CN205841248U - A kind of traction converter of motor train unit cooling blower without scroll casing type - Google Patents
A kind of traction converter of motor train unit cooling blower without scroll casing type Download PDFInfo
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- CN205841248U CN205841248U CN201620241887.8U CN201620241887U CN205841248U CN 205841248 U CN205841248 U CN 205841248U CN 201620241887 U CN201620241887 U CN 201620241887U CN 205841248 U CN205841248 U CN 205841248U
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- motor
- cooling blower
- current collector
- air intake
- scroll casing
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Abstract
This utility model provides a kind of traction converter of motor train unit cooling blower without scroll casing type, including fan installation frame and the air intake current collector, centrifugal impeller and the motor that are hung on described fan installation frame and the most sequentially coaxially arrange；Described fan installation frame include the air intake current collector installing plate being vertically arranged and horizontally disposed motor mounting plate and the two vertically connect, described air intake current collector installing plate is fixing with air intake current collector to be connected, the motor fixing frame for connecting motor it is provided with on described motor mounting plate, and its two ends are additionally provided with and connect the channel-section steel of mounting rail in converter cabinet, described centrifugal impeller includes the centrifugeblade of 5 arc plate structures, its angle of outlet is 29.2 °, and 1.1 times that its projected length on rear trochal disc is centrifugal impeller radius length.This cooling blower uses single impeller pneumatic structure, reduces overall dimensions and the weight of blower fan, and by improving blade construction, improves performance of ventilating, alleviate noise and vibration.
Description
Technical field
This utility model relates to ventilating machinary technical field, in particular it relates to a kind of traction converter of motor train unit without scroll casing type
Use cooling blower.
Background technology
Along with the fast development of track traffic industry, people's comfortableness for public transportation equipment and the weight of unit power
Amount requires more and more higher, particularly EMU, and the size of level of noise and the weight size of unit power are to evaluate it
The important indicator that whether superior in quality equipment performance is, therefore, on the premise of meeting performance of ventilating requirement, in EMUs
Cooling blower should try one's best to the direction of low noise, low vibration, lightweight and densification design.
According to the design requirement of traction convertor cooling blower, blower fan should be arranged on converter cabinet inside and pass through channel-section steel
Fixing with mounting rail and be connected, motor is horizontal installation, and blower fan each performance parameter condition is: flow is not less than 1.4m3/ s, quiet
Pressure is less than 3mm/s not less than 1000Pa, vibration velocity, and level of noise is less than 83dB (A)；And according to traditional similar
The design of type centrifugal blower, the angle of outlet of blade generally 30 °～45 °, length range are the 0.8-1.0 of impeller radius
Times, in the case of satisfied regulation pneumatic efficiency, blower fan at least needs to install 8 centrifugeblades, and its gross weight can be caused to exceed
70kg, and the total pressure efficiency of blower fan is typically between 50～60%, there is also bigger room for promotion.
Utility model content
For overcoming the overall dimensions that above-mentioned cooling blower exists and the technical problem that weight is bigger than normal and total pressure efficiency is the highest, this practicality
The traction converter of motor train unit cooling blower that a kind of compact conformation of novel offer, low noise be low shakes, total pressure efficiency is high.
A kind of traction converter of motor train unit cooling blower without scroll casing type, including fan installation frame and be hung on described blower fan
Air intake current collector, centrifugal impeller and the motor on installing rack and the most sequentially coaxially arranged；Described air intake current collector is
Back taper arc, can play the effect of current collector, and described fan installation frame includes air intake current collector installing plate and the water being vertically arranged
Putting down the motor mounting plate arranged and the two vertically connects, described air intake current collector installing plate is fixing with described air intake current collector even
Connect, described motor mounting plate is provided with the motor fixing frame for connecting described motor, and the two ends of described motor mounting plate
It is additionally provided with channel-section steel, for the mounting rail being arranged in converter cabinet by described cooling blower.
Described centrifugal impeller includes the front wheel disc being coaxially disposed in the horizontal direction, rear trochal disc, core wheel and is arranged at two wheels
Fixing, between dish and with the two, the multiple centrifugeblades being connected, described centrifugeblade is arc plate structure, and (blade exists its angle of outlet
Bearing of trend line at impeller air outlet position and impeller angle between the tangent line of this position.) be 25 °～35 ° and
Its 1.05～1.15 times that projected length is described centrifugal impeller radius length on wheel disc in the rear, described core wheel is fixing to be set
Being placed on described rear trochal disc and link with the rotary shaft of described motor, two wheel discs all use spinning turnup structure, play diffusion
Act on to improve the pneumatic efficiency of impeller, also add self rigidity simultaneously, decrease welding deformation.
According to a preferred embodiment of the present utility model, the angle of outlet of described centrifugeblade is 29.2 °, and it is in the rear
Projected length on wheel disc is 1.1 times of described centrifugal impeller radius length.
According to a preferred embodiment of the present utility model, the quantity of described centrifugeblade is 5.
According to a preferred embodiment of the present utility model, described motor uses wide temperature oils and fats bearing, and its operating temperature range is
-40 DEG C～160 DEG C, can avoid because variations in temperature fan runs the impact brought.
According to a preferred embodiment of the present utility model, described fan installation frame being additionally provided with reinforcement, its material uses
304 rustless steels and by panel beating parts welding make, to improve its structural strength.
According to a preferred embodiment of the present utility model, it is provided with in the junction of described channel-section steel with described motor mounting plate and subtracts
Shake pad, its material is rubber.
According to a preferred embodiment of the present utility model, described motor fixing frame is bent into a few font, and local by sheet metal component
Hollow out duplicate removal, in the case of ensureing blower fan bulk strength, reduce blower fan weight as far as possible.
The technical scheme that this utility model provides has the advantages that
1, described cooling blower have employed the blade wheel structure of the little angle of outlet, designing long blades, can be effectively improved the pneumatic of blower fan
Performance, reduces the flow losses of blower fan, noise and vibration, and improves fan efficiency.
2, described cooling blower uses the single impeller pneumatic structure without scroll casing type, by the way of local hollows out and reduces blade
Alleviate the deadweight of equipment, reduce the weight of unit power.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, drawings discussed below is only embodiments more of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Other accompanying drawing, wherein:
Fig. 1 is the side structure schematic diagram of this utility model preferred embodiment；
Fig. 2 is the Facad structure schematic diagram of embodiment illustrated in fig. 1；
Fig. 3 is the side sectional view of the centrifugal impeller of embodiment illustrated in fig. 1；
Fig. 4 is the Facad structure schematic diagram of the centrifugal impeller of embodiment illustrated in fig. 1；
In figure: the angle of outlet of A centrifugeblade；1 fan installation frame, 2 air intake current collectors, 3 centrifugal impellers, 4 motors, 5
Motor fixing frame, 6 channel-section steels, 7 cushions；11 air intake current collector installing plates, 12 motor mounting plates；Wheel disc before 31,32
Rear trochal disc, 33 centrifugeblades, 34 core wheels.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The all other embodiments obtained, broadly fall into the scope of this utility model protection.
See Fig. 1 and Fig. 2, a kind of traction converter of motor train unit cooling blower without scroll casing type, including fan installation frame 1,
Air intake current collector 2, centrifugal impeller 3, motor 4, motor fixing frame 5, channel-section steel 6 and cushion 7.Described fan installation frame
1 include the air intake current collector installing plate 1 being vertically arranged and horizontally disposed motor mounting plate 12 and the two vertically connect；Described
Air intake current collector 2, described centrifugal impeller 3 and described motor 4 are all hung on described fan installation frame 1, and three is along water
Square to sequentially coaxially arranging, wherein said air intake current collector 2 be back taper arc and with described air intake current collector installing plate 11
Fixing connection, can play the effect of current collector, and described motor 4 is by described motor fixing frame 5 and described motor mounting plate 12
Fixing connection；Described channel-section steel 6 is arranged at the two ends of described motor mounting plate 12, for described cooling blower is arranged on change
On mounting rail in stream device cabinet.
Described centrifugal impeller 3 includes the front wheel disc 31 being coaxially disposed in the horizontal direction, rear trochal disc 32, core wheel 3 and sets
Being placed between two wheel discs and fix, with the two, 5 centrifugeblades 34 being connected, described centrifugeblade 33 is arc plate structure,
Its angle of outlet A is 29.2 °, and its in the rear the projected length on wheel disc 32 be described centrifugal impeller 3 radius length
1.1 times, described core wheel 34 is fixedly installed on described rear trochal disc 32 and links with the rotary shaft of described motor 4；Two wheels
Dish all uses spinning turnup structure, plays the diffusion action pneumatic efficiency with raising impeller, also add self rigidity simultaneously,
Decrease welding deformation.
It is provided with the cushion 7 of quality of rubber materials in the junction of described channel-section steel 6 with described motor mounting plate 12, blower fan can be suppressed
Vibration to converter cabinet transmit.
Being additionally provided with reinforcement on described fan installation frame 1, its material is used 304 rustless steels and is welded by panel beating parts
Make, to improve its structural strength.Described motor fixing frame 5 is bent into a few font by sheet metal component, and local hollows out duplicate removal,
In the case of ensureing blower fan bulk strength, reduce blower fan weight as far as possible.
Described motor 4 uses wide temperature oils and fats bearing, and its operating temperature range is-40 DEG C～160 DEG C, can avoid because of variations in temperature to
The impact that fan operation brings.
In the present embodiment, described blower fan is 1.4m at flow3In the case of/s, its static pressure is 1053Pa, and vibration velocity is
Greatly 2.8mm/s, the maximum sound pressure level of declared working condition is 80.3dB (A), complies fully with the performance parameter requirement of design,
But the gross weight of blower fan only has 62.9kg, and its total pressure efficiency reaches 69%, and be significantly better than same type is centrifuged wind without scroll casing type
Machine, even better than parts of traditional have scroll casing type centrifugal blower.
The foregoing is only preferred embodiment of the present utility model, not thereby limit scope of patent protection of the present utility model,
For a person skilled in the art, this utility model can have various modifications and variations.In spirit of the present utility model and
Within principle, every any improvement utilizing this utility model description and accompanying drawing content to be made or equivalent, directly or
Connect and be used in other relevant technical field, all should be included in scope of patent protection of the present utility model.
Claims (8)
1. the traction converter of motor train unit cooling blower without scroll casing type, it is characterised in that include fan installation frame (1)
And be hung on described fan installation frame (1) upper and the most sequentially coaxially arrange air intake current collector (2), be centrifuged
Impeller (3) and motor (4)；Described fan installation frame (1) include air intake current collector installing plate (11) that is vertically arranged and
Horizontally disposed motor mounting plate (12) and the two vertically connect, described air intake current collector installing plate (11) and described air intake
Current collector (2) is fixing to be connected, and described motor mounting plate (12) is provided with the motor for connecting described motor (4) solid
Determine frame (5), and the two ends of described motor mounting plate (12) are additionally provided with channel-section steel (6), for described cooling blower is pacified
It is contained on the mounting rail in converter cabinet；Front wheel disc (31) that described centrifugal impeller (3) includes being coaxially disposed in the horizontal direction,
Rear trochal disc (32), core wheel (34) and be arranged between two wheel discs and with the two fixing multiple centrifugeblade (33) being connected,
Described core wheel (34) is fixedly installed on upper and with described motor (4) the rotary shaft of described rear trochal disc (32) and links, described
Centrifugeblade (33) is arc plate structure, and its angle of outlet is 25 °～35 °, and its throwing on wheel disc (32) in the rear
1.05～1.15 times of shadow a length of described centrifugal impeller (3) radius length.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 1, it is characterised in that
The angle of outlet of described centrifugeblade (33) is 29.2 °, and its in the rear the projected length on wheel disc (32) be described from
1.1 times of lobus cardiacus wheel (3) radius length.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 2, it is characterised in that
The quantity of described centrifugeblade (33) is 5.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 1, it is characterised in that
Described motor (4) uses wide temperature oils and fats bearing, can avoid because variations in temperature fan runs the impact brought.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 1, it is characterised in that
Described fan installation frame is additionally provided with reinforcement on (1), and its material is used 304 rustless steels and welded by panel beating parts
Make, to improve its structural strength.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 5, it is characterised in that
The junction of described channel-section steel (6) Yu described motor mounting plate (12) is provided with cushion (7), and its material is rubber.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 1, it is characterised in that
Described motor fixing frame (5) is bent into a few font by sheet metal component, and local hollows out duplicate removal.
Traction converter of motor train unit cooling blower without scroll casing type the most according to claim 1, it is characterised in that
Described air intake current collector (2) is back taper arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241887.8U CN205841248U (en) | 2016-03-25 | 2016-03-25 | A kind of traction converter of motor train unit cooling blower without scroll casing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241887.8U CN205841248U (en) | 2016-03-25 | 2016-03-25 | A kind of traction converter of motor train unit cooling blower without scroll casing type |
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| Publication Number | Publication Date |
|---|---|
| CN205841248U true CN205841248U (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620241887.8U Active CN205841248U (en) | 2016-03-25 | 2016-03-25 | A kind of traction converter of motor train unit cooling blower without scroll casing type |
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| CN (1) | CN205841248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340157A (en) * | 2018-12-17 | 2019-02-15 | 中车大连机车研究所有限公司 | A high-maintenance integrated centrifugal fan unit |
-
2016
- 2016-03-25 CN CN201620241887.8U patent/CN205841248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340157A (en) * | 2018-12-17 | 2019-02-15 | 中车大连机车研究所有限公司 | A high-maintenance integrated centrifugal fan unit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230629 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412001 Hunan Province, Zhuzhou Shifeng District Tian Xin North Gate Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |