CN104500419B - A kind of two section type high pressure blower - Google Patents

A kind of two section type high pressure blower Download PDF

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Publication number
CN104500419B
CN104500419B CN201410669639.9A CN201410669639A CN104500419B CN 104500419 B CN104500419 B CN 104500419B CN 201410669639 A CN201410669639 A CN 201410669639A CN 104500419 B CN104500419 B CN 104500419B
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CN
China
Prior art keywords
wind bucket
rotating shaft
rotary shaft
bearing
motor
Prior art date
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CN201410669639.9A
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Chinese (zh)
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CN104500419A (en
Inventor
陈镇华
周政富
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NINGBO SHENGHONG MACHINERY EQUIPMENT Co Ltd
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NINGBO SHENGHONG MACHINERY EQUIPMENT Co Ltd
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Priority to CN201410669639.9A priority Critical patent/CN104500419B/en
Publication of CN104500419A publication Critical patent/CN104500419A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/16Combinations of two or more pumps ; Producing two or more separate gas flows
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053Shafts
    • F04D29/054Arrangements for joining or assembling shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers

Abstract

The invention provides a kind of two section type high pressure blower, belong to Fan Equipment technical field.It solve the problem that single impeller can not be used by existing two section type high pressure blower.This two section type high pressure blower, including motor, front wind bucket and rear wind bucket, being rotatably connected to rear rotating shaft in rear wind bucket, rear rotating shaft is fixedly connected with the output shaft of motor, fan blade after being connected in rear rotating shaft, it is fixed with bearing holder (housing, cover) between motor and rear wind bucket, being fixed with rear bearing in bearing holder (housing, cover), the output shaft of motor passes rear bearing, is rotatably connected to front rotary shaft in front wind bucket, one end of front rotary shaft is removably fixed with the free end of rear rotating shaft, and front rotary shaft is fixed with front fan blade.Fan blade can be disassembled and be transformed into unit air blast by this two section type high pressure blower, uses more flexibly, conveniently.

Description

A kind of two section type high pressure blower
Technical field
The invention belongs to Fan Equipment technical field, relate to a kind of two section type high pressure blower.
Background technology
Air blast is main by motor, air cleaner, impeller, air chamber, base etc. Parts form, and draw air into by the volume change between blade, compress, spue, by Operate without friction in body in impeller, it is not necessary to lubrication, make the gas not oil-containing of discharge, It it is the industry such as chemical industry, food preferably Geldart-D particle source of the gas.During use, along with pressure Change, flow variation is the least, but flow changes along with rotating speed, the therefore selection of pressure Scope is the widest, and the selection of flow can reach needs by selecting rotating speed.Blower type Various, can be divided into Shandong formula air blast, high pressure blower etc., wherein high pressure blower, Also being high pressure positive blower, it is internally installed has fan blade, when fan blade rotates, due to centrifugal force Effect, wind vane promotes gas to move out forward, thus forms a series of helical form Motion, the air between fan blade blade in the shape of a spiral accelerate rotate and by outside the pump housing Gas clamp-ons side channel, and after its approaching side passage, gas is compressed, and replys the most again Again speeding up rotation between impeller blade, each impeller blade adds compression and the journey accelerated Degree, along with the carrying out rotated, the kinetic energy of gas increases so that the gas passed through along wing passage Body pressure increases further, and final gas is extruded blade and discharges the pump housing by outlet. High pressure blower can need to increase fan blade and the quantity of wind bucket, i.e. multistage according to power Formula air blast.
As Chinese invention patent application (application number: 200510091170.6) discloses one Plant the multiple-stage centrifugal fan of middling speed high pressure, there is vertical subdivision housing structure, on main shaft Being provided with the impeller of multiple aluminium or steel, main shaft is by the bearing housing of cylinder body one end and the other end Cluster gear case supported.Cluster gear case, as a part for fermented soya beans, salted or other wise blower fan cylinder body, can With raising wheel speed to obtain higher pressure, meanwhile, axial impeller wheel cap seals permissible Reduce gap and improve the reliability in high-voltage applications, but owing to above-mentioned air blast is many Individual impeller is all connected in rotating shaft, and during electric motor starting, multiple impellers work simultaneously, When needing relatively low to the power of air blast, the use of above-mentioned air blast is more wasted.
Summary of the invention
The present invention is directed to existing technology and there are the problems referred to above, it is proposed that a kind of two section type is high Drum pressure blower fan, fan blade can be disassembled and be transformed into list by this two section type high pressure blower Machine air blast, uses more flexibly, conveniently.
The purpose of the present invention can be realized by following technical proposal: a kind of two section type high pressure Air blast, including motor, front wind bucket and rear wind bucket, described motor, rear wind bucket, front wind Bucket is fixedly connected with successively, is rotatably connected to rear rotating shaft in described rear wind bucket, described rear rotating shaft with The output shaft of motor is fixedly connected with, fan blade after being connected in rear rotating shaft, it is characterised in that institute State and be fixed with bearing holder (housing, cover) between motor and rear wind bucket, in described bearing holder (housing, cover), be fixed with rear bearing, The output shaft of above-mentioned motor passes rear bearing, is rotatably connected to front rotary shaft in described front wind bucket, Described front rotary shaft is axially aligned with rear rotating shaft, and the freedom of one end of front rotary shaft and rear rotating shaft End is removably fixed with, and described front rotary shaft is fixed with front fan blade.
Two fan blades of this pair of section air blast are worked by driven by motor simultaneously, and power is higher, And need reduce power or use space less, when needing the volume reducing air blast, Front wind bucket is disassembled from rear wind bucket, owing to front rotary shaft is removably fixed with rear rotating shaft, Therefore it also is able to disassemble from rear rotating shaft, is so converted into single-stage blower, makes With the most flexible and changeable, between motor and rear wind bucket, it is provided with bearing holder (housing, cover) simultaneously, motor Output shaft is connected on the bearing in bearing holder (housing, cover), serves the output shaft of motor effectively Supporting, therefore changing connecting between front rotary shaft and rear rotating shaft will not be to the output shaft of motor Produce impact, it is to avoid the output shaft of motor and rotor occur transition, improper Abrasion.
In above-mentioned two section type high pressure blower, on the free end end face of described rear rotating shaft Offering the spliced eye that cross section is hexagonal, it is transversal that the end of described front rotary shaft has one The Plug Division that face is hexagonal, described Plug Division is plugged in spliced eye.I.e. pass through grafting Portion matches with spliced eye so that circumferentially fixed between front rotary shaft and rear rotating shaft, turns the most afterwards Axle can be with front rotary shaft synchronous axial system, and front rotary shaft also is able to extract from rear rotating shaft, Easy accessibility.
In above-mentioned two section type high pressure blower, solid between described front wind bucket and rear wind bucket Being connected with middle windshield, described middle windshield offers front link slot on the side of front wind bucket, Middle windshield offers rear link slot, described rear link slot bottom land on the side of rear wind bucket Offer the through hole connected with front link slot, described rear rotating shaft insert after link slot, and The end face of rear rotating shaft leans with rear link slot bottom land, and described front rotary shaft end connects before inserting Access slot, and the end of front rotary shaft leans with front link slot bottom land, described Plug Division passes Through hole is plugged in spliced eye.Front link slot on apoplexy lid with rear link slot respectively to front Rotating shaft and rear rotating shaft are supported, and axially position both, it is to avoid front rotary shaft simultaneously Front rotary shaft axial float is caused due to the fit clearance between rear rotating shaft, and then to rear Rotating shaft produces instantaneous axial impact force, it is to avoid damage motor.
In above-mentioned two section type high pressure blower, the outer ring of described rear bearing and bearing holder (housing, cover) Inwall clamping is connected, the output shaft of above-mentioned motor and bearing inner race tight fit, described bearing It is fixed with in set and rear bearing is carried out spacing jump ring.I.e. the output shaft of motor is played guarantor Protecting effect, whether the installation of front rotary shaft will not produce impact to motor.
In above-mentioned two section type high pressure blower, described front wind bucket side is also fixed with Front windshield, described front windshield side has an annular groove, is connected in annular groove Fore bearing, the end of above-mentioned front rotary shaft is had to be connected with fore bearing tight fit.Fore bearing is to front Rotating shaft is supported and positions so that structure is more stable, and current spindle and front wind bucket are torn open When unloading down, front windshield can be connected on rear wind bucket side.
In above-mentioned two section type high pressure blower, described front windshield, front wind bucket, apoplexy Lid and rear wind bucket are worn by bolt and are fixed together.It is fixedly connected with by same bolt, Easy accessibility, front windshield also is able to be connected with rear wind bucket, and applicability is strong.
Compared with prior art, this two section type high pressure blower has the advantage that
1, being removably fixed with rear rotating shaft due to front rotary shaft, front wind bucket can be from rear wind bucket Disassemble, be converted into single-stage blower, use the most flexible and changeable.
2, owing to being provided with bearing holder (housing, cover) between motor and rear wind bucket, the output shaft of motor connects On bearing in bearing holder (housing, cover), the output shaft of motor is served effective support, therefore Change connecting between front rotary shaft and rear rotating shaft and the output shaft of motor will not be produced impact, There is transition, heel and toe wear in output shaft and the rotor of avoiding motor.
3, due to the front link slot on apoplexy lid and rear link slot respectively to front rotary shaft and after turn Axle is supported, and axially positions both simultaneously, it is to avoid front rotary shaft due to rear turn Fit clearance between axle and cause front rotary shaft axial float, and then rear rotating shaft is produced wink Time axial impact force, it is to avoid damage motor.
Accompanying drawing explanation
Fig. 1 is the structure front view of this two section type high pressure blower.
Fig. 2 is the structure sectional view of this two section type high pressure blower.
Fig. 3 is the schematic enlarged-scale view in Fig. 2 at A.
In figure, 1, motor;2, front wind bucket;21, front rotary shaft;211, Plug Division;22、 Front fan blade;3, rear wind bucket;31, rear rotating shaft;311, spliced eye;32, rear fan blade;4、 Bearing holder (housing, cover);41, rear bearing;42, jump ring;5, middle windshield;51, front link slot;52、 Rear link slot;53, through hole;6, front windshield;61, annular groove;62, fore bearing.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention Case is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1 and Figure 2, a kind of two section type high pressure blower, including motor 1, front Wind bucket 2 and rear wind bucket 3, described motor 1, rear wind bucket 3, front wind bucket 2 be fixedly connected with successively, Rear rotating shaft 31, rear rotating shaft 31 and the output shaft of motor 1 it is rotatably connected in rear wind bucket 3 Being fixedly connected with, fan blade 32 after being connected in rear rotating shaft 31, between motor 1 and rear wind bucket 3 It is fixed with bearing holder (housing, cover) 4, in bearing holder (housing, cover) 4, is fixed with rear bearing 41, the output shaft of motor 1 Through rear bearing 41, in front wind bucket 2, it is rotatably connected to front rotary shaft 21, described front rotary shaft 21 axially align with rear rotating shaft 31, and one end of front rotary shaft 21 and rear rotating shaft 31 from It is removably fixed with by end, front rotary shaft 21 is fixed with front fan blade 22.This pair of section air blast Two fan blades drive work simultaneously by motor 1, power is higher, and needs to reduce merit Rate or use space less, need reduce air blast volume time, by front wind bucket 2 from Disassemble on rear wind bucket 3, owing to front rotary shaft 21 is removably fixed with rear rotating shaft 31, Therefore it also is able to disassemble from rear rotating shaft 31, is so converted into single-stage blower, Use the most flexible and changeable, between motor 1 and rear wind bucket 3, be provided with bearing holder (housing, cover) 4 simultaneously, The output shaft of motor 1 is connected to the output shaft on the bearing in bearing holder (housing, cover) 4, to motor 1 Serve effective support, therefore the connection change between front rotary shaft 21 and rear rotating shaft 31 The output shaft of motor 1 will not be produced impact, it is to avoid the output shaft of motor 1 and motor There is transition, heel and toe wear in 1 rotor.
Specifically, shown in Fig. 3, the free end end face of rear rotating shaft 31 offers The spliced eye 311 that cross section is hexagonal, the end of front rotary shaft 21 have a cross section in Hexagonal Plug Division 211, Plug Division 211 is plugged in spliced eye 311, i.e. passes through Match with spliced eye 311 in Plug Division 211 so that front rotary shaft 21 and rear rotating shaft 31 it Between circumferentially fixed, i.e. after rotating shaft 31 can be with front rotary shaft 21 synchronous axial system, and forward Axle 21 also is able to extract from rear rotating shaft 31, easy accessibility.Front wind bucket 2 and rear wind bucket Being fixed with middle windshield 5 between 3, middle windshield 5 is towards before offering on the side of front wind bucket 2 Link slot 51, middle windshield 5 offers rear link slot 52 on the side of rear wind bucket 3, Rear link slot 52 bottom land offers the through hole 53 connected with front link slot 51, rear rotating shaft 31 insert after link slot 52, and the end face of rear rotating shaft 31 offsets with rear link slot 52 bottom land Lean on, front rotary shaft 21 end insert before link slot 51, and the end of front rotary shaft 21 and front company Access slot 51 bottom land leans, and Plug Division 211 is plugged on spliced eye 311 through through hole 53 In, front link slot in middle windshield 5 51 and rear link slot 52 are respectively to front rotary shaft 21 It is supported with rear rotating shaft 31, both is axially positioned, it is to avoid front rotary shaft simultaneously 21 cause front rotary shaft 21 axial float due to the fit clearance between rear rotating shaft 31, And then rear rotating shaft 31 is produced instantaneous axial impact force, it is to avoid damage motor 1.
The outer ring of rear bearing 41 is connected with bearing holder (housing, cover) 4 inwall clamping, the output shaft of motor 1 With bearing inner race tight fit, it is fixed with in bearing holder (housing, cover) 4 and rear bearing 41 is carried out spacing card Spring 42, i.e. plays a protective role to the output shaft of motor 1, the installation of front rotary shaft 21 with No will not generation motor 1 affects.Front windshield 6 also it is fixed with on front wind bucket 2 side, There is an annular groove 61, before being fixed with in annular groove 61 on front windshield 6 side Bearing 62, the end of front rotary shaft 21 is connected with fore bearing 62 tight fit, fore bearing 62 Front rotary shaft 21 is supported and positions so that structure is more stable, current spindle 21 When disassembling with front wind bucket 2, front windshield 6 can be connected on rear wind bucket 3 side. Front windshield 6, front wind bucket 2, middle windshield 5 and rear wind bucket 3 are worn by bolt and are connected in Together, it is fixedly connected with by same bolt, easy accessibility, front windshield 6 and rear wind bucket 3 Also being able to be connected, applicability is strong.
Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing the terms such as motor 1, front wind bucket 2, front rotary shaft 21, But it is not precluded from using the possibility of other term.These terms are used to be only used to more Describe and explain the essence of the present invention easily;It is construed as what any one was added It is all contrary with spirit of the present invention for limiting.

Claims (4)

1. a two section type high pressure blower, including motor (1), front wind bucket (2) and Rear wind bucket (3), described motor (1), rear wind bucket (3), front wind bucket (2) are the most solid Even, rear rotating shaft (31), described rear rotating shaft (31) it are rotatably connected in described rear wind bucket (3) It is fixedly connected with the output shaft of motor (1), at the upper rear fan blade (32) that is connected of rear rotating shaft (31), It is characterized in that, between described motor (1) and rear wind bucket (3), be fixed with bearing holder (housing, cover) (4), Rear bearing (41), the output shaft of above-mentioned motor (1) it is fixed with in described bearing holder (housing, cover) (4) Through rear bearing (41), in described front wind bucket (2), it is rotatably connected to front rotary shaft (21), Described front rotary shaft (21) is axially aligned with rear rotating shaft (31), and front rotary shaft (21) One end is removably fixed with the free end of rear rotating shaft (31), on described front rotary shaft (21) It is fixed with front fan blade (22);Horizontal stroke is offered on the free end end face of described rear rotating shaft (31) The spliced eye (311) that cross section is hexagonal, the end of described front rotary shaft (21) has one The Plug Division (211) that cross section is hexagonal, described Plug Division (211) are plugged on grafting In hole (311);It is fixed with middle windshield between described front wind bucket (2) and rear wind bucket (3) (5), described middle windshield (5) offers front connection on the side of front wind bucket (2) Groove (51), middle windshield (5) offers rear link slot on the side of rear wind bucket (3) (52), described rear link slot (52) bottom land offers and connects with front link slot (51) Through hole (53), described rear rotating shaft (31) insert after link slot (52), and rear rotating shaft (31) end face leans with rear link slot (52) bottom land, described front rotary shaft (21) End insert before link slot (51), and the end of front rotary shaft (21) and front link slot (51) Bottom land leans, and described Plug Division (211) are plugged on spliced eye (311) through through hole (53) In.
Two section type high pressure blower the most according to claim 1, it is characterised in that The outer ring of described rear bearing (41) is connected with bearing holder (housing, cover) (4) inwall clamping, above-mentioned motor (1) output shaft and bearing inner race tight fit, it is right to be fixed with in described bearing holder (housing, cover) (4) Rear bearing (41) carries out spacing jump ring (42).
Two section type high pressure blower the most according to claim 2, it is characterised in that Front windshield (6), described front windshield (6) also it is fixed with on described front wind bucket (2) side There is on side an annular groove (61), in annular groove (61), be fixed with fore bearing (62), the end of above-mentioned front rotary shaft (21) is connected with fore bearing (62) tight fit.
Two section type high pressure blower the most according to claim 3, it is characterised in that Described front windshield (6), front wind bucket (2), middle windshield (5) and rear wind bucket (3) lead to Cross bolt to wear and be fixed together.
CN201410669639.9A 2014-11-20 2014-11-20 A kind of two section type high pressure blower Active CN104500419B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410669639.9A CN104500419B (en) 2014-11-20 2014-11-20 A kind of two section type high pressure blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410669639.9A CN104500419B (en) 2014-11-20 2014-11-20 A kind of two section type high pressure blower

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CN104500419A CN104500419A (en) 2015-04-08
CN104500419B true CN104500419B (en) 2016-08-17

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2705634Y (en) * 2003-11-09 2005-06-22 无锡市光明泵业有限公司 Multiple stage vortex air pump
EP1519048A3 (en) * 2003-09-26 2008-04-09 Elektror M. Müller GmbH Side channel compressor
CN102182691A (en) * 2011-05-09 2011-09-14 中国石油大学(华东) Modular pump unit used in multi-stage pump
CN203770157U (en) * 2013-12-30 2014-08-13 东莞市佛尔盛机电科技有限公司 Gas ring vacuum pump with separating type structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519048A3 (en) * 2003-09-26 2008-04-09 Elektror M. Müller GmbH Side channel compressor
CN2705634Y (en) * 2003-11-09 2005-06-22 无锡市光明泵业有限公司 Multiple stage vortex air pump
CN102182691A (en) * 2011-05-09 2011-09-14 中国石油大学(华东) Modular pump unit used in multi-stage pump
CN203770157U (en) * 2013-12-30 2014-08-13 东莞市佛尔盛机电科技有限公司 Gas ring vacuum pump with separating type structure

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