CN103450670B - A kind of nonmetal side bearing dish of self-lubricating and material thereof and production technique - Google Patents
A kind of nonmetal side bearing dish of self-lubricating and material thereof and production technique Download PDFInfo
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- CN103450670B CN103450670B CN201310374898.4A CN201310374898A CN103450670B CN 103450670 B CN103450670 B CN 103450670B CN 201310374898 A CN201310374898 A CN 201310374898A CN 103450670 B CN103450670 B CN 103450670B
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Abstract
The present invention relates to the nonmetal side bearing dish of self-lubricating prepared by a kind of self-lubricating nonmetal side bearing dish material, it comprises the disc main body that self-lubricating nonmetal side bearing dish material is formed and the mosaic block formed by polytetrafluoro class material, and described mosaic block is embedded at the upper surface of described disc main body.Side bearing dish provided by the invention makes there is suitable steering resistance square between bogie and car body, effectively to suppress because oil lubrication metal side bearing dish makes the serpentine locomotion of shaking the head of bogie and car body, retrain car body rolling simultaneously, improve stationarity when fair speed is run of track power stabilizing machine and stability, neither influence curve through performance, also meets the mechanical requirements also carried simultaneously.
Description
Technical field
The present invention relates to a kind of side bearing dish, more particularly, relate to the nonmetal side bearing dish of a kind of self-lubricating and material thereof and production technique.
Background technology
Between the bogie and compartment of railway freight-car or maintain road engineering truck, be provided with side bearing dish, side bearing dish directly contacts with compartment.When train is turned, side bearing dish does turning motion along with bogie, and compartment can move to the opposite side of train due to inertia, and therefore needing has suitable steering resistance distance between bogie and car body, steering resistance, apart from excessive, easily causes train to be turned on one's side.Steering resistance, apart from too small, can make the transverse force of contact surface become large, increase the transverse acceleration of bogie, and vehicle is shaken the head serpentine locomotion.And the principal element affecting steering resistance distance is the frictional coefficient of side bearing dish.
At present, the side bearing dish of m of w engineering truck forms primarily of metallic substance.Metal side bearing dish needs apply oil on the one hand, and lubricating oil is import special lubricating oil, and price is namely expensive, be also unfavorable for reducing consuming, moreover the add-on of lubricating oil is difficult to match with the frictional coefficient needed.Meanwhile, oil, as lubricant, is easy to make the frictional coefficient fluctuation of storeroom large unstable, brings hidden danger to the safety of locomotive.
In view of this, need to invent the suitable nonmetal side bearing dish of self-lubricating of a kind of novel, frictional coefficient.
Summary of the invention
Problem to be solved by this invention is to provide the nonmetal side bearing dish of a kind of self-lubricating and material thereof and production technique, this material possesses suitable wear resistance and self lubricity, and the nonmetal side bearing dish of this self-lubricating effectively can improve train when fair speed is run or the stationarity in the time of turning to and stability.
In order to solve the problem, one aspect of the present invention provides a kind of self-lubricating nonmetal side bearing dish material, and concrete technical scheme is as follows:
A kind of self-lubricating nonmetal side bearing dish material, its feed composition and weight proportion as follows:
Monomer hexanolactam 165-220 part
Catalyzer 0.5-1.5 part
Promotor 3.5-6.6 part.
Further improve as the present invention, described feed composition and weight proportion as follows:
Monomer hexanolactam 180-200 part
Catalyzer 0.9-1 part
Promotor 4.5-5.5 part.
Further improve as the present invention, described feed composition can also comprise staining agent 0.5-1.5 part, and preferably, the weight proportion of described staining agent is 0.8-1.2 part.
Further improve as the present invention, described staining agent is the transparent black solution of HPT.
Further improve as the present invention, described catalyzer is alkali, and preferably, described catalyzer is NaOH.
Further improve as the present invention, described promotor is that lek receives glue.
Another aspect of the invention provides the preparation method of above-mentioned materials, specifically comprises the steps:
(1) each feed composition is taken by weight ratio;
(2) first heating is carried out to each component and obtain activated melts material;
(3) 110-185 DEG C of preheating is carried out to mould, be filled with nitrogen;
(4) the activated melts material that step (2) obtains is joined rapidly in the mould described in step (3), under being greater than the condition of 15Mpa, be polymerized 80-100s;
(5) pressurize, the demoulding, cooling both obtained.
Further, the concrete operations of described step (2), for first monomer hexanolactam is put into heating and melting in reactor, are put into basic solution subsequently, are vacuumized reactor, then put into lek wherein and receive glue, stir.
Further, the step adding staining agent is also comprised before putting into basic solution described in.
Further aspect of the present invention additionally provides a kind of method preparing self-lubricating nonmetal side bearing dish: it comprises the disc main body formed by self-lubricating provided by the present invention nonmetal side bearing dish material and the mosaic block formed by polytetrafluoro class, and described mosaic block is embedded at described disc main body upper surface.
Further improve as the present invention, the surface-area of described disc main body accounts for 50%-75%, and the surface-area of mosaic block accounts for 25%-50%.Preferably, the surface-area of described disc main body accounts for 58%-62%, and the surface-area of mosaic block accounts for 38%-42%.
Further improve as the present invention, described mosaic block is multiple.The radial evenly arrangement of mosaic block, make overall friction and oilness even.
The present invention provides the production method of the nonmetal side bearing dish of a kind of self-lubricating on the other hand, specifically comprises the following steps:
A, by after nonmetal for self-lubricating provided by the present invention side bearing dish material cooled, carries out machining, punching;
Polytetrafluoro class material material is inlayed in the hole described in step a by b.
Further, also comprise the step adding binding agent in step b, described binding agent is epoxy adhesive.
Last aspect of the present invention provides self-lubricating of the present invention nonmetal side bearing dish material and polytetrafluoro class material jointly for the purposes of middle iron maintain road engineering truck or other road maintainance machinery cars.
Compared with prior art, the beneficial effect that the present invention obtains is:
Material by the synthesis of caprolactam monomer provided by the present invention has good over-all properties, comprise mechanical property, thermotolerance, wearability, chemical proofing and self lubricity, and frictional coefficient is lower, there is certain flame retardant resistance, be easy to processing, and have and have nontoxic, light weight, excellent physical strength.Polytetrafluoro class has remarkable chemical resistance, and all corrosion-resistant to all chemical, frictional coefficient is minimum in the plastic.
Key point of the present invention is to draw materials, and contriver, by test materials repeatedly, meets the use of stablizing car, and the method contrasted by testing, gathering experimental data, data processing, list comparative analysis or curve plotting is studied.Finally determine that material provided by the present invention is applicable to the mechanical property of product, with the desirable mechanical property of self-lubricating nonmetal side bearing dish material and the low-friction coefficient of polytetrafluoro material, the mode of inlaying with bi-material is maximized favourable factors and minimized unfavourable ones and is met high-performance high request.By obtaining satisfied effect in loading operation, meet the requirement of GBT17426-1998 special railway vehicle and the evaluation of track-mounted machinery dynamic performance and test method.
Side bearing dish provided by the invention makes there is suitable steering resistance square between bogie and car body, effectively to suppress because oil lubrication metal side bearing dish makes the serpentine locomotion of shaking the head of bogie and car body (originally use metal side bearing dish to there will be serious serpentine locomotion of shaking the head when car body runs to 60-80km/h, existing side bearing dish service testing, to shake the head serpentine locomotion when car body runs to 110km/h), retrain car body rolling simultaneously, improve stationarity when fair speed is run of track power stabilizing machine and stability, neither influence curve through performance, also meet the mechanical requirements also carried simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the nonmetal side bearing dish of self-lubricating of the present invention;
Fig. 2 is A-A sectional view of the present invention.
In the accompanying drawings: 1 disc main body, 2 mosaic blocks.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is described in more detail.
embodiment 1the proportioning of self-lubricating nonmetal side bearing dish material and preparation
Get monomer hexanolactam 180 parts, 0.9 part, sodium hydroxide, lek receive 4.5 parts, glue and the transparent black solution 0.5 part of HPT.
Concrete manufacturing step:
(1) each feed composition is taken by weight ratio;
(2) first carry out heating to each component and obtain activated melts material, concrete order, for monomer hexanolactam is put into heating and melting in reactor, is put into sodium hydroxide solution subsequently, is vacuumized reactor, then puts into lek wherein and receive glue, stirring.
(3) 110 DEG C of preheatings are carried out to mould, be filled with nitrogen;
(4) the activated melts material that step (2) obtains is joined rapidly in the mould described in step (3), under being greater than the condition of 15Mpa, be polymerized 100s;
(5) pressurize, the demoulding, self-supporting demould time of having pressed beginning timing is 2.5min.
(6) blank after the demoulding is inserted rapidly.Heat is de-cold fixes time≤12 seconds (beginning to stop to when putting into heat-eliminating medium from release).
(7) coolant temperature of cold formed mould controls within-10 DEG C.Cooling time is not less than 6min.
(8) to regulation cooling time after, take out blank, in aqueous phase stock mould continue sizing, until blank and envrionment temperature close.
embodiment 2the preparation of side bearing dish
Surface-area contains the self-lubricating nonmetal side bearing dish material 62% and tetrafluoroethylene 38% that embodiment 1 obtains.
Preparation method is as follows:
Self-lubricating nonmetal side bearing dish material embodiment 1 obtained carries out machining, by operation code requirement by correct for workpiece clamping on special tooling, be worked into the size required for accompanying drawing 1 and accompanying drawing 2, and perforate, obtain disc main body 1, then coordinate with tetrafluoroethylene mosaic block 2, add appropriate epoxy glue binding agent, then carry out follow-up carving characters, detect, pack warehouse-in.
embodiment 3the proportioning of self-lubricating nonmetal side bearing dish material and preparation
Get monomer hexanolactam 165 parts, 1.5 parts, sodium hydroxide, lek receive 6.6 parts, glue and the transparent black solution 1.5 parts of HPT.
Concrete manufacturing step:
(1) each feed composition is taken by weight ratio;
(2) first carry out heating to each component and obtain activated melts material, concrete order is for put into heating and melting in reactor by monomer hexanolactam, and it is transparent black to add HPT, put into sodium hydroxide solution subsequently, reactor is vacuumized, then puts into lek wherein and receive glue, stir.
(3) 165 DEG C of preheatings are carried out to mould, be filled with nitrogen;
(4) the activated melts material that step (2) obtains is joined rapidly in the mould described in step (3), under being greater than the condition of 15Mpa, be polymerized 85s;
(5) pressurize, the demoulding, self-supporting demould time of having pressed beginning timing is 2min.
(6) blank after the demoulding is inserted rapidly.Heat is de-cold fixes time≤12 seconds (beginning to stop to when putting into heat-eliminating medium from release).
(7) coolant temperature of cold formed mould controls within-10 DEG C.Cooling time is not less than 6min.
(8) to regulation cooling time after, take out blank, in aqueous phase stock mould continue sizing, until blank and envrionment temperature close.
embodiment 4the proportioning of self-lubricating nonmetal side bearing dish material and preparation
Get monomer hexanolactam 200 parts, 1.2 parts, sodium hydroxide, lek receive 5.5 parts, glue and the transparent black solution 1.2 parts of HPT.
Concrete manufacturing step:
(1) each feed composition is taken by weight ratio;
(2) first carry out heating to each component and obtain activated melts material, concrete order is for put into heating and melting in reactor by monomer hexanolactam, and it is transparent black to add HPT, put into sodium hydroxide solution subsequently, reactor is vacuumized, then puts into lek wherein and receive glue, stir.
(3) 180 DEG C of preheatings are carried out to mould, be filled with nitrogen;
(4) the activated melts material that step (2) obtains is joined rapidly in the mould described in step (3), under being greater than the condition of 15Mpa, be polymerized 100s;
(5) pressurize, the demoulding, self-supporting demould time of having pressed beginning timing is 2min.
(6) blank after the demoulding is inserted rapidly.Heat is de-cold fixes time≤12 seconds (beginning to stop to when putting into heat-eliminating medium from release).
(7) coolant temperature of cold formed mould controls within-10 DEG C.Cooling time is not less than 6min.
(8) to regulation cooling time after, take out blank, in aqueous phase stock mould continue sizing, until blank and envrionment temperature close.
The physical-mechanical properties of the nonmetal side bearing dish of the self-lubricating that the embodiment of the present invention 2 provides
Conclusion, each index of self-lubricating provided by the invention nonmetal side bearing dish all meets the requirements, and cost and cost of manufacture cheap, be conducive to saving energy and reduce the cost.
embodiment 5-7according to table 2 proportioning, prepare side bearing dish according to the method described in embodiment 2, detected result is in table 2
Different ratio side bearing dish detected result
On basis of the present invention, can improve side bearing dish provided by the present invention, such as carry out slot treatment at side bearing dish upper surface.Mosaic block of the present invention can be circle also can be other shapes.
Present China has railway construction to have tamping car, cleaning car, stablizes car, joins the slag car, materials vehicle, rail-welding vehicle, major part component are metal productss, and meet by import, so, a large amount of funds can be wasted aborning, in use can not meet concrete requirement.Engineering truck built by present iron will the domestic autonomy-oriented of numerous parts, along with the research success of side bearing dish, the blank used at this class car filled up by the nonmetal side bearing dish of self-lubricating, has considerable component and is applicable to this novel material and substitutes, rob account for first chance for domestic autonomy-oriented in the future.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.
Claims (7)
1. the nonmetal side bearing dish of self-lubricating, it is characterized in that: it comprises the disc main body that self-lubricating nonmetal side bearing dish material is formed and the mosaic block formed by tetrafluoroethylene, described mosaic block is embedded at described disc main body upper surface, described mosaic block is multiple, the surface-area of described disc main body accounts for 50%-75%, and the surface-area of mosaic block accounts for 25%-50%;
Feed composition and the weight proportion thereof of described self-lubricating nonmetal side bearing dish material are as follows:
Monomer hexanolactam 165-220 part;
Catalyzer 0.5-1.5 part;
Promotor 3.5-6.6 part;
Described self-lubricating nonmetal side bearing dish material is prepared by the following method:
(1) each feed composition is taken by weight ratio;
(2) first heating is carried out to each component and obtain mixed active melt material;
(3) 110-185 DEG C of preheating is carried out to mould, be filled with nitrogen;
(4) the activated melts material that step (2) obtains is joined rapidly in the mould described in step (3), under being greater than the condition of 15Mpa, be polymerized 80-100s;
(5) pressurize, the demoulding, cooling, to obtain final product.
2. the nonmetal side bearing dish of a kind of self-lubricating according to claim 1, is characterized in that: feed composition and the weight proportion thereof of described self-lubricating nonmetal side bearing dish material are as follows:
Monomer hexanolactam 180-200 part
Catalyzer 0.9-1 part
Promotor 4.5-5.5 part.
3. the nonmetal side bearing dish of a kind of self-lubricating according to claim 1 and 2, is characterized in that: described catalyzer is alkali.
4. the nonmetal side bearing dish of a kind of self-lubricating according to claim 1 and 2, is characterized in that: described catalyzer is NaOH.
5. the nonmetal side bearing dish of a kind of self-lubricating according to claim 1 and 2, is characterized in that: described promotor is that lek receives glue.
6. the production method of the nonmetal side bearing dish of a kind of self-lubricating as claimed in claim 1 or 2, specifically comprises the following steps:
A carries out machining to self-lubricating nonmetal side bearing dish material, punching;
Tetrafluoroethylene mosaic block is inlayed in the hole described in step a by b.
7. the nonmetal side bearing dish of self-lubricating as claimed in claim 1 or 2 is used for the purposes of m of w engineering truck or other road maintainance machinery cars.
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| CN201310374898.4A CN103450670B (en) | 2013-08-26 | 2013-08-26 | A kind of nonmetal side bearing dish of self-lubricating and material thereof and production technique |
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| CN201310374898.4A CN103450670B (en) | 2013-08-26 | 2013-08-26 | A kind of nonmetal side bearing dish of self-lubricating and material thereof and production technique |
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| CN103450670B true CN103450670B (en) | 2016-03-02 |
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| JP7246997B2 (en) * | 2019-03-29 | 2023-03-28 | 川崎車両株式会社 | Side support contact plate and side support for railway vehicle bogies |
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| CN101293996A (en) * | 2008-06-13 | 2008-10-29 | 镇江铁科橡塑制品有限公司 | Goods train side bearing wear plate material |
| CN101392096A (en) * | 2008-09-17 | 2009-03-25 | 邱玉佩 | Cold-proof, impactive and high toughness casting nylon and method for producing the same |
| CN102391642A (en) * | 2011-08-31 | 2012-03-28 | 李刚 | Preparation method of modified monomer cast (MC) nylon 6 blending material |
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2013
- 2013-08-26 CN CN201310374898.4A patent/CN103450670B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1262394A (en) * | 1999-01-28 | 2000-08-09 | 淮安市楚州尼龙制品厂 | Blade wheel of slurry pump and its manufacture method |
| CN1270971A (en) * | 2000-05-09 | 2000-10-25 | 张贵喜 | High-strength lining plate and its production process |
| CN101173077A (en) * | 2006-10-31 | 2008-05-07 | 上海化工研究院天地科技发展有限公司 | Toughness reinforcing, abrasion-proof ultrahigh molecular weight polyethylene cast form nylon composite material |
| CN101173076A (en) * | 2006-10-31 | 2008-05-07 | 上海化工研究院天地科技发展有限公司 | Method for producing superhigh molecular weight polyethylene/cast form nylon composite material |
| CN101077927A (en) * | 2007-07-05 | 2007-11-28 | 吉林大学 | Mould nylon filled of grammite powder and preparation method thereof |
| CN101293996A (en) * | 2008-06-13 | 2008-10-29 | 镇江铁科橡塑制品有限公司 | Goods train side bearing wear plate material |
| CN101392096A (en) * | 2008-09-17 | 2009-03-25 | 邱玉佩 | Cold-proof, impactive and high toughness casting nylon and method for producing the same |
| CN102391642A (en) * | 2011-08-31 | 2012-03-28 | 李刚 | Preparation method of modified monomer cast (MC) nylon 6 blending material |
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Address after: The eastern city street in Xinji city 052360 Hebei city of Shijiazhuang province (Teng Yuexin factory) Patentee after: HEBEI TENGYUE RAILWAY EQUIPMENT CO.,LTD. Address before: The eastern city street in Xinji city 052360 Hebei city of Shijiazhuang province (Teng Yuexin factory) Patentee before: HEBEI XINJI TENGYUE INDUSTRIAL CO.,LTD. |
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Effective date of registration: 20230428 Address after: 050000 No. 0159 Shifu East Street, Xinji City, Shijiazhuang City, Hebei Province Patentee after: HEBEI TENGYUE RAILWAY EQUIPMENT CO.,LTD. Patentee after: Hebei Tengyue Railway Vehicle Parts Technology Co.,Ltd. Address before: 052360 East Section of Shifu Street, Xinji City, Shijiazhuang City, Hebei Province (Tengyue New Factory) Patentee before: HEBEI TENGYUE RAILWAY EQUIPMENT CO.,LTD. |