CN203730349U - Centralized ventilation device for tractive electric drive ventilation system of electric wheel dump truck - Google Patents
Centralized ventilation device for tractive electric drive ventilation system of electric wheel dump truck Download PDFInfo
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- CN203730349U CN203730349U CN201420099242.6U CN201420099242U CN203730349U CN 203730349 U CN203730349 U CN 203730349U CN 201420099242 U CN201420099242 U CN 201420099242U CN 203730349 U CN203730349 U CN 203730349U
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Abstract
The utility model relates to a centralized ventilation device for a tractive electric drive ventilation system of an electric wheel dump truck. The centralized ventilation device comprises a volute assembly, an impeller assembly and a sealing cover plate. The centralized ventilation device is characterized in that each of the volute assembly and the impeller assembly is of a circular arc flow guide structure, an air inlet chamber and three air outlets are formed in the volute assembly, and a flow collection component and a circular arc flow guide structure are arranged in the volute assembly. An impeller is a semi-open type centrifugal compressor impeller which is coaxially mounted with a vehicle-mounted diesel generator through a hub and provides power for synchronous rotation with the same; the air inlet end of a volute sucks air from a main air inlet passage at the top of a vehicle body through an air passage, and air enters the impeller through the air inlet chamber and the air collection component in the volute and then enters different cavities of the volute after being accelerated and pressurized by the impeller; the centrifugal compressor impeller is of a high-pressure large-flow structure, and air is delivered to a cooling component through different outlets for cooling.
Description
Technical field
The utility model relates to a kind of electric power wheel self-discharging vehicle traction electric transmission ventilation system with concentrating ventilation plant, it is a kind of heavy type mining electric power wheel self-discharging vehicle traction electric transmission ventilation system ventilation plant, the ventilation and the cooling that are applicable to mine electric wheel dump traction electric transmission ventilation system, belong to field of fluid machinery.
Background technique
Along with the increase increasingly of heavy type mining electric power wheel self-discharging vehicle car body load-carrying, and the employing of electric drive system AC Drive, the generator of its trailer system, converter plant, traction electric machine heat radiation require to increase rapidly; Because being subject to the restriction of vehicle-mounted overall space, require to concentrate ventilation plant to carry out cooling to above-mentioned parts.Chinese patent CN 20293114 U, name is called " 220t electric power wheel self-discharging vehicle traction electric transmission ventilation system " electric power wheel self-discharging vehicle ventilation system has been done to overall introduction, and having set forth electric power wheel self-discharging vehicle needs cooling parts, and concentrates the cooling mode of ventilating.This concentrated ventilation plant can be considered driver part-ventilator wherein, is the critical component that ensures the normal work of its electric transmission cooling system.
Summary of the invention
The purpose of this utility model is to overcome now ventilate deficiency, provides a kind of high pressure, high flow capacity and electric power wheel self-discharging vehicle traction electric transmission ventilation system simple and compact for structure to use and concentrates ventilation plant.
The technical solution of the utility model: a kind of electric power wheel self-discharging vehicle traction electric transmission ventilation system is with concentrating ventilation plant, comprise spiral case assembly, impeller assembly and sealed cover, it is characterized in that described spiral case assembly and centrifugal impeller assembly are circular arc flow guide structure, between spiral case assembly and semi-open centrifugal impeller, gap is 3mm; This spiral case assembly is provided with an air-inlet cavity and three exhaust outlets, and these three exhaust outlets are respectively generator exhaust outlet, converter plant exhaust outlet and traction electric machine exhaust outlet, are provided with afflux parts and circular arc flow guide structure in this spiral case assembly;
Described is equipped with and exports concordant sealing baffle at three air outlet positions of spiral case assembly, be provided with concordant sealing baffle at converter plant air outlet position, be provided with concordant sealing baffle at motor air outlet position, traction electric machine air outlet position is provided with concordant sealing baffle;
Described impeller assembly is semi-open type centrifugal compressor impeller, comprises wheel body and blade, and wheel body center hole is arranged on car body generator shaft, and cylindrical has six through holes, has the effect of fixing impeller; Impeller shaft is to from air-inlet cavity air inlet, and blade exit is radial structure, and with the each cavity joint work of spiral case assembly, impeller inlet place hub diameter is 0.64～0.65 with the ratio of blade external diameter.Described sealed cover is arranged on spiral case assembly by bolt, the air-flow in sealing spiral case.
The utility model is applied to mine electric wheel dump traction electric transmission ventilation cooling system, its object is to adapt to working environment and the mounting structure requirement of electric power wheel self-discharging vehicle, giving vehicle mounted electric transmission part centralized supply wind cooling, is to the innovation in the cooling application of electric power wheel self-discharging vehicle alternating-current actuating system.Impeller in the utility model is semi-open type centrifugal compressor impeller, and compared with this centrifugal blower of tradition, its structure has following characteristics:
First, adopt gas compressor pattern centrifugal impeller, enough air mass flows that can produce in the confined space meet the requirement to cooling-air of portable generator, converter plant and traction electric machine simultaneously; And there is enough pressure and carry cooling-air, ensured the full line running of electric drive system.
Secondly, in spiral case, each air outlet position is provided with sealing baffle, makes it to be divided into three cavitys, separate work, has weakened influencing each other between three outlets, is combined with impeller, effectively improve the operational efficiency of concentrating ventilation plant, reach the object of high pressure and high flow capacity.
Brief description of the drawings
Fig. 1 is stereo decomposing structural representation of the present utility model.
Fig. 2 is the main TV structure schematic diagram of impeller assembly.
Fig. 3 is the sectional structure schematic diagram of impeller assembly.
Fig. 4 is that the main TV structure of spiral case assembly illustrates.
Fig. 5 is that spiral case assembly A-A sectional structure illustrates.
Embodiment
With reference to above-mentioned accompanying drawing, a kind of electric power wheel self-discharging vehicle traction electric transmission ventilation system is with concentrating ventilation plant, comprise spiral case assembly 1, impeller assembly 2 and sealed cover 3, it is characterized in that described spiral case assembly 1 and centrifugal impeller assembly 2 are circular arc flow guide structure, between spiral case assembly 1 and semi-open centrifugal impeller 2, gap is 3mm; This spiral case assembly 1 is provided with an air-inlet cavity 4 and three exhaust outlets, and these three exhaust outlets are respectively generator exhaust outlet 5, converter plant exhaust outlet 6 and traction electric machine exhaust outlet 7, gives the each parts of vehicle-mounted traction electric drive system for cooling-air; In this spiral case assembly 1, be provided with afflux parts 8 and circular arc flow guide structure 9;
Described is equipped with concordant sealing baffle 10 at 1 three air outlet positions of spiral case assembly, be provided with concordant sealing baffle 101 in converter plant exhaust outlet 6 positions, be provided with concordant sealing baffle 102 in motor exhaust outlet 5 positions, traction electric machine exhaust outlet 7 positions are provided with concordant sealing baffle 103;
Described impeller assembly 2 is semi-open type centrifugal compressor impeller, comprises wheel body 11 and blade 12, and wheel body 11 center holes are arranged on portable generator axle, and six through holes of cylindrical have the effect of stationary hub; Impeller shaft is to from air-inlet cavity 4 air inlets, and blade exit is radial structure, and with the each cavity joint work of spiral case assembly 1, impeller inlet place hub diameter is 0.64～0.65 with the ratio of blade external diameter.
Described sealed cover 3 is arranged on spiral case assembly 1 by bolt.Air-flow in sealing spiral case.
Spiral case assembly, connecting impeller outlet Position Design cavity in the arc-shaped as Diffuser, carries out water conservancy diversion the supercharging of slowing down to the high velocity air of impeller outlet, is pressure energy the kinetic transformation of air-flow, effectively improves the integral pressure of ventilator.1 three air outlet positions of spiral case assembly be equipped with three of concordant sealing baffle compositions independently cavity be that each exhaust outlet is for cooling-air; Independently cavity has weakened influencing each other between three outlets, has reduced the backflow leakage rate of exit flow, has ensured centrifugal blower aeroperformance comparatively efficiently.
Impeller assembly 2 is semi-open type centrifugal compressor impeller, and impeller is made up of wheel body 11 and blade 12, and because mobile unit installing space is limited, this impeller is high pressure, large flow centrifugal impeller, can in finite size, provide each cooling-part required cooling-air.By traffic requirement, impeller inlet place hub diameter is designed to 0.647 with ratio this case of blade external diameter, and this impeller blade outlet port is radial manner, with the each cavity joint work in spiral case assembly 1, improve aeroperformance, ensured the performance characteristics of the large flow of ventilator, high pressure.Blade and wheel body are cast inblock part, can bear the internal stress that the centrifugal force of impeller in the time running up produces, and ensure bulk strength requirement.
Claims (3)
1. electric power wheel self-discharging vehicle traction electric transmission ventilation system, with concentrating a ventilation plant, comprises spiral case assembly (1), impeller assembly (2) and sealed cover (3), it is characterized in that:
A, described spiral case assembly (1) are circular arc flow guide structure with centrifugal impeller assembly (2), and between spiral case assembly (1) and semi-open centrifugal impeller (2), gap is 3mm; This spiral case assembly (1) is provided with an air-inlet cavity (4) and three exhaust outlets, these three exhaust outlets are respectively generator exhaust outlet (5), converter plant exhaust outlet (6) and traction electric machine exhaust outlet (7), are provided with afflux parts (8) and circular arc flow guide structure (9) in this spiral case assembly (1);
B, described be equipped with concordant sealing baffle (10) at (1) three air outlet position of spiral case assembly, be provided with concordant sealing baffle (101) in converter plant exhaust outlet (6) position, be provided with concordant sealing baffle (102) in motor exhaust outlet (5) position, traction electric machine exhaust outlet (7) position is provided with concordant sealing baffle (103).
2. a kind of electric power wheel self-discharging vehicle traction electric transmission ventilation system as claimed in claim 1 is with concentrating ventilation plant, it is characterized in that described impeller assembly (2) is semi-open type centrifugal compressor impeller, comprise wheel body (11) and blade (12), wheel body (11) center hole is arranged on portable generator axle, on wheel body (11), have six through holes that wheel hub is used are installed, impeller shaft is to from air-inlet cavity (4) air inlet, blade exit is radial structure, with the each cavity joint work of spiral case assembly (1), impeller inlet place hub diameter is 0.64～0.65 with the ratio of blade external diameter.
3. a kind of electric power wheel self-discharging vehicle traction electric transmission ventilation system as claimed in claim 1, with concentrating ventilation plant, is characterized in that described sealed cover (3) is arranged on spiral case assembly (1) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099242.6U CN203730349U (en) | 2014-03-06 | 2014-03-06 | Centralized ventilation device for tractive electric drive ventilation system of electric wheel dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099242.6U CN203730349U (en) | 2014-03-06 | 2014-03-06 | Centralized ventilation device for tractive electric drive ventilation system of electric wheel dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730349U true CN203730349U (en) | 2014-07-23 |
Family
ID=51200427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420099242.6U Expired - Fee Related CN203730349U (en) | 2014-03-06 | 2014-03-06 | Centralized ventilation device for tractive electric drive ventilation system of electric wheel dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730349U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065325A (en) * | 2015-08-03 | 2015-11-18 | 吉首大学 | Dust-accumulation-proof fan propeller with reverse-droplet-shaped blades and disk-shaped back plate |
| CN109057979A (en) * | 2018-06-20 | 2018-12-21 | 株洲中车时代电气股份有限公司 | The method for adjusting electric power wheel self-discharging vehicle diesel engine speed |
| CN109194031A (en) * | 2018-09-29 | 2019-01-11 | 大连日牵电机有限公司 | A kind of mine electric wheel dump driving equipment and its cooling means |
-
2014
- 2014-03-06 CN CN201420099242.6U patent/CN203730349U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065325A (en) * | 2015-08-03 | 2015-11-18 | 吉首大学 | Dust-accumulation-proof fan propeller with reverse-droplet-shaped blades and disk-shaped back plate |
| CN109057979A (en) * | 2018-06-20 | 2018-12-21 | 株洲中车时代电气股份有限公司 | The method for adjusting electric power wheel self-discharging vehicle diesel engine speed |
| CN109194031A (en) * | 2018-09-29 | 2019-01-11 | 大连日牵电机有限公司 | A kind of mine electric wheel dump driving equipment and its cooling means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |