CN2582958Y - Parallel speed reducer for electric vehicle - Google Patents
Parallel speed reducer for electric vehicle Download PDFInfo
- Publication number
- CN2582958Y CN2582958Y CN 03203547 CN03203547U CN2582958Y CN 2582958 Y CN2582958 Y CN 2582958Y CN 03203547 CN03203547 CN 03203547 CN 03203547 U CN03203547 U CN 03203547U CN 2582958 Y CN2582958 Y CN 2582958Y
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- CN
- China
- Prior art keywords
- actuating unit
- main shaft
- crank
- electric car
- brake clamp
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a parallelly connected speed reducer for electric vehicles, which is used for achieving brake and relief for a railway hump marshalling station. The utility model comprises actuating unit, brake clamp groups, a center adjusting support seat, an adjustable spacing block and an elastic element, wherein, link rods of the brake clamp group are connected with the actuating units. The parallelly connected speed reducer can be provided with M (M and the below N are one any integer within one to eight, comprising one and eight) sets of actuating unit, and each set of actuating unit can drive N brake clamp groups, which lowers the number of the actuating units required by the parallelly connected speed reducer and lowers the cost; under the condition that one set of actuating unit drives one brake clamp group, because a speed reducing device is arranged in the actuating unit, the electric power required by each set of actuating unit is fewer, and the total volumetric capacity of electric loads required by the entire station is much fewer, which benefits for the reform of old stations.
Description
Affiliated technical field
The utility model relates to a kind of car retarder, especially is applicable to the car retarder of hump yard marshalling station.
Background technology
At present, the electric car retarder that is used for hump yard marshalling station, it is the disclosed a kind of electronic floating rail gravity type boat davit car retardation device of Chinese patent CN2266546Y, the break motor bearing phenomenon often takes place in this car retarder, do not alleviate phenomenon and happen occasionally yet, simultaneously because required motor power is big, number is many, except the cost height, place, whole station needs electrical load capacity big, influences old station yard modification.
Summary of the invention
The purpose of this utility model is that a kind of new car retarder scheme will be provided, reduce actuating unit quantity, cost-cutting, reduce the electrical load capacity of field, whole station, solve existing electric car retarder off-axis and do not alleviate problem, solve double throw and connecting rod interference problem, solve car retarder at the retarder location instability problem, solve the problem of motor starting under big load, the method for another kind of realization system self-locking is provided.
The purpose of this utility model is to realize like this, M can be arranged in a parallel electric car retarder, and (M is the arbitrary integer between 1 to 8, comprise 1 and 8) the cover actuating unit, every cover actuating unit can drive N, and (N is the arbitrary integer between 1 to 8, comprise 1 and 8) work of individual brake clamp group, and the brake clamp group number of respectively overlapping actuating unit and being driven can be different.This parallel electric car retarder is made up of actuating unit, brake clamp group, adjustable limiting piece, elastic element, described actuating unit is by the motor, cross groove coupler, speed reduction gearing, energy disperser, cross groove coupler, the main shaft that link to each other successively and is fixed on N on the main shaft (N is the arbitrary integer between 1 to 8, comprise 1 and 8) individual crank formation, main shaft is fixed on the aligning bearing.Cross groove coupler can replace with other coupler, also shouldn't.Motor can be that common electric machine also can be a torque motor.When motor speed was lower than 500 rev/mins, the speed reduction gearing behind the motor must can not wanted yet.Described brake clamp group is made up of connecting rod, double throw, front tension bar, middle pull bar, back stay, single throw, rail bearing, inside brake pincers, outer brake clamp, braking rail, wherein connecting rod one end in the brake clamp group is connected with crank in the actuating unit, and the other end is connected with the double throw lower end.When the forward and reverse rotation of the motor in the actuating unit, make the forward and reverse swing of the crank that is fixed on the main shaft by cross groove coupler, speed reduction gearing, energy disperser, cross groove coupler, main shaft, crank drives braking and the alleviation that electric car retarder is finished in the motion of brake clamp group by connecting rod again.
Work as N=1, both had only a crank on the main shaft, and in the actuating unit during without speed reduction gearing, motor in the actuating unit drives the forward and reverse rotation of main shaft by cross groove coupler, energy disperser, cross groove coupler, make the forward and reverse swing of the crank that is fixed on the main shaft, crank drives braking and the alleviation that electric car retarder is finished in the motion of brake clamp group by connecting rod again.Cross groove coupler in the actuating unit can replace with other coupler, also shouldn't.At this moment, two aligning bearings are fixed on the same concrete slab sleeper, so two aligning bearings can be made an integral body, tilting bearing can replace with other bearing.
The utility model has multiple array configuration, the following drawings and embodiment provide is a kind of in the multiple array configuration of the utility model, the parallel electric car retarder of this kind has three cover actuating units, every cover actuating unit drives two brake clamp groups, totally 6 brake clamp groups promptly three are with the parallel electric car retarder of six types.
Description of drawings
Fig. 1 is object lesson in the multiple combination of the utility model, and promptly three with the structural representation of the parallel electric car retarder of six types when the retarder location.
Fig. 2 is object lesson in the multiple combination of the utility model, and promptly three with the structural representation of the parallel electric car retarder of six types when alleviating the position.
Fig. 3 be the parallel electric car retarder of the utility model when retarder location, the fundamental diagram of single throw, double throw, connecting rod, crank, adjustable limiting piece, elastic element.
The specific embodiment
Lift an object lesson below in conjunction with accompanying drawing, promptly three be with the parallel electric car retarder of six types that the utility model is further described.
Shown in Fig. 1 to 2, the parallel electric car retarder that the utility model proposes can (M be the arbitrary integer between 1 to 8 by M, comprise 1 and 8, this routine M=3) the cover actuating unit drives, every cover actuating unit can drive N, and (N is the arbitrary integer between 1 to 8, comprise 1 and 8, this routine N=2) individual brake clamp group work.This parallel electric car retarder is by actuating unit 27, brake clamp group 26, aligning bearing 13, adjustable limiting piece 16, elastic element 18 is formed, wherein said actuating unit 27 is by motor 8, cross groove coupler 9, speed reduction gearing 10, energy disperser 11, cross groove coupler 12, main shaft 17 links to each other successively and is fixed on N on the main shaft (N is the arbitrary integer between 1 to 8, comprise 1 and 8, this routine N=2) individual crank 15 constitutes, described main shaft 17 fixes the two ends of main shaft by the tilting bearing on the aligning bearing 13, described motor 8 can be that common electric machine also can be a torque motor, described cross groove coupler 9,12 can be the coupler of other form, can not want yet, described brake clamp group 26 is by connecting rod 14, double throw 20, front tension bar 21, middle pull bar 24, back stay 25, single throw 23, rail bearing 2, inside brake pincers 7, outer brake clamp 1, braking rail 4 is formed, crank 15 in described connecting rod 14 1 ends and the actuating unit 27 is hinged, the lower end of the other end and double throw 20 is hinged, the lower end and the front tension bar 21 of double throw 20 are hinged simultaneously, front tension bar 21 and middle pull bar 24, back stay 25 is hinged successively, hinge-point is respectively in the lower end of three single throws 23, described rail bearing 2 is lifted on the rail 5, it is hinged with rail bearing 2 by big hinge 3 that described inside brake clamps an end, tail end is pressed in the upper end of single throw 23, described outer brake clamp 1 one ends are hinged on the rail bearing 2 by big hinge 3, one of them is pressed in the upper end of single throw 23 tail end, another is pressed in the upper end of double throw 20, the two pairs of braking rail 4 are separately fixed at two groups of inside/outside brake clamps 7 on two rails, on 1, wherein double throw 20 is hinged on the big bearing 19, and single throw 23 is hinged on the ramuscule seat 22.
Above-mentioned actuating unit 27 owing to adopt between motor 8 and the main shaft 17 is connected indirectly with element splits such as cross groove coupler, main shaft 17 is fixed on the aligning bearing 13, the be fixed aligning bearing 13 of main shaft of the radial thrust that vehicle gravity is passed to main shaft 17 by the brake clamp group is born, make electric machine main shaft only be subjected to moment of torsion, be not subjected to radial thrust, improved the stressed problem of electric machine main shaft, electric machine main shaft is no longer because of being subjected to the diametral load distortion to cause that rotor and stator rub mutually, the output torque of motor no longer reduces because of the friction of rotor and stator, has improved electric car retarder and has not alleviated problem because of what under power caused.Simultaneously owing in actuating unit, added speed reduction gearing, satisfying under the situation of car retarder to the vehicle control accuracy, prolong the braking and the remission time of car retarder, increase the output torque of actuating unit, make a cover actuating unit can drive a plurality of brake clamp groups, both made under a situation with one (N=1), owing to adopted speed reduction gearing, the required electric power of every cover actuating unit is much smaller, and place, whole station needs the total volume of electric load to be much smaller, and helps old station yard modification.
Energy disperser in the above-mentioned actuating unit 27, it can be any type of energy disperser, adopt energy disperser the best of friction type, because the drive end of the energy disperser of friction type and Partner come transfer torque by the friction force between the abrasives, when car retarder in braking or the process alleviated, motor in the actuating unit is passed to the nominal torque of the moment of torsion of energy disperser less than energy disperser by speed reduction gearing, the drive end of energy disperser and Partner can not produce slide relative, the normal delivery moment of torsion, when car retarder in braking or alleviate when putting in place, stopping suddenly of system motion, make internal system produce very big impulsive force, this power is far longer than the nominal torque of energy disperser, the drive end of energy disperser and Partner begin to produce slide relative, therefore the impulsive force that produces of the internal system torque peak that can not can transmit greater than energy disperser greatly reduces the impact of system to electric machine main shaft, thereby has solved the break motor bearing problem.
Between above-mentioned aligning bearing 13 and the main shaft 17 fixedly is to be connected by the tilting bearing on the aligning bearing, if two aligning bearings are not on same concrete slab sleeper (also can be solid bed), when two aligning bearings produce different settling amounts with separately concrete slab sleeper, make two aligning bearings not in same horizontal surface, or two aligning bearings are not parallel when installing, owing to adopted the aligning bearing, so the axial line of the bearing hole of two aligning bearings and the axial line of main shaft can have 3 ° with interior angle, make the axial line of bearing hole of two aligning bearings and the axial line disalignment problem of main shaft thereby solved error that two concrete slab sleepers cause not in same horizontal surface or because of installation.
If above-mentioned brake clamp group is removed a pair of braking rail, one group of inside/outside brake clamp, rail bearing, two single throws, back stay, middle pull bar etc., glancing impact has just formed the parallel electric car retarder of single track stripe shape only to the single wheel braking.
As shown in Figure 1, described parallel electric car retarder braking position be in the actuating unit crank 15 conter clockwises (crank when the release position from the main shaft 17 direction brake clamp prescription be left-hand revolution to rotating, otherwise be clickwise) when rotating, drivening rod 14, promote the lower end of double throw 20, make upper end upwards swing in vertical plane of double throw 20, the front tension bar 21 that links to each other successively with double throw 20 simultaneously, middle pull bar 24, back stay 25 is under the promotion of double throw 20, drive upper end upwards swing in vertical plane of 3 single throws 23, be pressed in list/double throw 23, the inside/outside brake clamp 7 of 20 upper ends, 1, at list/double throw 23, under 20 the promotion, make 4 pairs of wheels of dress braking rail thereon 6 carry out braking, braking force is to utilize the weight that is braked vehicle, transmission by floatable rail and brake clamp, make the braking rail that is installed on the brake clamp produce pressure to the wheel both sides, come car brakeing, therefore, braking force is directly proportional with the weight of vehicle, is gravity vehicle reducer.
As shown in Figure 2, the release position is by the swing of 15 cws of the crank in the actuating unit, promotes list/ double throw 23,20 by connecting rod 14 and falls, and inside/ outside brake clamp 7,1 falls by deadweight, makes the braking rail opening size greater than wheel thickness, allows vehicle freely pass through.Wherein the pendulum angle of crank 15 between braking mode and relieved state increased the rotational angle of crank under underload greater than 180 ° and less than 220 °, makes motor finish starting at underload as far as possible.
As shown in Figure 3: connecting rod 10 adopts the method for designing of two bending, and the lower ends downward bending that it links to each other with double throw 20 has solved the problem that double throw 20 and connecting rod 14 are interfered in motion process, make the double throw configuration design not be subjected to spacial influence.
As shown in Figure 3: when crank 15 moves to retarder location, vehicle gravity is passed to list/ double throw 23,20 by the inside/outside brake clamp pressure Q passes to crank 15 to the moment H that list/double throw produces by back stay 25, middle pull bar 24, front tension bar 21, connecting rod 14, crank 15 is compressed to adjustable limiting piece 16, under the stopping of adjustable limiting piece 16, system is by self-locking.The adjustable limiting piece is made up of the elastomeric material that can play buffer action, and when the adjustable limiting piece was hit at a high speed by crank, the adjustable limiting piece produced elastic deformation, reduces the impulsive force of crank to the adjustable limiting piece; Simultaneously when the self-locking angle θ of crank is improper, can adjust by the bearing cap shim under the increase and decrease adjustable limiting piece, solved by the profile of crank and connecting rod and interfered the non-adjustable problem that realizes system's self-locking, thereby solved because of installing and that Mismachining tolerance causes from the locking angle is excessive or too smallly cause car retarder to be difficult to alleviation or in the retarder location problem of unstable, wherein the size of the self-locking angle θ of crank is between 0 ° to 10 °.
As shown in Figure 3, this utility model has increased the elastic element 18 of a biasing at main shaft one end (other end of main shaft links to each other with energy disperser in the actuating unit), car retarder is when retarder location, main shaft 17 produces a conter clockwise torque under the effect of the elastic force of elastic element, make the crank 15 on the main shaft that the trend that rotates counterclockwise be arranged, thereby crank is close to from trend adjustable limiting piece, realize self-locking crank, the stability of raising system, above-mentioned elastic element adopts spring the best.
The utility model is not limited to the particular case of the specific embodiment in the specification sheets, substantially do not depart under the situation of total inventive concept of the present utility model, the utility model can by technical characterictic described in the specification sheets itself and described technical characterictic cooresponding habitual/technical scheme that common technology means and common practise combination in any form realizes aim of the present utility model.
Claims (11)
1. parallel electric car retarder, comprise actuating unit, the brake clamp group, the aligning bearing, the adjustable limiting piece, elastic element, it is characterized in that: described parallel electric car retarder can have M cover actuating unit, wherein M is more than or equal to 1 and smaller or equal to 8, every cover actuating unit can drive N brake clamp group, wherein N and following N are more than or equal to 1 and smaller or equal to 8, described actuating unit is by the motor that links to each other successively, energy disperser, main shaft and N the crank that is fixed on the main shaft constitute, described aligning bearing fixes the two ends of main shaft in the described actuating unit by the tilting bearing on it, described brake clamp group is by connecting rod, double throw, front tension bar, middle pull bar, back stay, single throw, the rail bearing, the inside brake pincers, outer brake clamp, braking rail is formed, wherein connecting rod one end in the brake clamp group is connected with crank in the actuating unit, the other end is connected with the double throw lower end, described adjustable limiting piece is used for limiting the position of crank when retarder location, and adjust the size of crank self-locking angle by the adjustable limiting piece, described elastic element acts on an end of main shaft, and the other end of main shaft links to each other with energy disperser in the actuating unit.
2. parallel electric car retarder according to claim 1 is characterized in that: can add speed reduction gearing between motor in the described actuating unit and the energy disperser, and between motor and the speed reduction gearing, connect with coupler between energy disperser and the main shaft.
3. parallel electric car retarder according to claim 2 is characterized in that: described coupler can be a cross groove coupler.
4. parallel electric car retarder according to claim 1 is characterized in that: the motor in the described actuating unit can be that common electric machine also can be a torque motor.
5. parallel electric car retarder according to claim 1 is characterized in that: the energy disperser in the described actuating unit, its drive end and Partner come transfer torque by the friction force between the abrasives.
6. parallel electric car retarder according to claim 1, it is characterized in that: described adjustable limiting piece is the position of crank when retarder location that is used for limiting in the described actuating unit, by to locked to the brake clamp group of the locked realization of crank, size to the locked angle of crank is adjusted by the adjustable limiting piece, the locked angle θ of crank is greater than 0 ° and less than 12 °, crank from retarder location to alleviate the position or from alleviate the position to the pendulum angle of retarder location greater than 180 ° and less than 220 °.
7. according to claim 1 or 6 described parallel electric car retarders, it is characterized in that: described adjustable limiting piece is made up of the elastomeric material that can play buffer action.
8. parallel electric car retarder according to claim 1 is characterized in that: the incorgruous bending in two of described connecting rod.
9. parallel electric car retarder according to claim 1, it is characterized in that: described aligning bearing fixes the two ends of main shaft by the tilting bearing on it, is used on the aligning bearing to install between the line of centers of the line of centers in hole of tilting bearing and main shaft allow 3 ° with interior angle.
10. parallel electric car retarder according to claim 1, it is characterized in that: described elastic element is when retarder location, act on an end of main shaft, main shaft is produced a moment of torsion, make the crank that is fixed on the main shaft that the trend that rotates counterclockwise be arranged, crank when the release position from the main shaft direction brake clamp prescription be left-hand revolution to rotating, otherwise be clickwise, wherein the other end of main shaft links to each other with energy disperser in the actuating unit.
11. according to claim 1 or 10 described parallel electric car retarders, it is characterized in that: described elastic element is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03203547 CN2582958Y (en) | 2003-01-13 | 2003-02-17 | Parallel speed reducer for electric vehicle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03201603 | 2003-01-13 | ||
| CN03201603.4 | 2003-01-13 | ||
| CN 03203547 CN2582958Y (en) | 2003-01-13 | 2003-02-17 | Parallel speed reducer for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582958Y true CN2582958Y (en) | 2003-10-29 |
Family
ID=34065180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03203547 Expired - Fee Related CN2582958Y (en) | 2003-01-13 | 2003-02-17 | Parallel speed reducer for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2582958Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892069B (en) * | 2005-05-30 | 2010-11-03 | 丁红卫 | Electric vehicle speed reducer |
| CN103707900A (en) * | 2013-12-17 | 2014-04-09 | 鞍钢集团铁路运输设备制造公司 | Electro-hydraulic braking device of electric locomotive |
| CN106628912A (en) * | 2017-01-19 | 2017-05-10 | 广西曼彻彼斯自动化设备有限公司 | Small rail logistics car driving gear buffering device |
| CN112406944A (en) * | 2019-08-22 | 2021-02-26 | 吕贵刚 | Electric drive unit |
| CN112406943A (en) * | 2019-08-22 | 2021-02-26 | 吕贵刚 | Electric drive unit |
-
2003
- 2003-02-17 CN CN 03203547 patent/CN2582958Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892069B (en) * | 2005-05-30 | 2010-11-03 | 丁红卫 | Electric vehicle speed reducer |
| CN103707900A (en) * | 2013-12-17 | 2014-04-09 | 鞍钢集团铁路运输设备制造公司 | Electro-hydraulic braking device of electric locomotive |
| CN106628912A (en) * | 2017-01-19 | 2017-05-10 | 广西曼彻彼斯自动化设备有限公司 | Small rail logistics car driving gear buffering device |
| CN112406944A (en) * | 2019-08-22 | 2021-02-26 | 吕贵刚 | Electric drive unit |
| CN112406943A (en) * | 2019-08-22 | 2021-02-26 | 吕贵刚 | Electric drive unit |
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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 |