Universal motor mounting seat of centrifugal fan

Abstract

According to the universal motor mounting base of the centrifugal fan, long holes are formed in the two sides of a base, through holes are formed in the two sides of adjusting beams, the two adjusting beams are arranged above the base in parallel, on each side, first bolts penetrate through the corresponding long holes of the base and the corresponding through holes of the adjusting beams, and first tightening nuts are screwed on the first bolts; each adjusting beam is provided with a long hole, the machine base is arranged above the two adjusting beams, the machine base is also provided with a through hole corresponding to the long hole of the cross beam, a second bolt penetrating through the corresponding long hole of the adjusting beam and the corresponding through hole of the machine base is arranged at the position of each through hole of the machine base, and a second elastic nut is screwed on each second bolt. At least one fine adjustment block is arranged beside the machine base, a threaded through hole is formed in the side face of the fine adjustment block, and the bolt push rod penetrates through the threaded through hole. The motor mounting base has universality and can be matched with motors of different specifications and sizes, meanwhile, the positions of the motors can be adjusted according to the operation condition of the centrifugal fan when the motors are mounted, and the motors run uniformly without position deviation.

Description

Technical Field

[0001] The utility model belongs to the field of fan equipment, and in particular relates to a universal motor mounting seat of a centrifugal fan. Background Art

[0002] Centrifugal fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas. They are driven fluid machines. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air intake of boilers and industrial furnaces, cooling and ventilation of air conditioning equipment and household appliances, drying and selection of grains, wind tunnel wind sources and inflation and propulsion of hovercraft, etc.

[0003] refer to Figure 4 At present, centrifugal fans basically use a motor on one side to drive the impeller through a belt. This design facilitates the disassembly, transportation and on-site installation of centrifugal fans. Due to the wide range of application scenarios of centrifugal fans, different application scenarios require motors of different power sizes. Before the invention of this utility model, our company needs to produce various machine bases for motors of different sizes and specifications, which greatly reduces production efficiency; and whether the operating conditions of different parts of the centrifugal fan are unified is directly related to the operating effect of the centrifugal fan. Therefore, the installation of the centrifugal fan is very important. The motor base in the past fixed the installation position of the motor and could not be adjusted according to the operating conditions of the centrifugal fan. Utility Model Content

[0004] Based on the content in the background technology, the utility model discloses a universal motor mounting base for a centrifugal fan, which includes a base, an adjustment beam, a first bolt, a first loose nut, a base, a second bolt and a second loose nut;

[0005] Long holes are opened on both sides of the base, through holes are opened on both sides of the adjusting beam, and the two adjusting beams are arranged in parallel above the base. On each side, a first bolt is passed through the corresponding long hole of the base and the corresponding through hole of the adjusting beam, and a first loose nut is screwed on the first bolt;

[0006] The adjusting beam is also provided with a long hole, and the machine base is arranged above the two adjusting beams. The machine base is also provided with a through hole at a position corresponding to the long hole of the adjusting beam. In the present application, a long hole of an adjusting beam corresponds to two through holes of the adjusting beam, and at each through hole of the machine base, a second bolt passes through the corresponding long hole of the adjusting beam and the corresponding through hole of the machine base, and a second tightening nut is screwed on the second bolt.

[0007] In this way, when the first tightening nut is loosened, the adjusting beam can be adjusted to the left and right on the base, the distance between the two adjusting beams can be adjusted, and motor bases of different sizes can be installed on the two adjusting beams to adapt to motors of different specifications. The motor base can also be adjusted to the left and right along with the adjusting beam; by loosening the second tightening nut, the base can also be adjusted to the front and rear on the adjusting beam.

[0008] Furthermore, at least one fine-tuning block is arranged next to the machine base, and the fine-tuning block is arranged above the corresponding adjusting beam. A through hole is also provided on the fine-tuning block, and a third bolt passes through the long hole of the corresponding adjusting beam and the corresponding through hole of the fine-tuning block, and a third tightening nut is screwed on the third bolt; a threaded through hole is provided on the side of the fine-tuning block, and a bolt push rod passes through the threaded through hole and cooperates with the threaded through hole in a threaded engagement manner, and the end of the bolt push rod is also fixedly connected to a push block.

[0009] Preferably, there are four fine-tuning blocks in total, one adjustment beam corresponds to two fine-tuning blocks, and the two fine-tuning blocks on each adjustment beam are arranged on both sides of the machine base.

[0010] The method of using the above-mentioned fine-tuning block is as follows: after roughly adjusting the position of the motor base, fix the fine-tuning block next to the base through the third tightening nut, and rotate the bolt push rod to slightly push the base to fine-tune the position of the base, thereby achieving fine-tuning of the motor position. After all adjustments are completed, tighten the tightening nuts, and the fine-tuning blocks and bolt push rods on both sides of the base can also make the motor base more reliably fixed.

[0011] Through the above technical solution, the utility model at least includes the following beneficial effects:

[0012] In the present application, by improving the design of the base and the adjustment beam, the adjustment beam can be adjusted to the left and right on the base, and the spacing adjustment between the two adjustment beams makes it possible to install motor bases of different sizes on the two adjustment beams to adapt to motors of different specifications, so that the motor mounting base of the centrifugal fan of the present application has universality; at the same time, the left and right position of the motor base can also be adjusted, and the base can also be adjusted to the front and rear displacement position on the adjustment beam, so that the motor can be adjusted in position according to the operating conditions of the centrifugal fan during installation, so that they can operate uniformly without position deviation.

[0013] The design of the fine-tuning block in a further scheme can push the motor base through the bolt push rod, so that the motor base can be fine-tuned in position, thereby making the motor position adjustment more precise, and after the fine-tuning block and the bolt push rod are tightened, the motor base can also be fixed more reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the overall structure of a universal motor mounting base of a centrifugal fan described in an embodiment of the present application;

[0015] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0016] Figure 3 A top view of a universal motor mounting base of a centrifugal fan described in an embodiment of the present application;

[0017] Figure 4 This is the installation structure of the existing centrifugal fan described in the background technology of this application. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the structures related to the present invention.

[0019] In the description of this application, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship are only used for exemplary description and cannot be understood as limiting this patent; if there are terms such as "first", "second", etc., they are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the said features. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0020] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0021] refer to Figures 1 to 3 A universal motor mounting base for a centrifugal fan, comprising a base 1, an adjusting beam 2, a first bolt 11, a first loose nut 12, a base 3, a second bolt 21 and a second loose nut 22;

[0022] The base 1 has long holes 4 on both sides, and the adjusting beam 2 has through holes on both sides. The two adjusting beams 2 are arranged parallel to each other above the base 1. On each side, a first bolt 11 is passed through the corresponding long hole 4 of the base 1 and the corresponding through hole of the adjusting beam 2. The first bolt 11 is screwed with a first loose nut 12.

[0023] The adjusting beam 2 is also provided with a long hole 4, and the machine base 3 is arranged above the two adjusting beams 2. The machine base 3 is also provided with a through hole at a position corresponding to the long hole 4 of the adjusting beam 2. In this embodiment, the long hole 4 of one adjusting beam 2 corresponds to the two through holes of the adjusting beam 2. At each through hole of the machine base 3, a second bolt 21 passes through the corresponding long hole 4 of the adjusting beam 2 and the corresponding through hole of the machine base 3, and a second tightening nut 22 is screwed on the second bolt 21.

[0024] In this way, when the first tightening nut 12 is loosened, the adjusting beam 2 can be adjusted to the left and right on the base 1, and the distance between the two adjusting beams 2 can be adjusted. Motor bases 3 of different sizes can be installed on the two adjusting beams 2 to adapt to motors of different specifications. The motor base 3 can also be adjusted to the left and right along with the adjusting beam 2; loosen the second tightening nut 22, and the base 3 can also be adjusted to the front and rear on the adjusting beam 2.

[0025] At least one fine-tuning block 5 is also arranged beside the base 3. The fine-tuning block 5 is arranged above the corresponding adjustment beam 2. A through hole is also provided on the fine-tuning block 5. The third bolt 31 passes through the long hole 4 of the corresponding adjustment beam 2 and the corresponding through hole of the fine-tuning block 5. The third bolt 31 is screwed with a third loose nut 32. A threaded through hole is provided on the side of the fine-tuning block 5. The bolt push rod 6 passes through the threaded through hole and cooperates with the threaded through hole in a threaded engagement manner. The end of the bolt push rod 6 is also fixedly connected with a push block 7. In a specific embodiment: a total of four fine-tuning blocks 5 are provided, one adjustment beam 2 corresponds to two fine-tuning blocks 5, and the two fine-tuning blocks 5 on each adjustment beam 2 are arranged on both sides of the base 3.

[0026] The method of using the above-mentioned fine-tuning block 5 is as follows: after roughly adjusting the position of the motor base 3, the fine-tuning block 5 is fixed next to the base 3 by the third tightening nut 32, and the base 3 can be slightly pushed by rotating the bolt push rod 6 to fine-tune the position of the base 3, thereby achieving fine-tuning of the motor position. After all adjustments are completed, the tightening nuts are tightened, and the fine-tuning blocks 5 and bolt push rods 6 on both sides of the base 3 can also make the fixation of the motor base 3 more reliable.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Based on the present invention and the above description, relevant personnel can make various changes and modifications without departing from the technical idea of ​​the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal motor mounting base for a centrifugal fan, characterized in that: It comprises a base (1), an adjusting beam (2), a first bolt (11), a first loose nut (12), a machine base (3), a second bolt (21) and a second loose nut (22); Long holes (4) are provided on both sides of the base (1), through holes are provided on both sides of the adjusting beam (2), the two adjusting beams (2) are arranged in parallel above the base (1), and a first bolt (11) is passed through the corresponding long hole (4) of the base (1) and the corresponding through hole of the adjusting beam (2) on each side, and a first tightening nut (12) is screwed onto the first bolt (11); The adjusting beam (2) is also provided with a long hole (4). The machine base (3) is arranged above the two adjusting beams (2). The machine base (3) is also provided with a through hole at a position corresponding to the long hole (4) of the adjusting beam (2). At each through hole of the machine base (3), a second bolt (21) passes through the corresponding long hole (4) of the adjusting beam (2) and the corresponding through hole of the machine base (3). A second loose nut (22) is screwed onto the second bolt (21).

2. The universal motor mounting base for a centrifugal fan according to claim 1, characterized in that: At least one fine-tuning block (5) is also arranged beside the machine base (3). The fine-tuning block (5) is arranged above the corresponding adjustment beam (2). A through hole is also provided on the fine-tuning block (5). A third bolt (31) passes through the long hole (4) of the corresponding adjustment beam (2) and the corresponding through hole of the fine-tuning block (5). A third loosening nut (32) is screwed onto the third bolt (31). A threaded through hole is provided on the side of the fine-tuning block (5). A bolt push rod (6) passes through the threaded through hole and cooperates with the threaded through hole in a threaded engagement manner. The end of the bolt push rod (6) is also fixedly connected to a push block (7).

3. The universal motor mounting base for a centrifugal fan according to claim 2, characterized in that: A total of four fine-tuning blocks (5) are provided, one adjustment beam (2) corresponds to two fine-tuning blocks (5), and the two fine-tuning blocks (5) on each adjustment beam (2) are arranged on both sides of the machine base (3).

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