CN103255688A - High-strength hard shaft transmission system of ballast bed tamping device - Google Patents
High-strength hard shaft transmission system of ballast bed tamping device Download PDFInfo
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- CN103255688A CN103255688A CN2012100425197A CN201210042519A CN103255688A CN 103255688 A CN103255688 A CN 103255688A CN 2012100425197 A CN2012100425197 A CN 2012100425197A CN 201210042519 A CN201210042519 A CN 201210042519A CN 103255688 A CN103255688 A CN 103255688A
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- transmission system
- hard shaft
- strength
- ballast
- tamping device
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Abstract
The invention discloses a high-strength hard shaft transmission system of a ballast bed tamping device. The ballast bed tamping device belongs to general machinery and is used for tamping ballast, which is vibrated loose by traveling trains, of railway ballast beds to guarantee the ballast beds to have sufficient bearing capacity and to guarantee straightness and flatness of steel rails. Due to particular characteristics of the ballast which is a granitic aggregate medium, big unit power equivalent is needed, and a flexible shaft transmission system of old-fashioned convention equipment is low in strength and prone to be damaged under impact of high rotating speed and strong vibration. The high-strength hard shaft transmission system is characterized in that a hard shaft is adopted to replace a long flexible shaft, a special flexible coupler 2 is arranged at each of two ends of a rigid hard shaft 3, one end of the rigid hard shaft is connected with power through a clutch cup shaft 4 while the other end of the same is connected with an exciting force generation part vibrating body 1, and the hard shaft transmission system is formed jointly. The high-strength hard shaft transmission system of the ballast bed tamping device has the advantages that the hard shaft is sufficient in strength redundancy, the old problems that the old-fashioned product transmission systems are low in strength and influence the service life of the whole machine are solved, the service life of the tamping device is prolonged multiply, and the ballast bed tamping device adopting the hard shaft transmission system is a high-quality product with unique advantages.
Description
Technical field: the railway roadbed tamping unit belongs to the universal machine class;
Background technology: railway roadbed quarrel stone tamping unit is used for railway ballast is made firm by ramming by the quarrel stone of train operation shake pine, to guarantee that railway roadbed has enough bearing capacities, the tractive resistance when reducing train operation guarantees the rail glacing flatness, minimizing is rocked, and guarantees train operating safety.Be that the standing equipment of repairing is faced in the rail track light maintenance, because heavy, the rough surface of quality of this granite stones medium of railway ballast quarrel stone, hardness is big, tamping unit inserts in the middle of certain depth quarrel stone and stirs, need very big unit power equivalent, so this kind equipment is operated in the ultralimit state of high rotating speed, high capacity, strong vibration, and heat radiation and insufficient lubrication, running operating mode very severe requires high to movement system, transmission system and shock-damping structure.Old-fashioned legacy equipment is answered above-mentioned operating mode significant discomfort, and especially the transmission system weakness is to influence the tamping unit technical bottleneck in application life, causes the tamping unit whole service life too short.
Old product transmission system feature is a long Bowden cable, Great Wall Software's through-drive technology source is from the cement vibrating head, and the railway roadbed tamping unit turns round under the unfavorable operating mode that high rotating speed reverses by force, the power magnitude is compared the increase that has more than tens times with the cement vibrating head, so Great Wall Software's axle collapses very easily in the short period of time.Because it is both long and soft, also needs many maintenance parts to come assist location, structure is big than the multiple amount of complex parts, is that the old product fault is concentrated the district occurred frequently, and fault rate accounts for more than 80% of armamentarium fault.Owing to will insert quarrel stone during the work of tamping unit front end, so tamping unit is an elongated cylindrical shell and with the former machine of power certain distance is arranged, power need could arrive vibrating body through transmission system, transmission process is exactly with the vibrating body of transmission of power to front end, drives the vibrating body high-speed rotation by the power source machine and produces exciting force.Great Wall Software's axle is under this strong vibration, pulsation torsional impact jumpy, because the relatively poor as easy as rolling off a log collapse of intensity.The result is that traditional railway roadbed tamping unit life-span is very short, and this problem perplexs manufacturer for a long time, and producer both domestic and external has failed substantive breakthroughs for many years always.
Adopting hard through-drive is all designers' initial idea, can once and for all solve the disadvantage of flexible axle torsion strength deficiency, is difficult to solve but all suffer from the flexible joint problem, can't adopt hard through-drive.To such an extent as to continue to use the flexible axle transmission mode of cement vibrating head for a long time.Hard driven off by shaft conception can't realize it being because it is that the machine driving design specifications is forbidden that rigidity directly connects because rigidity directly connect the high frequency that causes firmly impact can accelerate the parts breakage.Be rigidly connected simultaneously can't stand output and secondary part reality from the axle deviation, even small disalignment also can cause strong vibration under high-speed case, destroy the stable of transmission running.And flexible axle itself is exactly flexible devices, need not to dispose separately shaft coupling.If adopt hard through-drive then the necessary flexible joint problem that solves, and the general shaft coupling of general industry can't use because of spatial constraints in the cylindrical shell, " a kind of novel coupler " patent No. 2008200084149 of inventor's separate case application, solved in vibration cylindrical shell minor diameter space, flexible joint problem under the big oscillating load situation makes hard through-drive become possibility.
Summary of the invention: this invention is characterised in that; The hard axle of rigidity cooperates the special-purpose flexible coupling of minor diameter to constitute the new construction transmission system.The centre of hard shaft transmission system is a stiff shaft, and respectively there is a special-purpose flexible coupling at two ends, and the one end connects power by the clutch cup axle, and the other end connects exciting force production part vibrating body, constitutes hard shaft transmission system jointly.
The realization of industrialization of this brand-new transmission system, meaning is hard axle intensity amount of redundancy abundance, solve Vintage Product transmission system strength deficiency, influenced the structural technical bottleneck problem of machine life, the reliability of tamping unit is significantly increased, life-span obtains several times improves, and before the applying date, thousand equipment driven system faults that put goods on the market are zero, therefore adopt the railway roadbed tamping unit of hard shaft transmission system, become a kind of high-quality product that possesses unique advantage.
Description of drawings:
Among the figure 1; Vibrating body-be load terminal, belong to the exciting force production part, be connected with power transmission shaft by shaft coupling.
Among the figure 2; Shaft coupling-special part flexible part is installed in the power transmission shaft two ends.
Among the figure 3; Hard power transmission shaft-be the positive drive parts between power source and the load.
Among the figure 4; Clutch cup axle-obtain Power Component, an end connects power, and an end connects power transmission shaft by shaft coupling.
The specific embodiment:
Adopt general industry Pyatyi machining accuracy standard, process power transmission shaft 3 by the design drawing requirement, these power transmission shaft two ends have the plug-in position that position of bearings and certain-length are installed, and detect then, and main test item has dynamic equilibrium, each several part size, axiality, fineness etc.Process the shaft coupling single-piece by the design drawing requirement, the flexible plastic spare of intercepting suitable length is assembled into shaft coupling 2.Require to process clutch cup axle 4, vibrating body 1 according to design drawing then.Order according to vibrating body, shaft coupling, power transmission shaft, shaft coupling, clutch cup axle is installed in the tamping pickaxe sleeve at last, finishes overall package, and careful check back packing is dispatched from the factory.
Claims (1)
1. the hard shaft transmission system of railway roadbed tamping unit is characterized in that a rigidity power transmission shaft connects power by flexible coupling one end, and the other end connects vibration component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100425197A CN103255688A (en) | 2012-02-15 | 2012-02-15 | High-strength hard shaft transmission system of ballast bed tamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100425197A CN103255688A (en) | 2012-02-15 | 2012-02-15 | High-strength hard shaft transmission system of ballast bed tamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103255688A true CN103255688A (en) | 2013-08-21 |
Family
ID=48959872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100425197A Pending CN103255688A (en) | 2012-02-15 | 2012-02-15 | High-strength hard shaft transmission system of ballast bed tamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103255688A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB799840A (en) * | 1955-07-25 | 1958-08-13 | Losenhausenwerk Duesseldorfer | Improvements in apparatus for consolidating track ballast |
| CN2608542Y (en) * | 2003-04-08 | 2004-03-31 | 南京铁路分局南京工务段 | All in one electric tamping tool |
| CN201043254Y (en) * | 2007-02-09 | 2008-04-02 | 金子祺 | Tamping pickaxe with hard axis transmission structure |
| CN201236900Y (en) * | 2008-03-09 | 2009-05-13 | 邵国斌 | Novel coupling |
| CN202531676U (en) * | 2012-02-15 | 2012-11-14 | 邵国斌 | High-strength hard shaft driving system for ballast bed tamping device |
-
2012
- 2012-02-15 CN CN2012100425197A patent/CN103255688A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB799840A (en) * | 1955-07-25 | 1958-08-13 | Losenhausenwerk Duesseldorfer | Improvements in apparatus for consolidating track ballast |
| CN2608542Y (en) * | 2003-04-08 | 2004-03-31 | 南京铁路分局南京工务段 | All in one electric tamping tool |
| CN201043254Y (en) * | 2007-02-09 | 2008-04-02 | 金子祺 | Tamping pickaxe with hard axis transmission structure |
| CN201236900Y (en) * | 2008-03-09 | 2009-05-13 | 邵国斌 | Novel coupling |
| CN202531676U (en) * | 2012-02-15 | 2012-11-14 | 邵国斌 | High-strength hard shaft driving system for ballast bed tamping device |
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Application publication date: 20130821 |