CN110475399A - Blast tube with heating function - Google Patents
Blast tube with heating function Download PDFInfo
- Publication number
- CN110475399A CN110475399A CN201910795239.5A CN201910795239A CN110475399A CN 110475399 A CN110475399 A CN 110475399A CN 201910795239 A CN201910795239 A CN 201910795239A CN 110475399 A CN110475399 A CN 110475399A
- Authority
- CN
- China
- Prior art keywords
- resistance wire
- temperature insulation
- blast tube
- heating function
- insulation pipe
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Abstract
The present invention proposes a kind of blast tube with heating function, belongs to rail vehicle braking field.The sandblasting pipe surface of the technical solution successively includes conductor, high-temperature insulation pipe and metal tube from inside to outside.Resistance wire is wrapped in high-temperature insulation pipe surface, and high-temperature insulation tube outer surface is cased with metal tube, and metal tube and surface are tied between the high-temperature insulation pipe of resistance wire and fill insulating packing.Technical solution of the present invention is effectively fixed by carrying out to resistance wire, can avoid local temperature caused by turn-to-turn short circuit and overheats, improves resistance wire job stability, prolong the service life；It is protected using metal tube, can effectively avoid resistance wire caused by foreign matter strike and damage.
Description
Technical field
The invention belongs to rail vehicle braking field more particularly to a kind of blast tubes with heating function.
Background technique
The blast tube of rail vehicle sander is typically mounted on the front of vehicle wheel tread, to avoid winter cold
Under conditions of blast tube ice blockage stucco channel, it will usually sandblasting pipe surface be arranged heating element, be used to blast tube into
Row heating.
The technical solution generallyd use at present is one layer of polytetrafluoroethylene material to be covered in sandblasting pipe surface, then poly- four
Fluoride surface winds resistance wire.After the completion of winding, resistance wire is prevented using high-temperature insulation adhesive tape in resistance wire surface
Then shield crimps at two resistance wire winding ends with crimp type terminal respectively.It is carried out at crimping using high-temperature insulation adhesive tape
After protection, to overall surface vulcanized rubber.
Above-mentioned blast tube has the following disadvantages:
1) rubber is easy to be torn after the adhesive strength deficiency between adhesive tape and rubber causes foreign matter to strike.
2) lack effective insulation measures between every circle resistance wire, resistance wire turn-to-turn short circuit is easy to cause to cause blast tube office
Portion's temperature is excessively high.
3) resistance wire can not effectively be fixed in sandblasting pipe surface, and resistance wire turn-to-turn short circuit is easy to cause to cause sandblasting
Pipe local temperature is excessively high.
4) it between resistance wire and conductor in such a way that crimp type terminal is crimped, is led since the diameter of resistance wire is much smaller than
Body diameter crimps bad, leads to virtual connection to be easy to cause between resistance wire and conductor.
5) resistance to foreign matter impact ability is poor, and alien material is easy to break the rubber of sandblasting pipe surface, and then damages internal
Resistance wire, make blast tube lose heating function.
6) crimp type terminal corner angle are easy to puncture high-temperature insulation adhesive tape, contacted with the resistance wire inside adhesive tape than sharp,
To keep resistance wire short-circuit.
Based on the above situation, a kind of novel blast tube with heating function has been invented, can effectively have been solved using this scheme
Certainly original blast tube there are the problem of.
Summary of the invention
The present invention above-mentioned blast tube there are aiming at the problem that, propose one kind to can effectively solve the problem that original blast tube that there are problems
The blast tube with heating function.
The technical solution adopted by the present invention are as follows:
A kind of blast tube with heating function, the surface of the blast tube successively include conductor, high temperature resistant from inside to outside
Insulation tube and metal tube, the high-temperature insulation pipe surface are wound with resistance wire, and the metal tube and surface are tied with resistance wire
Insulating packing is filled between high-temperature insulation pipe.
Preferably, the insulating packing is magnesia or aluminium oxide.
Preferably, being equipped with two independent conductors around the surface of the blast tube, two independent conductors are set to
In the through-hole of high-temperature insulation pipe, the surface wrap of the high-temperature insulation pipe has resistance wire, and the first electricity of the resistance wire
Resistance silk winding end and second resistance silk winding end are connected with two independent end conductors respectively.
Preferably, the resistance wire spiral distribution is in high-temperature insulation pipe surface.
Preferably, the metal tube equably narrows down to predetermined size by automatic pipe reducing machine, by insulating packing, surface
It is wound with the high-temperature insulation pipe, conductor and blast tube completely densified of resistance wire.
Preferably, the predetermined size is the common specification of blast tube, preferably 20-25mm.
Preferably, the metal tube and high-temperature insulation pipe both ends carry out closure sealing with filler respectively.It is understood that
, the filler is the filler that can play closure sealing function, such as silicon rubber rubber parts.
Preferably, vulcanised rubber layer is arranged in the metal tube surface.
The present invention also provides a kind of rail vehicle sanders configured with the blast tube with heating function.
Compared with prior art, the advantages and positive effects of the present invention are:
1) insulating packing is filled between the high-temperature insulation pipe that metal tube and surface are tied with resistance wire, it can be effectively to every
The surface of circle resistance wire is insulated, and resistance wire turn-to-turn short circuit is effectively avoided to cause blast tube local temperature excessively high.
2) by squeezing metal tube, keep the high-temperature insulation pipe for being tied with resistance wire and blast tube, metal tubular rigid at one
Property, the structure of monoblock type, relative motion will not occur by each components that metal tube surrounds, to guarantee that resistance wire is complete
It is fixed, while improving resistance wire job stability, the service life of resistance wire is significantly increased.
3) while being wound into conductive surface by the way that resistance wire is wound end, and reduce metal tube, make conductor and resistance wire
It comes into full contact with, realizes the seamless connection of conductor and resistance wire, and avoid the use of crimp type terminal, simplify connection structure.
4) resistance wire has the protection of metal tube, causes resistance wire to be broken so as to be largely avoided foreign matter impact
Problem.
5) adhesive strength after metal and the vulcanization of rubber is higher than the adhesive strength between the adhesive tape and rubber that originally used,
To can inhibit rubber tearing.
Detailed description of the invention
Fig. 1 is the schematic diagram of the blast tube provided by the embodiment of the present invention with heating function；
Fig. 2 is the schematic diagram of the blast tube provided by a kind of modification of the embodiment of the present invention with heating function；
Appended drawing reference:
1, sandblasting passage；2, blast tube；3, conductor；4, high-temperature insulation pipe；5, resistance wire；6, first resistor silk is wound
End；7, second resistance silk winds end；8, insulating packing；9, metal tube；10, vulcanized rubber；11, filler.
Specific embodiment
Technical solution of the present invention is introduced in detail in order to become apparent from, and is described below in conjunction with specific embodiment.
A kind of blast tube with heating function, as shown in Figure 1, being sandblasting passage 1 on the inside of blast tube 2, outside blast tube 2
Surface successively includes conductor 3, high-temperature insulation pipe 4, metal tube 9 from inside to outside.
Resistance wire 5 is wound in 4 superficial-helical of high-temperature insulation pipe first, first resistor silk is then wound into end 6 and the
Two resistance wires wind end 7 respectively in two several circles of independent 3 surface wrap of conductor, and two conductors 3 are twined together on conductor
Around resistance wire be respectively put into high-temperature insulation pipe 4 two axially extending bores in, by conductor 3 together with the high temperature resistant for being tied with resistance wire
Insulation tube 4 is set to 2 surface of blast tube, then metal tube 9 is set to 4 surface of high-temperature insulation pipe.
One end of metal tube 9 is sealed using filler 11, in metal tube 9 and the high-temperature insulation pipe 4 for being tied with resistance wire
The insulating packing 8 of powder filler shape between gap, the other end filler 11 of metal tube 9 is sealed, and passes through automatic pipe reducing machine point
Metal tube 9 is equably repeatedly narrowed down into predetermined size.While reducing metal tube 9, powdered insulating packing 8 is by crowded
It can be hardened after pressure, correspondingly high-temperature insulation pipe 4 can also be shunk, so as to by conductor 3, first resistor silk winding end 6, the
Two resistance wires wind end 7 and resistance wire 5 is reliably fixed, avoid resistance wire turn-to-turn short circuit.
In another modification of above structure, as shown in Fig. 2, vulcanised rubber layer 10 is arranged outside metal tube 9.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. having the blast tube of heating function, which is characterized in that the surface of the blast tube successively includes conductor, resistance to from inside to outside
High-temperature insulation pipe and metal tube, the high-temperature insulation pipe surface are wound with resistance wire, and the metal tube and surface are tied with resistance
Insulating packing is filled between the high-temperature insulation pipe of silk.
2. the blast tube according to claim 1 with heating function, which is characterized in that around the surface of the blast tube
Equipped with two independent conductors, two independent conductors are set in the through-hole of high-temperature insulation pipe, the high-temperature insulation pipe
Surface wrap have a resistance wire, and the first resistor silk winding end of the resistance wire and second resistance silk winding end respectively with two
Independent end conductor is connected.
3. the blast tube according to claim 1 or 2 with heating function, which is characterized in that the resistance wire helical form
It is distributed in high-temperature insulation pipe surface.
4. the blast tube according to claim 1 with heating function, which is characterized in that the metal tube by contracting automatically
Pipe machine equably narrows down to predetermined size, and insulating packing, surface wrap are had to high-temperature insulation pipe, conductor and the sandblasting of resistance wire
Pipe completely densified.
5. the blast tube according to claim 1 with heating function, which is characterized in that the metal tube and high temperature resistant are exhausted
Edge pipe both ends carry out closure sealing with filler respectively.
6. the blast tube according to claim 1 with heating function, which is characterized in that sulphur is arranged in the metal tube surface
Change rubber layer.
7. the rail vehicle stucco dress configured with the blast tube with heating function as claimed in any one of claims 1 to 6
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795239.5A CN110475399B (en) | 2019-08-27 | 2019-08-27 | Sand blasting pipe with heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795239.5A CN110475399B (en) | 2019-08-27 | 2019-08-27 | Sand blasting pipe with heating function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110475399A true CN110475399A (en) | 2019-11-19 |
| CN110475399B CN110475399B (en) | 2022-03-25 |
Family
ID=68512444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910795239.5A Active CN110475399B (en) | 2019-08-27 | 2019-08-27 | Sand blasting pipe with heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110475399B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6046306U (en) * | 1983-09-05 | 1985-04-01 | 株式会社東芝 | Sand sprinkler pipe with heating element for vehicles |
| CN2783686Y (en) * | 2005-04-15 | 2006-05-24 | 宁波索尔达面电热高科技有限公司 | Electric heating pipe with multi-protection |
| CN201379537Y (en) * | 2008-11-24 | 2010-01-13 | 杨智慧 | A heater for a dishwasher |
| CN103079298A (en) * | 2012-12-31 | 2013-05-01 | 华能无锡电热器材有限公司 | Hermetic insulating electrode leading-out bar of silicon tetrachloride radiation electric heater |
| CN203570396U (en) * | 2013-10-16 | 2014-04-30 | 潍柴动力股份有限公司 | Sectional type electric heating urea pipeline |
| CN203666652U (en) * | 2013-12-27 | 2014-06-25 | 江阴市必得科技发展有限公司 | Sand spreading system for rail vehicle |
| CN104057248A (en) * | 2014-05-31 | 2014-09-24 | 安徽省宁国市天成科技发展有限公司 | New process for producing heating tube for washing machine |
| CN106274925A (en) * | 2016-08-31 | 2017-01-04 | 青岛宏达赛耐尔科技股份有限公司 | A kind of nozzle used for rail vehicle and include the injection tack producing device of this nozzle |
| CN206879125U (en) * | 2017-05-04 | 2018-01-12 | 常熟黑石电热科技有限公司 | Magnesium oxide insulated heating tube |
| CN108200672A (en) * | 2018-02-06 | 2018-06-22 | 常州恒鼎轨道科技有限公司 | A kind of novel track vehicle stucco system electric heating tube |
| CN208774762U (en) * | 2018-08-28 | 2019-04-23 | 上海国之鼎铁路机电有限公司 | Electric heating stucco mouth used for rail vehicle |
| CN109910923A (en) * | 2019-03-14 | 2019-06-21 | 西安开天铁路电气股份有限公司 | A kind of sand sprayer suitable for rail traffic vehicles |
-
2019
- 2019-08-27 CN CN201910795239.5A patent/CN110475399B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6046306U (en) * | 1983-09-05 | 1985-04-01 | 株式会社東芝 | Sand sprinkler pipe with heating element for vehicles |
| CN2783686Y (en) * | 2005-04-15 | 2006-05-24 | 宁波索尔达面电热高科技有限公司 | Electric heating pipe with multi-protection |
| CN201379537Y (en) * | 2008-11-24 | 2010-01-13 | 杨智慧 | A heater for a dishwasher |
| CN103079298A (en) * | 2012-12-31 | 2013-05-01 | 华能无锡电热器材有限公司 | Hermetic insulating electrode leading-out bar of silicon tetrachloride radiation electric heater |
| CN203570396U (en) * | 2013-10-16 | 2014-04-30 | 潍柴动力股份有限公司 | Sectional type electric heating urea pipeline |
| CN203666652U (en) * | 2013-12-27 | 2014-06-25 | 江阴市必得科技发展有限公司 | Sand spreading system for rail vehicle |
| CN104057248A (en) * | 2014-05-31 | 2014-09-24 | 安徽省宁国市天成科技发展有限公司 | New process for producing heating tube for washing machine |
| CN106274925A (en) * | 2016-08-31 | 2017-01-04 | 青岛宏达赛耐尔科技股份有限公司 | A kind of nozzle used for rail vehicle and include the injection tack producing device of this nozzle |
| CN206879125U (en) * | 2017-05-04 | 2018-01-12 | 常熟黑石电热科技有限公司 | Magnesium oxide insulated heating tube |
| CN108200672A (en) * | 2018-02-06 | 2018-06-22 | 常州恒鼎轨道科技有限公司 | A kind of novel track vehicle stucco system electric heating tube |
| CN208774762U (en) * | 2018-08-28 | 2019-04-23 | 上海国之鼎铁路机电有限公司 | Electric heating stucco mouth used for rail vehicle |
| CN109910923A (en) * | 2019-03-14 | 2019-06-21 | 西安开天铁路电气股份有限公司 | A kind of sand sprayer suitable for rail traffic vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110475399B (en) | 2022-03-25 |
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