CN102358296A - Wheel-rail porcelain sand injection apparatus - Google Patents
Wheel-rail porcelain sand injection apparatus Download PDFInfo
- Publication number
- CN102358296A CN102358296A CN2011102022073A CN201110202207A CN102358296A CN 102358296 A CN102358296 A CN 102358296A CN 2011102022073 A CN2011102022073 A CN 2011102022073A CN 201110202207 A CN201110202207 A CN 201110202207A CN 102358296 A CN102358296 A CN 102358296A
- Authority
- CN
- China
- Prior art keywords
- passage
- channel
- valve
- pressure
- porcelain sand
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention provides a wheel-rail porcelain sand injection apparatus. The apparatus comprises a tank, a sealing cover, an installation seat, a nozzle, a gas source, a sealed gas chamber, a first valve, a first channel, a gas outlet channel and a second channel. The first channel is provided with a gas inlet and a gas outlet, wherein the gas inlet is communicated with the gas source, the gas outlet is communicated with the nozzle. A pressure increasing valve is arranged in the first channel, wherein the pressure increasing valve is provided for increasing the pressure of the gas outlet of the first channel, and the pressure of the gas inlet channel. The connection of the gas outlet channel and the first channel is near to the gas outlet of the first channel. The connection of the second channel and the first channel is near to the gas inlet of the first channel. With the gas source of the second channel, the connection/disconnection of the first valve can be controlled. Compared to the sand injection apparatus in the prior art, the wheel-rail porcelain sand injection apparatus provided by the present invention adopts the gas source as the power source, the sealed gas chamber is arranged inside the apparatus, the structures of the gas inlet channel and the initial channel are arranged, such that the porcelain sand can be smoothly injected to the positions between the wheel and the rail, the adhesion between the wheel and the rail can be increased, the driving safety of the train can be ensured.
Description
Technical field
The present invention relates to the locomotive safety running field, relate in particular to a kind of wheel track porcelain sand blasting injection device that strengthens the locomotive wheel binding force.
Background technology
Continuous development along with the China railways operation; Railway operation has become the key player of economic development; Society has higher requirement to the load-carrying and the speed of train, and wheel slipping occurred thereupon, slided, problem such as stopping distance is spun out, in order to ensure the safe in operation of train; Develop advanced, safe, reliable, economic wheel track tackify and technology, equipment, very important realistic meaning is arranged.
Between the wheel track of relative motion, spraying particle in good time, in right amount is to keep wheel rail adhesion at present, prevent wheel slipping or slide measure commonly used; This measure is extremely important to locomotive operation safety; Being summed up as the particle that exists between friction face to the viscosifying action that sprays particle between running surface of wheeltrack can increase friction coefficient, thereby guarantees the safety of locomotive operation.At present, thus the control of locomotive stucco amount is to regulate intake through the adjustable bolt of adjustment sander to realize that porcelain sand is sprinkling upon between wheel tread and the wheel track with the mode of falling naturally, can effectively solve the not strong problem of binding force between the wheel track.
But; This kind stucco mode is spread slow, the poor placement of Wheel with sand, and knockout is unstable, not only reduced porcelain sand effective rate of utilization, caused a large amount of porcelain sand wastes; Can not increase the binding force between the wheel track swimmingly, guarantee train traffic safety.
Summary of the invention
The invention solves in the prior art sand is spread slow, the poor placement of Wheel, and the unsettled technical matters of knockout, the effective rate of utilization of raising porcelain sand guarantees the smooth and easy ejection of porcelain sand, strengthens the binding force between the wheel track.
The invention provides a kind of wheel track porcelain sand blasting injection device, comprise the tank body that is provided with opening, be provided with inner chamber and seal said opening seal cover cap, be fixed in mount pad and jet pipe and source of the gas in the said opening; Said mount pad and said seal cover cap are formed with sealed gas chamber; On mount pad, be provided with first valve that can be communicated with/break off tank inner chamber and sealed gas chamber, be formed with first passage, be communicated with free air diffuser and the outlet passageway of first passage and sealed gas chamber and the second channel that is communicated with first passage away from the end of tank body at said seal cover cap; Said first passage is provided with admission port and air extractor duct, and said admission port is communicated with source of the gas, and said air extractor duct is communicated with jet pipe; In said first passage, be provided with the pressure charging valve that increases first passage air extractor duct pressure, free air diffuser pressure; The junction of outlet passageway and first passage is near the first passage air extractor duct; The junction of second channel and first passage is near the first passage admission port; Connection/disconnection via source of the gas may command first valve of second channel.
Compare with existing sanding device; Wheel track porcelain sand blasting injection device of the present invention with source of the gas as propulsion source; At the set inside sealed gas chamber,, porcelain sand can be injected between the wheel track smoothly through the structure setting of free air diffuser and initial stage passage; Increase the binding force between the wheel track, guarantee train traffic safety.
Description of drawings
Fig. 1 is the simple structure figure of wheel track porcelain sand blasting injection device of the present invention.
Fig. 2 is the structural representation of wheel track porcelain sand blasting injection device of the present invention.
Fig. 3 is the structural representation of jet pipe of the present invention and geometrical clamp.
Wherein, 1---tank body, 2---seal cover cap, 3---pedestal is installed, 4---servo valve; 5---service valve, 11---opening, 21---first passage, 22---free air diffuser, 23---outlet passageway; 24---second channel, 25---pressure regulating valve, 26---sealed gas chamber, 27---pressure charging valve, 28---jet pipe; 29---geometrical clamp, 211---the first passage admission port, 212---the first passage air extractor duct, 281---nozzle, 282---wear-resistant sleeve.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides a kind of wheel track porcelain sand blasting injection device; Like Fig. 1, shown in 2, comprise the tank body 1 that is provided with opening 11, be provided with inner chamber and seal said opening 11 seal cover cap 2, be fixed in mount pad 3 and jet pipe 28 and source of the gas (not shown in the Figure of description) in the said opening 11; Said mount pad 3 is formed with sealed gas chamber 26 with said seal cover cap 2; On mount pad 3, be provided with first valve that can be communicated with/break off tank inner chamber and sealed gas chamber 26, be formed with first passage 21, be communicated with free air diffuser 22 and the outlet passageway 23 of first passage 21 and sealed gas chamber 26 and the second channel 24 that is communicated with first passage 21 away from the end of tank body 1 at said seal cover cap 2; Said first passage 21 is provided with admission port 211 and air extractor duct 212, and said admission port 211 is communicated with source of the gas, and said air extractor duct 212 is communicated with jet pipe 28; In said first passage 21, be provided with the pressure charging valve 27 that increases first passage air extractor duct 212 pressure, free air diffuser 22 pressure; The junction of outlet passageway 23 and first passage 21 is near first passage air extractor duct 212; The junction of second channel 24 and first passage 21 is near first passage 21 admission ports 211; Connection/disconnection via source of the gas may command first valve of second channel 24.
As improvement of the present invention, in said outlet passageway 23, be provided with the pressure regulating valve 25 of adjusting from sealed gas chamber 26 effluent air pressure, scalable flows out the air pressure of sealed gas chamber 26.
As the preferred embodiments of the present invention, said first valve comprises servo valve 4 and service valve 5, and said servo valve 4 drives said service valve 5 connection/disconnection tank inner chambers and sealed gas chamber 26.
As the preferred embodiments of the present invention, be provided with nozzle 281 at said jet pipe 28 exit end, nozzle 281 is the sandblast effect of intensifier effectively.
In the present invention, source of the gas is supplied with by the locomotive air reservoir; In the locomotive operation way; When the driver steps on the stucco pedal switch, through electrical control, high pressure gas get into first passage 21 via pipeline; The air-flow that gets into first passage 21 is divided into three parts, and a part of air-flow drives servo valve 4 via second channel 24 and breaks off tank inner chamber and sealed gas chamber 26; Part airflow passes pressure charging valve 27 is in the air extractor duct 212 formation negative pressure of first passage 21; Part air-flow gets in the sealed gas chamber 26 through free air diffuser 22; Air-flow in the entering sealed gas chamber 26 mixes with the porcelain sand in the sealed gas chamber 26, and under the suction function that first passage air extractor duct 212 forms, the gas sand mixture gets into jet pipes 28 via outlet passageway 23, is ejected into the rail surface through nozzle 281 at last.
Through a large amount of facts have proved, the effect that nozzle 281 sprays when forming 20 ° of angles with rail is best.
As improvement of the present invention, be provided with the geometrical clamp 29 that jet pipe 28 is fixed at said jet pipe 28 near an end of nozzle 281, through geometrical clamp 29 nozzle is positioned on the locomotive, as shown in Figure 3.
As improvement of the present invention, be provided with wear-resistant sleeve 282 in nozzle 281 and jet pipe 28 junctions, wear-resistant sleeve 282 can effectively reduce porcelain sand to nozzle abrasion.
As improvement of the present invention, be provided with the pressure-regulating device that intake pressure is regulated at first passage admission port 211, its scalable gets into the pressure of first passage.
Compare with existing sanding device; Wheel track porcelain sand blasting injection device of the present invention with source of the gas as propulsion source; At set inside sealed gas chamber 26, the structure setting through free air diffuser 22 and outlet passageway 23 can be injected between the wheel track porcelain sand smoothly; Increase the binding force between the wheel track, guarantee train traffic safety.Particularly, in course of injection, because compressed-air actuated flowing will cause porcelain sand can not get into jet pipe smoothly in the end place generation negative pressure of first passage near jet pipe.Among the present invention, from the gas of source of the gas entering first passage 21, through two branched lines of first passage 21 bonded assemblys.Wherein, a part of gas continues to move to air extractor duct 212 entering jet pipes 28 along first passage 21.Another part gas flows into and first passage bonded assembly free air diffuser 22; And 25 pairs of gaseous tensions that get in the free air diffuser 22 of the pressure charging valve through having micropore pressure regulation effect are regulated; Thereby regulate the gaseous tension that gets in the sealed gas chamber 26; Make in the sealed gas chamber 26 and be in barotropic state; Again through the gas in the sealed air chamber 26 being disposed to again in the first passage 21, and move to air extractor duct 212, thereby discharge air-flows to jet pipe 28 along first passage 21 with sealed gas chamber 26 bonded assembly outlet passageways 23; And the gaseous tension of the air extractor duct 212 through 25 pairs of first passages 21 of pressure charging valve regulates, and this part behind the adjustment pressure is discharged air-flow and arrived in first passage 21; This moment, the pressure at two ends of first passage 28 air extractor ducts 212 did not wait; Particularly; Pressure is positive pressure and reaches relatively stable in the first passage 21; And with air extractor duct 212 bonded assembly jet pipes 28 in gaseous tension less be negative pressure, therefore this moment, the gas sand mixture can get into through the difference of pressure of 212 both sides of working off one's feeling vent one's spleen in the jet pipe 28 smoothly, thus assurance sandblast fluent movements.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a wheel track porcelain sand blasting injection device is characterized in that, comprise the tank body that is provided with opening, be provided with inner chamber and seal said opening seal cover cap, be fixed in mount pad and jet pipe and source of the gas in the said opening; Said mount pad and said seal cover cap are formed with sealed gas chamber; On mount pad, be provided with first valve that can be communicated with/break off tank inner chamber and sealed gas chamber, be formed with first passage, be communicated with free air diffuser and the outlet passageway of first passage and sealed gas chamber and the second channel that is communicated with first passage away from the end of tank body at said seal cover cap; Said first passage is provided with admission port and air extractor duct, and said admission port is communicated with source of the gas, and said air extractor duct is communicated with jet pipe; In said first passage, be provided with the pressure charging valve that increases first passage air extractor duct pressure, free air diffuser pressure; The junction of outlet passageway and first passage is near the first passage air extractor duct; The junction of second channel and first passage is near the first passage admission port; Connection/disconnection via source of the gas may command first valve of second channel.
2. wheel track porcelain sand blasting injection device according to claim 1 is characterized in that, in said outlet passageway, is provided with the pressure regulating valve of adjusting from sealed gas chamber effluent air pressure.
3. wheel track porcelain sand blasting injection device according to claim 1 is characterized in that said first valve comprises servo valve and service valve, and said servo valve drives said service valve connection/disconnection tank inner chamber and sealed gas chamber.
4. wheel track porcelain sand blasting injection device according to claim 1 is characterized in that, is provided with nozzle at said nozzle exit end.
5. wheel track porcelain sand blasting injection device according to claim 4 is characterized in that, is provided with the geometrical clamp that jet pipe is fixed at said jet pipe near an end of nozzle.
6. wheel track porcelain sand blasting injection device according to claim 4 is characterized in that, is provided with wear-resistant sleeve at nozzle and jet pipe junction.
7. wheel track porcelain sand blasting injection device according to claim 1 is characterized in that, is provided with the pressure-regulating device that intake pressure is regulated at the first passage admission port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102022073A CN102358296A (en) | 2011-07-19 | 2011-07-19 | Wheel-rail porcelain sand injection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102022073A CN102358296A (en) | 2011-07-19 | 2011-07-19 | Wheel-rail porcelain sand injection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102358296A true CN102358296A (en) | 2012-02-22 |
Family
ID=45583693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102022073A Pending CN102358296A (en) | 2011-07-19 | 2011-07-19 | Wheel-rail porcelain sand injection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102358296A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554298A (en) * | 2015-02-05 | 2015-04-29 | 南车株洲电力机车有限公司 | Locomotive and sanding device thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325573A (en) * | 1979-03-21 | 1982-04-20 | Knorr-Bremse Gmbh | Device for regulating discharge of sand from a vehicle sander |
| EP0499199A2 (en) * | 1991-02-15 | 1992-08-19 | Knorr-Bremse Ag | Sanding device for vehicles, especially railway vehicles |
| CN2392070Y (en) * | 1998-08-29 | 2000-08-16 | 中国石化齐鲁石油化工公司 | Device for examining and reparing conveniently railway LPG tank car |
| EP1182109A1 (en) * | 2000-03-17 | 2002-02-27 | Railway Technical Research Institute | Slip prevention particle injection device |
| US6588808B1 (en) * | 2002-02-22 | 2003-07-08 | General Electric Company | Locomotive rail conditioning system alignment verification |
| EP1647419A1 (en) * | 2004-10-15 | 2006-04-19 | Snfbo | Ejector for granular material |
| CN2801528Y (en) * | 2005-07-01 | 2006-08-02 | 株洲庆云电力机车配件工厂 | Jet device of wheel rail porcelain sand |
| CN201544130U (en) * | 2009-11-19 | 2010-08-11 | 河北华油一机图博涂层有限公司 | Sand blasting head for inner wall of steel pipe |
| CN201593406U (en) * | 2010-02-11 | 2010-09-29 | 西域科创(北京)油气装备技术研究院 | Sand jet perforator structure for improving use life |
| CN201856174U (en) * | 2010-10-15 | 2011-06-08 | 上海启发电子科技有限公司 | Jet nozzle of sand-blasting machine |
-
2011
- 2011-07-19 CN CN2011102022073A patent/CN102358296A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4325573A (en) * | 1979-03-21 | 1982-04-20 | Knorr-Bremse Gmbh | Device for regulating discharge of sand from a vehicle sander |
| EP0499199A2 (en) * | 1991-02-15 | 1992-08-19 | Knorr-Bremse Ag | Sanding device for vehicles, especially railway vehicles |
| CN2392070Y (en) * | 1998-08-29 | 2000-08-16 | 中国石化齐鲁石油化工公司 | Device for examining and reparing conveniently railway LPG tank car |
| EP1182109A1 (en) * | 2000-03-17 | 2002-02-27 | Railway Technical Research Institute | Slip prevention particle injection device |
| US6588808B1 (en) * | 2002-02-22 | 2003-07-08 | General Electric Company | Locomotive rail conditioning system alignment verification |
| EP1647419A1 (en) * | 2004-10-15 | 2006-04-19 | Snfbo | Ejector for granular material |
| CN2801528Y (en) * | 2005-07-01 | 2006-08-02 | 株洲庆云电力机车配件工厂 | Jet device of wheel rail porcelain sand |
| CN201544130U (en) * | 2009-11-19 | 2010-08-11 | 河北华油一机图博涂层有限公司 | Sand blasting head for inner wall of steel pipe |
| CN201593406U (en) * | 2010-02-11 | 2010-09-29 | 西域科创(北京)油气装备技术研究院 | Sand jet perforator structure for improving use life |
| CN201856174U (en) * | 2010-10-15 | 2011-06-08 | 上海启发电子科技有限公司 | Jet nozzle of sand-blasting machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554298A (en) * | 2015-02-05 | 2015-04-29 | 南车株洲电力机车有限公司 | Locomotive and sanding device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203666652U (en) | Sand spreading system for rail vehicle | |
| CN103569139A (en) | Sanding device for railway vehicles | |
| CN106379331B (en) | A kind of rail traffic vehicles sander | |
| CA2373676C (en) | Slip prevention particle injection device | |
| CN202213581U (en) | Vehicle sand-spraying device of railway locomotive | |
| WO2021135042A1 (en) | Railway vehicle with aerodynamic lift control device | |
| RU2296683C2 (en) | Linear pneumatic system for setting vehicles into motion | |
| CN203126851U (en) | High-pressure air rail top surface cleaning device | |
| CN102358296A (en) | Wheel-rail porcelain sand injection apparatus | |
| CN105346543B (en) | A kind of rail traffic vehicles and its sander | |
| JP5057447B2 (en) | Injection device | |
| CN202115519U (en) | Unblocking sanding device capable of sanding easily | |
| CN102626679A (en) | Sandblaster of electric locomotive | |
| CN101973188B (en) | Sand spraying equipment for railway vehicle | |
| CN201530382U (en) | Multifunctional sander of electric locomotive | |
| CN102923134A (en) | Sand spreading method and device of locomotive sand spreader | |
| CN211617685U (en) | Tackifying device | |
| CN203698277U (en) | Sanding device for railway vehicle | |
| CN209405926U (en) | A kind of windrow synchronization device for reducing dust | |
| CN205086918U (en) | High -speed peening auxiliary device of high -speed railway braking system | |
| CN111071270A (en) | Mechanical accelerating locomotive viscosity-increasing sand-spreading device | |
| CN109529496A (en) | A kind of synchronous dust-settling treatment method of windrow and device | |
| CN211441877U (en) | Guide wheel braking sand scattering device for railway vehicle | |
| CN107472263B (en) | A kind of stucco unit preventing stucco blockage | |
| CN109050545B (en) | Sanding device, control method thereof and locomotive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120222 |