CN104129402B - A kind of two-sided horizontal sliding brake type car retarder actuating unit - Google Patents
A kind of two-sided horizontal sliding brake type car retarder actuating unit Download PDFInfo
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- CN104129402B CN104129402B CN201410397715.5A CN201410397715A CN104129402B CN 104129402 B CN104129402 B CN 104129402B CN 201410397715 A CN201410397715 A CN 201410397715A CN 104129402 B CN104129402 B CN 104129402B
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- rail chair
- joist
- actuating unit
- braking
- horizontal sliding
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Abstract
One provided by the invention two-sided horizontal sliding brake type car retarder actuating unit, by the cylinder body of inside and outside braking rail chair and two-way cylinder and oil cylinder piston parts are directly fixedly connected with, without the need to other intermediate connectors, ensure that transmission and the stability of power, simultaneously, outer braking rail chair limits outer braking rail chair by the cooperation of the guiding step of guide groove and joist can only do horizontal motion, fork makes transition cylinder be produced relative rotation by rotary motion pair and outer support seat by axial motion pair, thus eliminate fork because swinging the amount of exercise in the height direction produced, under the swing of fork, drive outer support seat to do the motion of horizontal direction, the outer braking rail chair overcoming prior art existence can produce the steady amount of exercise that is uneven by the vertical direction, cause braking or alleviate unstable problem.It is reliable that this two-sided horizontal sliding brake type car retarder actuating unit installs centering, braking and remission time short, compact conformation, control position are reliable and stable, easy to maintenance.
Description
Technical field
The present invention relates to a kind of two-sided horizontal sliding brake type car retarder actuating unit.
Background technology
At present, domestic application is in the car retarder actuating unit of gravitation marshalling yard, and having clamp type and non-clamp type two kinds of structures by braking principle, is the main speed control device of gravitation marshalling yard, for adjusting the interval and speed that hook car.Meet the job requirements of gravitation marshalling yard vehicle speed control device, improve disintegration and the make up capacity of gravitation marshalling yard, alleviate the labour intensity of operating personnel, improve Personal Safety, to railway freight, there are significant economic results in society.
Non-clamp type retarder of a great variety.The retarder energy consumption that is in operation of the braking such as electromagnetic energy is high, and equipment cost is high; The retarder unit system kinetic energy higher primary school of one side brake, along with vehicle tonnage increases, needs to improve braking potential further; The installation quantity of decelerating is many, and braking force is little, and in station track, afterbody degree of utilization is low, not easily finds during et out of order, easily produces operation hidden danger.
Clamp type retarder is divided into gravity type retarder and non-gravity formula retarder.
Gravity type retarder can adjust braking force automatically by vehicle weight; Non-gravity formula retarder is complete outer power adjustment braking force then.
The shortcoming of traditional clamp type retarder is: the installation of actuating unit needs to be based upon on proprietary basis, need to set up huge power source compartment and propulsion source delivery system, its structure and system are installed complicated, maintenance workload is large, laid down cost is high, will consider powertrain system simultaneously and affect the operation of adjacent station track when maintenance or the station track equipment of replacing.
Along with railway freight is to the development in heavily loaded direction, exploitation unit system kinetic energy is tall and big, structure simple, low cost of manufacture, two-sided car retarder actuating unit is very necessary simply and easily in installation and maintenance.
For realizing this object, the patent No. provides " a kind of vehicle speed-reducer implementation device with double-sided braking joist structure " for the Chinese invention patent of " ZL200910023172.X ", and it is connected by the horizontal sliding inner bearing type stop mechanism between the stock rail parallel with being arranged on two and be placed in flat push type braking rail outside the left and right outside each parallel stock rail and realizes the braking to vehicle.
This kind of structure realizes braking both sides inside and outside vehicle simultaneously, produce clamp-type effect, braking force is large, steadily, but it is arranged on the two ends piston element of the oil cylinder on joist, realized and the connecting of the inner support seat of inside brake rail by hinged mode, the transmission that there is power is sluggish, the rapid problem with rocking of response, and it is when to pass to the outer support seat of outer braking rail by connecting rod by power, also be by bearing pin and outer support seat hinged, outer support seat is in the process of braking or alleviate, relative bearing pin rotates, the steady amount of exercise that is uneven can be produced by the vertical direction, cause braking or alleviate unstable, there is potential safety hazard.
Summary of the invention
The object of the invention is to overcome braking that existing vehicle speed-reducer implementation device with double-sided braking joist structure exists and alleviate response not in time, unstable, the problem that there is potential safety hazard.
For this reason, the invention provides a kind of two-sided horizontal sliding brake type car retarder actuating unit, comprise multiple parallel joist, each joist left and right end portions end face respectively installs a stock rail parallel to each other, the inside and outside both sides of these two stock rails are provided with inside brake rail chair and outer braking rail chair, the end face of this inside brake rail chair and outer braking rail chair is respectively provided with an inside brake rail and an outer braking rail, and the joist between two stock rails is provided with two-way cylinder;
This two-way cylinder comprises cylinder block parts and is placed in the oil cylinder piston parts of this cylinder block parts right part, respectively by be connected with it and in extending straight down the inner of fork and connecting rod by the first hinge, the outer end of connecting rod is hinged by the lower end of the second bearing pin and outside lever, outside lever by the 3rd bearing pin and joist hinged, the top of outside lever connects with outer braking rail chair, and described cylinder block parts and oil cylinder piston parts are directly fixedly connected with the inner end face of described inside brake rail chair respectively;
The bottom surface of described outer braking rail chair offers one and axially extends and downward opening guide groove along joist, and the bottom edge place of two relative facades of this guide groove extends to inner process and along the axis of joist, forms relative platform edge;
The left and right end portions of joist is respectively provided with an orienting lug, the top of this orienting lug is placed in described guide groove, and the top of this orienting lug extends to guide groove both lateral sides, form the guiding step protruded to these top cross both sides, and this guiding step and described are along overlapping;
The top of outside lever extends in described outer braking rail chair, and is connected with transition cylinder by axial motion pair, and transition cylinder is connected with outer braking rail chair by rotary motion pair.
Above-mentioned connecting rod is arranged on the below of joist both lateral sides.
Above-mentioned interior fork and described inside brake rail chair are fixedly connected.
One provided by the invention two-sided horizontal sliding brake type car retarder actuating unit, deceleration and stopping performance is reliable and stable, the positive and negative twocouese motion of hydraulic ram ensures the stable action of two-sided horizontal sliding brake type car retarder actuating unit, braking and alleviate neutral can be reliable, meet two-sided horizontal sliding brake type car retarder actuating unit to car brakeing needs and braking reliability can requirement.
Equipment does not need to increase Infrastructure, and structure is simple, only needs to block this station track when installing or safeguard, noiseless to adjacent line operation.
Two-sided horizontal sliding brake type car retarder actuating unit adopts double-sided braking, and braking energy is tall and big, adapts to the demand of Heavy-haul Freight development.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 two-sided horizontal sliding brake type car retarder actuating unit is at the assembling schematic diagram of working position;
Fig. 2 is the A-A section-drawing of Fig. 1.
In figure: 1, joist; 2,3, stock rail; 4,5, inside brake rail chair; 6,7, outer braking rail chair; 8,9, inside brake rail; 10,11, outer braking rail; 12, two-way cylinder; 13, cylinder block parts; 14, oil cylinder piston parts; 15,16, interior fork; 17,18, connecting rod; 19,20, the first bearing pin; 21,22, the second bearing pin; 23,24, outside lever; 25, the 26, the 3rd bearing pin; 27, guide groove; 28, the 29, the 3rd bearing pin; 30, orienting lug; 31,32, guiding step; 33, axial motion is secondary; 34, transition cylinder; 35, rotary motion pair.
Detailed description of the invention
In order to overcome the braking of existing vehicle speed-reducer implementation device with double-sided braking joist structure existence and alleviate response not in time, unstable, there is the problem of potential safety hazard, present embodiments provide the two-sided horizontal sliding brake type car retarder actuating unit shown in a kind of Fig. 1, except oil cylinder, left and right parts are all with basic circuit Central Symmetry, mainly comprise multiple parallel joist 1, each joist 1 left and right end portions end face respectively installs a stock rail 2 parallel to each other, 3, these two stock rails 2, the inside and outside both sides of 3 are provided with inside brake rail chair 4, 5 and outer braking rail chair 6, 7, this inside brake rail chair 4, 5 and outer braking rail chair 6, the end face of 7 is respectively provided with an inside brake rail 8, 9 and an outer braking rail 10, 11, two stock rails 2, joist 1 between 3 is provided with two-way cylinder 12, this two-way cylinder 12 comprises cylinder block parts 13 and is placed in the oil cylinder piston parts 14 of this cylinder block parts 13 right part, respectively by being connected with it and fork 15 in extending straight down, 16 with connecting rod 17, the inner of 18 is by the first bearing pin 19, 20 is hinged, connecting rod 17, the outer end of 18 is by the second bearing pin 21, 22 with outside lever 23, the lower end of 24 is hinged, outside lever 23, 24 by the 3rd bearing pin 25, 26 is hinged with joist 1, outside lever 23, the top of 24 and outer braking rail chair 6, 7 connect, so far, the formation of described two-sided horizontal sliding brake type car retarder actuating unit is substantially for the patent No. mentioned in background technology is the content disclosed in the Chinese invention patent of " ZL200910023172.X ", and be overcome oil cylinder in this car retarder actuating unit to be realized and the connecting of the inner support seat of inside brake rail by fork and hinged mode, the transmission that there is power is sluggish, the rapid problem with rocking of response, the present embodiment spy changes its draw bail, specifically by cylinder block parts 13 and oil cylinder piston parts 14 respectively with described inside brake rail chair 4, the inner end face of 5 is directly fixedly connected, achieve directly being rigidly connected of two-way cylinder 12 and inside brake rail chair, centre does not have other transmission devices, and mode that neither be hinged, the transmission of the power made is direct, fast, noiseless, transmit stable.
And in order to overcome car retarder actuating unit disclosed in above-mentioned patent power passed to the outer support seat of outer braking rail by connecting rod time, also be by bearing pin and outer support seat hinged, outer support seat is in the process of braking or alleviate, relative bearing pin rotates, the steady amount of exercise that is uneven can be produced by the vertical direction, cause braking or alleviate unstable, there is the problem of potential safety hazard, the present embodiment spy provides the draw bail shown in Fig. 2, namely rail chair 6 is braked outside, the bottom surface of 7 offers one and axially extends and downward opening guide groove 27 along joist 1, the bottom edge place of two relative facades of this guide groove 27 extends to inner process and along the axis of joist 1, form relative platform along 28, 29, the left and right end portions of joist 1 is respectively provided with an orienting lug 30, the top of this orienting lug 30 is placed in described guide groove 27, and the top of this orienting lug 30 extends to guide groove 27 both lateral sides, form the guiding step 31,32 protruded to these top cross both sides, and this guiding step 31,32 and described along 28,29 overlapping, the top of outside lever 23,24 extends in described outer braking rail chair 6,7, and is connected with transition cylinder 34 by axial motion secondary 33, and transition cylinder 34 is connected with outer braking rail chair 6,7 by rotary motion pair 35.
Thus, when braking or alleviate, this two-sided horizontal sliding brake type car retarder actuating unit that the present embodiment provides, by the relative motion of oil cylinder piston parts 14 and cylinder block parts 13, makes inside brake rail chair 4,5 produce translation; Hinged pair simultaneously through the first bearing pin 20 place passes to connecting rod 17,18, then passes to fork 18 by the hinged pair at the second bearing pin 22 place, makes the raw swing of the hinged by-product of fork 18 around the 3rd bearing pin 26 place; Horizontal motion can only be done because outer braking rail chair 6,7 limits outer braking rail chair 6,7 by the cooperation of the guiding step 31,32 of guide groove 27 and joist 1, fork 24 makes transition cylinder 34 be produced relative rotation by rotary motion pair 35 and outer braking rail chair 6,7 by axial motion pair 33, thus eliminate fork 24 because swinging the amount of exercise in the height direction produced, under the swing of fork 24, drive outer support seat to do the motion of horizontal direction, complete braking and alleviate motion.
Wherein, connecting rod 17,18 is arranged on the below of joist 1 both lateral sides.And interior fork 15,16 and inside brake rail chair 4,5 are fixedly connected, further ensure that being rigidly connected of inside brake rail chair and two-way cylinder, make capable transmission more direct and stable.
This two-sided horizontal sliding brake type car retarder actuating unit, without the need to installation foundation, only needs when installing or safeguard to block this station track, noiseless to adjacent line operation.
Working process of the present invention and mode:
The present invention's two-sided horizontal sliding brake type car retarder actuating unit has retarder location and alleviates two, position working position, and the implementation procedure of each working position is described below respectively:
The working process of retarder location and mode:
When oil cylinder piston parts 14 and cylinder block parts 13 away from time, promote inside brake rail chair 4,5 outwards to move, inside brake rail chair 4,5 is by interior fork 15,16, first bearing pin 19,20 drivening rod 17,18, connecting rod 17,18 drives outside lever 23,24 by the second bearing pin 21,22, outside lever 23,24 is by swinging with the hinged by-product of joist 1 at the 3rd bearing pin 25,26 place is raw, and outside lever 23,24 makes transition cylinder 34 promote outer braking rail chair 6,7 by rotary motion pair 35 by axial motion pair 33 to move to the inside; Opening size B=123 between inside and outside braking rail
mm, two-sided horizontal sliding brake type car retarder actuating unit is in braking mode.
Alleviate working process and the mode of position:
When oil cylinder piston parts 14 and cylinder block parts 13 near time, inside brake rail chair 4,5 is driven inwardly to move, inside brake rail chair 4,5 passes through interior fork 15,16, first bearing pin 19,20 drivening rod 17,18 by inside brake rail chair 4,5, connecting rod 17,18 drives outside lever 23,24 by the second bearing pin 21,22, outside lever 23,24 is by swinging with the hinged by-product of joist 1 at the 3rd bearing pin 25,26 place is raw, and outside lever 23,24 makes transition cylinder 34 promote outer braking rail chair 6,7 by rotary motion pair 35 by axial motion pair 33 to move to the inside; Opening size B >=165mm between inside and outside braking rail, two-sided horizontal sliding brake type car retarder actuating unit is in relieved state.
The working process of working position and mode:
When two-sided horizontal sliding brake type car retarder actuating unit under skating vehicle enters braking mode, wheel-tyre width (standard wheel thick 135
mm) be greater than 123mm, therefore, wheel is squeezed brake-caliper opening size B the thickness of wheel by 123mm, and now, generation friction force is made car retardation by braking rail and wheel, and two-sided horizontal sliding brake type car retarder actuating unit is in working position.
Claims (3)
1. a two-sided horizontal sliding brake type car retarder actuating unit, comprise multiple parallel joist (1), each joist (1) left and right end portions end face respectively installs a stock rail (2 parallel to each other, 3), these two stock rails (2, 3) inside and outside both sides are provided with inside brake rail chair (4, 5) and outer braking rail chair (6, 7), this inside brake rail chair (4, 5) and outer braking rail chair (6, 7) end face is respectively provided with an inside brake rail (8, 9) and one outer braking rail (10, 11), two stock rails (2, 3) joist (1) between is provided with two-way cylinder (12),
This two-way cylinder (12) comprises cylinder block parts (13) and is placed in the oil cylinder piston parts (14) of this cylinder block parts (13) right part, respectively by being connected with it and fork (15 in extending straight down, 16) with connecting rod (17, 18) the inner is by the first bearing pin (19, 20) hinged, connecting rod (17, 18) outer end is by the second bearing pin (21, 22) with outside lever (23, 24) lower end is hinged, outside lever (23, 24) by the 3rd bearing pin (25, 26) hinged with joist (1), outside lever (23, 24) top and outer braking rail chair (6, 7) connect, it is characterized in that:
Described cylinder block parts (13) and oil cylinder piston parts (14) are directly fixedly connected with the inner end face of described inside brake rail chair (4,5) respectively;
The bottom surface of described outer braking rail chair (6,7) offers one and axially extends and downward opening guide groove (27) along joist (1), the bottom edge place of two relative facades of this guide groove (27) extends to inner process and along the axis of joist (1), forms relative platform along (28,29);
The left and right end portions of joist (1) is respectively provided with an orienting lug (30), the top of this orienting lug (30) is placed in described guide groove (27), and the top of this orienting lug (30) extends to guide groove (27) both lateral sides, form the guiding step (31,32) protruded to these top cross both sides, and this guiding step (31,32) is overlapping with described edge (28,29);
The top of outside lever (23,24) extends in described outer braking rail chair (6,7), and is connected with transition cylinder (34) by axial motion pair (33), and transition cylinder (34) is connected with outer braking rail chair (6,7) by rotary motion pair (35).
2. two-sided horizontal sliding brake type car retarder actuating unit as claimed in claim 1, is characterized in that: described connecting rod (17,18) is arranged on the below of joist (1) both lateral sides.
3. two-sided horizontal sliding brake type car retarder actuating unit as claimed in claim 1 or 2, is characterized in that: described interior fork (15,16) and described inside brake rail chair (4,5) are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397715.5A CN104129402B (en) | 2014-08-14 | 2014-08-14 | A kind of two-sided horizontal sliding brake type car retarder actuating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397715.5A CN104129402B (en) | 2014-08-14 | 2014-08-14 | A kind of two-sided horizontal sliding brake type car retarder actuating unit |
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| Publication Number | Publication Date |
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| CN104129402A CN104129402A (en) | 2014-11-05 |
| CN104129402B true CN104129402B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410397715.5A Active CN104129402B (en) | 2014-08-14 | 2014-08-14 | A kind of two-sided horizontal sliding brake type car retarder actuating unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109131420B (en) * | 2018-09-20 | 2020-01-14 | 西安理工大学 | Translation vehicle deceleration system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2330577A1 (en) * | 1975-11-05 | 1977-06-03 | Wabco Westinghouse | Trackside brake for railway shunting yard - has brake member each side of rail, forced onto wheel rim by actuator |
| CN201329875Y (en) * | 2008-12-25 | 2009-10-21 | 西安优势铁路新技术有限责任公司 | Actuating mechanism for static sliding prevention device of lifting arrival and departure sidings |
| CN101585367B (en) * | 2009-07-02 | 2011-06-08 | 西安优势铁路新技术有限责任公司 | Vehicle speed-reducer implementation device with double-sided braking joist structure |
| CN203876772U (en) * | 2014-05-16 | 2014-10-15 | 西安优势铁路新技术有限责任公司 | Horizontally-push double-face braking speed reducer execution mechanism |
| CN204037586U (en) * | 2014-08-14 | 2014-12-24 | 西安优势铁路新技术有限责任公司 | A kind of two-sided horizontal sliding brake type car retarder actuating unit |
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