CN104313955B - One has tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment - Google Patents
One has tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment Download PDFInfo
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- CN104313955B CN104313955B CN201410506719.2A CN201410506719A CN104313955B CN 104313955 B CN104313955 B CN 104313955B CN 201410506719 A CN201410506719 A CN 201410506719A CN 104313955 B CN104313955 B CN 104313955B
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- Prior art keywords
- sealing plate
- track
- sleeper
- dolly
- telescoping cylinder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
- E01B27/20—Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses one and have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, be all connected with PLC control system including heater, chiller and PLC control system, heater and chiller；Heater includes that oven heat (1), heating air pump (2) and heating dolly (5), heating air pump (2) one end connect oven heat (1), and the other end connects the hot air interface (4) that heating dolly (5) top is arranged；Chiller includes cooling down air pump (6) and cooling dolly (9), cooling air pump is connected with the cold wind interface (8) being arranged on cooling car top, originally there is tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, by heating system, cooling system and the cooperating of PLC control system, the sealing device utilizing heating dolly and cooling dolly realizes the two-stage to railway roadbed and seals, realize the heating and dehumidification to railway roadbed and cool, meeting humidity, the requirement of temperature to railway ballast in solidification work progress.
Description
Technical field
The present invention relates to a kind of dehumidification and temperature adjustment equipment, specifically one and have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, belong to railway and set
Standby technical field.
Background technology
Railway ballast typically refers to the railway ballast layer laid below sleeper, above roadbed, and it is the basis of track-frame, mainly
Effect is supporting sleeper, and the vehicular load that rail and sleeper are transmitted is evenly distributed to subgrade bed surface, reduces subgrade deformation,
Ensure traffic safety.Having tiny fragments of stone, coal, etc. railway ballast versatility good, range is extensive.
Railway ballast curing technology is for having tiny fragments of stone, coal, etc. railway construction, either in construction cost control or actual answering
All have great advantage with the effect aspect conventional art of comparing over, for guaranteeing construction quality, wet to railway ballast in work progress
Degree, temperature requirement are more strict, and wanting to reach construction requirement have to carry out pretreatment to railway roadbed.
The most common polyurethane foam auxiliary device, including dehydrating unit and register, this equipment is by railway roadbed
Carry out the dehumidification and temperature adjustment effect that wind injection can reach certain, but owing to there is no special sealing system to ensure the reality that wind is injected
Utilization rate, therefore existing equipment exists that efficiency is low, consume energy big defect, it is impossible to preferably meets railway roadbed and solidifies humidity and temperature
Requirement.
Summary of the invention
It is an object of the invention to provide one and have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is possible to efficiently to there being tiny fragments of stone, coal, etc. railway roadbed to remove
Wet, homoiothermic, reaches the construction requirement having tiny fragments of stone, coal, etc. railway roadbed curing technology.
For reaching above-mentioned purpose, originally there is tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, control including heater, chiller and PLC
System, heater and chiller are all connected with PLC control system；
Described heater includes oven heat, heating air pump and heating dolly, and described heating air pump one end connects heat
Baking oven, the other end connects the hot air interface that heating car top is arranged；
Described chiller includes cooling down air pump and cooling dolly, and described cooling air pump cools down little roof with being arranged on
The cold wind interface in portion connects；
Described heating dolly is consistent with cooling dolly on structure composition, all includes frame system and frame and seal assembly
System；
Described frame system and frame includes lead, telescoping cylinderAnd vehicle frame, leadAnd telescoping cylinderIt is installed in vehicle frame
On；
Described seal assembly system includes sleeper sealing device, track seal device and railway ballast sealing device, these three
Divide and connected by a main framing, by upper sealing plate and telescoping cylinderConnect, telescoping cylinderWith leadConnect；
Described sleeper sealing device include sleeper seal cotton, sleeper sealing plate, lead, upper sealing plate and telescoping cylinder
, sleeper seal cotton be arranged on sleeper sealing plate lower end, and can fit with the side of tie, sleeper sealing plate upper end is provided with guiding
Groove, lower end is provided with gathering sill, gathering sill, described gathering sill, gathering sillBetween gap and track in structure
Adapt with in size；Telescoping cylinderOne end connects seal assembly main framing, and the other end connects sleeper sealing plate, drives sleeper close
Shrouding is along the lead being fixed on upper sealing plateMove forward and backward, telescoping cylinderDrive sleeper sealing plate along leadUpper bottom
Move；
Described track seal device is divided into symmetrical two parts, gathering sill with track for axleFor both sides common component,
Left part includes telescoping cylinder, track seal cotton, gathering sillWith track sealing plate, described track sealing platePass through
Gathering sillAnd gathering sillConnect with sleeper sealing plate；Track seals cottonIt is fixed on track sealing plateOn, its shape and size
Match with on the left of track；Telescoping cylinderBack cylinder cover end connects with sleeper sealing plate, front end housing end and track sealing plateConnect；
Right part includes telescoping cylinder, track seal cotton, gathering sillWith track sealing plate, the connection of its same parts is closed
It is same left part, simply telescoping cylinderThe direction of motion and telescoping cylinderOn the contrary, track seals cottonShape and size with
Match on the right side of track；
Described railway ballast sealing device includes that railway ballast sealing plate support, balancing weight and railway ballast seal cotton, and described railway ballast is close
Shrouding support is the ingredient of main framing, and it is evenly distributed in the upper surface balancing weight, and lower surface laminating railway ballast seals cotton.
Preferably, oven heat uses liquefied gas burning to provide heat, and is provided with temperature sensor realization to combustion switch
Control.
Further, sleeper sealing plate seals the cotton edge having face to contact with tie by track and is equipped with sealing strip.
Further, it is provided with warm-air pipe between heating air pump and hot air interface.
Further, it is provided with cool air hose between cooling air pump and cold wind interface.
Preferably, telescoping cylinder is cylinder.
Further, the road wheel of heating dolly and cooling dolly is provided with brake positioning device.
Originally there is tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, by heating system, cooling system and the cooperating of PLC control system,
Heating dolly and the cooling tie sealing device of dolly, track seal device and railway ballast sealing device three part are by a main framing
Connecting, form two-stage and seal, stepped in planform, wherein, railway ballast sealing device is to seal at low ladder, and track is close
Seal apparatus is placed in inside tie sealing device, for sealing at high ladder, it is achieved to the heating and dehumidification of railway roadbed with cool, and meets
Humidity, the requirement of temperature to railway ballast in curing technology work progress；PLC is used to control the work of whole sealing system, from
Dynamicization degree is high, it is ensured that the accuracy of equipment operation and reliability.
Accompanying drawing explanation
Fig. 1 is the system synthesis figure of this invention；
Fig. 2 is the assembly figure of cart system；
Fig. 3 is that the A-A of Fig. 2 is to sectional view；
Fig. 4 is sleeper sealing device structure figure；
Fig. 5 is track seal device structure chart；
Fig. 6 is track seal device structure chart when being in sealing state；
Fig. 7 is the left view enlarged drawing of Fig. 5；
Fig. 8 is railway ballast sealing device structure figure.
In figure: 1, oven heat, 2, heating air pump, 3, warm-air pipe, 4, hot air interface, 5, heating dolly, 6, cooling air pump, 7,
Cool air hose, 8, cold wind interface, 9, cooling dolly, 10, sleeper sealing device, 11, lead, 12, telescoping cylinder, 13, vehicle frame,
14, track seal device, 15, railway ballast sealing device, 16, sleeper seal cotton, 17, sleeper sealing plate, 18, lead, 19, on
Shrouding, 20, sleeper, 21, telescoping cylinder, 22, telescoping cylinder, 23, track seal cotton, 24, track, 25, gathering sill, 26, stretch
Contracting cylinder, 27, gathering sill, 28, track sealing plate, 29, track seal cotton, 30, gathering sill, 31, track sealing plate
, 32, railway ballast sealing plate support, 33, balancing weight, 34, railway ballast seal cotton.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, originally there is tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, including heater, chiller and PLC control system,
Heater and chiller are all connected with PLC control system；
Described heater includes oven heat 1, heating air pump 2 and heating dolly 5, and described heating air pump 2 one end is even
Connecing oven heat 1, the other end connects the hot air interface 4 that heating dolly 5 top is arranged；
Described chiller includes cooling down air pump 6 and cooling dolly 9, and described cooling air pump 6 is with to be arranged on cooling little
The cold wind interface 8 at car 9 top connects；
It is different as differentiation that described heating dolly 5 simply connects wind regime with cooling dolly 9, and the two is on structure forms
Consistent, all include frame system and frame and seal assembly system；
As in figure 2 it is shown, described frame system and frame includes lead11, telescoping cylinder12 and vehicle frame 13, lead11 and stretch
Contracting cylinder12 are installed on vehicle frame 13；
As it is shown on figure 3, described seal assembly system is by upper sealing plate 19 and telescoping cylinder12 connect, telescoping cylinder12 with lead
Xiang Zhu11 connect；
Described seal assembly system includes sleeper sealing device 10, track seal device 14 and railway ballast sealing device 15,
This three part is connected by a main framing, forms two-stage and seals, and stepped in planform, railway ballast sealing device 15 is low
Sealing at ladder, it is internal that track seal device 14 is placed in tie sealing device 10, for sealing at high ladder；
As shown in Figures 2 to 4, described sleeper sealing device 10 includes that sleeper seals cotton 16, sleeper sealing plate 17, guides
Post18, upper sealing plate 19 and telescoping cylinder21, sleeper seals cotton 16 lower ends being arranged on sleeper sealing plate 17, and can be with tie 20
Side laminating, sleeper sealing plate 17 upper end is provided with gathering sill25, lower end is provided with gathering sill27, gathering sill30, described
Gathering sill27, gathering sillGap between 30 adapts in structure and size with track 24；Telescoping cylinder21 one end
Connecting seal assembly main framing, the other end connects sleeper sealing plate 17, drives sleeper sealing plate 17 along being fixed on upper sealing plate 19
Lead18 move forward and backward, telescoping cylinder12 drive sleeper sealing plate 17 along lead11 upper and lower displacements；
As shown in Fig. 2, Fig. 5, Fig. 6 and Fig. 7, described track seal device 14 is divided into symmetrical two with track 24 for axle
Part, gathering sill25 is both sides common component, and left part includes telescoping cylinder22, track seals cotton23, gathering sill27
With track sealing plate28, described track sealing plate28 pass through gathering sill25 and gathering sill27 with sleeper sealing plate 17 even
Connect；Track seals cotton23 are fixed on track sealing plateOn 28, its shape and size match on the left of track 24；Telescoping cylinder
22 back cylinder cover ends are connected with sleeper sealing plate 17, front end housing end and track sealing plate28 connect；Right part includes telescoping cylinder
26, track seals cotton29, gathering sill30 and track sealing plate31, the same left part of annexation of its same parts,
Simply telescoping cylinderThe direction of motion of 26 and telescoping cylinder22 is contrary, and track seals cottonThe shape and size of 29 are right with track 24
Match in side；
As shown in Figure 8, described railway ballast sealing device 15 includes that railway ballast sealing plate support 32, balancing weight 33 and railway ballast seal
Cotton 34, described railway ballast sealing plate support 32 is the ingredient of main framing, and it is evenly distributed in the upper surface balancing weight 33, and lower surface is fitted
One layer of railway ballast seals cotton 34.
Preferably, oven heat 1 uses liquefied gas burning to provide heat, and is provided with temperature sensor realization to combustion switch
Controlling, the use of temperature sensor can preferably ensure that the gas in oven heat 1 meets the requirement of preset temperature.
Further, sleeper sealing plate 17 seals cotton 16 edges having face to contact with tie 20 by sleeper and is equipped with sealing
Bar, forms dual-seal together with sleeper sealing plate 17, further increases sealing effectiveness.
Further, between heating air pump 2 and hot air interface 4, it is provided with warm-air pipe 3, is connected by the transition of warm-air pipe 3, just
In at hot blast pump 2 invariant position, heating dolly 5 can realize operation in relatively large-scale region, can reduce work
Industry amount.
Further, between cooling air pump 6 and cold wind interface 8, it is provided with cool air hose 7, is connected by the transition of cool air hose 7, just
In when cooling down air pump 6 invariant position, cooling dolly 9 can realize operation in relatively large-scale region, can reduce
Workload.
Preferably, telescoping cylinder is cylinder, by cylinder control sealing device compared with oil cylinder control, and light and flexible, no
Construction quality can be affected because railway roadbed is polluted by hydraulic fluid leak.
Further, the road wheel of heating dolly 5 and cooling dolly 9 is provided with brake positioning device, it is possible to more accurately
Parking in seal point, brake control to use manually with the automatically controlled mode combined, convenient operate.
During work, heating dolly 5 is moved to region to be heated, skidding, presses PLC control knob, start heating
System works, the now telescoping cylinder on vehicle frame 1312 move downward, and drive seal assembly system to pass through telescoping cylinder12 along guiding
Post11 move downward, and when railway ballast sealing device 15 falls, railway ballast seals cotton 34 in the action of gravity Xia Yuzha road of balancing weight 33
Laminating, completes railway ballast and seals, it is achieved primary seal；
While railway ballast has sealed, sleeper sealing device 10 in the vertical direction has also reached its predeterminated position, i.e.
Sleeper seals the horizontal plane at cotton 16 places and is less than plane on sleeper 20, now starts telescoping cylinder21 drive sleeper sealing plate 17 even
Band sleeper seals cotton 16 at leadMove towards sleeper 20 in the horizontal direction on 18, when sleeper seals cotton 16 and sleeper 20
During laminating, telescoping cylinder21 stop motions, complete sleeper and seal；
While sleeper has sealed, track seal device 14 in the vertical direction has also reached its predeterminated position, i.e.
Track seals cotton23 and track seal cottonThe horizontal plane at 29 places intersects with track 24；Now start the telescoping cylinder in left side
22 drive track sealing plate28 related tracks seal cotton23 along gathering sill25 and gathering sill27 in the horizontal direction towards track
24 motions；Also start the telescoping cylinder on right side simultaneously26 drive track sealing plate31 related tracks seal cotton29 along guiding
Groove25 and gathering sill30 move towards track 24 in the horizontal direction, when track seals cotton23 and track seal cotton29 points
When other and track 24 left and right sides are fitted, telescoping cylinder22 and telescoping cylinder26 stop motions, complete track and seal, real
Existing secondary seal；
After above sealing system completes, oven heat 1 is added hot-air by liquefied gas burning infrared mode, heats air pump
2 thermal currents being up to preset temperature are delivered to heat dolly 5 by hot air interface 4, and the gas of heating is close heating dolly 5
In envelope system, railway roadbed is carried out heating and dehumidification, after reaching temperature and humidity and requiring, be again started up PLC control system, first
Releasing track seals, and i.e. starts telescoping cylinder22 and telescoping cylinder26 bring up track sealing plate at horizontal reverse28 and track
Sealing plate31 leave track；Secondly release sleeper to seal, i.e. start telescoping cylinder21 drive sleeper sealing plate in the horizontal direction
17 leave sleeper 20；Then telescoping cylinder is started12 lift-off seal assembly system main framings, drive railway ballast sealing plate support 32 and
The railway ballast of lower surface seals cotton 34 and leaves Zha Dao, finally discharges brake, heating dolly 5 is moved to next station；
Finally cooling dolly 9 is moved to the heating region at former heating dolly 5 place, according to the control of above-mentioned heating dolly 5
After flow process completes the seal operation to railway roadbed, start cooling air pump 6, in cooling dolly 9, inject cold airflow by cool air hose 7,
Stopping note wind after railway ballast temperature reaches design temperature, also according to the operating process depressurization to heating dolly 5, release is stopped
Car, moves to next station by cooling dolly 9.
It is more than one and complete has tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment workflow.
Claims (7)
1. have a tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, including heater, chiller and PLC control system, heater and
Chiller is all connected with PLC control system；
Described heater includes oven heat (1), heating air pump (2) and heating dolly (5), described heating air pump (2)
End connects oven heat (1), and the other end connects the hot air interface (4) that heating dolly (5) top is arranged；
Described chiller include cool down air pump (6) and cool down dolly (9), described cooling air pump (6) be arranged on cooling
The cold wind interface (8) at dolly (9) top connects；
It is characterized in that, described heating dolly (5) is consistent with cooling dolly (9) on structure composition, all includes vehicle frame
System and seal assembly system；
Described frame system and frame includes lead(11), telescoping cylinderAnd vehicle frame (13), lead (12)And telescoping cylinder (11)
(12) it is installed on vehicle frame (13)；
Described seal assembly system includes sleeper sealing device (10), track seal device (14) and railway ballast sealing device
(15), this three part is connected by a main framing, by upper sealing plate (19) and telescoping cylinder(12) connect, telescoping cylinder(12) with lead
Xiang Zhu(11) connect；
Described sleeper sealing device (10) includes that sleeper seals cotton (16), sleeper sealing plate (17), lead(18), upper envelope
Plate (19) and telescoping cylinder(21), sleeper seals cotton (16) and is arranged on the lower end of sleeper sealing plate (17), and with tie (20)
Fitting in side, sleeper sealing plate (17) upper end is provided with gathering sill(25), lower end is provided with gathering sill(27), gathering sill
(30), described gathering sill(27), gathering sill(30) gap between is fitted in structure and size mutually with track (24)
Should；Telescoping cylinder(21) one end connects seal assembly main framing, and the other end connects sleeper sealing plate (17), drives sleeper sealing plate
(17) along being fixed on the lead on upper sealing plate (19)(18) move forward and backward, telescoping cylinder(12) sleeper sealing plate (17) is driven
Along lead(11) upper and lower displacement；
Described track seal device (14) is that axle is divided into symmetrical two parts, gathering sill with track (24)(25) it is both sides
Common component, left part includes telescoping cylinder(22), track seals cotton(23), gathering sillAnd track sealing plate (27)
(28), described track sealing plate(28) gathering sill is passed throughAnd gathering sill (25)(27) it is connected with sleeper sealing plate (17)；
Track seals cotton(23) track sealing plate it is fixed on(28), on, its shape and size match with track (24) left side；Flexible
Cylinder(22) back cylinder cover end is connected with sleeper sealing plate (17), front end housing end and track sealing plate(28) connect；Right part
Including telescoping cylinder(26), track seals cotton(29), gathering sillAnd track sealing plate (30)(31), its same parts
The same left part of annexation, simply telescoping cylinder(26) the direction of motion and telescoping cylinder(22) contrary, track seals cotton
(29) shape and size match with track (24) right side；
Described railway ballast sealing device (15) includes that railway ballast sealing plate support (32), balancing weight (33) and railway ballast seal cotton (34),
Described railway ballast sealing plate support (32) is the ingredient of main framing, and it is evenly distributed in the upper surface balancing weight (33), and lower surface is fitted
Railway ballast seals cotton (34).
The most according to claim 1 have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is characterised in that described oven heat (1) uses
Liquefied gas burning provides heat, and is provided with the temperature sensor realization control to combustion switch.
The most according to claim 1 and 2 have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is characterised in that described sleeper sealing plate
(17) edge having face to contact with tie (20) by sleeper sealing cotton (16) is equipped with sealing strip.
The most according to claim 1 and 2 have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is characterised in that described heating air pump (2)
And between hot air interface (4), it is provided with warm-air pipe (3).
The most according to claim 1 and 2 have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is characterised in that described cooling air pump (6)
And between cold wind interface (8), it is provided with cool air hose (7).
The most according to claim 1 and 2 have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is characterised in that described telescoping cylinder is
Cylinder.
The most according to claim 1 and 2 have tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment, it is characterised in that described heating dolly (5)
It is provided with brake positioning device with the road wheel of cooling dolly (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506719.2A CN104313955B (en) | 2014-09-28 | 2014-09-28 | One has tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410506719.2A CN104313955B (en) | 2014-09-28 | 2014-09-28 | One has tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104313955A CN104313955A (en) | 2015-01-28 |
| CN104313955B true CN104313955B (en) | 2016-08-31 |
Family
ID=52369255
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410506719.2A Active CN104313955B (en) | 2014-09-28 | 2014-09-28 | One has tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN104313955B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680570B (en) * | 2019-01-20 | 2024-04-16 | 江苏奥新科技有限公司 | Integrated intelligent track dust removal dehumidification heating car |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2240572A (en) * | 1990-02-06 | 1991-08-07 | Plasser Bahnbaumasch Franz | A continuously advancing track maintenance machine for consolidating ballast bed of a railway track |
| CN101370983A (en) * | 2006-01-20 | 2009-02-18 | 拜尔材料科学股份公司 | Ballast roadbed and method for manufacturing ballast roadbed |
| CN101878339A (en) * | 2007-11-27 | 2010-11-03 | 亨内克股份有限公司 | The method and the device that is used to carry out the method that are used for the compacting railway roadbed |
| CN202000225U (en) * | 2011-03-30 | 2011-10-05 | 中铁一局集团有限公司 | Sleeper electrical-heating steam curing system |
| CN202106502U (en) * | 2011-05-31 | 2012-01-11 | 上海齐敬机械有限公司 | Polyurethane foam auxiliary device |
| CN204112175U (en) * | 2014-09-28 | 2015-01-21 | 徐州徐工铁路装备有限公司 | There is tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment |
-
2014
- 2014-09-28 CN CN201410506719.2A patent/CN104313955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2240572A (en) * | 1990-02-06 | 1991-08-07 | Plasser Bahnbaumasch Franz | A continuously advancing track maintenance machine for consolidating ballast bed of a railway track |
| CN101370983A (en) * | 2006-01-20 | 2009-02-18 | 拜尔材料科学股份公司 | Ballast roadbed and method for manufacturing ballast roadbed |
| CN101878339A (en) * | 2007-11-27 | 2010-11-03 | 亨内克股份有限公司 | The method and the device that is used to carry out the method that are used for the compacting railway roadbed |
| CN202000225U (en) * | 2011-03-30 | 2011-10-05 | 中铁一局集团有限公司 | Sleeper electrical-heating steam curing system |
| CN202106502U (en) * | 2011-05-31 | 2012-01-11 | 上海齐敬机械有限公司 | Polyurethane foam auxiliary device |
| CN204112175U (en) * | 2014-09-28 | 2015-01-21 | 徐州徐工铁路装备有限公司 | There is tiny fragments of stone, coal, etc. railway roadbed dehumidification and temperature adjustment equipment |
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| CN104313955A (en) | 2015-01-28 |
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