CN209818356U

CN209818356U - Duplex centrifugal ventilator

Info

Publication number: CN209818356U
Application number: CN201920342272.8U
Authority: CN
Inventors: 孙勇安; 刘万勤; 刘正东; 孙健
Original assignee: Dynamo-Electric Co Ltd Of Jiangsu Heng Kang
Current assignee: Dynamo-Electric Co Ltd Of Jiangsu Heng Kang
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2019-12-20
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a pair centrifugal fan, including the concrete pedestal, the upper end fixedly connected with fixed block of concrete pedestal, the upper end of fixed block is equipped with centrifugal fan casing, the entrance threaded connection of centrifugal fan casing has filter equipment, be equipped with four device grooves, four on the concrete pedestal the interior bottom in device groove all overlaps and is equipped with walking leg, four the lower extreme of walking leg all is equipped with running gear, four all be equipped with buffer between the interior bottom in walking leg and the device groove that corresponds, it is connected with push-and-pull device to rotate on the lateral wall of concrete pedestal, be equipped with supplementary stabilising arrangement between concrete pedestal and the centrifugal fan casing. The utility model has the advantages of reasonable design, have convenient removal, the shock attenuation is effectual and dustproof can the strong benefit.

Description

Duplex centrifugal ventilator

Technical Field

The utility model relates to a centrifugal fan technical field especially relates to a pair centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. In the prior art, a damping seat of a centrifugal ventilator is generally made of concrete, the damping effect is good, but the concrete damping seat is difficult to move, and the application range of the centrifugal ventilator is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a duplex centrifugal ventilator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pair centrifugal fan, includes the concrete pedestal, the upper end fixedly connected with fixed block of concrete pedestal, the upper end of fixed block is equipped with centrifugal fan casing, the entrance threaded connection of centrifugal fan casing has filter equipment, be equipped with four device grooves on the concrete pedestal, four the interior bottom in device groove all overlaps and is equipped with walking leg, four the lower extreme of walking leg all is equipped with running gear, four all be equipped with buffer between the interior bottom in walking leg and the device groove that corresponds, it is connected with push-and-pull device to rotate on the lateral wall of concrete pedestal, be equipped with supplementary stabilising arrangement between concrete pedestal and the centrifugal fan casing.

Preferably, the filtering device comprises a primary filtering disc which is in threaded connection with the inlet of the centrifugal ventilator shell, the lower end of the primary filtering disc is fixedly connected with two connecting rods, the lower ends of the two connecting rods are fixedly connected with a secondary filtering disc together, the secondary filtering disc is completely positioned in the inlet of the centrifugal ventilator shell, the walking device comprises a walking shaft which is fixedly sleeved on walking legs, two ends of the walking shaft are rotatably connected with walking wheels, the two walking legs are fixedly connected with the same walking shaft, the buffering device comprises a buffering rod which is fixedly connected with the top in the device groove, a groove is arranged at one end of the walking leg which is positioned in the device groove, the lower end of the buffering rod is positioned in the groove and is elastically connected with the inner bottom of the groove through a spring, and the push-pull device comprises two push rods which are rotatably connected on the side wall of the concrete pedestal, two keep away from the common fixedly connected with holding rod of one end of concrete pedestal on the push rod, two equal fixedly connected with support column, two on the lateral wall of push rod the equal fixedly connected with slipmat of lower extreme of support column, supplementary stabilising arrangement includes a plurality of bracing pieces of fixed connection in concrete pedestal upper end, and is a plurality of the equal fixedly connected with arc in upper end of bracing piece, it is a plurality of the arc all with the lateral wall fixed connection of centrifugation logical fan casing.

The utility model has the following beneficial effects;

1. by arranging the walking device, the buffer device, the push-pull device and the auxiliary stabilizing device to be matched with each other, an operator can conveniently move and fix the centrifugal ventilator of the concrete pedestal, the damping effect is enhanced, and certain vibration noise is reduced;

2. through setting up filter equipment, can play certain filtering action to centrifugal fan's air intake, the convenient dismantlement of filter disc can not influence centrifugal fan's use moreover.

Drawings

Fig. 1 is a schematic structural view of a duplex centrifugal fan provided by the present invention;

fig. 2 is a schematic side view of a part of a duplex centrifugal fan according to the present invention;

fig. 3 is a schematic structural view of a filtering device of a duplex centrifugal fan provided by the present invention.

In the figure: 1 concrete pedestal, 2 centrifugal fan casings, 3 first grade filter discs, 4 fixed blocks, 5 set screws, 6 arc plates, 7 support rods, 8 buffer rods, 9 springs, 10 walking legs, 11 walking wheels, 12 push rods, 13 holding rods, 14 support columns, 15 non-slip mats, 16 walking shafts, 17 connecting rods and 18 second grade filter discs.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a duplex centrifugal fan comprises a concrete pedestal 1, wherein a fixed block 4 is fixedly connected to the upper end of the concrete pedestal 1, a centrifugal ventilation fan shell 2 is arranged at the upper end of the fixed block 4, a filtering device is connected to an inlet of the centrifugal ventilation fan shell 2 through threads, four device grooves are formed in the concrete pedestal 1, walking legs 10 are sleeved on the inner bottoms of the four device grooves, walking devices are arranged at the lower ends of the four walking legs 10, buffering devices are arranged between the four walking legs 10 and the inner bottoms of the corresponding device grooves, a push-pull device is rotatably connected to the side wall of the concrete pedestal 1, and an auxiliary stabilizing device is arranged between the concrete pedestal 1 and the centrifugal ventilation fan shell 2.

Wherein, filter equipment includes threaded connection at the primary filter dish 3 of 2 entrances of centrifugal ventilation fan casing, two connecting rods 17 of the lower extreme fixedly connected with of primary filter dish 3, the common fixedly connected with secondary filter dish 18 of the lower extreme of two connecting rods 17, secondary filter dish 18 is located the entry of centrifugal ventilation fan casing 2 completely, all be equipped with the airstrainer in different apertures on primary filter dish 3 and the secondary filter dish 18, can filter centrifugal ventilation fan inspiratory air step by step, reduce piling up of its inside dust. Wherein, running gear is including fixed walking axle 16 of establishing on walking leg 10 of cover, and the both ends of walking axle 16 all rotate and are connected with walking wheel 11, two walking legs 10 and same walking axle 16 fixed connection, and centrifugal fan can pass through a plurality of walking wheel 11 shift positions, has improved the application scope of equipment. Wherein, buffer includes fixed connection at the buffer beam 8 at device inslot top, and walking leg 10 is located the one end of device inslot and is equipped with the recess, the lower extreme of buffer beam 8 be located the recess and with the recess in between the bottom through spring 9 elastic connection, concrete pedestal 1 receives the power that centrifugal fan fed back, can drive a plurality of springs 9 and take place deformation, the elastic action of a plurality of springs 9 has strengthened buffering effect.

Wherein, push-and-pull device is including rotating two push rods 12 of connection on 1 lateral wall of concrete pedestal, keep away from the common fixedly connected with holding rod 13 of one end of concrete pedestal 1 on two push rods 12, equal fixedly connected with support column 14 on the lateral wall of two push rods 12, the equal fixedly connected with slipmat 15 of the lower extreme of two support columns 14, in the use, put down holding rod 13, support column 14 props subaerial, can prevent that equipment from taking place the aversion, when needing to remove, can mention holding rod 13, promote push rod 12, drive equipment aversion.

Specifically, supplementary stabilising arrangement includes a plurality of bracing pieces 7 of fixed connection in concrete pedestal 1 upper end, the equal fixedly connected with arc 6 in upper end of a plurality of bracing pieces 7, a plurality of arcs 6 all with the lateral wall fixed connection of centrifugal ventilation fan casing 2, a plurality of bracing pieces 7 can strengthen the connection steadiness between concrete pedestal 1 and centrifugal ventilation fan casing 2.

The utility model discloses in, centrifugal fan shakes in the time of normal work, concrete pedestal 1 receives the power that centrifugal fan fed back, can drive a plurality of springs 9 and take place to deform, the elastic action of a plurality of springs 9 has strengthened buffering effect, when centrifugal fan needs to remove, mention holding rod 13, promote push rod 12, drive equipment shifts, reach after the assigned position, holding rod 13 is put down again, let 14 whereabouts of support column and ground contact, slipmat 15 has played skid-proof effect.

Claims

1. The utility model provides a pair centrifugal fan, includes concrete pedestal (1), its characterized in that, the upper end fixedly connected with fixed block (4) of concrete pedestal (1), the upper end of fixed block (4) is equipped with centrifugal ventilation fan casing (2), the entrance threaded connection of centrifugal ventilation fan casing (2) has filter equipment, be equipped with four device grooves on concrete pedestal (1), four the interior bottom in device groove all overlaps and is equipped with walking leg (10), four the lower extreme of walking leg (10) all is equipped with running gear, four all be equipped with buffer between walking leg (10) and the interior bottom in the device groove that corresponds, it is connected with push-and-pull device to rotate on the lateral wall of concrete pedestal (1), be equipped with supplementary stabilising arrangement between concrete pedestal (1) and centrifugal ventilation fan casing (2).

2. The duplex centrifugal fan according to claim 1, wherein the filtering device comprises a primary filter disc (3) which is screwed at the inlet of the centrifugal fan casing (2), the lower end of the primary filter disc (3) is fixedly connected with two connecting rods (17), the lower ends of the two connecting rods (17) are fixedly connected with a secondary filter disc (18) together, the secondary filter disc (18) is completely positioned in the inlet of the centrifugal fan casing (2), the walking device comprises a walking shaft (16) which is fixedly sleeved on the walking legs (10), the two ends of the walking shaft (16) are rotatably connected with walking wheels (11), the two walking legs (10) are fixedly connected with the same walking shaft (16), the buffering device comprises a buffering rod (8) which is fixedly connected at the top in the device groove, and one end of the walking legs (10) positioned in the device groove is provided with a groove, the lower extreme of buffer beam (8) is located the recess and with the interior bottom of recess between through spring (9) elastic connection, push-and-pull device is including rotating two push rods (12) of connection on concrete pedestal (1) lateral wall, two keep away from common fixedly connected with holding rod (13) of one end of concrete pedestal (1) on push rod (12), two equal fixedly connected with support column (14) on the lateral wall of push rod (12), two the equal fixedly connected with slipmat (15) of lower extreme of support column (14), supplementary stabilising arrangement includes a plurality of bracing pieces (7) of fixed connection in concrete pedestal (1) upper end, and is a plurality of the equal fixedly connected with arc (6) in upper end of bracing piece (7), it is a plurality of arc (6) all with the lateral wall fixed connection of centrifugal fan logical casing (2).