CN208885551U - A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower - Google Patents
A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower Download PDFInfo
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- CN208885551U CN208885551U CN201821499484.9U CN201821499484U CN208885551U CN 208885551 U CN208885551 U CN 208885551U CN 201821499484 U CN201821499484 U CN 201821499484U CN 208885551 U CN208885551 U CN 208885551U
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Abstract
The utility model provides a kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower, it include: left spiral case, lobus sinister wheel, air inlet, threephase asynchronous, right spiral case, lobus dexter wheel, mounting rack, connection aluminum corner brace, the left spiral case, right spiral case are connected by the mounting hole of bottom with mounting rack with bolt, and are fixed to each other by connecting aluminum corner brace；The lobus sinister wheel, lobus dexter wheel stretch the inside for being fixed on the left and right spiral case of spiral case by the axis of motor two sides, the air inlet is fixed on the outside of left spiral case, right spiral case by the installation chunking on the first side plate, the utility model passes through the improvement to a kind of motor train unit converter with forward multiple wing formula riveting double-impeller centrifugal ventilation blower, have the advantages that efficient, low noise, simple and compact for structure, space be small and high reliablity, convenient for being installed in motor train unit converter, thus the problem of effective solution the utility model proposes in the background technology and deficiency.
Description
Technical field
The utility model relates to fluid machinery technical fields, more specifically, more particularly to a kind of small space, low noise,
Low vibration high safety reliability and efficient motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower.
Background technique
With the fast development of China's high-speed EMUs technology in recent years, to the change as one of core component in EMU
Flowing device each section, higher requirements are also raised；The core component that blower radiates as current transformer, gradually required mention effect,
Damping, low noise and lightweight；At the same time, higher requirement is made that the reliability of blower, in all reliability indexs
In, security reliability is undoubtedly most important, a kind of motor train unit converter forward multiple wing formula riveting double leaf in the prior art
Centrifugal fan is taken turns, from forward direction Multi-wing type blade, replaces original welding procedure using novel riveting process, one
Aspect solve the problems, such as that wheel space is small, the number of blade is more and caused by welding procedure difficulty it is big, while also fundamentally solving
Weld joint close and it is more caused by welding deformation each blade also preferably ensure that by the precise positioning of blade riveted holes
Established angle and size；Four sets of blade molds are utilized using a kind of completely new blade forming mode in blade forming link simultaneously
Instead of traditional die mould, bending molding process, solve the dimensional discrepancy occurred in common blade forming process, deviation of weight and
The problems such as consistency is low；Simultaneously by the selection of high strength rivet and stamping riveting, critical speed, the structure peace of impeller are improved
Full reliability and production efficiency, above-mentioned taken various behaves, for guaranteeing that fan performance is stable and security reliability all rises
Vital effect is arrived.
According to motor train unit converter to the structural requirement of cooling blower, the type of blower is double-impeller centrifugal ventilation blower, peace
In the mounting base of motor train unit converter front end；Compressor flow is 3000m3/ h (under standard state)；Static pressure is >=960Pa (mark
Under quasi- state)；Noise (sound pressure level) is not more than 85dB (A)；It is wanted according to the outer dimension of entire blower, mounting structure and noise
It asks, blower, which has only, is designed as bidirection air intake, bilobed wheel and forward-type, can meet above-mentioned performance, structure and noise requirements, existing
Motor train unit converter with centrifugal fan, structure is complicated when in use, noise is big, occupied space is big, is inconvenient to install, and can
It is low by property, it is continual the case where leaf destruction occur with time retardation, seriously affect the safe and reliable fortune of EMU
Row.
In view of this, study improvement for existing problem, provide efficient one kind, low noise, it is simple and compact for structure,
Space is small and high reliablity, convenient in motor train unit converter the motor train unit converter of installation and high safety and reliability with it is preceding to
Multiple wing type rivets double-impeller centrifugal ventilation blower, it is intended to by the technology, reach solving practical problems and improve practical value
Purpose.
Utility model content
Double-impeller centrifugal is riveted the purpose of this utility model is to provide a kind of motor train unit converter forward multiple wing formula to lead to
Blower, to solve, mentioned above in the background art structure is complicated, noise is big, occupied space is big, be inconvenient to install and safety can
By the problem and shortage such as property is low.
To achieve the above object, the utility model provides a kind of motor train unit converter forward multiple wing formula riveting bilobed wheel
Centrifugal fan is reached by technological means in detail below:
A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower, comprising: left spiral case, the first side
Plate, the second side plate, air inlet, lobus sinister wheel, the first bolt, connection aluminum corner brace, threephase asynchronous, the second bolt, lobus dexter wheel, peace
Fill chunking, right spiral case, third bolt, the 4th bolt, mounting rack, air outlet, third rivet, top plate, mounting rack substrate, mounting rack
Stiffening plate, motor installation base plate, motor installation backing plate, reinforces supporting plate, core wheel, the first rivet, the second rivet, leaf at installation gusset
Wheel disc before wheel rear trochal disc, blade, impeller；The mounting rack by mounting rack substrate, mounting rack stiffening plate, motor installation base plate,
Motor installation backing plate, reinforcement supporting plate are connected by welding manner；Specifically, mounting rack substrate is logical with motor installation base plate respectively
It crosses welding manner to be connected, is attached fixation by reinforcing supporting plate between mounting rack substrate, has in the outer wall of mounting rack substrate
The mounting rack stiffening plate connected by welding manner；Motor installation base plate is connected with motor installation backing plate by welding manner,
It is equipped on motor installation backing plate through the 4th bolted threephase asynchronous；The left end face of the mounting rack substrate
The left spiral case of master screw line style is installed, and left spiral case is connected by third bolt with mounting rack substrate；The mounting rack base
The right end face of plate is equipped with the right spiral case of master screw line style, and right spiral case is connected by third bolt with mounting rack substrate；
The left spiral case is made up of with the second side plate and air outlet, top plate plug welding welding manner the first side plate；First side plate
On have installation chunking by third rivet interlacement, on the lateral surface of left spiral case, air inlet passes through on bolt and left spiral case
Chunking is installed to be connected, the bottom of the left spiral case is equipped with installation gusset, and installs gusset and pass through welding manner and left spiral case phase
Even, installation gusset is connected by third bolt with mounting rack substrate, the second side plate with to connect aluminum corner brace connected by the second bolt
It connects；The right spiral case is made up of with the second side plate and air outlet, top plate plug welding welding manner the first side plate；First side
There is the installation chunking by third rivet interlacement on plate, on the lateral surface of right spiral case, air inlet passes through the first bolt and right snail
Installation chunking on shell is connected, and the bottom of the right spiral case is equipped with installation gusset, and installs gusset and pass through welding manner and the right side
Spiral case is connected, and installation gusset is connected by third bolt with mounting rack substrate, and the second side plate passes through the second spiral shell with aluminum corner brace is connect
Bolt is connected；The left side shaft of the threephase asynchronous is equipped with lobus sinister wheel, and the lobus sinister wheel and three-phase asynchronous electric
Machine is connected by pin, and the lobus sinister wheel is by core wheel, the first rivet, the second rivet, impeller rear trochal disc, blade, impeller front-wheel
Disk is made by riveting method, specifically, the outer wall of the core wheel is equipped with impeller rear trochal disc by the first rivet；It is described
The left side outer wall of impeller rear trochal disc is equipped with wheel disc before impeller by blade, and impeller rear trochal disc and wheel disc before blade and impeller are equal
It is connected by the second rivet；The right side shaft of the threephase asynchronous is equipped with lobus dexter wheel, and the lobus dexter wheel and three
Phase asynchronous motor is connected by pin, and the lobus dexter wheel is by core wheel, the first rivet, the second rivet, impeller rear trochal disc, leaf
Wheel disc is made by riveting method before piece, impeller, specifically, the outer wall of the core wheel is equipped with impeller by the first rivet
Rear trochal disc；The left side outer wall of the impeller rear trochal disc is equipped with wheel disc before impeller by blade, and impeller rear trochal disc and blade and
Wheel disc passes through the second rivet and is connected before impeller；The threephase asynchronous is installed on mounting rack by the 4th bolt,
And lobus sinister wheel is installed on the left of threephase asynchronous, lobus dexter wheel, peace on the outside of left spiral case are installed on the right side of threephase asynchronous
Equipped with air inlet, and left spiral case is installed on mounting rack by installing gusset, and lobus sinister wheel is fixed on inside left spiral case；Outside right spiral case
Side is equipped with air inlet, and right spiral case is installed on mounting rack by installing gusset, and lobus dexter wheel is fixed on inside right spiral case, and left
It is fixed between spiral case and right spiral case by connecting aluminum corner brace.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
Left spiral case described in double-impeller centrifugal ventilation blower and right spiral case are bilateral symmetry formula structure setting, and the bottom of left spiral case and right spiral case
Installation gusset is provided with to be connected by bolt with mounting rack substrate.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
Lobus sinister wheel described in double-impeller centrifugal ventilation blower and lobus dexter wheel are bilateral symmetry formula structure setting, and lobus sinister wheel and lobus dexter wheel are by wheel
Wheel disc rivets before core, the first rivet, the second rivet, impeller rear trochal disc, blade, impeller.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
Blade described in double-impeller centrifugal ventilation blower is Q345E plate, and quantity is 60, and the blade passes through four sleeve forming Mold Makings
It forms, and the vane foil is arc-shaped, the inner wall side annular in shape for being evenly distributed on wheel disc and impeller rear trochal disc before impeller
Edge.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
Impeller front disc described in double-impeller centrifugal ventilation blower and blade and impeller rear trochal disc, core wheel pass through riveting method composition lobus sinister wheel and the right side
Impeller, and lobus sinister wheel and lobus dexter wheel are by wheel disc, 60 blades, 1 impeller rear trochal disc, 240 the second rivets, 6 before 1 impeller
A first rivet and a core wheel composition.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
Lobus sinister wheel is set in left spiral case described in double-impeller centrifugal ventilation blower, lobus dexter wheel is set in right spiral case, and lobus sinister wheel, lobus dexter wheel are
The setting of forward multiple wing formula riveted structure.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
The arc-shaped shape setting of top plate appearance described in double-impeller centrifugal ventilation blower, and the first side plate is set with the second side board edge along spiral case inlet pressure
It is equipped with groove, and the junction of top plate and groove is all made of the connection of plug welding welding manner.
As advanced optimizing for the technical program, a kind of motor train unit converter of the utility model is riveted with forward multiple wing formula
The model 20# of core wheel described in double-impeller centrifugal ventilation blower, and core wheel be fixed on by round nut with check washer it is phase asynchronous
On motor.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the left spiral case of the utility model and right spiral case are bilateral symmetry formula structure setting, and the bottom of left spiral case and right spiral case
It is provided with the setting that installation gusset is connected by bolt with mounting rack substrate, strengthens the support of left spiral case Yu right spiral case,
Under the premise of ensure that left spiral case and right spiral case integral rigidity intensity simultaneously, reach left spiral case and the overall weight of right spiral case most
Lightweight is horizontal.
2, the utility model installation chunking is with a thickness of 8mm stainless steel band chamfering square, and the centre for installing chunking offers
The setting of threaded hole is used, both sides aperture for installing air inlet duct bolt, is fixed on the first side of spiral case for chunking is installed using rivet
On plate, solve the problems, such as that air inlet duct is dismantled caused riveting nut and loosened.
3, the arc-shaped shape setting of the utility model top plate appearance, and the first side plate is set with the second side board edge along spiral case inlet pressure
Reeded setting is set, is conducive to reduce the welding deformation between the first side plate and the second side plate and top plate, guarantees the second side plate
Flatness, use plug welding welding procedure, and the junction of top plate and groove be all made of plug welding welding manner connection, both subtracted
Deformation is big caused by small weld seam is more, improves the appearance of spiral case, and increases the welding precision and consistency of spiral case.
4, the utility model is by riveting double-impeller centrifugal ventilation blower to a kind of motor train unit converter forward multiple wing formula
Improve, have efficiently, low noise, simple and compact for structure, space be small and high reliablity, convenient for what is installed in motor train unit converter
Advantage, thus the problem of effective solution the utility model proposes in the background technology and deficiency.
5, lobus sinister wheel, lobus dexter wheel involved in the utility model, is a kind of complete riveted type impeller, and blade passes through blanking
Mould, piercing die, trimming die and sizing die are made, and ensure that each the vane size, the consistency of weight, to raising impeller
Production precision, stability all played good action, while being completed by the way of punching machine punch rivet core wheel with after
The riveting of wheel disc, blade and forward and backward wheel disc so that the stress of each rivet can be effectively controlled, impeller it is safe and reliable
Property further increases.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description do not constitute improper limits to the present invention, for explaining the utility model in attached drawing
In:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the volute structure schematic diagram of the utility model；
Fig. 3 is wheel disc and blade and impeller rear trochal disc side structure schematic view before the impeller of the utility model；
Fig. 4 is the blade and impeller rear trochal disc overlooking structure diagram of the utility model；
Fig. 5 is the mounting rack schematic diagram of the utility model.
In figure: left spiral case 1, the first side plate 2, the second side plate 3, air inlet 4, lobus sinister wheel 5, the first bolt 6, connection aluminum corner brace 7,
Threephase asynchronous 8, the second bolt 9, lobus dexter wheel 10, installation chunking 11, right spiral case 12, third bolt 13, the 4th bolt 14,
Mounting rack 15, air outlet 16, third rivet 17, top plate 18, mounting rack substrate 19, mounting rack stiffening plate 20, installation gusset 21, electricity
Machine installation base plate 22, reinforces supporting plate 24, core wheel 25, the first rivet 26, the second rivet 27, impeller rear-wheel at motor installation backing plate 23
Wheel disc 30 before disk 28, blade 29, impeller.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also indirectly connected through an intermediary, for the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 5, the utility model provide a kind of motor train unit converter forward multiple wing formula riveting bilobed wheel from
The particular technique embodiment of heart ventilation blower:
A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower, comprising: left spiral case 1, the first side
Plate 2, the second side plate 3, air inlet 4, lobus sinister wheel 5, the first bolt 6, connection aluminum corner brace 7, threephase asynchronous 8, the second bolt 9,
Lobus dexter wheel 10, installation chunking 11, right spiral case 12, third bolt 13, the 4th bolt 14, mounting rack 15, air outlet 16, third rivet
17, top plate 18, mounting rack substrate 19, mounting rack stiffening plate 20, installation gusset 21, motor installation base plate 22, motor install backing plate
23, wheel disc 30 before reinforcement supporting plate 24, core wheel 25, the first rivet 26, the second rivet 27, impeller rear trochal disc 28, blade 29, impeller；
Mounting rack 15 is by mounting rack substrate 19, mounting rack stiffening plate 20, motor installation base plate 22, motor installation backing plate 23, reinforcement supporting plate
24 are connected by welding manner；Specifically, mounting rack substrate 19 is connected with motor installation base plate 22 by welding manner respectively
It connects, is attached fixation by reinforcing supporting plate 24 between mounting rack substrate 19, has in the outer wall of mounting rack substrate 19 and pass through welding
The mounting rack stiffening plate 20 that mode connects；Motor installation base plate 22 is connected with motor installation backing plate 23 by welding manner, electricity
The threephase asynchronous 8 connected by the 4th bolt 14 is installed on machine installation backing plate 23；The left-hand end of mounting rack substrate 19
Face is equipped with the left spiral case 1 of master screw line style, and left spiral case 1 is connected by third bolt 13 with mounting rack substrate 19；Installation
The right end face of frame substrate 19 is equipped with the right spiral case 12 of master screw line style, and right spiral case 12 passes through third bolt 13 and mounting rack
Substrate 19 is connected；Left spiral case 1 is to pass through plug welding welding manner by the first side plate 2 and the second side plate 3 and air outlet 16, top plate 18
It is formed；There are the installation chunking 11 connected by third rivet 17, on the lateral surface of left spiral case 1, air inlet on first side plate 2
4 are connected by bolt 1 with the installation chunking 11 on left spiral case 1, and the bottom of left spiral case 1 is equipped with installation gusset 21, and established angle
Plate 21 is connected by welding manner with left spiral case 1, and installation gusset 21 is connected by third bolt 13 with mounting rack substrate 19, the
Two side plates 3 with connect aluminum corner brace 7 and be connected by the second bolt 9；Right spiral case 12 is by the first side plate 2 and the second side plate 3 and outlet air
Mouth 16, top plate 18 are made up of plug welding welding manner；There is the installation chunking connected by third rivet 17 on first side plate 2
11, on the lateral surface of right spiral case 1, air inlet 4 is connected by bolt 1 with the installation chunking 11 on right spiral case 1, right spiral case 1
Bottom is equipped with installation gusset 21, and installs gusset 21 and be connected by welding manner with right spiral case 1, and installation gusset 21 passes through third
Bolt 13 is connected with mounting rack substrate 19, the second side plate 3 with connect aluminum corner brace 7 and be connected by the second bolt 9；Phase asynchronous electricity
The left side shaft of motivation 8 is equipped with lobus sinister wheel 5, and lobus sinister wheel 5 is connected with threephase asynchronous 8 by pin, lobus sinister wheel 5
Riveting method system is passed through by wheel disc 30 before core wheel 25, the first rivet 26, the second rivet 27, impeller rear trochal disc 28, blade 29, impeller
It forms, specifically, the outer wall of core wheel 25 is equipped with impeller rear trochal disc 28 by the first rivet 26；The left side of impeller rear trochal disc 28
Outer wall is equipped with wheel disc 30 before impeller by blade 29, and before impeller rear trochal disc 28 and blade 29 and impeller wheel disc 30 by the
Two rivets 27 are connected；The right side shaft of threephase asynchronous 8 is equipped with lobus dexter wheel 10, and lobus dexter wheel 10 and phase asynchronous electricity
Motivation 8 is connected by pin, and lobus dexter wheel 10 is by core wheel 25, the first rivet 26, the second rivet 27, impeller rear trochal disc 28, blade
29, wheel disc 30 is made by riveting method before impeller, specifically, the outer wall of core wheel 25 is equipped with leaf by the first rivet 26
Take turns rear trochal disc 28；The left side outer wall of impeller rear trochal disc 28 is equipped with wheel disc 30 before impeller, and impeller rear trochal disc 28 by blade 29
It is connected by the second rivet 27 with wheel disc 30 before blade 29 and impeller；Threephase asynchronous 8 is pacified by the 4th bolt 14
Loaded on mounting rack 15, and lobus sinister wheel 5 is installed on the left of threephase asynchronous 8, the right side is installed on the right side of threephase asynchronous 8
Impeller 10 is equipped with air inlet 4 on the outside of left spiral case 1, and left spiral case 1 is installed on mounting rack 15 by installing gusset 21, lobus sinister
Wheel 5 is fixed on inside left spiral case 1；Air inlet 4 is installed, and right spiral case 12 is installed on by installing gusset 21 on the outside of right spiral case 12
On mounting rack 15, lobus dexter wheel 10 is fixed on inside right spiral case 12, and solid by connection aluminum corner brace 7 between left spiral case 1 and right spiral case 12
It is fixed.
Specifically, left spiral case 1 and right spiral case 12 are bilateral symmetry formula structure setting, and the bottom of left spiral case 1 and right spiral case 12
Portion is provided with installation gusset 21 and is connected by third bolt 13 with mounting rack substrate 19, and left spiral case 1 and right spiral case 12 are
It is made by the technique of plug welding.
Specifically, lobus sinister wheel 5 and lobus dexter wheel 10 are bilateral symmetry formula structure setting, lobus sinister wheel 5 and lobus dexter wheel 10 are by core wheel
25, wheel disc 30 rivets before the first rivet 26, the second rivet 27, impeller rear trochal disc 28, blade 29, impeller, and blade 29 is
Q345E plate, quantity is 60, and blade 29 is formed by four sleeve forming Mold Makings, and 29 blade profile of blade is arc-shaped, is in
Annular shape is evenly distributed on the inner wall edge of wheel disc 30 and impeller rear trochal disc 28 before impeller.
Specifically, wheel disc 30 and blade 29 and impeller rear trochal disc 28, core wheel 25 constitute lobus sinister by riveting method before impeller
Wheel 5 and lobus dexter wheel 10, and lobus sinister wheel 5 and lobus dexter wheel 10 are by 30,60, wheel disc, 29,1, blade impeller rear trochal disc before 1 impeller
28,240 the second rivets, 27,6 the first rivets 26 and a core wheel 25 form.
Specifically, being respectively arranged with lobus sinister wheel 5 and lobus dexter wheel 10, and lobus sinister wheel 5 and lobus dexter in left spiral case 1 and right spiral case 12
Wheel 10 is arranged for forward multiple wing formula riveted structure, while the increase third on the inside of the first side plate 2 of left spiral case 1 and right spiral case 12
The fixed installation chunking 11 of rivet 17.
Specifically, installing chunking 11 with a thickness of 8mm stainless steel band chamfering square, and the centre for installing chunking 11 offers spiral shell
Pit, shape is evenly arranged in a ring for installation chunking 11, will be installed chunking 11 using third rivet 17 and is fixed on left spiral case 1 and right snail
On 2 outer wall of the first side plate of shell 12, riveting nut caused by structure very good solution air inlet duct is dismantled loosens problem.
Specifically, the arc-shaped shape setting of 18 appearance of top plate, and the first side plate 2 is set with 3 edge of the second side plate along spiral case inlet pressure
It is equipped with groove, and top plate 18 is all made of plug welding welding manner with the junction of groove and connect, and improves the positioning accuracy of spiral case
And presentation quality, also reduce the welding deformation of entire spiral case.
Specifically, the model 20# of core wheel 25, and core wheel 25 be fixed on by round nut with check washer it is phase asynchronous
On motor 8.
Specific implementation step:
Power on first, opens threephase asynchronous 8 and switch, and is in operating status, in threephase asynchronous 8
Motor shaft drive the lobus dexter wheel 10 in lobus sinister wheel 5 and right spiral case 12 in left spiral case 1 to be rotated, and impeller be forward multiple wing
The setting of formula riveted structure；In the installation chunking that left spiral case 1 is fixed with the 2 useful third rivet 17 in inside of the first side plate of right spiral case 12
11, for the consistency for guaranteeing blade forming, molding link is special four molds, respectively blanking die, stamping die, sizing die and
Trimming die ensure that a piece of consistency in terms of size and weight, meanwhile, for guarantee riveting process in blade 20 rivet by
Power is consistent, special to have two sets of blade riveting die sets, and carries out punching press using rivet of the punching machine to each blade, no matter to reach
It is all accurate consistent purpose of appearance or rivet stress, had both improved the appearance production technique of entire impeller, and also improved leaf
Take turns the reliability of production；The arc-shaped shape setting of 18 appearance of top plate, and the first side plate 2 is set with 3 edge of the second side plate along spiral case inlet pressure
It is equipped with groove, and top plate 18 is all made of plug welding welding manner with the junction of groove and connect, guarantees the plane of the second side plate 3
Degree, deformation caused by not only having reduced weld seam mostly is big, but also improves the appearance of left spiral case 1 and right spiral case 12, passes through the connection master of aluminum corner brace 7
The stationary positioned being used between left spiral case 1 and right spiral case 12, guarantee left spiral case 1 at a distance from right spiral case 12 and the depth of parallelism, together
When certain supporting role is played to the rigidity of structure of entire blower, so that left spiral case 1 and the vibration velocity control of right spiral case 12 is existed
2.8mm/s following；Chunking 11 is installed with a thickness of 8mm stainless steel band chamfering square, and the centre for installing chunking 11 offers screw thread
Hole, shape is uniformly mounted on the outer wall of the first side plate 2 in a ring for installation chunking 11, is fixed on a left side for chunking 11 is installed using rivet
On 2 outer wall of the first side plate of spiral case 1 and right spiral case 12, riveting nut caused by structure very good solution air inlet duct is dismantled loosens
Problem, by the setting of the utility model, so that entire blower all has advanced and safety from manufacture link is designed into, therefore
Entire blower has both in test link and has excellent performance with high reliability, and the performance and noise level of entire blower also reach
Good level.
In summary: a kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower passes through left snail
Shell and right spiral case are bilateral symmetry formula structure setting, and the bottom of left spiral case and right spiral case is provided with installation gusset and passes through bolt
The setting being connected with mounting rack substrate strengthens the support of left spiral case Yu right spiral case, while ensure that left spiral case and right snail
Under the premise of shell integral rigidity intensity, so that the overall weight of left spiral case and right spiral case is reached most lightweight level, pass through installation group
Block is with a thickness of 8mm stainless steel band chamfering square, and the centre for installing chunking offers the setting of threaded hole, for installing air inlet duct
Bolt is used, both sides aperture, is fixed on the first side plate of spiral case, is solved caused by air inlet duct disassembly by chunking is installed using rivet
Riveting nut loosens problem, is arranged by the arc-shaped shape of top plate appearance, and the first side plate is set with the second side board edge along spiral case inlet pressure
Reeded setting is set, is conducive to reduce the welding deformation between the first side plate and the second side plate and top plate, guarantees the second side plate
Flatness, use plug welding welding procedure, and the junction of top plate and groove be all made of plug welding welding manner connection, both subtracted
Deformation caused by small weld seam is more is big, and improves the appearance of spiral case, improves the consistency of spiral case positioning, and it is multiple to solve structure
It is miscellaneous, noise is big, occupied space is big, is inconvenient to the problem installed, performance is low, pass through the riveting of blade and impeller front disc, impeller hub disk
It connects, has not only solved the problems, such as blade positioning accuracy, but also reduce welding deformation, while riveting for bending welding, tool
There are higher reliability and production efficiency, solve security risk caused by leaf abscission, improves the operational safety water of vehicle
It is flat.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of motor train unit converter rivets double-impeller centrifugal ventilation blower with forward multiple wing formula, comprising: left spiral case (1), the first side
Plate (2), the second side plate (3), air inlet (4), lobus sinister wheel (5), the first bolt (6), connection aluminum corner brace (7), threephase asynchronous
(8), the second bolt (9), lobus dexter wheel (10), installation chunking (11), right spiral case (12), third bolt (13), the 4th bolt (14),
Mounting rack (15), air outlet (16), third rivet (17), top plate (18), mounting rack substrate (19), mounting rack stiffening plate (20),
Gusset (21) are installed, motor installation base plate (22), motor installation backing plate (23), reinforce supporting plate (24), core wheel (25), the first rivet
(26), wheel disc (30) before the second rivet (27), impeller rear trochal disc (28), blade (29), impeller；It is characterized by: the peace
Shelve (15) by mounting rack substrate (19), mounting rack stiffening plate (20), motor installation base plate (22), motor installation backing plate (23),
Reinforce supporting plate (24) to be connected by welding manner；Specifically, mounting rack substrate (19) is logical with motor installation base plate (22) respectively
It crosses welding manner to be connected, fixation is attached by reinforcing supporting plate (24) between mounting rack substrate (19), in mounting rack substrate
(19) outer wall has the mounting rack stiffening plate (20) connected by welding manner；Motor installation base plate (22) and motor install backing plate
(23) it is connected by welding manner, is equipped in motor installation backing plate (23) through the phase asynchronous of the 4th bolt (14) connection
Motor (8)；The left end face of the mounting rack substrate (19) is equipped with the left spiral case of master screw line style (1), and left spiral case (1)
It is connected by third bolt (13) with mounting rack substrate (19)；The right end face of the mounting rack substrate (19) is equipped with standard
The right spiral case of spiral line type (12), and right spiral case (12) is connected by third bolt (13) with mounting rack substrate (19)；The left side
Spiral case (1) is to pass through plug welding welding manner institute group by the first side plate (2) and the second side plate (3) and air outlet (16), top plate (18)
At；There is the installation chunking (11) connected by third rivet (17) on first side plate (2), on the lateral surface of left spiral case (1), into
Air port (4) is connected by bolt with the installation chunking (11) on left spiral case (1), and the bottom of the left spiral case (1) is equipped with installation
Gusset (21), and gusset (21) are installed and are connected by welding manner with left spiral case (1), installation gusset (21) passes through third bolt
(13) be connected with mounting rack substrate (19), the second side plate (3) with connect aluminum corner brace (7) and be connected by the second bolt (9)；It is described
Right spiral case (12) is to pass through plug welding welding manner institute by the first side plate (2) and the second side plate (3) and air outlet (16), top plate (18)
Composition；There are the installation chunking (11) connected by third rivet (17), the lateral surface in right spiral case (12) on first side plate (2)
On, air inlet (4) is connected by bolt with the installation chunking (11) on right spiral case (12), the bottom installation of the right spiral case (12)
Have installation gusset (21), and gusset (21) are installed and are connected with right spiral case (12) by welding manner, gusset (21) are installed and pass through the
Three bolts (13) are connected with mounting rack substrate (19), the second side plate (3) with connect aluminum corner brace (7) by the second bolt (9) be connected
It connects；The left side shaft of the threephase asynchronous (8) is equipped with lobus sinister wheel (5), and the lobus sinister wheel (5) and phase asynchronous electricity
Motivation (8) is connected by pin, and the lobus sinister wheel (5) is by core wheel (25), the first rivet (26), the second rivet (27), impeller
Wheel disc (30) is made by riveting method before rear trochal disc (28), blade (29), impeller, specifically, the core wheel (25)
Outer wall is equipped with impeller rear trochal disc (28) by the first rivet (26)；The left side outer wall of the impeller rear trochal disc (28) passes through blade
(29) wheel disc (30) before impeller is installed, and wheel disc (30) passes through second before impeller rear trochal disc (28) and blade (29) and impeller
Rivet (27) is connected；The right side shaft of the threephase asynchronous (8) is equipped with lobus dexter wheel (10), and the lobus dexter wheel
(10) be connected with threephase asynchronous (8) by pin, the lobus dexter wheel (10) by core wheel (25), the first rivet (26),
Wheel disc (30) is made by riveting method before second rivet (27), impeller rear trochal disc (28), blade (29), impeller, specifically
For the outer wall of the core wheel (25) is equipped with impeller rear trochal disc (28) by the first rivet (26)；The impeller rear trochal disc (28)
Left side outer wall wheel disc (30) before impeller is installed by blade (29), and before impeller rear trochal disc (28) and blade (29) and impeller
Wheel disc (30) is connected by the second rivet (27)；The threephase asynchronous (8) is installed on by the 4th bolt (14)
It on mounting rack (15), and is equipped with lobus sinister wheel (5) on the left of threephase asynchronous (8), installation on the right side of threephase asynchronous (8)
Have lobus dexter wheel (10), be equipped with air inlet (4) on the outside of left spiral case (1), and left spiral case (1) is installed on by installing gusset (21)
It shelves on (15), it is internal that lobus sinister wheel (5) is fixed on left spiral case (1)；It is equipped with air inlet (4) on the outside of right spiral case (12), and right snail
Shell (12) is installed on mounting rack (15) by installing gusset (21), and it is internal and left that lobus dexter wheel (10) is fixed on right spiral case (12)
It is fixed by connection aluminum corner brace (7) between spiral case (1) and right spiral case (12).
2. a kind of motor train unit converter according to claim 1 rivets double-impeller centrifugal ventilation blower with forward multiple wing formula,
Be characterized in that: the left spiral case (1) and right spiral case (12) are bilateral symmetry formula structure setting, and left spiral case (1) and right spiral case
(12) bottom is provided with installation gusset (21) and is connected by third bolt (13) with mounting rack substrate (19).
3. a kind of motor train unit converter according to claim 1 rivets double-impeller centrifugal ventilation blower with forward multiple wing formula,
Be characterized in that: the lobus sinister wheel (5) is bilateral symmetry formula structure setting, the lobus sinister wheel (5) and lobus dexter wheel with lobus dexter wheel (10)
(10) by wheel disc before core wheel (25), the first rivet (26), the second rivet (27), impeller rear trochal disc (28), blade (29), impeller
(30) it rivets, blade (29) is Q345E plate, and it is in annulus that quantity, which is 60, and the blade (29) blade profile is arc-shaped
Shape is evenly distributed on the inner wall edge of wheel disc (30) and impeller rear trochal disc (28) before impeller.
4. a kind of motor train unit converter according to claim 1 rivets double-impeller centrifugal ventilation blower with forward multiple wing formula,
Be characterized in that: wheel disc (30) and blade (29) and impeller rear trochal disc (28), core wheel (25) pass through riveting method structure before the impeller
At lobus sinister wheel (5) and lobus dexter wheel (10), and lobus sinister wheel (5) and lobus dexter wheel (10) are by wheel disc (30), 60 blades before 1 impeller
(29), 1 impeller rear trochal disc (28), 240 the second rivets (27), 6 the first rivets (26) and core wheel (25) composition.
5. a kind of motor train unit converter according to claim 1 rivets double-impeller centrifugal ventilation blower with forward multiple wing formula,
Be characterized in that: the installation chunking (11) is thickness 8mm stainless steel band chamfering square, and the centre for installing chunking (11) offers
Threaded hole, two sides are opened there are two through-hole, and are fixed on left spiral case (1) and right spiral case (12) by third rivet (17).
6. a kind of motor train unit converter according to claim 1 rivets double-impeller centrifugal ventilation blower with forward multiple wing formula,
It is characterized in that: the arc-shaped shape setting of top plate (18) appearance, and the first side plate (2) and the second side plate (3) edge are along volute type
Line setting is fluted, and top plate (18) is all made of plug welding welding manner with the junction of groove and connect.
7. a kind of motor train unit converter according to claim 1 rivets double-impeller centrifugal ventilation blower with forward multiple wing formula,
It is characterized in that: the model 20# of the core wheel (25), and to be fixed on three with check washer by round nut different for core wheel (25)
It walks on motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821499484.9U CN208885551U (en) | 2018-09-13 | 2018-09-13 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821499484.9U CN208885551U (en) | 2018-09-13 | 2018-09-13 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
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| Publication Number | Publication Date |
|---|---|
| CN208885551U true CN208885551U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821499484.9U Active CN208885551U (en) | 2018-09-13 | 2018-09-13 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953175A (en) * | 2018-09-13 | 2018-12-07 | 株洲联诚集团控股股份有限公司 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
-
2018
- 2018-09-13 CN CN201821499484.9U patent/CN208885551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953175A (en) * | 2018-09-13 | 2018-12-07 | 株洲联诚集团控股股份有限公司 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
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