CN205396090U - Traction motor cooling blower of anti -drop structure - Google Patents
Traction motor cooling blower of anti -drop structure Download PDFInfo
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- CN205396090U CN205396090U CN201620183677.8U CN201620183677U CN205396090U CN 205396090 U CN205396090 U CN 205396090U CN 201620183677 U CN201620183677 U CN 201620183677U CN 205396090 U CN205396090 U CN 205396090U
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- anticreep
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- screw rod
- spiral case
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Abstract
The utility model relates to a traction motor cooling blower of anti -drop structure for the EMUs, including installation suspension, damping rubber component, anti -disengaging structure, filtration screen panel, air inlet duct, impeller, driving motor and volute component, the characteristic is equipped with anti -disengaging mechanism on the fan, prevents that the fan from coming off to lead to the fact the incident, and anti -disengaging mechanism includes anticreep crossbeam and anticreep screw rod, and the welding of anticreep crossbeam is on installing the suspension, volute component includes components such as motor mounts frame and spiral case. This fan is connected through four damping rubber pads and installation suspension, installs the top car connection of suspension and equipment compartment, anticreep screw rod and motor mounts frame and driving motor's installation footing board between all be equipped with the clearance, to avoid electrical and installation suspension and the repeated installation of volute component. Adopt the nut of the fixed lower part of pin, prevent that the motor from dropping completely. The utility model has the characteristics of twin -screw anti -drop structure, and pressure coefficient is high, compact structure, installation easy maintenance are relative with weight lighter etc.
Description
Technical field
This utility model is arranged in equipment cabin of motor train unit, the protection base plate that the unshielded parts in equipment cabin of motor train unit bottom that it is installed drop, the traction electric machine blower fan being arranged on this train bottom must have anti-drop structure, it is prevented that blower fan comes off and falls on Crane Rail, causes great security incident.Therefore between assembling suspension and motor, installing escapement additional, escapement includes anticreep crossbeam and two anticreep screw rods；Anticreep screw rod top is fixed with the anticreep crossbeam installed on suspension, and motor mounting plate and the motor foot installing plate of spiral case assembly is passed in bottom, the screw rod bottom fixing nut of pin, it is achieved its anti-drop function.
Background technology
This utility model relates to the traction electric machine cooling blower of a kind of EMUs anti-drop structure, it is contemplated that safety factors, and its indoor design prevents blower fan and motor dropping structure thereof, is particularly suitable for the intercity EMUs vehicle of the unshielded base plate in equipment compartment bottom.Blower fan its act as EMUs traction electric machine provide force wind
Cold, belong to field of fluid machinery.
Traction electric machine is the direct parts driving and affecting EMUs high-speed cruising, and when EMUs run, motor can produce substantial amounts of heat due to internal loss.For preventing traction electric machine from crossing cause thermal damage, it is ensured that the normal operation of EMUs, need draught fan matching to cool down to traction electric machine forced ventilation, be parts indispensable in trailer system.The device preventing parts from dropping all is not installed in existing equipment cabin of motor train unit bottom, falls on Crane Rail if blower fan comes off, it is easy to cause great security incident.
Summary of the invention
The purpose of this utility model is in that to overcome the deficiency of prior art and defect, it is provided that the traction electric machine cooling blower of a kind of anti-drop structure.
The technical solution of the utility model: the traction electric machine cooling blower of a kind of anti-drop structure, including installing suspension, rubber damping pad, filtering screen, intake air way, impeller, drive motor and spiral case assembly；It is characterized in that: described traction electric machine cooling blower is provided with escapement, this escapement includes anticreep crossbeam and two anticreep screw rods, and wherein, anticreep beam welding is being installed on suspension, and this anticreep crossbeam and installation suspension are Hi-Stren steel structure；The blower fan weight that installation suspension overall structure hangs relatively has enough safety coefficients.This anticreep screw rod bottom is provided with a pin hole；
Described spiral case assembly is welded to form by motor mounting rack and spiral case, and the trim line of spiral case is spiral of Archimedes structure, can make the impeller abundant diffusion of air-flow out；Volute outlet is tubaeform expanded structure, and making to work off one's feeling vent one's spleen flows to a step increase.Spiral case front portion side plate is installed into air channel, and is connected with filtering screen by intake air way flange face；Spiral case assembly is installed drive motor, plays overall structure supporting role.
Described impeller is forward centrifugal formula blade wheel structure, adopts Forword vane can be effectively improved blower fan
Pressure coefficient, can make to meet in the effective bulk of blower fan the requirement that pressure is of a relatively high, adapts to the requirement that blower sizes is controlled by EMUs.
Two anticreep screw rod tops in described escapement are connected with anticreep crossbeam and fix with nut, bottom is connected with nut through the mounting feet plate on motor mounting plate and drive motor and fixes nut with pin, drive motor occurs being possible to prevent drive motor to drop completely when loosening, it is prevented that security incident occurs.
It is provided with lateral clearance between described anticreep screw rod and motor mounting rack, between the mounting feet plate of anticreep screw rod and drive motor, is provided with down suction；Make its anticreep screw rod with after between the two without being directly rigidly connected, it is to avoid each other repeat install, while motor oscillating can be avoided to be directly delivered to car body, affect comfort of passenger.
Described traction electric machine cooling blower is connected with installing suspension by four rubber damping pads；
The described lateral clearance L between anticreep screw rod and motor mounting plate1It is 1～2mm；This lateral clearance can not directly contribute contact or scraping motor mounting plate under drive motor Vibration Condition；The down suction L of anticreep screw rod and motor mounting feet plate2It is 1～2mm.Its effect of this down suction is to avoid drive motor and spiral case assembly to repeat to install.
Operation principle of the present utility model is that cool exterior air enters impeller via filtering screen and intake air way, air is done work by impeller, makes supercharging air speedup, and cooling air enters traction electric machine pipeline from blower fan flaring exit, eventually arrive at traction electric machine, reach the purpose of cooling.
Fan driving motor footing piece is connected with the motor mounting rack on spiral case assembly by hex bolts, and motor base is connected with installing suspension by vibration isolation rubber assembly；Vibration isolation rubber assembly plays isolating technique and vibration damping effect.Installing suspension to be connected with car body installation, fixing blower fan is overall.
The innovative point of this ventilation blower is in that:
There is anti-drop structure in blower interior design, meet equipment cabin of motor train unit without the slip-off preventing requirement to integral device of the bottom protective plate.
Anticreep screw rod in disconnecting prevention structure all has 1～2mm gap with motor mounting rack and motor mounting feet；The lateral clearance of anticreep screw rod and motor mounting plate, its effect is not directly contacted with and causes scraping motor mounting plate when being motor oscillating；Its effect of the down suction of anticreep screw rod and motor mounting feet is to avoid motor and installing rack and spiral case assembly to repeat install and transfer vibrations to car body.
Having pin hole bottom anticreep screw rod, adopt the nut of the fixing bottom of pin, motor occurs being possible to prevent motor to drop completely when loosening, it is prevented that security incident occurs.Anticreep crossbeam is fixed with installing rack by welding, and both are low-alloy high-tensile structural steel, and installing rack overall structure has enough safety coefficients relative to the blower fan weight of its suspension.
Four groups of vibration isolation rubber assemblies are connected with installing suspension, greatly reduce the vibration bottom motor-car and impact；Motor mounting rack adopts the design of upper and lower double-U-shaped cantilever beam structure, and bottom U-type groove installs motor, and the double-U-shaped groove in top is arranged on installation suspension by cushion blocking.
This utility model is arranged in equipment cabin of motor train unit, the protection base plate that the unshielded parts in equipment cabin of motor train unit bottom that it is installed drop, the traction electric machine blower fan being arranged on this train bottom must have anti-drop structure, it is prevented that blower fan comes off and falls on Crane Rail, causes great security incident.Therefore between assembling suspension and motor, installing escapement additional, escapement includes anticreep crossbeam and two anticreep screw rods；Anticreep screw rod top is fixed with the anticreep crossbeam installed on suspension, and motor mounting plate and the motor foot installing plate of spiral case assembly is passed in bottom, the screw rod bottom fixing nut of pin, it is achieved its anti-drop function.
The features such as in sum, this utility model has a twin screw disconnecting prevention structure, and pressure coefficient is high, and compact conformation, convenient to install and maintain and weight are relatively light.Specifically for the development and production without the occasion of bottom protective plate under applicable equipment cabin of motor train unit.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model；
Fig. 2 is left view structural representation of the present utility model；
Fig. 3 is the structural representation of escapement；
In figure: 1-installs suspension, 2-vibration isolation rubber assembly, 3-escapement, 4-filtering screen, 5-intake air way, 6-impeller, 7-drive motor, 8-spiral case assembly, 9-anticreep crossbeam, 10-anticreep screw rod, 11-motor mounting rack, 12-spiral case, 13-pin hole.
Detailed description of the invention
With reference to above-mentioned accompanying drawing, the traction electric machine cooling blower of a kind of anti-drop structure, including installing suspension 1, rubber damping pad 2, filtering screen 4, intake air way 5, impeller 6, drive motor 7 and spiral case assembly 8；It is characterized in that described traction electric machine cooling blower is provided with escapement 3, this escapement 3 includes anticreep crossbeam 9 and two anticreep screw rods 10, wherein, anticreep crossbeam 9 is welded on installation suspension 1, and this anticreep crossbeam 9 and installation suspension 1 are Hi-Stren steel structure；The blower fan weight that installation suspension 1 overall structure hangs relatively has enough safety coefficients.This anticreep screw rod 10 bottom is provided with a pin hole 13；
Described spiral case assembly 8 is welded to form by motor mounting rack 11 and spiral case 12, and the trim line of spiral case 12 is spiral of Archimedes structure, spiral case assembly 8 is installed drive motor 7, plays overall structure supporting role.
Described impeller 6 is forward centrifugal formula blade wheel structure, adopts Forword vane can be effectively improved blower fan
Pressure coefficient, can make to meet in the effective bulk of blower fan the requirement that pressure is of a relatively high, adapt to the requirement that blower sizes is controlled by EMUs.
Two anticreep screw rod 10 tops in described escapement 3 are connected with anticreep crossbeam 9 and fix with nut, bottom is connected with nut through the mounting feet plate on motor mounting plate 11 and drive motor 7 and fixes nut with pin, drive motor occurs being possible to prevent drive motor to drop completely when loosening, it is prevented that security incident occurs.
It is provided with lateral clearance between described anticreep screw rod 10 and motor mounting rack 11, between the mounting feet plate of anticreep screw rod 10 and drive motor 7, is provided with down suction；Anticreep screw rod 10 with after between the two without being directly rigidly connected, it is to avoid repeat each other to install, while motor oscillating can be avoided to be directly delivered to car body, affect comfort of passenger.
Described traction electric machine cooling blower is connected with installing suspension 1 by four rubber damping pads 2；
Lateral clearance L between described anticreep screw rod 10 and motor mounting plate 111It is 1～2mm；This lateral clearance can not directly contribute contact or scraping motor mounting plate 11 under drive motor 7 Vibration Condition；The down suction L of anticreep screw rod 10 and motor 7 mounting feet plate2It is 1～2mm.Its effect of this down suction is to avoid drive motor 7 and spiral case assembly 8 to repeat to install.
Anticreep crossbeam 9 in this utility model escapement 3 is by being welded on installation suspension 1, and both are Hi-Stren steel structure, installs suspension 1 overall structure and has enough safety coefficients relative to the blower fan weight of its suspension.Spiral case assembly 8 is formed by spiral case 12 motor mounting rack 11 Combination Welding, adopts relatively light aluminium alloy structure, under the premise ensureing structural requirement, reduces the weight that blower fan is overall to greatest extent, adapts to the requirement that EMUs are relatively stringent to Weight control.Motor mounting rack 11 adopts upper and lower double-U-shaped cantilever beam structure to design, and bottom U-type groove installs motor, and the double-U-shaped groove in top is arranged on installation suspension 1 by cushion blocking 2.This cooling fan of pulling motor for motor train unit, owing to must there be the particular/special requirement of slip-off preventing, has twin screw disconnecting prevention structure by the design of this particular requirement, it is ensured that reliability of operation and safety.Ensureing that blower fan is suitable for the EMUs restriction to physical dimension and size, each parts carry out light-weight design, and aerodynamic parts are effectively improved the pressure coefficient of blower fan, it is ensured that blower pressure and noise requirements simultaneously.
Claims (2)
1. a traction electric machine cooling blower for anti-drop structure, including installing suspension (1), rubber damping pad (2), filtering screen (4), intake air way (5), impeller (6), drive motor (7) and spiral case assembly (8)；It is characterized in that:
Described traction electric machine cooling blower is provided with escapement (3), this escapement (3) includes anticreep crossbeam (9) and two anticreep screw rods (10), wherein, anticreep crossbeam (9) is welded in installation suspension (1), and this anticreep crossbeam (9) and installation suspension (1) are Hi-Stren steel structure；Suspension (1) this anticreep screw rod (10) bottom is installed and is provided with a pin hole (13)；
Described spiral case assembly (8) is welded to form by motor mounting rack (11) and spiral case (12), and the trim line of spiral case (12) is spiral of Archimedes structure, and spiral case assembly (8) is installed drive motor (7)；
Impeller (6) in described traction electric machine cooling blower is forward centrifugal formula blade wheel structure；
Two anticreep screw rod (10) tops in described escapement (3) are connected with anticreep crossbeam (9) and fix with nut, and bottom is connected with nut through the mounting feet plate on motor mounting plate (11) and drive motor (7) and fixes nut with pin；
It is provided with lateral clearance between described anticreep screw rod (10) and motor mounting rack (11), between the mounting feet plate of anticreep screw rod (10) and drive motor (7), is provided with down suction；
Described traction electric machine cooling blower is connected with installing suspension (1) by four rubber damping pads (2).
2. the traction electric machine cooling blower of a kind of anti-drop structure as claimed in claim 1, it is characterised in that the lateral clearance L between described anticreep screw rod (10) and motor mounting plate (11)1It is 1～2mm；；The down suction L of anticreep screw rod (10) and motor (7) mounting feet plate2It is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183677.8U CN205396090U (en) | 2016-03-11 | 2016-03-11 | Traction motor cooling blower of anti -drop structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183677.8U CN205396090U (en) | 2016-03-11 | 2016-03-11 | Traction motor cooling blower of anti -drop structure |
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| Publication Number | Publication Date |
|---|---|
| CN205396090U true CN205396090U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620183677.8U Active CN205396090U (en) | 2016-03-11 | 2016-03-11 | Traction motor cooling blower of anti -drop structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857106A (en) * | 2018-08-24 | 2020-03-03 | 天津辰宝机电科技股份有限公司 | Rail car suspension motor installation anticreep device |
-
2016
- 2016-03-11 CN CN201620183677.8U patent/CN205396090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857106A (en) * | 2018-08-24 | 2020-03-03 | 天津辰宝机电科技股份有限公司 | Rail car suspension motor installation anticreep device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230703 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: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |