CN203766770U - Sand spraying device for vehicle - Google Patents
Sand spraying device for vehicle Download PDFInfo
- Publication number
- CN203766770U CN203766770U CN201420117724.XU CN201420117724U CN203766770U CN 203766770 U CN203766770 U CN 203766770U CN 201420117724 U CN201420117724 U CN 201420117724U CN 203766770 U CN203766770 U CN 203766770U
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- China
- Prior art keywords
- sand
- stucco
- communicated
- pressure sensor
- vehicle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000004576 sand Substances 0.000 title claims abstract description 28
- 238000005507 spraying Methods 0.000 title claims abstract description 24
- 244000035744 Hura crepitans Species 0.000 claims abstract description 23
- 241000826860 Trapezium Species 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Road Repair (AREA)
Abstract
The utility model relates to a sand spraying device for a vehicle. The sand spraying device comprises sand spraying units corresponding to rail vehicle bogie wheel sets, wherein each wheel set corresponds to two sand spraying units; each sand spraying unit comprises an oilless air compressor; the air input end of the oilless air compressor is communicated with external air through a safety valve, the compressed air output end of the oilless air compressor is communicated with the air inlet end of a sand sprayer with a sand box through a sand spraying air channel, the sand outlet end of the sand sprayer is connected with a sand spraying hose, and the tail end of the sand spraying hose is connected with a nozzle. According to the sand spraying device, the adhesion between wheel rails can be effectively increased, and idle running and sliding of the vehicle are effectively reduced.
Description
Technical field
The utility model relates to a kind of vehicle sanding device, is applicable to guideway vehicle.
Background technology
According to the knowledge of the applicant, the braking deceleration of the 100% low floor tramway train adopting is at present larger, and under emergency braking operating mode, maximum deceleration is up to 2.8m/s
2, the requirement of adhering between the wheel track of dependence is high especially, but adheres and do not slide while being difficult to assurance emergency brake of vehicle between normal wheel track; Up to 60 ‰, there is the risk of idle running in the line slope of 100% low floor tramway train operation simultaneously equally when vehicle draws on 60 ‰ ramp.Based on above-mentioned braking and two kinds of situations of traction, 100% low floor tramway train must configure sanding device, increases between wheel track and adheres, the idle running while reducing vehicle operating and sliding by track being carried out to stucco.
Utility model content
Technical problem to be solved in the utility model is: overcome the problem that prior art exists, a kind of vehicle sanding device is provided, can effectively increase between wheel track and adhere, effectively reduce idling of vehicle and slide.
The technical scheme in the invention for solving the technical problem is as follows:
Vehicle sanding device, comprises with rail vehicle truck and taking turns corresponding stucco unit, each wheel is to corresponding with two stucco unit; Stucco unit comprises the oilless air compressor that air input end communicates with outside air through safety valve, the pressurized air mouth of oilless air compressor is communicated with the sander inlet end with sandbox through stucco gas circuit, sander shakes out to hold and is connected with stucco flexible pipe, and stucco hose end is connected with nozzle; Stucco gas circuit comprises the first pressure sensor that one end is communicated with oilless air compressor pressurized air mouth, the other end of the first pressure sensor is communicated with one end of the second pressure sensor through the first two-position two-way solenoid valve, and the other end of the second pressure sensor is communicated with sander inlet end through adjustable throttle valve.
The utility model further perfect technical scheme is as follows:
Preferably, also comprise after-blow gas circuit, after-blow gas circuit comprises the second two-position two-way solenoid valve and the 3rd pressure sensor, one end of the second two-position two-way solenoid valve is communicated with oilless air compressor pressurized air mouth, the other end of the second two-position two-way solenoid valve is communicated with one end of the 3rd pressure sensor, the other end of the 3rd pressure sensor is connected with after-blow flexible pipe, after-blow flexible pipe and stucco soft pipe connection.
Preferably, also comprise temperature booster, temperature booster comprises is located at nozzle electro heat ring around, and electro heat ring is connected with power supply through the wire of power switch, and wire is close to stucco flexible pipe and is arranged.
Preferably, sandbox sidewall is provided with at least three sand position detectors from top to bottom, and sandbox outside is provided with tri-colour LED.
Preferably, sandbox cross-sectional plane is pentagon, comprises top right-angled trapezium and bottom oblong, and the top margin of right-angled trapezium is shorter than base, and top margin and the base of right-angled trapezium are square edge, and rectangular one side overlaps with the base of right-angled trapezium; One jiao of oblong bottom is communicated with sander; Sandbox top is provided with sand amount detection window, and sandbox side is provided with and adds sand mouth.
Preferably, also comprise sand-spraying controller, the signal input part that sand-spraying controller has is connected respectively with the signal output part that first, second, third pressure sensor and sand position detector have respectively, the control end that sand-spraying controller has and oilless air compressor, first, second two-position two-way solenoid valve, adjustable throttle valve, the controlled end that tri-colour LED and source switch have respectively connects respectively.
Preferably, sand-spraying controller also has the controlled end being connected with external control devices, and the display mouth being connected with external display device.
The utility model can effectively increase between wheel track and adhere, and effectively reduces idling of vehicle and slides, and is particularly useful for 100% low floor tramway train.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the control principle schematic diagram of Fig. 1 embodiment.
Fig. 3 is the structural representation of Fig. 1 embodiment sandbox.
The specific embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in further detail.But the utility model is not limited to given example.
Embodiment
As shown in Figure 1 to Figure 3, the vehicle sanding device of the present embodiment comprises with rail vehicle truck wheel corresponding stucco unit, each wheel is to corresponding with two stucco unit, for example, guideway vehicle has two conventionally with the trailer headstock of driver's cab, it is right that the bogie truck of each headstock has two pairs of wheels, and each headstock will fill four stucco unit.
The concrete structure of stucco unit is as follows:
(1) oilless air compressor 2 that air input end communicates with outside air through safety valve 1, the pressurized air mouth of oilless air compressor 2 is communicated with sander 4 inlet ends with sandbox 3 through stucco gas circuit, sander 4 shakes out to hold and is connected with stucco flexible pipe 5, and stucco flexible pipe 5 ends are connected with nozzle 6.
(2) stucco gas circuit comprises the first pressure sensor 7-1 that one end is communicated with oilless air compressor 2 pressurized air mouths, the other end of the first pressure sensor 7-1 is communicated with one end of the second pressure sensor 7-2 through the first two-position two-way solenoid valve 8-1, and the other end of the second pressure sensor 7-2 is communicated with sander 4 inlet ends through adjustable throttle valve 9.
(3) sandbox 3 sidewalls are provided with at least three sand position detector 3-1 from top to bottom, and sandbox 3 outsides are provided with tri-colour LED 3-2.Sandbox 3 cross-sectional planes are pentagon, comprise top right-angled trapezium and bottom oblong, and the top margin of right-angled trapezium is shorter than base, and top margin and the base of right-angled trapezium are square edge, and rectangular one side overlaps with the base of right-angled trapezium; One jiao of oblong bottom is communicated with sander 4; Sandbox 3 tops are provided with sand amount detection window 3-3, and sandbox 3 sides are provided with and add sand mouth 3-4.
(4) also comprise after-blow gas circuit, after-blow gas circuit comprises the second two-position two-way solenoid valve 8-2 and the 3rd pressure sensor 7-3, one end of the second two-position two-way solenoid valve 8-2 is communicated with oilless air compressor 2 pressurized air mouths, the other end of the second two-position two-way solenoid valve 8-2 is communicated with one end of the 3rd pressure sensor 7-3, the other end of the 3rd pressure sensor 7-3 is connected with after-blow flexible pipe 10, and after-blow flexible pipe 10 is communicated with stucco flexible pipe 5.
(5) also comprise temperature booster, temperature booster comprises is located at nozzle 6 electro heat ring 11 around, and electro heat ring is connected with power supply through the wire 12 of power switch (not shown), and wire is close to stucco flexible pipe 5 and is arranged.
(6) also comprise sand-spraying controller, the signal input part that sand-spraying controller has is connected respectively with the signal output part that first, second, third pressure sensor 7-1,7-2,7-3 and sand position detector 3-1 have respectively, the control end that sand-spraying controller has and oilless air compressor 2, first, second two-position two-way solenoid valve 8-1,8-2, adjustable throttle valve 9, the controlled end that tri-colour LED 3-2 and source switch have respectively connects respectively.Sand-spraying controller also has the controlled end being connected with external control devices, and the display mouth being connected with external display device.
With upper sensor, detector, sand-spraying controller, all adopt commercial goods of the prior art.
Concrete operational process is as follows:
Oilless air compressor, by after extraneous air compression, is sprayed onto the sand in sandbox between wheel track through sander, stucco flexible pipe, nozzle through stucco gas circuit, thereby increase between wheel track, adheres, and the idle running while reducing vehicle operating and sliding.
After each stucco, oilless air compressor, by after extraneous air compression,, is avoided stopping up by the sand ejection in stucco flexible pipe, nozzle through after-blow gas circuit.
When moving winter, can heater, avoid spray nozzle clogging.
Sand-spraying controller is controlled each stucco unit stucco, after-blow, heating in the mode of decentralised control, and controls the demonstration of sandbox indicator lamp and the interior corresponding color of sand amount of sandbox.
In addition, can pass through to regulate the valve rod of adjustable throttle valve, or the aperture that regulates sander to shake out and hold, stucco amount manual regulation, to preset range, is adjusted to 300-1800g/min conventionally.
Adopt after the sanding device of the present embodiment, without external wind source, can realize stucco function.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1. vehicle sanding device, comprises with rail vehicle truck and taking turns corresponding stucco unit, and each wheel is to corresponding with two stucco unit; It is characterized in that, described stucco unit comprises the oilless air compressor that air input end communicates with outside air through safety valve, the pressurized air mouth of described oilless air compressor is communicated with the sander inlet end with sandbox through stucco gas circuit, described sander shakes out to hold and is connected with stucco flexible pipe, and described stucco hose end is connected with nozzle; Described stucco gas circuit comprises the first pressure sensor that one end is communicated with oilless air compressor pressurized air mouth, the other end of described the first pressure sensor is communicated with one end of the second pressure sensor through the first two-position two-way solenoid valve, and the other end of described the second pressure sensor is communicated with sander inlet end through adjustable throttle valve.
2. vehicle sanding device according to claim 1, it is characterized in that, also comprise after-blow gas circuit, described after-blow gas circuit comprises the second two-position two-way solenoid valve and the 3rd pressure sensor, one end of described the second two-position two-way solenoid valve is communicated with oilless air compressor pressurized air mouth, the other end of described the second two-position two-way solenoid valve is communicated with one end of the 3rd pressure sensor, and the other end of described the 3rd pressure sensor is connected with after-blow flexible pipe, described after-blow flexible pipe and stucco soft pipe connection.
3. vehicle sanding device according to claim 2, it is characterized in that, also comprise temperature booster, described temperature booster comprises is located at nozzle electro heat ring around, described electro heat ring is connected with power supply through the wire of power switch, and described wire is close to stucco flexible pipe and is arranged.
4. vehicle sanding device according to claim 3, is characterized in that, described sandbox sidewall is provided with at least three sand position detectors from top to bottom, and described sandbox outside is provided with tri-colour LED.
5. vehicle sanding device according to claim 4, it is characterized in that, described sandbox cross-sectional plane is pentagon, comprise top right-angled trapezium and bottom oblong, the top margin of described right-angled trapezium is shorter than base, top margin and the base of described right-angled trapezium are square edge, and described rectangular one side overlaps with the base of right-angled trapezium; One jiao of described oblong bottom is communicated with sander; Described sandbox top is provided with sand amount detection window, and described sandbox side is provided with and adds sand mouth.
6. vehicle sanding device according to claim 5, it is characterized in that, also comprise sand-spraying controller, the signal input part that described sand-spraying controller has is connected respectively with the signal output part that first, second, third pressure sensor and sand position detector have respectively, the control end that described sand-spraying controller has and oilless air compressor, first, second two-position two-way solenoid valve, adjustable throttle valve, the controlled end that tri-colour LED and source switch have respectively connects respectively.
7. vehicle sanding device according to claim 6, is characterized in that, described sand-spraying controller also has the controlled end being connected with external control devices, and the display mouth being connected with external display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117724.XU CN203766770U (en) | 2014-03-14 | 2014-03-14 | Sand spraying device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117724.XU CN203766770U (en) | 2014-03-14 | 2014-03-14 | Sand spraying device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766770U true CN203766770U (en) | 2014-08-13 |
Family
ID=51283998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420117724.XU Expired - Lifetime CN203766770U (en) | 2014-03-14 | 2014-03-14 | Sand spraying device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766770U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950450A (en) * | 2014-03-14 | 2014-07-30 | 南车南京浦镇车辆有限公司 | Vehicle sanding device |
| CN105346543A (en) * | 2015-10-30 | 2016-02-24 | 南车株洲电力机车有限公司 | Rail transit vehicle and sand spraying apparatus thereof |
| CN108001470A (en) * | 2017-11-30 | 2018-05-08 | 中车唐山机车车辆有限公司 | Stucco control method and device |
| CN109050545A (en) * | 2018-07-11 | 2018-12-21 | 中车大连机车车辆有限公司 | Sander and its control method, locomotive |
-
2014
- 2014-03-14 CN CN201420117724.XU patent/CN203766770U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950450A (en) * | 2014-03-14 | 2014-07-30 | 南车南京浦镇车辆有限公司 | Vehicle sanding device |
| CN103950450B (en) * | 2014-03-14 | 2017-01-11 | 中车南京浦镇车辆有限公司 | vehicle sanding device |
| CN105346543A (en) * | 2015-10-30 | 2016-02-24 | 南车株洲电力机车有限公司 | Rail transit vehicle and sand spraying apparatus thereof |
| CN105346543B (en) * | 2015-10-30 | 2018-06-12 | 南车株洲电力机车有限公司 | A kind of rail traffic vehicles and its sander |
| CN108001470A (en) * | 2017-11-30 | 2018-05-08 | 中车唐山机车车辆有限公司 | Stucco control method and device |
| CN109050545A (en) * | 2018-07-11 | 2018-12-21 | 中车大连机车车辆有限公司 | Sander and its control method, locomotive |
| CN109050545B (en) * | 2018-07-11 | 2020-05-05 | 中车大连机车车辆有限公司 | Sanding device, control method thereof and locomotive |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |