CN209943171U - A FRP centrifugal fan fixing device - Google Patents

Abstract

The utility model discloses a glass fiber reinforced plastic centrifugal fan fixing device, which comprises a base, the left and right ends of the base are welded with mounting plates, the mounting plates are inserted with locking screws, and the top of the base is symmetrically connected with vertical plates on the left and right sides , a guide mechanism is arranged between the two sets of vertical plates, a support component is arranged at the top center of the base, the top of the support component is connected with a fan casing, the top of the two sets of vertical plates is connected with a top plate, and the lower surface of the top plate is provided with a Chute. The utility model has reasonable structural design and simple operation. The device can effectively fix the position of the centrifugal fan, achieve a good shock absorption effect during operation, improve the stability of the device during operation, and has high practical value. .

Description

A FRP centrifugal fan fixing device

technical field

The utility model relates to the technical field of centrifugal fans related equipment, in particular to a FRP centrifugal fan fixing device.

Background technique

The centrifugal fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust removal and cooling in factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft in boilers and industrial furnaces; cooling and air conditioning in air conditioning equipment and household appliances. Ventilation; drying and selection of grain; air source of wind tunnel and inflation and propulsion of hovercraft, etc.

FRP centrifugal fan is a centrifugal fan made of FRP material, also called anti-corrosion centrifugal fan. Generally, FRP centrifugal fans can be used in occasions with corrosive gases to discharge corrosive gases. At present, most of the FRP centrifugal fan fixing devices on the market are simple in structure. They are only locked and fixed by multiple sets of screws and steel frames, which are very inconvenient to install and disassemble, and have no shock absorption effect, resulting in poor stability of the fan during operation.

Utility model content

The utility model provides a glass fiber reinforced plastic centrifugal fan fixing device, which is simple to operate and can effectively fix and limit the centrifugal fan. In order to achieve the above technical purpose and achieve the above technical effect, the present invention is achieved through the following technical solutions.

A FRP centrifugal fan fixing device includes a base, the left and right ends of the base are welded with mounting plates, the mounting plates are inserted with locking screws, and the top left and right sides of the base are symmetrically connected with vertical A guide mechanism is arranged between the two sets of vertical plates, a support assembly is arranged at the top center of the base, the top of the support assembly is connected with a fan casing, and the tops of the two sets of vertical plates are connected to each other. There is a top plate, and the lower surface of the top plate is provided with a chute.

Preferably, in a FRP centrifugal fan fixing device, the guide mechanism includes a screw rod that is rotatably connected between two sets of vertical plates through bearings, and a rocker handle is connected to one end of the screw rod extending out of the vertical plate, and the screw rod The threads of the left and right parts of the rod are rotated in opposite directions, and the left and right ends of the lead rod are screwed with a nut seat, the top of the nut seat is connected with a connecting rod, and the top of the connecting rod is connected with a clamping block. The top of the clamping block is provided with a pulley, and the pulley is located in the chute, and shock-absorbing rubber pads are connected to the inner side walls of the two groups of the clamping blocks.

Preferably, in a FRP centrifugal fan fixing device, the support assembly includes a support plate, the top of the support plate is connected with a fastening plate, the fastening plate is screwed with limit bolts, and the bottom of the support plate is Four corners are connected with elastic support legs, the elastic support legs include a push rod connected to the bottom of the support plate and a sleeve connected to the top of the base, and a strong spring is connected between the bottom end of the push rod and the bottom of the inner cavity of the sleeve.

Preferably, in a FRP centrifugal fan fixing device, the top plate and the vertical plate are fixedly connected by detachable screws.

Preferably, in a FRP centrifugal fan fixing device, the positions of the elastic support legs are staggered from the screw rods.

Preferably, in a FRP centrifugal fan fixing device, the lower part of the fan casing is provided with a threaded hole matched with a limit bolt.

The beneficial effects of the present utility model are:

The utility model has reasonable structure design and simple operation. The base is fixed on the work table by the locking screw and the mounting plate, the fan casing is fixedly supported by the support assembly, and the ejector rod can be in the casing through the strong spring when the centrifugal fan is working. The reciprocating motion reduces vibration. The top plate can prevent dust and debris from accumulating on the fan casing. The top plate is easy to install and disassemble, which is conducive to the installation and maintenance of the fan. The guiding mechanism makes the two groups of clamping blocks approach each other in the same vertical plane. , so that the shock-absorbing rubber pad is attached to the side wall of the fan casing, and the shock-absorbing rubber pad has a certain elastic deformation, so it also has a shock-absorbing effect. It achieves a good shock absorption effect during operation, improves the stability of the device during operation, and has high practical value.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the overall structure schematic diagram one of the present utility model;

Fig. 2 is the overall structure schematic diagram two of the utility model;

3 is a schematic structural diagram of an elastic support leg in the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 3 , this embodiment is a FRP centrifugal fan fixing device, including a base 1 , a mounting plate 2 is welded on the left and right ends of the base 1 , and a locking screw 3 is inserted into the mounting plate 2 , the top left and right sides of the base 1 are symmetrically connected with vertical plates 4, a guide mechanism 5 is arranged between the two sets of vertical plates 4, a support assembly 6 is provided at the top center of the base 1, and the top of the support assembly 6 is connected with a winder In the casing 7, the tops of the two sets of vertical plates 4 are connected with a top plate 8, and the lower surface of the top plate 8 is provided with a chute 9.

The guide mechanism 5 includes a lead screw 501 which is rotatably connected between the two sets of vertical plates 4 through a bearing. The end of the lead screw 501 extending out of the vertical plate 4 is connected with a rocker handle 502. The left and right ends of the rod 501 are screwed with a nut seat 503, the top of the nut seat 503 is connected with a connecting rod 504, the top of the connecting rod 504 is connected with a clamping block 505, and the top of the clamping block 505 is provided with a pulley 506, and the pulley 506 is located in the chute 9, and shock-absorbing rubber pads 507 are connected to the inner side walls of the two sets of clamping blocks 505.

The support assembly 6 includes a support plate 601, the top of the support plate 601 is connected with a fastening plate 602, the fastening plate 602 is screwed with limit bolts 603, the bottom four corners of the support plate 601 are connected with elastic support legs 604, and the elastic support legs 604 include The top rod 6041 at the bottom of the support plate 601 is connected to the sleeve 6042 at the top of the base 1 , and a strong spring 6043 is connected between the bottom end of the top rod 6041 and the bottom of the inner cavity of the sleeve 6042 .

The top plate 8 and the vertical plate 4 are fixedly connected by detachable screws, so that the mounting and dismounting of the top plate 8 is very convenient, which is beneficial to the installation and maintenance of the device.

The position of the elastic support leg 604 is staggered from the screw rod 501 to facilitate the normal rotation operation of the screw rod 501 .

The lower part of the fan casing 7 is provided with threaded holes matched with the limit bolts 603 , so that the fastening plate 602 is connected to the fan casing 7 conveniently.

The specific embodiment of the present utility model is:

When using this device to fix the centrifugal fan, the mounting plate 2 is fixed on the work surface by the locking screw 3, so as to fix the base 1, the fan housing 7 is placed on the support plate 601, and the fixing plate 602 is used to fix the base 1. Fitted with the end face of the fan casing 7, it is tightened and fixed by the limit bolt 603. When the centrifugal fan is working, the ejector rod 6041 can reciprocate in the casing 6042 through the strong spring 6043, thereby reducing the vibration generated when the centrifugal fan is working. The top plate 8 is fixedly connected to the top of the vertical plate 4 by detachable screws. The top plate 8 prevents dust and debris from accumulating on the fan casing 7. The pulley 506 extends into the chute 9 on the lower surface of the top plate 8, and the crank handle 502 is rotated to drive The screw 501 rotates so that the two groups of nut seats 503 are close to each other. Since the lower end of the clamping block 505 is connected to the nut seat through the connecting rod 504, the upper end of the clamping block 505 slides in the chute 9 through the pulley 506, so that the two groups of clamping blocks 505 They can also approach each other in the same vertical plane, so that the shock-absorbing rubber pad 507 is attached to the side wall of the fan casing 7, and the shock-absorbing rubber pad 507 has a certain elastic deformation, so it can also achieve a partial shock absorption effect.

To sum up, the device is easy to operate, can effectively fix and limit the centrifugal fan, achieve good shock absorption effect during its operation, improve the stability of the device during operation, and has high practical value.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a glass steel centrifugal fan fixing device, includes base (1), its characterized in that: the utility model discloses a fan support base, including base (1), mounting panel (2) are welded to the both ends of controlling of base (1), it has locking screw (3) to peg graft on mounting panel (2), the top left and right sides symmetric connection of base (1) has riser (4), and is two sets of be equipped with guiding mechanism (5) between riser (4), the top center department of base (1) is equipped with supporting component (6), the top of supporting component (6) is connected with fan casing (7), and is two sets of the top of riser (4) is connected with roof (8), spout (9) have been seted up to the lower surface of roof (8).

2. The fixing device of the glass fiber reinforced plastic centrifugal fan as claimed in claim 1, wherein: guiding mechanism (5) include lead screw (501) of connecting between two sets of risers (4) through the bearing rotation, the one end that lead screw (501) stretched out riser (4) is connected with crank handle (502), the screw thread of two parts is revolved to opposite about lead screw (501), the equal spiro union in both ends has nut seat (503) about lead screw (501), the top of nut seat (503) is connected with connecting rod (504), the top of connecting rod (504) is connected with grip block (505), the top of grip block (505) is equipped with pulley (506), and pulley (506) are located spout (9), and are two sets of the inside wall of grip block (505) all is connected with shock attenuation cushion (507).

3. The fixing device of the glass fiber reinforced plastic centrifugal fan as claimed in claim 1, wherein: support assembly (6) include backup pad (601), the top of backup pad (601) is connected with mounting plate (602), threaded connection has stop bolt (603) on mounting plate (602), the bottom four corners of backup pad (601) is connected with elastic support leg (604), elastic support leg (604) are including ejector pin (6041) and the sleeve pipe (6042) at connection base (1) top of connection backup pad (601) bottom, be connected with powerful spring (6043) between ejector pin (6041) bottom and sleeve pipe (6042) inner chamber bottom.

4. The fixing device of the glass fiber reinforced plastic centrifugal fan as claimed in claim 1, wherein: the top plate (8) is fixedly connected with the vertical plate (4) through a detachable screw.

5. The fixing device of the glass fiber reinforced plastic centrifugal fan as claimed in claim 3, wherein: the position of the elastic supporting leg (604) is staggered with the screw rod (501).

6. The fixing device of the glass fiber reinforced plastic centrifugal fan as claimed in claim 3, wherein: and the lower part of the fan shell (7) is provided with a threaded hole matched with the limiting bolt (603).

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