In the aforementioned mounting bracket for a wind turbine motor, the clamping support is made of metal, and the sliding groove, the reinforcing ring, and the reinforcing rib are all integrally formed by stamping. The clamping support is easy to manufacture, and the sliding groove, reinforcing ring, and reinforcing rib are easy to form.

[0014] In another case, in the aforementioned fan motor mounting bracket, the clamping bracket is made of fiberglass or plastic.

[0015] In the aforementioned mounting bracket for a wind turbine motor, the bracket further includes several connecting rods. Each connecting rod has an elongated adjusting hole. The inner end of the connecting rod can be inserted into the slots at the outer ends of the two sliding grooves. By fastening fasteners passing through the fixing holes and adjusting holes and locking them in place, the connecting rod can be clamped and fixed by the two clamping brackets. The adjusting holes allow for adjustment of the relative position of the clamping brackets and the connecting rods, enabling better fixation of the outer ends of the connecting rods to the mounting base.

[0016] In the aforementioned fan motor mounting bracket, the connecting rod has a square cross-section. The sliding groove also has a square cross-section to prevent relative rotation between the connecting rod and the clamping bracket, thus improving stability.

[0017] Compared with the prior art, the fan motor mounting bracket provided by this utility model has the following advantages:

[0018] 1. This mounting bracket includes two clamping brackets, which clamp and lock the connecting rod. There is a gap between the two clamping brackets, which allows the fasteners to be locked better, improves the firmness of the connection between the clamping brackets and the connecting rod, improves the firmness of the motor installation, thereby improving the stability of the motor and extending the service life of the fan.

[0019] 2. This clamping bracket is integrally formed by stamping, which is convenient to process, and the sliding groove, reinforcing ring and reinforcing rib are easy to form. Attached Figure Description

[0020] Figure 1 This is an exploded view of the fixture.

[0021] Figure 2 This is a diagram showing the usage status of this mounting bracket.

[0022] In the diagram, 1 is the clamping bracket; 2 is the sliding groove; 3 is the fixing hole; 4 is the positioning hole; 5 is the reinforcing ring; 6 is the reinforcing rib; 7 is the connecting rod; and 8 is the adjusting hole. Detailed Implementation

[0023] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0024] like Figure 1 , Figure 2 As shown, the mounting bracket for this fan motor includes a clamping bracket 1 and a connecting rod 7.

[0025] In this embodiment, the clamping bracket 1 is cross-shaped, and the inner side of the clamping bracket 1 has a cross-shaped groove 2. The number of connecting rods 7 is four. In actual production, the clamping bracket 1 can be Y-shaped, and the inner side of the clamping bracket 1 has a Y-shaped groove 2. The number of connecting rods 7 is three.

[0026] In this embodiment, the clamping bracket 1 is made of metal material and is integrally formed by stamping. The sliding groove 2, the reinforcing ring 5 and the reinforcing rib 6 are all integrally formed by stamping. In actual production, the clamping bracket can be made of fiberglass or plastic material.

[0027] Specifically, during stamping, the edge of the clamping bracket 1 is bent inward to form a groove 2. The groove opening at the outer end of the groove 2 is through-hole. The corners of the clamping bracket 1 are rounded to form an arc transition. The outer end of the clamping bracket 1 has a fixing hole 3 for fasteners such as bolts to pass through. The center of the clamping bracket 1 has a long strip-shaped positioning hole 4. The center of the clamping bracket 1 has an annular reinforcing ring 5. The positioning hole 4 is located in the reinforcing ring 5. The clamping bracket 1 has four long strip-shaped reinforcing ribs 6 arranged at intervals. The reinforcing ribs 6 are located between the positioning hole 4 and the fixing hole 3. The inner ends of all the reinforcing ribs 6 are connected to the reinforcing ring 5. Both the reinforcing ring 5 and the reinforcing ribs 6 protrude outward from the clamping bracket 1.

[0028] The connecting rod 7 has an elongated adjustment hole 8. The cross-section of the connecting rod 7 is square. The inner end of the connecting rod 7 can be inserted into the grooves at the outer ends of the two sliding grooves 2. The cross-section of the sliding grooves 2 is square.

[0029] During installation, the motor shaft passes through the positioning holes 4 of the two clamping brackets 1, and the inner end of the connecting rod 7 is inserted between the sliding grooves 2 of the outer ends of the two clamping brackets 1. Then, fasteners such as bolts are passed through the fixing holes 3 and the adjusting holes 8 and locked, so that the two clamping brackets 1 clamp and fix the connecting rod 7, so that the two clamping brackets 1 and the four connecting rods 7 form a fixed frame. Then, the outer end of the connecting rod 7 is fixed to the mounting base, and the two clamping brackets 1 are axially locked to the motor shaft.

[0030] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0031] Although this document frequently uses terms such as clamping bracket 1, sliding groove 2, fixing hole 3, positioning hole 4, reinforcing ring 5, reinforcing rib 6, connecting rod 7, and adjusting hole 8, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A mounting bracket for a fan motor, characterized in that, The fixing frame includes two clamping brackets (1) that are both cross-shaped or Y-shaped. The inner side of the clamping bracket (1) has a cross-shaped or Y-shaped sliding groove (2). The outer end of the clamping bracket (1) has a fixing hole (3) for fasteners to pass through. The center of the clamping bracket (1) has a long positioning hole (4).

2. The mounting bracket for a fan motor according to claim 1, characterized in that, The edge of the clamping bracket (1) is bent inward to form the slide groove (2), and the groove opening at the outer end of the slide groove (2) is through.

3. The mounting bracket for a fan motor according to claim 1, characterized in that, The corners of the clamping bracket (1) are rounded to form an arc transition.

4. A mounting bracket for a fan motor according to claim 1, 2, or 3, characterized in that, The clamping bracket (1) has an annular reinforcing ring (5) at its center, and the positioning hole (4) is located in the reinforcing ring (5).

5. A mounting bracket for a fan motor according to claim 4, characterized in that, The clamping bracket (1) has several long strip-shaped reinforcing ribs (6) spaced apart. The reinforcing ribs (6) are located between the positioning hole (4) and the fixing hole (3). The inner ends of all the reinforcing ribs (6) are connected to the reinforcing ring (5).

6. The mounting bracket for a fan motor according to claim 5, characterized in that, Both the reinforcing ring (5) and the reinforcing rib (6) protrude outwards from the clamping bracket (1).

7. A mounting bracket for a fan motor according to claim 5, characterized in that, The clamping bracket (1) is made of metal material, and the sliding groove (2), the reinforcing ring (5) and the reinforcing rib (6) are all integrally formed by stamping.

8. A mounting bracket for a fan motor according to claim 5, characterized in that, The clamping bracket (1) is made of fiberglass or plastic.

9. A mounting bracket for a fan motor according to claim 1, 2, or 3, characterized in that, The fixing frame also includes several connecting rods (7), each connecting rod (7) having an elongated adjustment hole (8). The inner end of the connecting rod (7) can be inserted into the slots at the outer ends of the two sliding grooves (2). The connecting rod (7) can be clamped and fixed by the two clamping brackets (1) by fasteners passing through the fixing hole (3) and the adjustment hole (8) and locking them.

10. A mounting bracket for a fan motor according to claim 9, characterized in that, The cross-section of the connecting rod (7) is square.

Citation Information

Patent Citations

  • Industrial fan motor support

    CN222026046U