CN209818402U - Mounting device for glass fiber reinforced plastic centrifugal fan impeller - Google Patents

Abstract

The utility model discloses an installation device for a fiberglass centrifugal fan impeller, which comprises a support frame, a hanger is plugged into the top of the inner cavity of the support frame, a first bolt is screwed to the upper end of the outer wall of the support frame, and a bottom of the support frame is welded with a Nut seat, the screw rod is screwed inside the nut seat, the left end of the screw rod is welded with a rocker, the right end of the screw rod is connected with the top plate through bearing rotation, the outer wall of the support frame is provided with a movable seat, and the left side wall of the movable seat is screwed with a second Two bolts, the right side wall of the movable seat is connected with a strut, the right end of the strut is hinged with a strut, the bottom front end of the strut is connected with a pressure bar, the top of the strut is connected with a cross bar, and the front and rear ends of the cross bar are connected There are small brackets. The utility model has reasonable structural design and simple operation. The device greatly saves the installation time of the impeller and improves the installation efficiency. The installation process is safe and reliable, and has high practical value.

Description

An installation device for a fiberglass centrifugal fan impeller

technical field

The utility model relates to the technical field of equipment related to a centrifugal fan, in particular to an installation device for a fiberglass centrifugal fan impeller.

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 of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induction of boilers and industrial furnaces; cooling and cooling of air conditioning equipment and household appliances Ventilation; drying and selection of grain; wind tunnel wind source and inflation and propulsion of hovercraft, etc.

Centrifugal fans are based on the principle of converting kinetic energy into potential energy, using high-speed rotating impellers to accelerate the gas, then decelerate, change the flow direction, and convert kinetic energy into potential energy. Since all kinds of fans are installed in different parts, especially the fans with high power, the volume is large, the motor is large, and the fan impeller is large. Every time the motor winding is burnt out, the fan impeller must be reinstalled after repairing, which brings troubles to maintenance. Certain difficulties, the most difficult part of which is the installation of the fan impeller, the positioning of the center of the impeller and the installation axis requires the cooperation of multiple people, the installation efficiency is low, and the impeller is prone to slipping during installation, the safety factor is low, and further work is required. Improve.

Utility model content

The utility model provides an installation device for an impeller of a fiberglass centrifugal fan, which is simple in operation, safe and reliable, and improves installation efficiency. In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the utility model is realized through the following technical solutions.

An installation device for a fiberglass centrifugal fan impeller, comprising a support frame, a hanger is plugged into the top of the inner cavity of the support frame, a first bolt is screwed to the upper end of the outer wall of the support frame, and the bottom of the support frame is welded There is a nut seat, the nut seat is screwed with a screw rod, the left end of the screw rod is welded with a rocker, the right end of the screw rod is connected to the top plate through bearing rotation, and the outer wall of the support frame is provided with a movable seat. The left side wall of the movable seat is screwed with a second bolt, the right side wall of the movable seat is connected with a strut, the right end of the strut is hinged with a strut, and the bottom front end of the strut is connected with a pressure bar, The top of the strut is connected with a cross bar, and the front and rear ends of the cross bar are connected with small brackets.

Preferably, in a device for installing the impeller of a fiberglass centrifugal fan, the outer side wall of the support frame is provided with a guide groove matching with the movable seat.

Preferably, in an installation device for a fiberglass centrifugal fan impeller, a scale bar is provided on the vertical part of the hanger.

Preferably, in an installation device for a fiberglass centrifugal fan impeller, the top plate is an L-shaped plate.

Preferably, in an installation device for a fiberglass centrifugal fan impeller, the support rod is hinged to the support rod through a pin shaft.

Preferably, in an installation device for a fiberglass centrifugal fan impeller, the axial centerline of the strut and the axial centerline of the screw are located in the same vertical plane.

Preferably, in a device for installing the impeller of a fiberglass centrifugal fan, the pressure rod is provided with a threaded rubber sleeve.

The beneficial effects of the utility model are:

The utility model has reasonable structural design and simple operation. The movable seat is fixed by the second bolt, and the pressure rod is pressed down to make the support rod rotate around the pin shaft. The bracket prevents the impeller from slipping, turning the crank handle makes the screw move to the right, and the top plate touches the lower end of the impeller and pushes it to a vertical position, so as to fit and support, so that the impeller is perpendicular to the installation shaft on the centrifugal fan, and the centrifugal fan is engaged by the hanger. The machine casing makes the center of the impeller coincide with the center of the installation shaft, which facilitates the installation operation. This device greatly saves the installation time of the impeller and improves the installation efficiency. The installation process is safe and reliable, and has high practical value.

Description of drawings

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

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic cross-sectional view of a movable seat in the utility model;

Fig. 3 is a working schematic diagram of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 3, the present embodiment is an installation device for a fiberglass centrifugal fan impeller. The first bolt 3 is connected, the bottom of the support frame 1 is welded with a nut seat 4, the nut seat 4 is screwed with a screw rod 5, the left end of the screw rod 5 is welded with a rocking handle 6, and the right end of the screw rod 5 is connected with a top plate 7 through bearing rotation, The outer wall of the support frame 1 is provided with a movable seat 8, the left side wall of the movable seat 8 is screwed with a second bolt 9, the right side wall of the movable seat 8 is connected with a strut 10, and the right end of the strut 10 is hinged with a strut 11. The front end of the bottom of the strut 11 is connected with a pressure bar 12, the top of the strut 11 is connected with a cross bar 13, and the front and rear ends of the cross bar 13 are connected with small brackets 14.

The outer side wall of the support frame 1 is provided with a guide groove 15 matched with the movable seat 8, which is convenient for the movable seat 8 to slide up and down.

The vertical part of hanger 2 is provided with scale bar, is convenient to observe hanger 2 protruding length.

The top plate 7 is an L-shaped plate, which is convenient for fitting and supporting the impeller.

The support rod 11 and the support rod 10 are hinged by a pin shaft 16 to facilitate the rotation of the support rod 11 .

The axial centerline of the strut 11 and the axial centerline of the screw rod 5 are located in the same vertical plane, which is convenient for impeller installation.

The pressure rod 12 is provided with a threaded rubber sleeve to increase friction and facilitate operation.

The specific embodiment of the utility model is:

Before using this device to install the impeller, first measure the vertical distance between the central axis of the centrifugal fan’s installation shaft and the top of the centrifugal fan’s casing, and slide the movable seat 8 along the guide groove 15 according to the size of the impeller, and pass the second bolt 9 Carry out tightening and fixing, press down the pressing bar 12, make the support bar 11 rotate around the pin shaft 16, the fan impeller is jacked up by the support bar 11 through the upper end cross bar 13, prevent the impeller from slipping through the small brackets 14 at both ends of the cross bar 13, and rotate Shake the handle 6 to make the screw rod 5 move to the right, and the top plate 7 will continue to push to the right after contacting the lower end of the impeller, so that the impeller is perpendicular to the installation shaft on the centrifugal fan, and the extension height of the hanger 2 is adjusted according to the scale bar. Screwing and fixing, the top of the hanger 2 is engaged with the centrifugal fan casing, so that the center of the impeller coincides with the center of the installation shaft, which facilitates the installation operation. This device greatly saves the installation time of the impeller and improves the installation efficiency. The installation process is safe and reliable, and has high practical value.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of 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 specific 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 explain the present invention. The preferred embodiments do not exhaust all details, nor do they limit the utility model to the specific implementations described. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a glass steel centrifugal fan impeller's installation device, includes support frame (1), its characterized in that: a hanging bracket (2) is inserted at the top of the inner cavity of the support frame (1), a first bolt (3) is screwed at the upper end of the outer side wall of the support frame (1), a nut seat (4) is welded at the bottom of the support frame (1), a screw rod (5) is screwed in the nut seat (4), a rocking handle (6) is welded at the left end of the screw rod (5), the right end of the screw rod (5) is rotatably connected with a top plate (7) through a bearing, the outer side wall of the support frame (1) is sleeved with a movable seat (8), the left side wall of the movable seat (8) is screwed with a second bolt (9), the right side wall of the movable seat (8) is connected with a supporting rod (10), the right end of the supporting rod (10) is hinged with a supporting rod (11), the bottom front end of vaulting pole (11) is connected with depression bar (12), the top of vaulting pole (11) is connected with horizontal pole (13), both ends all are connected with little support (14) around horizontal pole (13).

2. The mounting device of the glass fiber reinforced plastic centrifugal fan impeller according to claim 1, wherein: the outer side wall of the support frame (1) is provided with a guide groove (15) matched with the movable seat (8).

3. The mounting device of the glass fiber reinforced plastic centrifugal fan impeller according to claim 1, wherein: and a scale strip is arranged at the vertical part of the hanger (2).

4. The mounting device of the glass fiber reinforced plastic centrifugal fan impeller according to claim 1, wherein: the top plate (7) is an L-shaped plate.

5. The mounting device of the glass fiber reinforced plastic centrifugal fan impeller according to claim 1, wherein: the stay bar (11) is hinged with the support bar (10) through a pin shaft (16).

6. The mounting device of the glass fiber reinforced plastic centrifugal fan impeller according to claim 1, wherein: the axial center line of the stay bar (11) and the axial center line of the screw rod (5) are positioned in the same vertical plane.

7. The mounting device of the glass fiber reinforced plastic centrifugal fan impeller according to claim 1, wherein: the pressure lever (12) is provided with a thread rubber sleeve.