CN2830483Y - Railway switch snow melting appts. - Google Patents
Railway switch snow melting appts. Download PDFInfo
- Publication number
- CN2830483Y CN2830483Y CNU2005200924468U CN200520092446U CN2830483Y CN 2830483 Y CN2830483 Y CN 2830483Y CN U2005200924468 U CNU2005200924468 U CN U2005200924468U CN 200520092446 U CN200520092446 U CN 200520092446U CN 2830483 Y CN2830483 Y CN 2830483Y
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- electric heater
- railway
- switch
- rail
- geometrical clamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to a railway switch snow melting device which can automatically melt snow on a switch position. The utility model is characterized in that an isolating control power supply is connected with the conductor wire of a flat strip electric heater via a cable buried underground. The flat strip electric heater and a fixing clamp are connected and fixed via connection screw bolts on a railway switch stock rail for fixing ties. A wire connection part of the flat strip electric heater is visibly arranged outside the switch stock rail joined with a tongue, and an electrical heating part is arranged in the flat strip electric heater which is fastened on a rail waist of the switch stock rail by the fixing clamp. The utility model does not change or destroy any components of the railway switch, does not interfere with any other railway electrical system and guarantees normal snow removing on the switch position, normal work of a switch converting device and normal railway traffic under the conditions of environmental temperature of minus 26 DEG C, wind speed of 9m/s and snowfall of 12 mm/12h, as is shown by tests.
Description
Technical field
The utility model belongs to the corollary apparatus of railway transportation facility, relates to a kind of ice and snow that melts deironing way trouble position automatically that has, and guarantees the point tongue conversion freely, the chain railway switch device for melting snow to bit function of signal.
Background technology
Area at the high height above sea level of China's high latitude, rail transportation system is usually perplexed by ice and snow weather in the winter time, particularly bigger snowstorm, usually since clear the snow untimely or snow removing thoroughly do not cause railway transportation overdue, stop transport, even the person and security incident take place.How in time, safety, economy, remove the particularly accumulated snow at railway switch position of railway reliably, prevent the generation of the malfunctioning phenomenon of track switch reforming unit, be that the railway interests of railway traffic transportation system, mine, large enterprise inside attaches great importance to and insoluble problem always.The snow-removing method that tradition adopts is manually to sweep away snow, though this method clears the snow thoroughly, but existence is wasted time and energy, is influenced vehicle and normally moves, also cause the drawback of personal safety accident simultaneously easily, particularly night and remote districts track switch accumulated snow, be difficult in time remove, this is the chronic illness of a safe and punctual operation of influence for the current railway transportation that locomotive speed is more and more faster, the train number frequency is more and more higher really.Except manually sweeping away snow, adopt chemical snow melt, machinery to block methods such as formula snow defence, the snow melt of high pressure air-sweeping type and electrical heating type snow melt at present in addition, these methods are mostly immature because of technology, cost is high, use is dangerous, installation is numerous and diverse, unreliable, energy consumption is big etc., and many reasons can't be applied on a large scale.Chinese patent ZL94228996 by retrieval, ZL95247050, disclosed all is the technical scheme that adopts the electric calorifie installation snow melt, but they exist common problem to be: 1, the electric heating tube that snow melt is used is because big in the long-pending size of the identical situation lower section of power output, be difficult to be installed in the slit that remains when point tongue and stock rail close up, can only process groove or boring placement electric heating tube on the slide plate of tongue activity by the method for mechanical washing trough at stock rail web of the rail place for this reason, this processing method has been destroyed track and the original design parameters of parts, having reduced the mechanical strength of track, is that Railway Design institute is unallowed; 2,, cause heating tube to be afraid of problems such as dry combustion method, application life be short because the design of heating tube is unreasonable; 3, power consumption is excessive, and the snow melt temperature of slide plate can reach 75 ℃ on the tongue, and the temperature of stock rail reaches 40 ℃, causes the serious waste of the energy.Thereby the technical scheme of existing employing electric calorifie installation snow melt can not be applied on a large scale.
Summary of the invention
The utility model has overcome the defective of above-mentioned existence, and purpose provides a kind of electromagnetic isolation and isolated controlling power supply that floats the ground technology of adopting, and offers the railway switch device for melting snow that bandlet shape electric heater thaws ice and snow by buried cable.
The utility model railway switch device for melting snow content Description:
The utility model railway switch device for melting snow, it is characterized in that: the railway switch device for melting snow is to be connected by the lead of buried cable with bandlet shape electric heater by the isolated controlling power supply, bandlet shape electric heater is fixed by geometrical clamp, geometrical clamp is to be connected and fixed by the connecting bolt that the fixedly sleeper on the railway switch stock rail is used, the outside that the wire connecting portion of bandlet shape electric heater is placed in and can sees after track switch stock rail and tongue close up, electrical heating partly places its inside, bandlet shape electric heater is anchored on the web of the rail place of track switch stock rail with geometrical clamp.
Bandlet shape electric heater is made up of: lead, protection gum cover, moistureproof hoop, wiring part and heating part; the shape of wiring part is that the pad place that the circle from the protection against the tide hoop carries out the transition to wiring part and heating part junction gradually is a flat pattern, and heating part is a flat belt-like.
One end of geometrical clamp has groove, and the other end of geometrical clamp has oval-shaped open-work, and there is opening the side of geometrical clamp.
The utility model railway switch device for melting snow uses power supply 220V (a.c), frequency: 50Hz, power output 550～600W/m, its length is according to the kind of railway switch, service conditions such as the residing environment temperature of track switch, wind speed, snowfall and deciding are generally 3.5m～4m.Pass to rated voltage through test bandlet shape electric heater, maximum surface temperature is about 450 ℃ when 35 ℃ of environment temperatures, reaches the temperature balance, therefore is not afraid of dry combustion method.The rail temperature of guaranteeing the installation position in the snow melt process is higher than 1 ℃, and can reach more than 10 years application life.Two surfaces of electric heater thickness direction have the 200kgf/cm of bearing
2The ability of pressure, have do not peel, not crackle, not short circuit, the performance of moistureproof resistant to rust, anti-vibration.Bandlet shape electric heater fixedly be to utilize tongue and stock rail to close up the slit of back web of the rail part above-below direction, and utilize fixing sleeper used bolt hole and bolt that geometrical clamp is fastening, vibrations that can't the invar rail and coming off have solved and have not be used in boring and groove milling on the rail.
Description of drawings
Fig. 1 installs and structural representation for the railway switch device for melting snow
Fig. 2 installs and the structure sectional view for the railway switch device for melting snow
Fig. 3 is the structural representation of bandlet shape electric heater
Fig. 4 is the fixed folder structure schematic diagram
Fig. 5 is the geometrical clamp lateral view
Among the figure: 1 is that isolated controlling power supply, 2 is heating part for wiring part, 12 for moistureproof hoop, 11 for protection gum cover, 10 for lead, 9 for tongue, 8 for track switch stock rail, 7 for connecting bolt, 6 for geometrical clamp, 5 for bandlet shape electric heater, 4 for buried cable, 3.
The specific embodiment
The utility model railway switch device for melting snow is achieved in that to do below in conjunction with accompanying drawing and specifies.See Fig. 1, Fig. 2, the railway switch device for melting snow is to be connected with the lead 8 of bandlet shape electric heater 3 by buried cable 2 by isolated controlling power supply 1, bandlet shape electric heater 3 is to be connected and fixed by the connecting bolt 5 that the fixedly sleeper on the railway switch stock rail 6 is used with geometrical clamp 4, the outside that the wire connecting portion of bandlet shape electric heater 3 is placed in and can sees after track switch stock rail 6 closes up with tongue 7, heating part 12 places its inside, bandlet shape electric heater 3 is anchored on the web of the rail place of track switch stock rail 6 with geometrical clamp 4.
See Fig. 3; bandlet shape electric heater 3 is made up of: lead 8, protection gum cover 9, moistureproof hoop 10, wiring part 11 and heating part 12; the shape of wiring part 11 is that to bind round the pad place that 10 circle carries out the transition to wiring part 11 and heating part 12 junctions gradually from protection against the tide be flat pattern, and heating part 12 is a flat belt-like.The heating part 12 of this flat belt-like can be positioned over track switch stock rail 6 and tongue 7 at an easy rate and close up in the slit of the above-below direction that web of the rail place, back stays, and has avoided because of cross dimensions is big the drawback that difficulty must be carried out vertical groove milling to the rail web of the rail being installed.
See Fig. 4, Fig. 5, one end of geometrical clamp 4 has groove, the other end of geometrical clamp 4 has oval-shaped open-work, there is opening the side of geometrical clamp 4, clamp the heating part 12 of bandlet shape electric heater 3 by the groove on the geometrical clamp 4, place connecting bolt 5 at oval-shaped through-hole position, can prevent effectively that the phenomenon that the vibrations of invar rail cause geometrical clamp 4 to come off from taking place.Purpose at the lateral opening of geometrical clamp 4 is for installing and fixing folder at 4 o'clock, the nut of connecting bolt 5 all need not be turned on and be taken out connecting bolt 5, but as long as nut is unscrewed, just can reach easy for installation, time saving and energy saving purpose with in the geometrical clamp 4 opening part insertion from the side connecting bolt 5.Can utilize original fixedly sleeper is used on the railway switch stock rail screw and bolt very easily, having avoided need be in the drawback of rail web of the rail place cross drilling because of the railway switch device for melting snow is installed.
During installation bandlet shape electric heater 3 is placed in the web of the rail of track switch stock rail 6 and tongue 7 corresponding sides, wiring part 11 is placed on the outside that can see after track switch stock rail 6 closes up with tongue 7, and heating part 12 is placed on the inside after track switch stock rail 6 closes up with tongue 7, wiring part 11 usefulness geometrical clamps 4 are fastening, its fastening degree must guarantee that bandlet shape electric heater 3 is not loosening under the situation of rail frequent impact vibration, not landing, and on the roughly equidistant web of the rail that is fixed on track switch stock rail 6 of heating part 12 usefulness geometrical clamps 4, its fastening degree is good to contact, and the indeformable requirement of vertically expanding with heat and contract with cold that does not influence heating part 12 again is advisable.When transposing bandlet shape electric heater 3 is installed, as long as the nut of the geometrical clamp 4 of loosening wiring part 11, just can very easily bandlet shape electric heater 3 be extracted out or insert in the geometrical clamp, make the installation transposing convenient and swift, not influence the operate as normal of rail transportation system substantially.
The snow melt scheme of taking according to the weather conditions of Anshan Area is: electric heater be shaped as the bandlet shape, its thickness is that 5mm, width are that 14mm, length are the bandlet shape stainless steel electric heater of 3500mm, its operating voltage 220V (a, c), operating frequency 50Hz, power output 2kW, 200kgf/cm can be born in two surfaces of thickness direction
2Pressure, through test have the dry combustion method of not being afraid of, do not peel, characteristics such as crackle, not short circuit, waterproof and dampproof anti-vibration not, every group of single track trouble placed two bandlet shape electric heaters 3.Any parts of railway switch are not changed and destroy to the utility model, do not disturb with other any electrical systems of railway.Reach under the big severe snow condition of 12mm/12h at environment temperature-26 ℃, wind speed 9m/s, snowfall, guarantee that the snow removing of track switch position is normal, the track switch conversion equipment is working properly, railway transportation is normal.
Claims (3)
1, a kind of railway switch device for melting snow, it is characterized in that: be to be connected with the lead (8) of bandlet shape electric heater (3) by buried cable (2) by isolated controlling power supply (1), bandlet shape electric heater (3) is to be connected and fixed by the connecting bolt (5) that the fixedly sleeper on the railway switch stock rail (6) is used with geometrical clamp (4), the outside that the wire connecting portion of bandlet shape electric heater (3) is placed in and can sees after track switch stock rail (6) closes up with tongue (7), heating part (12) places its inside, bandlet shape electric heater (3) is anchored on the web of the rail place of track switch stock rail (6) with geometrical clamp (4).
2, railway switch device for melting snow according to claim 1; it is characterized in that: said bandlet shape electric heater (3) is made up of: lead (8), protection gum cover (9), moistureproof hoop (10), wiring part (11) and heating part (12); the shape of wiring part (11) is that the pad place that the circle from protection against the tide hoop (10) carries out the transition to wiring part (11) and heating part (12) junction gradually is a flat pattern, and heating part (12) is a flat belt-like.
3, railway switch device for melting snow according to claim 1 is characterized in that: an end of said geometrical clamp (4) has groove, and the other end of geometrical clamp (4) has oval-shaped open-work, and there is opening the side of geometrical clamp (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200924468U CN2830483Y (en) | 2005-09-12 | 2005-09-12 | Railway switch snow melting appts. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200924468U CN2830483Y (en) | 2005-09-12 | 2005-09-12 | Railway switch snow melting appts. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2830483Y true CN2830483Y (en) | 2006-10-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200924468U Expired - Fee Related CN2830483Y (en) | 2005-09-12 | 2005-09-12 | Railway switch snow melting appts. |
Country Status (1)
| Country | Link |
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| CN (1) | CN2830483Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851988A (en) * | 2010-05-18 | 2010-10-06 | 刘树伟 | Gutter snow melting plate |
| CN101629402B (en) * | 2009-08-07 | 2010-12-01 | 孙健 | Fast snow melting device of railroad switch |
| CN102304886A (en) * | 2011-07-05 | 2012-01-04 | 哈尔滨工业大学 | Snow melting device for traffic in winter |
| CN102535266A (en) * | 2012-02-07 | 2012-07-04 | 绍兴文理学院 | Anti-freezing device for track |
| CN107420130A (en) * | 2017-08-10 | 2017-12-01 | 沈阳铁道勘察设计院有限公司 | Method is melted in a kind of permanent frost zone electrical heating in huge talus bottom |
| CN107805980A (en) * | 2017-12-26 | 2018-03-16 | 中铁宝桥集团有限公司 | A kind of railway switch is with slope climbing type tongue and its with end structure |
| CN108461180A (en) * | 2018-02-24 | 2018-08-28 | 无锡市环球电器装备有限公司 | Rail intelligence series connection snow melt flat cable |
| CN113584961A (en) * | 2021-07-28 | 2021-11-02 | 安邦电气股份有限公司 | Anti-vibration type electric tracing band for track |
-
2005
- 2005-09-12 CN CNU2005200924468U patent/CN2830483Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629402B (en) * | 2009-08-07 | 2010-12-01 | 孙健 | Fast snow melting device of railroad switch |
| CN101851988A (en) * | 2010-05-18 | 2010-10-06 | 刘树伟 | Gutter snow melting plate |
| CN102304886A (en) * | 2011-07-05 | 2012-01-04 | 哈尔滨工业大学 | Snow melting device for traffic in winter |
| CN102535266A (en) * | 2012-02-07 | 2012-07-04 | 绍兴文理学院 | Anti-freezing device for track |
| CN107420130A (en) * | 2017-08-10 | 2017-12-01 | 沈阳铁道勘察设计院有限公司 | Method is melted in a kind of permanent frost zone electrical heating in huge talus bottom |
| CN107805980A (en) * | 2017-12-26 | 2018-03-16 | 中铁宝桥集团有限公司 | A kind of railway switch is with slope climbing type tongue and its with end structure |
| CN108461180A (en) * | 2018-02-24 | 2018-08-28 | 无锡市环球电器装备有限公司 | Rail intelligence series connection snow melt flat cable |
| CN113584961A (en) * | 2021-07-28 | 2021-11-02 | 安邦电气股份有限公司 | Anti-vibration type electric tracing band for track |
| CN113584961B (en) * | 2021-07-28 | 2023-10-13 | 安邦电气股份有限公司 | Vibration-resistant electric tracing band for track |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061025 |