CN102966014B - Rail grinding dust-precipitating system and rail grinding wagon - Google Patents
Rail grinding dust-precipitating system and rail grinding wagon Download PDFInfo
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- CN102966014B CN102966014B CN201210530450.2A CN201210530450A CN102966014B CN 102966014 B CN102966014 B CN 102966014B CN 201210530450 A CN201210530450 A CN 201210530450A CN 102966014 B CN102966014 B CN 102966014B
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Abstract
The invention provides a rail grinding dust-precipitating system and a rail grinding wagon. The system comprises a grinding device and a dust precipitating device, wherein the dust precipitating device is arranged above the grinding device; the grinding device comprises a box body, a plurality of grinding heads and feeding mechanisms for controlling grinding angles of the grinding heads; the grinding heads and the feeding mechanisms are arranged in the box body; a blowing unit blows wind to the grinding device to blow up sparkles and dust generated by the grinding device when the rail is ground; an air draft unit sucks the sparkles and the dust into a dust filtration unit and filter and precipitate the dust in the dust filtration unit; and the filtered air is exhausted through the air outlet of the air draft unit. By virtue of the blowing unit and the air draft unit, the blowing unit generates powerful airflow to roll up most of the dust, change the motion track of the dust; the air draft unit generates powerful dust precipitating airflow to suck the rolled dust and the other particles into the dust filtration unit, and filter and precipitate the dust in the dust filtration unit, so that the dust control efficiency can be improved.
Description
Technical field
The present invention relates to Machine Manufacturing Technology, especially relate to a kind of track polishing dust-precipitating system and grinding machine.
Background technology
Along with the development of railway high speed and heavy duty, more and more harsher to rail service condition, rail can produce the defects such as fatigue crack, fat edges and undulatory wear, can affect rolling stock traveling comfort and safety, above-mentioned defect can be accelerated rail inefficacy simultaneously, brings larger economic loss.Carrying out preventative to rail is the requisite measure that extends rail life, improves comfortableness, economy and safety with corrective maintenance.At present, rail repair mode mainly contains the modes such as polishing, planing, milling and hand lapping, wherein, adopt efficient grinding machine to rail repair application the most general.
When grinding machine work, by the emery wheel of High Rotation Speed, rail is carried out to grinding, remove surface metal, recover rail ideal geometry, excellent surface state and good longitudinal smoothness.Steel rail grinding produces a large amount of Mars that is close to molten state, and major part sticks on equipment, and another part is converted into dust and swims in air.A large amount of Mars adhering to is gathered into piece, causes pipeline and electric wire scaling loss, and equipment high temperature damages.Floating dust affects environment, easily causes electric fixtures short circuit, and the train that the magnetic dust being scattered is easily run at high speed is rolled, serious threat safety in operation.For these reasons, polishing dust must be removed as far as possible.
Fig. 1 is the structural representation of polishing dust collect plant of the prior art; As shown in Figure 1, existing steel rail grinding dust-precipitating system comprises sanding apparatus 1a and dust collect plant 2a, and dust collect plant 2a is arranged on sanding apparatus 1a top, between dust collect plant 2a and sanding apparatus 1a, is communicated with by pipeline 3a.Wherein, dust collect plant 2a comprises blower fan 21a, filter dirt case 22a, disposal box 23a, filter screen 24a and air channel 25a.Filter screen 24a is arranged in filter dirt case 22a, and the air intake of blower fan 21a is communicated with filter dirt case 22a, and the air outlet of blower fan 21a is in communication with the outside, and disposal box 23a is arranged on filter dirt case 22a bottom and is communicated with filter dirt case 22a.
Blower fan 21a is rotated in air channel and forms negative-pressure air-flow, and the part dust that sanding apparatus 1a work produces by the road 3a is delivered in filter dirt case 22a, and after filter screen 24a filters, dust drops to disposal box 22a.The cleaned air filtering through filter screen 24a is discharged through the air outlet of blower fan 21a.
Steel rail grinding dust-precipitating system of the prior art, cannot be changed big dust particle movement locus and cannot be absorbed big dust particle by negative-pressure air-flow, and dust catching efficiency is low, is only that 10% ~ 20% dust can be collected.A large amount of Mars are assembled on equipment, easily cause device damage, and are difficult to cleaning; The Mars personnel that cause of splashing injure, and to around cause disaster hidden-trouble, the dust not being collected causes surrounding environment dust density high, particularly subway and the tunnel of growing up, the dust the filling the air personnel that cause operate and equipment operating environment severe.A large amount of heats of assembling easily cause pipeline and equipment damage, possible initiation fire.Be scattered in a large number the train that the dust commute on railway roadbed run at high speed and roll, affect safe operation.
Summary of the invention
The invention provides a kind of track polishing dust-precipitating system and grinding machine, cannot change the low technological deficiency of movement locus, dust catching efficiency of big dust particle for solving prior art middle orbit polishing dust-precipitating system.
A kind of track polishing dust-precipitating system provided by the invention, comprises sanding apparatus and dust collect plant, and described dust collect plant is arranged on described sanding apparatus top;
Described sanding apparatus comprises casing, multiple grinding head and for controlling the feed mechanism of grinding angle of described grinding head, described grinding head and feed mechanism are arranged in described casing;
Described dust collect plant comprises for carrying the blowing unit of high velocity air to described sanding apparatus, for the air draught unit of dust adsorption in described sanding apparatus with for the filter dirt unit of Chalk-dust filtering; The blowing mouth of described blowing unit is communicated with described casing; The inlet scoop of described air draught unit is communicated with described filter dirt unit and described casing successively, and the air outlet of described air draught unit is in communication with the outside;
Described blowing unit blows afloat to blowing produces described sanding apparatus polishing orbit in described sanding apparatus spark and dust, described air draught unit sucks described spark and dust in described filter dirt unit, and in described filter dirt unit inner filtration deposition, the air after filtration is discharged by the air outlet of described air draught unit.
Track polishing dust-precipitating system as above, preferably, described blowing unit comprises centrifugal blower and blower; The air outlet of described centrifugal blower is communicated with described blower one end, and the described blower other end is communicated with the air intake on described casing top;
Described air intake device comprises axial flow blower, aspiration channel and exhast duct; The air intake of described axial flow blower is communicated with described filter dirt unit, and the air outlet of described axial flow blower is communicated with and leads to the external world with described exhast duct, and described aspiration channel one end is communicated with described filter dirt unit, and the described aspiration channel other end is communicated with described casing;
Described filter dirt unit comprises that between filter dirt, between crumb loading and filter medium, described filter medium is arranged in described filter dirt, between described crumb loading with between described filter dirt, is communicated with and is positioned at bottom between described filter dirt.
Track polishing dust-precipitating system as above, preferably, described blowing unit also comprises blowing kuppe, and described blowing kuppe one end is communicated with the air outlet of described centrifugal blower, and the described blowing kuppe other end is communicated with described blower;
Described air draught unit also comprises air draught kuppe, and described air draught kuppe one end is communicated with the air outlet of described axial flow blower, and the described air draught kuppe other end is communicated with described filter dirt unit.
Track as above polishing dust-precipitating system, preferably, the quantity of described blowing unit is two and is separately positioned on the both sides of described filter dirt unit;
Each blowing unit has a centrifugal blower, two blowing kuppes and two blowers, and described blower is communicated with the blowing mouth near described casing side end.
Track as above polishing dust-precipitating system, preferably, the quantity of described axial flow blower be two and respectively with described filter dirt between both sides be communicated with.
Track polishing dust-precipitating system as above, preferably, described track polishing dedusting system also comprises two drive motors, each axial flow blower is coaxial with a centrifugal blower, and is connected with the output shaft of a drive motors.
Track polishing dust-precipitating system as above, preferably, the quantity of described aspiration channel is two, and described aspiration channel is communicated with the inlet scoop at close described casing middle part.
Track polishing dust-precipitating system as above, preferably, described blower and aspiration channel are bellows.
Track polishing dust-precipitating system as above, is characterized in that the filter paper that described filter medium is stacked setting.
The present invention also provides a kind of grinding machine, comprise vehicle frame, this grinding machine also comprises the track polishing dust-precipitating system that summary of the invention provides, described dust collect plant is arranged on described vehicle frame top, described sanding apparatus is hung on described vehicle frame bottom, and the roller of described sanding apparatus is used for being erected at treats polishing orbit.
Track polishing dust-precipitating system provided by the invention and grinding machine, owing to being provided with blowing unit and air draught unit, the powerful air-flow that blowing unit produces can be rolled most of dust, change its movement locus, the powerful control of dust air-flow that air draught unit produces can suck filter dirt unit by rolled-up dust and other particles, and in filter dirt unit inner filtration deposition, thereby can improve dust catching efficiency; And powerful air-flow can carry out spark cooling, prevent that it is deposited as piece on sanding apparatus, avoid damaging sanding apparatus, reduce to clear up maintenance work amount.
Brief description of the drawings
Fig. 1 is the structural representation of polishing dust-precipitating system of the prior art;
The structural representation of the track polishing dust-precipitating system that Fig. 2 provides for the embodiment of the present invention;
The stereogram of the sanding apparatus that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the front view of sanding apparatus shown in Fig. 3.
Reference numeral:
1-sanding apparatus; 2-dust collect plant; 21-blowing unit;
22-air draught unit; 23-filters dirt unit; 211-centrifugal blower.
212-blower; The 213-kuppe of drying; 221-axial flow blower;
222-aspiration channel; 223-exhast duct; 224-air draught kuppe;
Between 231-filter dirt; Between 232-crumb loading; 223-filter medium;
3-drive motors.
Detailed description of the invention
With reference to figure 2 ~ 4, the structural representation of the track polishing dust-precipitating system that Fig. 2 provides for the embodiment of the present invention; The stereogram of the sanding apparatus that Fig. 3 provides for the embodiment of the present invention; Fig. 4 is the front view of sanding apparatus shown in Fig. 3.
As shown in Fig. 2 ~ 4, the track polishing dust-precipitating system that the present embodiment provides, comprise sanding apparatus 1 and dust collect plant 2, dust collect plant 2 is arranged on sanding apparatus 1 top, particularly, sanding apparatus 1 can be arranged on vehicle frame 10 bottoms of grinding machine, can sanding apparatus 1 be connected with vehicle frame 10 by connecting rod, dust collect plant 2 can be arranged on vehicle frame 10 tops, between dust collect plant 2 and vehicle frame 10, is connected by the connected mode such as bolt or welding.
Sanding apparatus 1 comprises casing 11, multiple grinding head 12 and for controlling the feed mechanism 13 of grinding angle of grinding head 12, grinding head 12 and feed mechanism 13 are arranged in casing 11, can drive grinding head 12 to rotate by polishing motor 14, track is polished, feed mechanism 13 can drive grinding head 12 15 to rotate around the shaft, to change the grinding angle of grinding head 12.Casing 11 bottoms are provided with the fiery curtain 16 of gear, keep off fiery curtain 16 and casing 11 and can form sealing of hole space by between sanding apparatus 1 and track to be polished, and spark and the dust of grinding head 12 polishing orbits generations are contained in sealing space.
Dust collect plant 2 comprises for carrying the blowing unit 21 of high velocity air to sanding apparatus 1, for the air draught unit 22 from sanding apparatus 1 interior dust adsorption with for the filter dirt unit 23 of Chalk-dust filtering; The blowing mouth of blowing unit 21 is communicated with casing 11; The inlet scoop of air draught unit 22 is communicated with filter dirt unit 23, casing 11 successively, and the air outlet of air draught unit 22 is in communication with the outside.
Spark from sanding apparatus 1 polishing orbit to the interior blowing of sanding apparatus 1 and dust that blowing unit 21 produces blow afloat, air draught unit 22 sucks spark and dust in filter dirt unit 23, and in filter dirt unit 23 inner filtration depositions, the air after filtration is discharged by the air outlet of air draught unit 22.
Particularly, in blowing unit 21, can in casing 11, blow high velocity air by blower fan, in air draught unit 22, can in casing 11, provide negative pressure by blower fan, by the spark in casing 11 and dust inspiration filter dirt unit 23, at filter dirt unit 23 inner filtrations, dust and other particles fall into filter 23 bottoms, dirt unit, and the cleaned air after being filtered is discharged from.
Preferred scheme is that blowing unit 21 comprises centrifugal blower 211 and blower 212; The air outlet of centrifugal blower 211 is communicated with blower 212 one end, and blower 212 other ends are communicated with the air intake 111 on casing 11 tops.Blower 212 can adopt multiple tubing to make, and preferably, blower 212 can be bellows, because bellows is scalable and bending, thereby is convenient to the installment and debugging of blower 212.
Air intake device 22 comprises axial flow blower 221, aspiration channel 222 and exhast duct 223; The air intake of axial flow blower 221 is communicated with filter dirt unit 23, and the air outlet of axial flow blower 221 is communicated with and leads to the external world with exhast duct 223, and aspiration channel 222 Yu Lvchen unit, one end 23 are communicated with, and aspiration channel 222 other ends are communicated with casing 11.Preferably, aspiration channel 222 can be bellows, because bellows is scalable and bending, thereby is convenient to the installment and debugging of aspiration channel 222.
Filter dirt unit 23 comprises between filter dirt 231, between crumb loading 232 and filter medium 233, filter medium 233 is arranged between filter dirt in 231, between crumb loading 232 with filter dirt between 231 is communicated with and is positioned at and filter 231 bottoms between dirt, filter medium 233 can have polytype, as filter screen etc., preferably, filter medium 233 can be the filter paper of stacked setting, adopt filter paper as filter medium, can improve the effect of filter dirt.
Further, blowing unit 21 also comprises blowing kuppe 213, and blowing kuppe 213 one end are communicated with the air outlet of centrifugal blower 211, and blowing kuppe 213 other ends are communicated with blower 212;
The quantity of blowing unit 21 is two and is separately positioned on the both sides of filtering dirt unit 23; Each blowing unit 21 has a centrifugal blower 1, two blowing kuppes 213 and two blowers 212, and blower 212 is communicated with the blowing mouth 111 near casing 11 side ends.
Air draught unit 22 also comprises air draught kuppe 224, and air draught kuppe 224 one end are communicated with the air outlet of axial flow blower 221, between the filter dirt of air draught kuppe 224 other ends and filter dirt unit 3,231 is communicated with.The quantity of axial flow blower 221 be two and respectively with filter dirt between 231 both sides be communicated with.Preferably, the quantity of aspiration channel 222 is two, and aspiration channel 222 is communicated with the inlet scoop 112 at close casing 11 middle parts.
Further, track polishing dedusting system also comprises two drive motors 3, and each axial flow blower 221 is coaxial with a centrifugal blower 211, and is connected with the output shaft of a drive motors 3.Drive an axial flow blower 221 and centrifugal blower 211 by a drive motors 3, can reduce the installing space of blowing unit 21 and air draught unit 22, and can reduce costs.
Illustrate operating principle and the course of work of the track polishing dust-precipitating system that the present embodiment provides below:
Centrifugal blower 211 and axial flow blower 221 rotate under the driving of drive motors 3, centrifugal blower 211 produces swiftly flowing air-flow, under the effect of blowing kuppe 213, enter casing 11 inside by blower 212, enter the powerful air-flow of casing 11 inside to the violent disturbance of the inner generation of casing 11, change the direction of motion of spark, and spark and sanding apparatus 1 are carried out cooling, prevent that spark is deposited on sanding apparatus 1.High velocity air is rolled the dust being deposited on bed surface simultaneously.
Simultaneously, axial flow blower 221 produces negative-pressure air-flow, under axial flow blower 221 effects, the larger negative pressure of 231 interior generation between filter dirt, makes to produce larger suction with filtering 231 aspiration channels that are communicated with 222 between dirt, and casing 11 is communicated with aspiration channel 222, the powerful air-flow of aspiration channel 222 sucks between filter dirt 231 by a large amount of dust, after between dirt, the filter medium 233 in 231 filters after filtration, dust and other particle are separated and drop between crumb loading in 232, and clean air is discharged through exhast duct 223.
The powerful air-flow that blowing unit 21 produces can change the flight path of polishing spark, and can be effectively cooling to spark enforcement, prevents that spark deposition is in sanding apparatus 1 inside.Simultaneously, the dust that the powerful control of dust air-flow that air draught unit 22 produces produces polishing and the fine particle thing that is scattered in railway roadbed are rolled, blowing unit 21 can be at the inner pressure-fired that forms of sanding apparatus 1, can further increase the speed of control of dust air-flow, based on above-mentioned two reasons, greatly improve dust catching efficiency.
The track polishing dust-precipitating system that the present embodiment provides, owing to being provided with blowing unit 21 and air draught unit 22, the powerful air-flow that blowing unit 21 produces can be rolled most of dust, change its movement locus, the powerful control of dust air-flow that air draught unit 22 produces can suck filter dirt unit 23 by rolled-up dust and other particles, and in filter dirt unit 23 inner filtration depositions, thereby can improve dust catching efficiency; And powerful air-flow can carry out spark cooling, prevent that it is deposited as piece on sanding apparatus 1, avoid damaging sanding apparatus 1, reduce to clear up maintenance work amount; In addition, the electric mill of can also fighting each other machine 14 carries out cooling, and the motor 14 high temperature scaling loss that prevent from polishing improve polishing 14 life-spans of motor and stream time.
The embodiment of the present invention also provides a kind of grinding machine, comprise vehicle frame 10, this grinding machine also comprises the track polishing dust-precipitating system that above-described embodiment provides, dust collect plant 2 is arranged on vehicle frame 10 tops, sanding apparatus 1 is hung on vehicle frame 10 bottoms, and the roller 16 of sanding apparatus 1 is treated polishing orbit for being erected at.
The grinding machine that the present embodiment provides, the technique effect of the track polishing dust-precipitating system that technique effect provides with above-described embodiment is identical, does not repeat them here.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a track polishing dust-precipitating system, is characterized in that, comprises sanding apparatus and dust collect plant, and described dust collect plant is arranged on described sanding apparatus top;
Described sanding apparatus comprises casing, multiple grinding head and for controlling the feed mechanism of grinding angle of described grinding head, described grinding head and feed mechanism are arranged in described casing;
Blowing unit blows afloat to blowing produces described sanding apparatus polishing orbit in described sanding apparatus spark and dust, air draught unit sucks described spark and dust in filter dirt unit, and in described filter dirt unit inner filtration deposition, the air after filtration is discharged by the air outlet of described air draught unit;
Described blowing unit comprises centrifugal blower and blower; The air outlet of described centrifugal blower is communicated with described blower one end, and the described blower other end is communicated with the air intake on described casing top;
Described air draught unit comprises axial flow blower, aspiration channel and exhast duct; The air intake of described axial flow blower is communicated with described filter dirt unit, and the air outlet of described axial flow blower is communicated with and leads to the external world with described exhast duct, and described aspiration channel one end is communicated with described filter dirt unit, and the described aspiration channel other end is communicated with described casing;
Described filter dirt unit comprises that between filter dirt, between crumb loading and filter medium, described filter medium is arranged in described filter dirt, between described crumb loading with between described filter dirt, is communicated with and is positioned at bottom between described filter dirt.
2. track polishing dust-precipitating system according to claim 1, it is characterized in that, described blowing unit also comprises blowing kuppe, and described blowing kuppe one end is communicated with the air outlet of described centrifugal blower, and the described blowing kuppe other end is communicated with described blower;
Described air draught unit also comprises air draught kuppe, and described air draught kuppe one end is communicated with the air outlet of described axial flow blower, and the described air draught kuppe other end is communicated with described filter dirt unit.
3. track according to claim 2 polishing dust-precipitating system, is characterized in that, the quantity of described blowing unit is two and is separately positioned on the both sides of described filter dirt unit;
Each blowing unit has a centrifugal blower, two blowing kuppes and two blowers, and described blower is communicated with the blowing mouth near described casing side end.
4. track according to claim 3 polishing dust-precipitating system, is characterized in that, the quantity of described axial flow blower be two and respectively with described filter dirt between both sides be communicated with.
5. track polishing dust-precipitating system according to claim 4, is characterized in that, described track polishing dedusting system also comprises two drive motors, and each axial flow blower is coaxial with a centrifugal blower, and is connected with the output shaft of a drive motors.
6. according to the track polishing dust-precipitating system described in claim 1～5 any one, it is characterized in that, the quantity of described aspiration channel is two, and described aspiration channel is communicated with the inlet scoop at close described casing middle part.
7. according to the track polishing dust-precipitating system described in claim 1～5 any one, it is characterized in that, described blower and aspiration channel are bellows.
8. according to the track polishing dust-precipitating system described in claim 1～5 any one, it is characterized in that the filter paper that described filter medium is stacked setting.
9. a grinding machine, comprise vehicle frame, it is characterized in that, this grinding machine also comprises the track polishing dust-precipitating system described in claim 1～8 any one, described dust collect plant is arranged on described vehicle frame top, described sanding apparatus is hung on described vehicle frame bottom, and the roller of described sanding apparatus is used for being erected at treats polishing orbit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210530450.2A CN102966014B (en) | 2012-12-10 | 2012-12-10 | Rail grinding dust-precipitating system and rail grinding wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210530450.2A CN102966014B (en) | 2012-12-10 | 2012-12-10 | Rail grinding dust-precipitating system and rail grinding wagon |
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| Publication Number | Publication Date |
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| CN102966014A CN102966014A (en) | 2013-03-13 |
| CN102966014B true CN102966014B (en) | 2014-12-03 |
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| CN201210530450.2A Active CN102966014B (en) | 2012-12-10 | 2012-12-10 | Rail grinding dust-precipitating system and rail grinding wagon |
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| CN103911926A (en) * | 2014-04-22 | 2014-07-09 | 北京二七机车工业有限责任公司 | Steel rail polishing vehicle |
| CN103911924A (en) * | 2014-04-22 | 2014-07-09 | 北京二七机车工业有限责任公司 | Polishing unit for steel rail polishing vehicles |
| CN103911925A (en) * | 2014-04-22 | 2014-07-09 | 北京二七机车工业有限责任公司 | Steel rail polishing vehicle frame |
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| DE202017103078U1 (en) * | 2017-05-22 | 2017-06-21 | Robel Bahnbaumaschinen Gmbh | Manually slidable rail grinder on rails of a track |
| CN109958010A (en) * | 2017-12-22 | 2019-07-02 | 中车北京二七机车有限公司 | Rail grinding machine |
| CN111005269B (en) * | 2019-12-31 | 2021-07-09 | 江苏瑞文戴尔交通科技有限公司 | Tram rail grinding wagon |
| DE102021200647A1 (en) | 2021-01-26 | 2022-07-28 | Robel Bahnbaumaschinen Gmbh | Method and grinding unit for dry grinding at least one rail of a track |
| CN112772237A (en) * | 2021-02-05 | 2021-05-11 | 广州思航科技信息有限公司 | Seedling bed for agricultural greenhouse |
| CN113146478B (en) * | 2021-03-09 | 2022-07-15 | 山东开泰抛丸机械股份有限公司 | Shot blasting device for wheel rail of rail transit |
| CN116905295A (en) * | 2023-07-26 | 2023-10-20 | 湖北铂金斯工业技术有限公司 | Polishing dust collector |
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