CN201148163Y - Vehicle-mounted atomizing noise reducer for subway bend - Google Patents
Vehicle-mounted atomizing noise reducer for subway bend Download PDFInfo
- Publication number
- CN201148163Y CN201148163Y CNU2007201868144U CN200720186814U CN201148163Y CN 201148163 Y CN201148163 Y CN 201148163Y CN U2007201868144 U CNU2007201868144 U CN U2007201868144U CN 200720186814 U CN200720186814 U CN 200720186814U CN 201148163 Y CN201148163 Y CN 201148163Y
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- subway
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- power amplifier
- centrifugal
- bend
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Abstract
The utility model provides a vehicle subway bend spray and noise reduction device, which relates to an auxiliary device of an underground subway. The device comprises a spray control system, a sprayer, an oil tank and an air reservoir. The spray control system comprises a turning recognition device, a power amplifier and a power supply circuit of the power amplifier and a pneumatic electromagnetic valve. The output end of the turning recognition device is connected with the input end of the power amplifier. The output end of the power amplifier is connected with the pneumatic electromagnetic valve. The pneumatic electromagnetic valve is installed on a gas pipe which is connected with the air reservoir and the sprayer. The turning recognition device is a centrifugal single pendulum device comprising two centrifugal pendulums, two switches installed on the centrifugal pendulums and a circuit of the switches or an ATO vehicle accurate location system device fixed on the carriage. The device not only can reduce the noise when the subway is turning, but also can prolong the service life of wheels and steel rails. The device has advantages of accurate and reliable turning recognition signal, good sprayer sealing performance, fast spray reaction speed, and long duration of noise reduction.
Description
Technical field:
The utility model relates to a kind of accessory equipment that is used for subway, particularly a kind of vehicle-mounted subway bend spraying denoising device.
Background technology:
Subway is a kind of important vehicle of urban modernization since have do not take ground space, freight volume is big, speed is fast, advantage such as punctual, convenient, it has become a kind of effective means of solution urban traffic congestion and atmospheric contamination.But, vibration and noise that subway train causes when operation also are the problems of the ubiquitous significant of countries in the world subway, especially the serious noise that when the tempo turn of subway train, is produced, not only directly influence the comfortable and healthy of the interior driver and crew of train, also make subway above ground structure generation along the line forced vibration.
By discovering, the mechanism that subway produces noise mainly contains:
(1) train driving loads the impact that produces to the gravity of track, causes the vibration of wheel and track structure;
(2) especially when train is turned, produce a series of fine motions between wheel and the track and slide, form friction self-excited vibration and the sharp-pointed whistler of association.
The utility model content:
The technical problems to be solved in the utility model is: a kind of vehicle-mounted subway bend spraying denoising device is provided, this device can be lubricated track when train is turned, improving the fine motion cliding friction state between wheel and the track, thus control even the noise when eliminating subway and turning.
The technical scheme that solves the problems of the technologies described above is: a kind of vehicle-mounted subway bend spraying denoising device, this device comprises the spraying control system, atomizing cone, the fuel tank that links to each other with atomizing cone by transport pipe, the air reservoir that links to each other with atomizing cone by gas piping, described spraying control system is by the turning means of identification, power amplifier and power circuit thereof, air-operated solenoid valve is formed, the mouth of turning means of identification is connected with the input end of power amplifier, the mouth of power amplifier is connected with air-operated solenoid valve, and this air-operated solenoid valve is installed on the gas piping that connects atomizing cone and air reservoir.
Further technical scheme of the present utility model is: the centrifugal simple pendulum device of described turning means of identification for being made up of two centrifugal pendulums, two switches and circuit thereof, wherein two switches lay respectively at the top of two centrifugal pendulums, and are connected with centrifugal pendulum by rotating shaft; Two centrifugal pendulums are installed in the headstock railway carriage or compartment and the tailstock railway carriage or compartment of subway train respectively, and two switch circuit parallel connections, its mouths are connected with two input ends of power amplifier respectively.
Another technical scheme of the present utility model is: described turning means of identification is the vehicle-mounted Precise Position System device of ATO that is fixed on the compartment, and the mouth of the vehicle-mounted Precise Position System device of this ATO is connected with the input end of power amplifier.
Of the present utility model more further technical scheme be: described atomizing cone is made up of atomizing nozzle, valve body, the thimble oil pipe and the oil connector that are positioned at valve cavity; Junction at atomizing nozzle and valve body is equipped with seal ring, is respectively equipped with the admission port and the oil inlet that communicate with cavity on the valve body, and oil connector is installed on the oil inlet.
Owing to adopt said structure, the vehicle-mounted subway bend spraying denoising device of the utility model has following beneficial effect:
1, can effectively reduce the huge noise that produces when subway is turned:
Because the utility model is converted into electric signal by the turning means of identification with signal for turn at Ackermann steer angle, amplify the rear drive electromagnetic valve, spray to rail after making the water base or oil lubricant atomizing of atomizing cone, thereby it is lubricated fully that rail is obtained, and utilize lubricated principle to improve fine motion cliding friction state between wheel and the track, thereby can effectively reduce the huge noise that produces when subway is turned.
2, turning identification signal is accurate, reliable:
Because turning means of identification of the present utility model or centrifugal simple pendulum device or the vehicle-mounted Precise Position System device of ATO, wherein centrifugal simple pendulum device has been used the centnifugal force that Ackermann steer angle produces, make centrifugal pendulum swing and touch the switch that is installed on the centrifugal pendulum, thereby signal for turn can be converted into electric signal; And the vehicle-mounted Precise Position System device of ATO can be converted into signal for turn electric signal more exactly according to the setting of system, and therefore, the turning identification signal of the utility model spraying control system accurately, reliably.
3, can improve the service life of wheel and rail:
Because this device also can reduce the cliding friction between wheel and the underground railway track when spraying lubricant in rail surface is with reduction subway noise, has improved the enforcement condition of subway, thereby the service life that can improve wheel and rail.
4, the good seal performance of atomizing cone, spray reaction speed are fast:
Because atomizing cone that the utility model adopted is made up of nozzle, the valve body of band seal ring, the thimble oil pipe, the oil connector that are positioned at valve cavity, its sealing property is better; And the effect by pressure gas atomizes the lubricating oil that sucks in the valve cavity fast and sprays to the surface of rail, so its spray reaction speed is very fast.
5, applied widely:
The utility model not only can be used for the subterranean railway traffic, also applicable to the occasion that needs noise reduction as other track traffics such as ground rail, urban light rail traffic, tramway trains.
6, noise reduction longer duration:
The utility model device is once sprayed and can be kept the noise reduction of long period, after subway train that row are equipped with this device is to the track spraying, its follow-up some row subways are not by producing sharp-pointed whistler yet, therefore, on a subway line, only need select row or few ordered series of numbers subway train that this device is installed and get final product.
Below, the technical characterictic to the vehicle-mounted subway bend spraying denoising device of the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings:
The structure and the scheme of installation of the vehicle-mounted subway bend spraying denoising device of Fig. 1: embodiment one described the utility model;
Fig. 2～Fig. 3: embodiment one described spray structure scheme drawing of the present utility model,
Fig. 2-master looks cutaway view, the A-A cutaway view Amplified image of Fig. 3-Fig. 2;
The structure and the scheme of installation of the vehicle-mounted subway bend spraying denoising device of Fig. 4: embodiment two described the utility model;
Among the figure:
The 1-control system of spraying, the centrifugal simple pendulum device of 11-, the centrifugal pendulum of 111-,
The 112-rotating shaft, the 113-switch, the 114-switch circuit,
The vehicle-mounted Precise Position System device of 12-ATO, the 13-power amplifier,
The 131-input end, the 132-mouth, the 14-power circuit,
The 15-air-operated solenoid valve, the 2-atomizing cone, 21-atomizing nozzle,
The 211-seal ring, the 22-valve body, the 221-cavity,
The 222-admission port, the 223-oil inlet, 23-thimble oil pipe,
The 24-oil connector, the 3-fuel tank, the 31-check valve,
The 4-transport pipe, the 5-gas piping, the 6-air reservoir,
7-subway pneumatic system, 8-rail, 9-wheel.
The specific embodiment:
Embodiment one:
A kind of vehicle-mounted subway bend spraying denoising device, this device comprises spraying control system 1, two atomizing cones 2, link to each other with atomizing cone 2 and have the fuel tank 3 of check valve 31 by transport pipe 4, the air reservoir 6 that links to each other with atomizing cone 2 by gas piping 5, described spraying control system 1 is by the turning means of identification, power amplifier 13 and power circuit 14 thereof, two air-operated solenoid valves 15 are formed, this turning means of identification is by two centrifugal pendulums 111, the centrifugal simple pendulum device 11 that two switches 113 and circuit 114 thereof are formed, wherein two switches 113 lay respectively at the top of two centrifugal pendulums 111, and are connected with centrifugal pendulum 111 by rotating shaft 112; Two centrifugal pendulums 111 are installed in the headstock railway carriage or compartment and the tailstock railway carriage or compartment of subway train respectively, article two, switch circuit 114 parallel connections, its mouth are connected with two input ends 131 of power amplifier 13 respectively, the mouth 132 of power amplifier 132 is connected with air-operated solenoid valve 15, and this air-operated solenoid valve 15 is installed on the gas piping 5 that connects atomizing cone 2 and air reservoir 6 (referring to Fig. 1).
Described atomizing cone 2 is made up of atomizing nozzle 21, valve body 22, the thimble oil pipe 23 that is positioned at valve cavity 221 and oil connector 24; In atomizing nozzle 21 and valve body 22 junctions seal ring 211 is installed, is respectively equipped with the admission port 222 and the oil inlet 223 that communicate with cavity 221 on the valve body 22, oil connector 24 is installed on this oil inlet 223 (referring to Fig. 2～Fig. 3).By adjusting the position of thimble oil pipe 23, can change the size of fuel charge; By regulating the pressure of fuel tank check valve 31 medi-springs, can adjust the difference of pressure between nozzle 21 and the fuel tank 3, thereby avoid siphonage and leakage of oil.
Described two atomizing cones 2 are installed in the wheel 9 bearing support extending parts that are positioned at the track both sides respectively, to keep the active distance of nozzle 21 and rail 8, these two atomizing cones, 2 a shared fuel tank 3 and air reservoirs 6; Described fuel tank 3 is installed in the position of atomizing cone 2 equal heights in case leak-stopping oil, and air reservoir 6 is installed in the compartment and with subway pneumatic system 7 and is connected (referring to Fig. 1).
As a kind of conversion of present embodiment one, described atomizing cone 2 also can each with a fuel tank 3 with each with an air reservoir 6.
As another conversion of present embodiment one, the quantity of described atomizing cone 2 and air-operated solenoid valve 15 can increase or reduce according to actual needs, can be one, also can be three, four, five ...
As another conversion of present embodiment one, the installation site of described atomizing cone 2, fuel tank 3, air reservoir 6 also can change according to actual needs.
The principle of work of one described vehicle-mounted subway bend spraying denoising device of embodiment is as follows:
When the bend of conduct somewhere, subway headstock railway carriage or compartment, because action of centrifugal force, centrifugal pendulum 111 will be swung an angle, touch the switch 113 above the centrifugal pendulum 111 simultaneously, after the aerotron power amplifier of the signal of switch 113 through thyristor switch circuit 114 and power amplifier 132, circuit turn-on, air-operated solenoid valve 15 energisings, gas in the air reservoir 6 enters the cavity 221 of valve body 22 from the admission port 222 of atomizing cone by gas piping 5, and form vacuum here, make the lubricant in the fuel tank 3 be inhaled in the cavity 221 of valve body 22 by transport pipe 4, and begin to atomize, the surface that lubricant after will atomizing by atomizing nozzle 21 at last and AIR MIXTURES spray to rail 8 reaches lubricated purpose.
After bend is passed through in subway headstock railway carriage or compartment, centnifugal force disappears, and the centrifugal pendulum 111 of headstock will be done low-angle damped vibration, and switch 113 disconnects, but the centrifugal pendulum 111 on the tailstock is also at turn condition, centrifugal pendulum 111 is still keeping an angle, is touching the switch 113 above the pendulum, and spraying is proceeded, after the subway train passes through bend fully, the centnifugal force in tailstock railway carriage or compartment disappears, and switch 113 disconnects fully, and spraying stops; When treating the follow-up bend of train conduct, this device will restart the work of spraying noise reduction.
Embodiment two:
A kind of vehicle-mounted subway bend spraying denoising device, the basic structure of this device is with embodiment one, include spraying control system 1, two atomizing cones 2, by transport pipe 4 link to each other with atomizing cone 2 and have check valve 31 fuel tank 3, pass through the air reservoir 6 that gas piping 5 links to each other with atomizing cone 2, described spraying control system 1 is made up of turning means of identification, power amplifier 13 and power circuit thereof 14, two air-operated solenoid valves 15; Institute's difference is: described turning means of identification is the vehicle-mounted Precise Position System device 12 of ATO that is fixed on the compartment, and the mouth of the vehicle-mounted Precise Position System device 12 of this ATO is connected (referring to Fig. 4) with the input end 131 of power amplifier 13.
Claims (4)
1. vehicle-mounted subway bend spraying denoising device, it is characterized in that: this device comprises spraying control system (1), atomizing cone (2), the fuel tank (3) that links to each other with atomizing cone (2) by transport pipe (4), the air reservoir (6) that links to each other with atomizing cone (2) by gas piping (5), described spraying control system (1) is by the turning means of identification, power amplifier (13) and power circuit (14) thereof, air-operated solenoid valve (15) is formed, the mouth of turning means of identification is connected with the input end (131) of power amplifier (13), the mouth (132) of power amplifier (13) is connected with air-operated solenoid valve (15), and this air-operated solenoid valve (15) is installed on the gas piping (5) that connects atomizing cone (2) and air reservoir (6).
2. vehicle-mounted subway bend spraying denoising device according to claim 1, it is characterized in that: the centrifugal simple pendulum device (11) of described turning means of identification for forming by two centrifugal pendulums (111), two switches (113) and circuit (114) thereof, wherein two switches (113) lay respectively at the top of two centrifugal pendulums (111), and are connected with centrifugal pendulum (111) by rotating shaft (112); Two centrifugal pendulums (111) are installed in the headstock railway carriage or compartment and the tailstock railway carriage or compartment of subway train respectively, and two switch circuits (114) are in parallel, its mouth is connected with two input ends (131) of power amplifier (13) respectively.
3. vehicle-mounted subway bend spraying denoising device according to claim 1, it is characterized in that: described turning means of identification is the vehicle-mounted Precise Position System device of ATO (12) that is fixed on the compartment, and the mouth of the vehicle-mounted Precise Position System device of this ATO (12) is connected with the input end (131) of power amplifier (13).
4. according to claim 1 or 2 or 3 described vehicle-mounted subway bend spraying denoising devices, it is characterized in that: described atomizing cone (2) is made up of atomizing nozzle (21), valve body (22), the thimble oil pipe (23) that is positioned at valve cavity (221) and oil connector (24); Junction at atomizing nozzle (21) and valve body (22) is equipped with seal ring (211), is respectively equipped with the admission port (222) and the oil inlet (223) that communicate with cavity (221) on the valve body (22), and oil connector (24) is installed on the oil inlet (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201868144U CN201148163Y (en) | 2007-12-26 | 2007-12-26 | Vehicle-mounted atomizing noise reducer for subway bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201868144U CN201148163Y (en) | 2007-12-26 | 2007-12-26 | Vehicle-mounted atomizing noise reducer for subway bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201148163Y true CN201148163Y (en) | 2008-11-12 |
Family
ID=40115930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201868144U Expired - Fee Related CN201148163Y (en) | 2007-12-26 | 2007-12-26 | Vehicle-mounted atomizing noise reducer for subway bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201148163Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431572A (en) * | 2011-09-15 | 2012-05-02 | 优必得节能技术(上海)有限公司 | Control method for oil injection device of track train, oil injection device, track train and track locomotive |
| CN109143900A (en) * | 2018-07-19 | 2019-01-04 | 中国神华能源股份有限公司 | For controlling the methods, devices and systems of water injection system and eliminating noise factor |
-
2007
- 2007-12-26 CN CNU2007201868144U patent/CN201148163Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431572A (en) * | 2011-09-15 | 2012-05-02 | 优必得节能技术(上海)有限公司 | Control method for oil injection device of track train, oil injection device, track train and track locomotive |
| CN102431572B (en) * | 2011-09-15 | 2014-08-06 | 优必得节能技术(上海)有限公司 | Control method for oil injection device of track train, oil injection device, track train and track locomotive |
| CN109143900A (en) * | 2018-07-19 | 2019-01-04 | 中国神华能源股份有限公司 | For controlling the methods, devices and systems of water injection system and eliminating noise factor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |