CN2535297Y - Electrically-controlled hydraulic brake for rail vehice - Google Patents
Electrically-controlled hydraulic brake for rail vehice Download PDFInfo
- Publication number
- CN2535297Y CN2535297Y CN 02224750 CN02224750U CN2535297Y CN 2535297 Y CN2535297 Y CN 2535297Y CN 02224750 CN02224750 CN 02224750 CN 02224750 U CN02224750 U CN 02224750U CN 2535297 Y CN2535297 Y CN 2535297Y
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- Prior art keywords
- oil
- brake
- telescopic boom
- cylinder
- hydraulic
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Abstract
An electronic-hydraulic control stopping device includes an actuator and a hydraulic control unit, which is characterized in that: the actuator includes a joist and a telescopic boom; the joist is isolated from a stock rail and an iron gasket by an insulating board and fixed with a stock rail channel steel by a press iron and a connecting bolt, a chute for telescopic boom and a sliding iron is connected with the channel steel, and the joist has two limit set screws at both ends; the telescopic boom is fastened and connected with two brake orbits by bolts, and a brake orbit seat, a brake orbit set screw, a position switch, a brake oil-cylinder and a support pipe are arranged in the chute and the sliding iron of the telescopic boom to form the telescopic boom; the brake cylinder is connected to a hydraulic control box through a main oil pipe and a branch oil pipe. The working oil pressure and voltage of the utility model can always be kept in normal operation, and the starting times of a motor oil pump is lower, and the incompressibility of hydraulic oil is good in long time circulation. The utility model has advantages of rapid boost, stable brake, high efficiency and oil-saving.
Description
The utility model relates to a kind of electric-controlled hydraulic anti-skid device, mainly is applicable to the electric-controlled hydraulic anti-skid stopping device of railway classification yard tail and private siding.
Have severally though be used for the anti-equipment that stops of slipping at present, have plenty of hydraulic pressure and add spring, have plenty of all-hydraulic.But all exist many weak points from situation about using.The braking force of spring loaded can not satisfy the anti-requirement of stopping of slipping.The all-hydraulic device that uses owing to there is not to solve the leakage problems of hydraulic efficiency pressure system, often causes decompression, degradation under the braking force at present.Adopt the motor pump repairing, can't solve the randomness overload problem of the numerous motor action of the whole audience and the fugitiveness of mechanics existence etc. again, hydraulic efficiency equipment can not reach the control purpose of initiatively thoroughly alleviating.Suitable at present all-hydraulic anti-slide device, the repairing road of working oil path and motor pump is a working oil path, stopping device is at work because the seepage of Hydraulic Elements, make the pressure oil additional fuel tank that bleeds often cause working oil pressure to descend, motor pump often produces automatic repairing, make whole power supply be in overload state, consequently reaching voltage decline can't normal operation.The general all-hydraulic device that uses, after the big chamber of brake cylinder hydraulic oil was subjected to high pressure, hydraulic oil just flowed into additional fuel tank after leaking into loculus.Cause the energy storage internal pressure to descend.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provide a kind of operating oil pressure and voltage to remain normal operation, the motor pump number of starts is few, the incompressibility of hydraulic oil in long-time cyclic process is good, it is fast to boost, braking is stable, efficient height, oil-efficient electric-controlled hydraulic stopping device.
The utility model design plan is as follows:
A kind of electric-controlled hydraulic stopping device, comprise actuating unit and hydraulic control unit, its special character is: described actuating unit comprises joist and telescopic boom 19, joist is isolated with insulcrete 4 and stock rail 6, parallels, and fix with foundary weight 5 and stock rail 3 channel-section steels 15 usefulness tie bolts, telescopic boom chute 7 and sliding iron 12 are connected with channel-section steel 15, and its two ends all are furnished with spacing jackscrew 2,10; Described telescopic boom 19 usefulness bolts and two braking rail 1 are fastenedly connected, and telescopic boom 19 is placed on flexible wall chute 7 by braking rail chair 8, braking rail jackscrew 9, position switch 11, brake cylinder 13, support tube 14 and sliding iron 12 is formed; Described brake cylinder 13 is connected with hydraulic control case 18 by oil main line 16, branch oil pipe 17; Described hydraulic efficiency gear comprises energy storage 21 and total shutoff valve 22, successively through the piston 27 of oil feed non-return valve 24, release of brake change-over valve 23, oil filter 25 and oil main line 16 access brake cylinders 13, the piston 27 and the telescopic boom 19 of brake cylinder 13 are connected as a single entity total shutoff valve 22 by oil pipe line.
Above-mentioned energy storage 21 enters brake cylinder 13 through total shutoff valve 22, oil filter 31, working connection 30, an oil circuit 29 successively.
Above-mentioned brake cylinder 13 is communicated with additional fuel tank 35 through branch oil pipe 17, oil main line 16, oil filter 25, release of brake change-over valve 23, oil extraction check valve 32, two circulating oil cylinder 33, pump oil change-over valve 34 successively.
The piston rod of above-mentioned pair of circulating oil cylinder 33 be can on move the piston rod that touches travel switch 36, two circulating oil cylinders 33 big chambeies are successively through return check valve 28, antiseepage repairing check valve 20, always shutoff valve 22 is communicated with energy storage 21.
The accompanying drawing drawing is described as follows:
Fig. 1 is the structural representation of the utility model telescopic boom and joist;
Fig. 2 is the planar view of the utility model telescopic boom;
Fig. 3 is the structure principle chart of the utility model hydraulic control unit.
The utility model is described in further detail below in conjunction with accompanying drawing:
Referring to Fig. 1,2, actuating unit has 6 groups or 5 groups of joists, and every group of joist isolated with stock rail backing plate b with insulcrete 4, and fixes with channel-section steel 15 usefulness tie bolts with foundary weight 5 and stock rail 3, telescopic boom chute 7 and sliding iron 12 are formed with channel-section steel 15 weld togethers, and two ends are furnished with spacing jackscrew 2,10.Actuating unit has 6 groups or 5 groups of telescopic booms 19, every group of telescopic boom 19 usefulness bolts and two braking rail 1 are fastenedly connected, and every group of telescopic boom 19 is made up of braking rail chair 8, braking rail jackscrew 9, position switch 11, brake cylinder 13, support tube 14, telescopic boom chute 7 and sliding iron 12.Brake cylinder 13 is connected with hydraulic control unit 18 by oil main line 16, branch oil pipe 17.
Referring to Fig. 2,3, operating principle of the present utility model is: energy storage 21 is refueled, aerating reaches 2Mpa, open total shutoff valve 22, hydraulic oil is through total shutoff valve 22 in the energy storage 21, oil feed non-return valve 24, release of brake change-over valve 23, oil filter 25 enters the big chamber of brake cylinder 13 by branch oil pipe 17, promote piston 27 protruding telescopic booms 19, braking rail chair 8 protruding two braking rail, the 1 attrition surface distances that make are 1367mm, after the broken-up wheel of vehicle enters the lead angle of two braking rail 1 on the hump, push two braking rail 1, because the inboard distance of two wheels is 1353mm, so two braking rail levels need compress 14mm apart from length, make the brake cylinder 13 pistons retraction 14mm that is connected as a single entity with telescopic boom 19.Because the effect of check valve 24 has formed the fully enclosed oil circuit, the pressure of hydraulic efficiency pressure system is raise, elevated pressure reacts to again on two braking rail 1, the inboard high pressure friction that produces of two braking rail levels and wheel stops the rotation of wheel, thereby reaches the anti-purpose of stopping of slipping.
Working process of the present utility model is: earlier Oil-gas Separation formula energy storage 21 tops are added nitrogen, the bottom adds hydraulic oil, and oil-gas ratio is 1: 1, and pressure 2Mpa opens total shutoff valve 22 then, makes oil circuit in running order.
The utility model braking procedure is: the restraining coil of cold release of brake change-over valve 23 was switched on about 3 seconds, made this valve be in retarder location.Hydraulic oil enters brake cylinder 13 big chambeies from energy storage 21 through total shutoff valve 22, oil feed non-return valve 24, release of brake change-over valve 23, oil filter 25, oil main line 16, branch oil pipe 17, promote piston 27 protruding 40mm, braking rail chair 8 stretches out to both sides, two braking rail level both sides are stretched out and are reached 1367mm, to the braking mode of operation.Hydraulic oil through branch oil pipe 29, working connection 10, oil filter 31, total 22 times energy storages 21 of shutoff valve, or flows into the big chamber of brake cylinders 13 through oil feed non-return valve 24 under the pressure of differential big chamber oil in brake cylinder 13 loculuses.
Alleviation process of the present utility model is: make about 3 seconds of the alleviation coil electricity of release of brake change-over valve 23, this valve is in alleviates the position.Hydraulic oil enters the loculus of brake cylinder 13 through total shutoff valve 22, oil filter 25, oil main line 16, branch oil pipe 17 from energy storage 21, make piston retraction 40mm, this moment, the fuel feeding road, big chamber of brake cylinder 13 was disconnected, the oil extraction road is logical, through branch oil pipe 17, braking cylinder barrel both sides retraction, two braking rail chairs, 8 retractions, two braking rail level distances retract to 1327mm, to alleviating mode of operation.
Brake cylinder 13 big chamber oil are alleviated path through branch oil pipe 17, oil main line 16, oil filter 25, release of brake change-over valve 23 under the effect of loculus pressure oil, on the piston of oil extraction check valve 32, two circulating oil cylinder 33 big chambeies, two circulating oil cylinder 33 and piston rod, move again, often leave pump oil change-over valve 34 location of piston top hydraulic oil, flows into additional fuel tank 35.
When moving on to closed upper stroke switch 36 on two circulating oil cylinder 33 piston rods, be that brake cylinder 13 big chamber oil all enter two circulating oil cylinder 33 big chambeies, motor pump 37 starts, delay time after 1～3 second, oil circuit is turn-offed in 34 energisings of pump oil change-over valve, the hydraulic oil of motor pump 2.5～3Mpa is higher than accumulation of energy pressure, two circulating oil cylinder 33 pistons of compressing move down, circulation hydraulic oil in the two circulating oil cylinder 33 big chambeies of compressing, through return check valve 28, antiseepage repairing check valve 20, total shutoff valve 22, energy storage 21, the pressure recovery that makes energy storage 21 is to initial condition again.
When two circulating oil cylinder 33 piston rods moved down into travel switch 36 disconnections, promptly the interior recycle oil of this piston bottom all was pressed into energy storage 21, and motor pump 26 quits work, pump oil change-over valve 34 power interruption recoverings location opening state.
The utility model compared with prior art has following advantage:
1, carries out two circulating oil paths, solved the randomness of motor pump repairing and subtracting of internal leak The pressure problem under the power failure situation, still can be kept the normal operation of boundary member simultaneously.
2, adopt after two circulating oil paths, make the repairing road of working oil path and motor pump separate the worker The Hydraulic Elements seepage of the making oil circuit oil piping system that coexists, and the repairing road of motor pump is followed by two The ring oil cylinder is restored the energy storage pressure of working oil path. Because motor pump is subjected to two recycle oils The control of oil mass in the cylinder, and the hydraulic oil of two circulating oil cylinders be boundary member in the conversion duty, namely by Brake the Xie Shicai that slows down and to obtain increasing, do not open simultaneously so can not produce whole numerous of standing a boundary member Moving and cause the overload state of power supply, guaranteed the normal operation of boundary member.
3, adopt after two circulating oil paths, when electric power system had a power failure, motor pump can't follow two When encircling in-oil cylinder oil pressure and entering accumulator, making in the situation of its alleviation, can utilize squeezing of wheel rim Pressure enters the normal operation that accumulator is safeguarded boundary member with the oil pressure in the big chamber of brake cylinder.
4, the brake piston cylinder is connected to differential duty, both eliminated the seepage shadow on piston both sides Ring, reduced again the oil mass of using of damped condition, reduced the number of starts of motor pump.
5, after the differential duty of employing, after flowing into loculus, the hydraulic oil in the big chamber of checking cylinder just flows again
Get back to energy storage, the pressure in the energy storage is replenished.Simultaneously, in the switching process of alleviating the power condition changing damped condition, brake cylinder is alleviated the hydraulic oil of loculus under the effect of brake cylinder piston, all flows into the big chamber of brake cylinder, has saved the oil mass of using of half.Do not flow into two circulating oil cylinders owing to alleviate the oil of loculus, motor pump needn't start repairing, has reduced the number of starts of motor pump.
6, adopt Oil-gas Separation piston separated accumulator, the air content of the hydraulic oil in the hydraulic efficiency pressure system is significantly reduced, make the cyclic process of the hydraulic oil of whole hydraulic efficiency pressure system in the long period, can keep good incompressibility, when the inboard extruding of wheel braking rail, it is fast to boost, and braking is stable, the efficient height.
7, adopted the braking rail of 250kg/m, and the flange of rail outwardly, under the condition of equal limit for height, improved the opposing torque in the friction braking procedure, promptly improved the braking energy height.
Claims (4)
1, a kind of electric-controlled hydraulic stopping device, comprise actuating unit and hydraulic control unit, it is characterized in that: described actuating unit comprises joist and telescopic boom (19), joist is isolated with insulcrete (4) and stock rail (6), parallels, and fix with tie bolt with foundary weight (5) and stock rail (3) channel-section steel (15), telescopic boom chute (7) and sliding iron (12) are connected with channel-section steel (15), and its two ends all are furnished with spacing jackscrew (2), (10); Described telescopic boom (19) is fastenedly connected with bolt and two braking rail (1), and telescopic boom (19) is placed on flexible wall chute (7) by braking rail chair (8), braking rail jackscrew (9), position switch (11), brake cylinder (13), support tube (14) and sliding iron (12) is formed; Described brake cylinder (13) is connected with hydraulic control case (18) by oil main line (16), branch oil pipe (17); Described hydraulic efficiency gear comprises energy storage (21) and total shutoff valve (22), successively through the piston (27) of oil feed non-return valve (24), release of brake change-over valve (23), oil filter (25) and oil main line (16) access brake cylinder (13), the piston (27) of brake cylinder (13) is connected as a single entity with telescopic boom (19) total shutoff valve (22) by oil pipe line.
2, electric-controlled hydraulic stopping device according to claim 1 is characterized in that: described energy storage (21) enters brake cylinder (13) through total shutoff valve (22), oil filter (31), working connection (30), an oil circuit (29) successively.
3, electric-controlled hydraulic stopping device as claimed in claim 1 or 2 is characterized in that: described brake cylinder (13) is communicated with additional fuel tank (35) through branch oil pipe (17), oil main line (16), oil filter (25), release of brake change-over valve (23), oil extraction check valve (32), two circulating oil cylinder (33), pump oil change-over valve (34) successively.
4, as electric-controlled hydraulic stopping device as described in the claim 3, it is characterized in that: the piston rod of described pair of circulating oil cylinder (33) be can on move the piston rod that touches travel switch (36), the big chamber of two circulating oil cylinders (33) is communicated with energy storage (21) through return check valve (28), antiseepage repairing check valve (20), total shutoff valve (22) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224750 CN2535297Y (en) | 2002-04-22 | 2002-04-22 | Electrically-controlled hydraulic brake for rail vehice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224750 CN2535297Y (en) | 2002-04-22 | 2002-04-22 | Electrically-controlled hydraulic brake for rail vehice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535297Y true CN2535297Y (en) | 2003-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02224750 Expired - Fee Related CN2535297Y (en) | 2002-04-22 | 2002-04-22 | Electrically-controlled hydraulic brake for rail vehice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535297Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381569A (en) * | 2010-09-03 | 2012-03-21 | 中国石油化工股份有限公司 | Fixed-point quantitative automatic loading method of bulk sulfur |
| CN101205939B (en) * | 2006-12-19 | 2013-08-07 | 罗伯特·博世有限公司 | Hydraulic manifold block of hydraulic power source and hydraulic power source with hydraulic manifold block |
| CN104228869A (en) * | 2014-09-12 | 2014-12-24 | 西安优势铁路设备有限公司 | Ascending and descending type integral beam parking anti-running device |
-
2002
- 2002-04-22 CN CN 02224750 patent/CN2535297Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205939B (en) * | 2006-12-19 | 2013-08-07 | 罗伯特·博世有限公司 | Hydraulic manifold block of hydraulic power source and hydraulic power source with hydraulic manifold block |
| CN102381569A (en) * | 2010-09-03 | 2012-03-21 | 中国石油化工股份有限公司 | Fixed-point quantitative automatic loading method of bulk sulfur |
| CN102381569B (en) * | 2010-09-03 | 2014-01-15 | 中国石油化工股份有限公司 | Fixed-point quantitative automatic loading method of bulk sulfur |
| CN104228869A (en) * | 2014-09-12 | 2014-12-24 | 西安优势铁路设备有限公司 | Ascending and descending type integral beam parking anti-running device |
| CN104228869B (en) * | 2014-09-12 | 2016-11-23 | 西安优势铁路设备有限公司 | A kind of lift support beam parking anti-slip device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |