CN103867534A - Hydraulic cylinder test device for railway tamping - Google Patents
Hydraulic cylinder test device for railway tamping Download PDFInfo
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- CN103867534A CN103867534A CN201410115111.7A CN201410115111A CN103867534A CN 103867534 A CN103867534 A CN 103867534A CN 201410115111 A CN201410115111 A CN 201410115111A CN 103867534 A CN103867534 A CN 103867534A
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- output terminal
- control valve
- directional control
- hydraulic cylinder
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Abstract
The invention discloses a hydraulic cylinder test device for railway tamping. The hydraulic cylinder test device for railway tamping comprises an oil tank, a tamping hydraulic cylinder test loop and a turnover hydraulic cylinder test loop, wherein the tamping hydraulic cylinder test loop and the turnover hydraulic cylinder test loop are used for detecting operation conditions of a tamping hydraulic cylinder of a tamping device and a turnover tamping hydraulic cylinder respectively. Oil inside the oil tank can be cooled through an oil tank cooling loop. Due to the arrangement of a pilot-operated type overflow valve, pressure in the corresponding loop can be limited. A reducing valve is arranged and plays a role in pressure reduction. An energy accumulator is arranged and can play a role in shock absorption when reversing is carried out.
Description
Technical field
The invention belongs to hydraulic test equipment, be specifically related to the oil hydraulic cylinder testing installation that a kind of railway is made firm by ramming.
Background technique
At present, railway tamping unit is common railway maintenance equipment.Make oil hydraulic cylinder, upset oil hydraulic cylinder firm by ramming at railway tamping unit.It in use often need to overhaul parts to these oil hydraulic cylinder parts and overhaul, and after maintenance, is also installed on tamping car and tests, if the problem of finding that there is also needs to pull down maintenance again, very inconvenient, test efficiency comparatively.
Therefore, be necessary to develop the oil hydraulic cylinder testing installation that a kind of railway is made firm by ramming.
Summary of the invention
Technical problem to be solved by this invention is to provide the oil hydraulic cylinder testing installation that a kind of railway is made firm by ramming, can carry out simulation test, is convenient to the maintenance of the each parts of tamping unit.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
The oil hydraulic cylinder testing installation that railway is made firm by ramming, comprises fuel tank and makes oil hydraulic cylinder test loop firm by ramming, the described oil hydraulic cylinder test loop of making firm by ramming comprises the second oil scavenge pump, first, the second solenoid directional control valve, reduction valve, the input end of the second oil scavenge pump is connected with fuel tank, output terminal is connected to respectively first, one input end of the second solenoid directional control valve, one output terminal of the first solenoid directional control valve is connected with reduction valve, the output terminal of reduction valve is connected to the inner casing of making firm by ramming of tamping unit, the output terminal of making inner casing firm by ramming is connected to another input end of the first solenoid directional control valve, one output terminal of the second solenoid directional control valve is connected to the outer shell of making firm by ramming of tamping unit, the output terminal of making outer shell firm by ramming is connected to another input end of the second solenoid directional control valve, another output terminal of the first solenoid directional control valve is connected to fuel tank after being connected with another output terminal of the second solenoid directional control valve.
In addition, also comprise upset oil hydraulic cylinder test loop, upset oil hydraulic cylinder test loop comprises the 3rd oil scavenge pump, the 3rd, the 4th solenoid directional control valve, and the input end of the 3rd oil scavenge pump is connected with fuel tank, and output terminal is connected to respectively an input end of the 3rd, the 4th solenoid directional control valve; The output terminal of the 3rd solenoid directional control valve is connected to the input end of the upset inner casing of tamping unit, and the output terminal of upset inner casing is connected to another input end of the 3rd solenoid directional control valve; One output terminal of the 4th solenoid directional control valve is connected to the input end of the upset outer shell of tamping unit, and the output terminal of upset outer shell is connected to another input end of the 4th solenoid directional control valve; Another output terminal of the 3rd solenoid directional control valve is connected to fuel tank after being connected with another output terminal of the 4th solenoid directional control valve.
Also comprise fuel tank cooling circuit, fuel tank cooling circuit comprises the 4th oil scavenge pump, industrial oil cooling machine, and the input end of the 4th oil scavenge pump is connected with fuel tank, and output terminal is connected with industrial oil cooling machine, and the output terminal of industrial oil cooling machine is connected to fuel tank.
On described input of making inside and outside cylinder firm by ramming, output terminal, be all connected with diaphragm accumulator.
On described fuel tank, be also provided with liquid level relay.
Adopt technique scheme, the oil hydraulic cylinder testing installation that this railway is made firm by ramming comprises fuel tank, makes oil hydraulic cylinder test loop firm by ramming, upset oil hydraulic cylinder test loop, respectively in order to test the operation quality of making oil hydraulic cylinder, upset oil hydraulic cylinder firm by ramming of tamping unit.Can also carry out cooling to the oil in fuel tank by fuel tank cooling circuit.By being set, can in the time commutating, play by accumulator the effect of absorbing vibration.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is the schematic diagram of the railway of the present invention oil hydraulic cylinder testing installation of making firm by ramming.
Embodiment
As shown in Figure 1, it comprises fuel tank 1 and makes oil hydraulic cylinder test loop firm by ramming the oil hydraulic cylinder testing installation that railway of the present invention is made firm by ramming.
Make oil hydraulic cylinder test loop firm by ramming and mainly comprise the second oil scavenge pump 21, first, the second solenoid directional control valve 22, 23, reduction valve 24, the second oil scavenge pump 21 can adopt vane pump, and adopt the AC motor of 11kw to drive, the input end of the second oil scavenge pump 21 is connected with fuel tank 1, the output terminal of the second oil scavenge pump 21 is connected to respectively first by tubular type one-way valve, the second solenoid directional control valve 22, an input end a of 23, one output terminal b of the first solenoid directional control valve 22 is connected with reduction valve 24, it is two groups that the output terminal of reduction valve 24 is connected to respectively making firm by ramming in inner casing 3(Fig. 1 of corresponding tamping unit), the output terminal of making inner casing 3 firm by ramming is connected to respectively another input end c of the first solenoid directional control valve 22, it is three groups that one output terminal b of the second solenoid directional control valve 23 is connected to respectively that tamping unit makes firm by ramming in outer shell 4(figure accordingly), the output terminal of making outer shell 4 firm by ramming is connected to respectively another input end c of the second solenoid directional control valve 23, after being connected with another output terminal d of the second solenoid directional control valve 23, another output terminal d of the first solenoid directional control valve 22 is connected to fuel tank 1 by continuous two the second return filters 25.Make inside and outside cylinder test principle firm by ramming identical, to test as example making inner casing 3 firm by ramming, the second oil scavenge pump 21 is under the driving of AC motor, oil is picked up to the first solenoid directional control valve 22, in the time of a of the first solenoid directional control valve 22 and b, c and d conducting, the piston rod of making inner casing 3 firm by ramming is subject to oil effect to carry out extend action, in the time of a of a solenoid directional control valve and c, b and d conducting, the piston rod of making inner casing 3 firm by ramming carries out reverse retract action, thereby realize, the action situation of making inner casing 3 firm by ramming is tested, with trouble hunt ing quality.Above-mentioned reduction valve 24 has been effects of step-down, if be greater than set pressure by oil pressure,, after reduction valve 24, pressure is reduced to set pressure, if be less than set pressure by oil pressure, is actual value.On described input of making inside and outside cylinder 3,4 firm by ramming, output terminal, be also all connected with diaphragm accumulator 26, in the time of commutation, in order to play the effect of absorbing vibration.
In addition, also comprise upset oil hydraulic cylinder test loop, upset oil hydraulic cylinder test loop mainly comprises the 3rd oil scavenge pump 31, the 3rd, the 4th solenoid directional control valve 32,33, the 3rd oil scavenge pump 31 also adopts vane pump, and adopt the AC motor of 15kw to drive, the input end of the 3rd oil scavenge pump 31 is connected with fuel tank 1, and output terminal is connected to respectively an input end a of the 3rd, the 4th solenoid directional control valve 32,33; The output terminal b of the 3rd solenoid directional control valve 32 is connected to respectively the input end of the upset inner casing 5 of tamping unit, and the output terminal of upset inner casing 5 is connected to another input end c of the 3rd solenoid directional control valve 32; One output terminal b of the 4th solenoid directional control valve 33 is connected to the input end of the upset outer shell 6 of tamping unit, and the output terminal of upset outer shell 6 is connected to another input end c of the 4th solenoid directional control valve 33; Another output terminal d of the 3rd solenoid directional control valve 32 is also connected to fuel tank 1 by the second return filter 25 after being connected with another output terminal d of the 4th solenoid directional control valve 33.The principle of this upset oil hydraulic cylinder test loop is with to make oil hydraulic cylinder test loop firm by ramming similar, in order to the action situation of the inside and outside cylinder 5,6 that overturns is tested, with trouble hunt ing quality.
Also comprise fuel tank cooling circuit, fuel tank cooling circuit comprises the 4th oil scavenge pump 41, industrial oil cooling machine 42, the 4th oil scavenge pump 41 also adopts vane pump and adopts the AC motor of 3kw to drive, the input end of the 4th oil scavenge pump 41 is connected with fuel tank 1, output terminal is connected with industrial oil cooling machine 42, and the output terminal of industrial oil cooling machine 42 is connected to fuel tank 1 by the 3rd return filter 43.By the 4th oil scavenge pump 41, the oil of fuel tank 1 is picked up and undertaken by industrial oil cooling machine 42 cooling, thereby fuel tank 1 is lowered the temperature.
On fuel tank 1, be also provided with liquid level relay 8, be used for controlling the liquid level of fuel tank 1.
In sum, adopt the oil hydraulic cylinder testing installation that railway of the present invention is made firm by ramming to there is following advantage:
1, can simulate the operation situation of outer shell in interior outer shell, upset of fiddling with, thus can trouble hunt ing quality;
2, can also carry out cooling to the oil in fuel tank 1 by fuel tank 1 cooling circuit;
4, by pilot operated compound relief valve 27,34 is set, can limit the pressure in corresponding circuit;
5, by reduction valve 24 is set, can play hypotensive effect;
6, by being set, can in the time commutating, play by accumulator 26 effect of absorbing vibration.
But; those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order better to make those skilled in the art can understand this patent; can not be interpreted as it is the restriction to this patent protection domain; as long as any being equal to done according to spirit that this patent discloses changes or modify, all fall into the scope of this patent protection.
Claims (5)
1. the oil hydraulic cylinder testing installation that railway is made firm by ramming, comprises fuel tank and makes oil hydraulic cylinder test loop firm by ramming, the described oil hydraulic cylinder test loop of making firm by ramming comprises the second oil scavenge pump, first, the second solenoid directional control valve, reduction valve, the input end of the second oil scavenge pump is connected with fuel tank, output terminal is connected to respectively first, one input end of the second solenoid directional control valve, one output terminal of the first solenoid directional control valve is connected with reduction valve, the output terminal of reduction valve is connected to the inner casing of making firm by ramming of tamping unit, the output terminal of making inner casing firm by ramming is connected to another input end of the first solenoid directional control valve, one output terminal of the second solenoid directional control valve is connected to the outer shell of making firm by ramming of tamping unit, the output terminal of making outer shell firm by ramming is connected to another input end of the second solenoid directional control valve, another output terminal of the first solenoid directional control valve is connected to fuel tank after being connected with another output terminal of the second solenoid directional control valve.
2. the oil hydraulic cylinder testing installation that railway according to claim 1 is made firm by ramming, it is characterized in that: also comprise upset oil hydraulic cylinder test loop, upset oil hydraulic cylinder test loop comprises the 3rd oil scavenge pump, the 3rd, the 4th solenoid directional control valve, the input end of the 3rd oil scavenge pump is connected with fuel tank, and output terminal is connected to respectively an input end of the 3rd, the 4th solenoid directional control valve; The output terminal of the 3rd solenoid directional control valve is connected to the input end of the upset inner casing of tamping unit, and the output terminal of upset inner casing is connected to another input end of the 3rd solenoid directional control valve; One output terminal of the 4th solenoid directional control valve is connected to the input end of the upset outer shell of tamping unit, and the output terminal of upset outer shell is connected to another input end of the 4th solenoid directional control valve; Another output terminal of the 3rd solenoid directional control valve is connected to fuel tank after being connected with another output terminal of the 4th solenoid directional control valve.
3. the oil hydraulic cylinder testing installation that railway according to claim 1 and 2 is made firm by ramming, it is characterized in that: also comprise fuel tank cooling circuit, fuel tank cooling circuit comprises the 4th oil scavenge pump, industrial oil cooling machine, the input end of the 4th oil scavenge pump is connected with fuel tank, output terminal is connected with industrial oil cooling machine, and the output terminal of industrial oil cooling machine is connected to fuel tank.
4. the oil hydraulic cylinder testing installation that railway according to claim 2 is made firm by ramming, is characterized in that: described in make firm by ramming in the input, output terminal of inside and outside cylinder and be all connected with diaphragm accumulator.
5. the oil hydraulic cylinder testing installation that railway according to claim 1 is made firm by ramming, is characterized in that: on described fuel tank, be also provided with liquid level relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115111.7A CN103867534A (en) | 2014-03-26 | 2014-03-26 | Hydraulic cylinder test device for railway tamping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115111.7A CN103867534A (en) | 2014-03-26 | 2014-03-26 | Hydraulic cylinder test device for railway tamping |
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| CN103867534A true CN103867534A (en) | 2014-06-18 |
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| CN201410115111.7A Pending CN103867534A (en) | 2014-03-26 | 2014-03-26 | Hydraulic cylinder test device for railway tamping |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218197Y (en) * | 1994-10-26 | 1996-01-24 | 西铁凤州铁路专用设备配件加工厂 | Hydraulic moving apparatus of small-size hydraulic tamping tool |
| JP2006307653A (en) * | 2005-04-26 | 2006-11-09 | Fuji Heavy Ind Ltd | Horizontal axial windmill |
| CN101576058A (en) * | 2008-12-18 | 2009-11-11 | 上海电气液压气动有限公司 | Hydraulic control system of wind power generating device |
| CN201546897U (en) * | 2009-11-24 | 2010-08-11 | 新华威尔液压系统(上海)有限公司 | Hydraulic brake control system for wind driven generator group |
| CN101979868A (en) * | 2010-11-03 | 2011-02-23 | 上海电气液压气动有限公司 | Spindle brake device for wind power generation hydraulic system |
| CN201865996U (en) * | 2010-11-16 | 2011-06-15 | 上海创力矿山设备有限公司 | Cooling and filtering system for pneumatic oil tank of development machine |
| CN202108797U (en) * | 2011-07-04 | 2012-01-11 | 唐山中铁实业有限公司 | Hydraulic test bed |
| CN102528543A (en) * | 2012-01-12 | 2012-07-04 | 上海三一精机有限公司 | Hydraulic balancing loop and hydraulic balancing device |
| CN203809421U (en) * | 2014-03-26 | 2014-09-03 | 上海电气液压气动有限公司 | Hydraulic cylinder test equipment for tamping railway |
-
2014
- 2014-03-26 CN CN201410115111.7A patent/CN103867534A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218197Y (en) * | 1994-10-26 | 1996-01-24 | 西铁凤州铁路专用设备配件加工厂 | Hydraulic moving apparatus of small-size hydraulic tamping tool |
| JP2006307653A (en) * | 2005-04-26 | 2006-11-09 | Fuji Heavy Ind Ltd | Horizontal axial windmill |
| CN101576058A (en) * | 2008-12-18 | 2009-11-11 | 上海电气液压气动有限公司 | Hydraulic control system of wind power generating device |
| CN201546897U (en) * | 2009-11-24 | 2010-08-11 | 新华威尔液压系统(上海)有限公司 | Hydraulic brake control system for wind driven generator group |
| CN101979868A (en) * | 2010-11-03 | 2011-02-23 | 上海电气液压气动有限公司 | Spindle brake device for wind power generation hydraulic system |
| CN201865996U (en) * | 2010-11-16 | 2011-06-15 | 上海创力矿山设备有限公司 | Cooling and filtering system for pneumatic oil tank of development machine |
| CN202108797U (en) * | 2011-07-04 | 2012-01-11 | 唐山中铁实业有限公司 | Hydraulic test bed |
| CN102528543A (en) * | 2012-01-12 | 2012-07-04 | 上海三一精机有限公司 | Hydraulic balancing loop and hydraulic balancing device |
| CN203809421U (en) * | 2014-03-26 | 2014-09-03 | 上海电气液压气动有限公司 | Hydraulic cylinder test equipment for tamping railway |
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Application publication date: 20140618 |