CN204077647U - Hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device - Google Patents
Hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device Download PDFInfo
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- CN204077647U CN204077647U CN201420530964.2U CN201420530964U CN204077647U CN 204077647 U CN204077647 U CN 204077647U CN 201420530964 U CN201420530964 U CN 201420530964U CN 204077647 U CN204077647 U CN 204077647U
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Abstract
The utility model discloses a kind of hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device, it comprises planetary gear train, friction brake, motor and hydrodynamic retarder, planetary gear train comprises pinion carrier, sun wheel, gear ring and multiple planetary wheel, planetary wheel is arranged between sun wheel and gear ring, and be meshed with sun wheel and gear ring respectively, gear ring is fixedly connected with wheel hub, planetary wheel is also arranged in pinion carrier, pinion carrier is in fixing shape, friction brake comprises braking clamp body, friction shoe group and brake disc, brake disc is fixedly connected with wheel hub, friction shoe group is arranged on braking clamp body, and it matches with brake disc, hydrodynamic retarder has driving wheel, fixed wheel and housing, fixed wheel is fixedly connected with housing, one end of the S. A. of motor is connected with driving wheel by magnetic clutch, the other end of the S. A. of motor is fixedly connected with sun wheel.The utility model not only combines the function of friction brake, motor regenerative brake and hydrodynamic retarder, and the sky can eliminating hydrodynamic retarder damages energy consumption.
Description
Technical field
The utility model relates to a kind of hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device, belongs to vehicle brake technology field.
Background technology
At present, hub motor type load-carrying vehicle long-time continuous braking, high strength braking or when frequently braking, brake disc or break drum temperature can significantly raise, such that friction factor declines, degree of wear increases the weight of, and occur brake efficiency the part even dangerous heat fade phenomenon of total loss.Although the application of anti-blocking brake system (ABS), EBD (Electric Brakeforce Distribution) (EBD) etc. improves stability and the reliability of car brakeing, they are very micro-to the heat fade phenomenon effect of drg.At present, the passenger vehicle of the many countries comprising China more than clear stipulaties certain specification, bogie must install complemental brake system, the load of effective Split flow brake device, improve car brakeing safety performance.Retarder is one of auxiliary brake of vehicle, mainly contains hydrodynamic retarder and current vortex retarder two kinds.
Hydrodynamic retarder, also referred to as hydrodynamic retarder, be generally installed on before change-speed box or, inside is provided with driving wheel and fixed wheel below, driving wheel is connected with hydrodynamic retarder input shaft, and fixed wheel is connected with hydrodynamic retarder housing.Input shaft or output shaft drive hydrodynamic retarder input shaft to rotate, a certain amount of fluid is filled with as requested in epitrochoidal chamber during work, driving wheel drives fluid to rotate impact fixed wheel, a part of vehicle braking energy is changed into the heat energy of fluid, dissipated by cooling heat radiation system, realize the object of vehicle retarder brake, raising heat resistanceheat resistant decline performance.But the retarder brake moment that this hydrodynamic retarder acts on each wheel can not independently regulate, and need oil to-water heat exchanger and the connecting tube with engine-cooling system thereof, volume be comparatively large, high expensive, assembling relative difficulty.Because hub motor type load-carrying vehicle eliminates driving system and the driving engine of traditional load-carrying vehicle, therefore above-mentioned hydrodynamic retarder is not suitable for hub motor type load-carrying vehicle.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device is provided, it not only combines friction brake, the function of motor regenerative brake and hydrodynamic retarder, by coordinating friction brake, generator and hydrodynamic retarder work again, can at guarantee insensitivity, under the prerequisite of traveling comfort, make full use of regeneration motor and reclaim braking energy, open hydrodynamic retarder Split flow brake load if desired, reduce friction brake wearing and tearing, prevent heat fade phenomenon from occurring, and the sky can eliminating hydrodynamic retarder damages energy consumption.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device, it comprises planetary gear train, friction brake, motor and hydrodynamic retarder, planetary gear train comprises pinion carrier, sun wheel, gear ring and multiple planetary wheel, planetary wheel is arranged between sun wheel and gear ring, and be meshed with sun wheel and gear ring respectively, gear ring is fixedly connected with wheel hub, planetary wheel is also arranged in pinion carrier, pinion carrier is in fixing shape, friction brake comprises braking clamp body, friction shoe group and brake disc, brake disc is fixedly connected with wheel hub, friction shoe group is arranged on braking clamp body, and when it matches with brake disc and makes braking clamp body action with convenient car brakeing, friction shoe group is pressed to brake disc and produces friction brake force obstruction hub rotation by braking clamp body, hydrodynamic retarder has driving wheel, fixed wheel and housing, slow epitrochoidal chamber is provided with in housing, housing, electric machine casing and braking clamp body are fixedly connected sequentially, fixed wheel and driving wheel are all arranged in slow epitrochoidal chamber, and fixed wheel is fixedly connected with housing, one end of the S. A. of motor is connected with driving wheel by magnetic clutch, the other end of the S. A. of motor is fixedly connected with sun wheel, magnetic clutch to be arranged between driving wheel and the S. A. of motor so that by the joint of magnetic clutch or be separated the synchronous axial system of the S. A. ordering about driving wheel and motor or relatively rotate.
Further in order to realize cooling to cooling media in hydrodynamic retarder and heat radiation, described hydrodynamic retarder also has cooling heat radiation system, described hydrodynamic retarder also has cooling heat radiation system, this cooling heat radiation system comprises pump, inlet pipeline, outlet conduit and radiator, the outlet of slow epitrochoidal chamber, outlet conduit, radiator, inlet pipeline and the import of slow epitrochoidal chamber are connected formation one cooling media circulation loop successively, the S. A. of described pump is fixedly connected with driving wheel, and the pressure portion of pump is connected to pump work when engaging with convenient magnetic clutch in cooling media circulation loop drives the cooling media in cooling media loop to flow.
Further in order to the aqueous vapor in cooling media circulation loop can be collected, meet the requirement to cooling media liquid measure when hydrodynamic retarder works simultaneously, cooling media loop is connected with compensation medium case.
Further in order to the filling amount of hydrodynamic retarder can be regulated, and then control the retarder brake torque of hydrodynamic retarder, cooling heat radiation system also comprises the inlet throttle control cock controlling refrigerant fluid circulation in inlet pipeline and the outlet throttling control cock controlling refrigerant fluid circulation in outlet conduit, described inlet throttle control cock is connected on inlet pipeline, and described outlet throttling control cock is connected on outlet conduit.
Further provide the concrete structure of a kind of inlet throttle control cock and/or outlet throttling control cock, inlet throttle control cock and/or outlet throttling control cock comprise drive motor, spool and screw body and have the valve body of circulation passage, drive motor is flexibly connected with spool by screw body, and spool is positioned at circulation passage and is moved at circulation passage by driving drive motor band movable valve plug thus changed the flow area size of circulation passage.
Further in order to strengthen the heat-sinking capability of radiator, cooling heat radiation system also comprises temperature sensor and cooling fan, temperature sensor is arranged on the temperature of exit for use in induction cooling media of slow epitrochoidal chamber, the air outlet of cooling fan is just to radiator, and cooling fan and temperature sensor match and then to open cooling fan work when exceeding threshold value with convenient coolant temperature and when coolant temperature makes closedown cooling fan lower than threshold value.
Further provide a kind of concrete structure of magnetic clutch, described magnetic clutch comprises magnetic conductive disk, magnetic, magnetic room and can the exciting coil of external source, magnetic conductive disk is solidly set on the S. A. of motor, exciting coil is arranged on position corresponding with magnetic conductive disk on driving wheel, magnetic is distributed in magnetic indoor, and magnetic room is between exciting coil and magnetic conductive disk.
Further, described exciting coil is connected with external power supply by electric devices, and this electric devices comprises slip ring, carbon brush and relay, and exciting coil, slip ring, carbon brush and relay are connected with external power supply after being electrically connected mutually successively.
After have employed technique scheme, the utility model has following beneficial effect:
1, the utility model is integrated with friction brake, hydrodynamic retarder and motor regenerative braking capability, compact conformation, and each wheel hub is all installed this device, the retarder brake moment of each wheel hub can independently regulate, and is applicable to special quality Integrating controls strategies between three;
2, the utility model adopts independent cooling system, utilize radiator heat-dissipation, radiator can be installed on vehicle bottom, utilize vehicle bottom air flow radiating heat, eliminate oil to-water heat exchanger, do not rely on traditional engine cooling system, there is the advantages such as structure is simple, arrangement convenience, good heat dissipation effect;
3, the utility model by controlling the access of magnetic clutch and separating, thus can eliminate the sky damage energy consumption of hydrodynamic retarder effectively, provides effective retarder brake function;
4, pump of the present utility model is driven by wheel, can utilize vehicle braking energy further;
5, the utility model does not rely on the driving system of traditional load-carrying vehicle, is suitable for hub motor type load-carrying vehicle.
6, the utility model is by controlling outlet throttling control cock and inlet throttle control cock, thus controls the circulation of outlet conduit and inlet pipeline respectively, thus provides vehicle retarder brake moment effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device of the present utility model;
Fig. 2 is the structural representation of magnetic clutch of the present utility model;
Fig. 3 is the structural representation of inlet throttle control cock of the present utility model and outlet throttling control cock;
Fig. 4 is the schematic top plan view of the radiator of hydrodynamic retarder of the present utility model.
Detailed description of the invention
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
As shown in Fig. 1 ~ 4, a kind of hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device, it comprises planetary gear train, friction brake, motor 21 and hydrodynamic retarder, planetary gear train comprises pinion carrier 3, sun wheel 4, gear ring 22 and multiple planetary wheel 5, planetary wheel 5 is arranged between sun wheel 4 and gear ring 22, and be meshed with sun wheel 4 and gear ring 22 respectively, gear ring 22 is fixedly connected with wheel hub 1, planetary wheel 5 is also arranged in pinion carrier 3, pinion carrier 3 is in fixing shape, friction brake comprises braking clamp body 7, friction shoe group 8 and brake disc 6, brake disc 6 is fixedly connected with wheel hub 1, friction shoe group 8 is arranged on braking clamp body 7, and when it matches with brake disc 6 and makes braking clamp body 7 action with convenient car brakeing, braking clamp body 7 friction shoe group 8 is pressed to brake disc 6 produce friction brake force hinder wheel hub 1 rotate, hydrodynamic retarder has driving wheel 11, fixed wheel 10 and housing, slow epitrochoidal chamber is provided with in housing, housing, electric machine casing and braking clamp body 7 are fixedly connected sequentially, fixed wheel 10 and driving wheel 11 are all arranged in slow epitrochoidal chamber, and fixed wheel 10 is fixedly connected with housing, one end of the S. A. 9 of motor 21 is connected with driving wheel 11 by magnetic clutch 20, the other end of the S. A. 9 of motor 21 is fixedly connected with sun wheel 4, magnetic clutch 20 to be arranged between driving wheel 11 and the S. A. 9 of motor 21 so that by the joint of magnetic clutch 20 or be separated the synchronous axial system of the S. A. 9 ordering about driving wheel 11 and motor 21 or relatively rotate.When motor 21 obtains electric work, pinion carrier 3 is fixed, and S. A. 9 drives gear ring by sun wheel 4 and the wheel 2 be fixed on wheel hub 1 rotates, and drives running car; During car brakeing, wheel 2 is rotated generating, recovery section braking energy by wheel hub 1, gear ring, sun wheel 4 drive motor 21 S. A. 9, and is produced certain lock torque.When needs hydrodynamic retarder works, magnetic clutch 20 adhesive, the S. A. 9 of motor 21 drives driving wheel 11 to rotate, and produces retarder brake moment; When not needing hydrodynamic retarder to work, magnetic clutch 20 is separated, and between the S. A. 9 of motor 21 and driving wheel 11, transmission of power disconnects, and driving wheel 11 does not rotate, and the sky can eliminating hydrodynamic retarder damages energy consumption.
As shown in Figure 1, hydrodynamic retarder also has cooling heat radiation system, this cooling heat radiation system comprises pump 12, inlet pipeline, outlet conduit and radiator 16, the outlet of slow epitrochoidal chamber, outlet conduit, radiator 16, inlet pipeline and the import of slow epitrochoidal chamber are connected formation one cooling media circulation loop successively, the S. A. of pump 12 is fixedly connected with driving wheel 11, and the pressure portion of pump 12 is connected to the cooling media flowing that pump 12 when engaging with convenient magnetic clutch 20 in cooling media circulation loop works in drive cooling media loop.As shown in Figure 1, cooling media loop is connected with compensation medium case 14.As shown in Figure 1, cooling heat radiation system also comprises temperature sensor 19 and cooling fan 15, temperature sensor 19 is arranged on the temperature of exit for use in induction cooling media of slow epitrochoidal chamber, the air outlet of cooling fan 15 is just to radiator 16, and cooling fan 15 and temperature sensor 19 match and then to open cooling fan 15 when exceeding threshold value with convenient coolant temperature and work and work as coolant temperature and make closedown cooling fan 15 lower than threshold value.If oil liquid temperature reaches the higher limit of permission, then control unit restriction hydrodynamic retarder work, and remind chaufeur to note by warning indicator lamp or the sound.Compensation medium case 14 is installed on the below of vehicle tail, and comparatively radiator 16 grade is slightly high in position.Cooling fan 15, radiator 16 and louver 17 connect as one, and are installed on the below of vehicle rear-side, are basically parallel to ground.When hydrodynamic retarder does not work, louver 17 is closed, and reduces air resistance; During hydrodynamic retarder work, louver 17 is opened, and vehicle bottom air flows through radiator 16 and takes away cooling media heat, if coolant temperature is still higher, then can starts cooling fan 15 and carry out forced heat radiation.Pump 12 housing is fixedly connected with the housing of hydrodynamic retarder, and its S. A. is fixedly connected with driving wheel 11, and when magnetic clutch 20 engages, pump 12 S. A. flower wheel 11 rotates together, is pressed into by fluid in hydrodynamic retarder epitrochoidal chamber.
As shown in Figure 1, cooling heat radiation system also comprises the inlet throttle control cock 13 controlling refrigerant fluid circulation in inlet pipeline and the outlet throttling control cock 18 controlling refrigerant fluid circulation in outlet conduit, inlet throttle control cock 13 is connected on inlet pipeline, and outlet throttling control cock 18 is connected on outlet conduit.As shown in Figure 3, inlet throttle control cock 13 and/or outlet throttling control cock 18 comprise drive motor 13-2, spool 13-3 and screw body and have the valve body 13-1 of circulation passage, drive motor 13-2 is flexibly connected with spool 13-3 by screw body, and spool 13-3 is positioned at circulation passage and is with movable valve plug 13-3 move at circulation passage thus change the flow area size of circulation passage by driving drive motor 13-2.Control unit controls drive motor 13-2 as required and rotates, and is the rectilinear movement of spool 13-3 by screw body by the converting rotary motion of drive motor 13-2, and the flow area of throttling control valve is changed.Inlet throttle control cock 13 exports with radiator 16 and is connected, and cooling media enters slow epitrochoidal chamber by it; Outlet throttling control cock 18 is connected with radiator 16 entrance, and the fluid after energy-absorbing heats up enters radiator 16 by it.If inlet throttle control cock 13 flow area is large, outlet throttling control cock 18 flow area is little, then the liquid filled ratio of hydrodynamic retarder is high, and lock torque is large; If inlet throttle control cock 13 flow area is little, outlet throttling control cock 18 flow area large, then the liquid filled ratio of hydrodynamic retarder is low, and lock torque is little.
As shown in Figure 2, magnetic clutch 20 comprises magnetic conductive disk 20-6, magnetic 20-2, magnetic room and can the exciting coil 20-3 of external source, magnetic conductive disk 20-6 is solidly set on the S. A. of motor 13-2, exciting coil 20-3 is arranged on position corresponding with magnetic conductive disk 20-6 on driving wheel 11, magnetic 20-2 is distributed in magnetic indoor, and magnetic room is between exciting coil 20-3 and magnetic conductive disk 20-6.Exciting coil 20-3 is connected with external power supply by electric devices, and this electric devices comprises slip ring, carbon brush 20-1 and relay, and exciting coil, slip ring, carbon brush 20-1 and relay are connected with external power supply after being electrically connected mutually successively.Field winding 20-3 is installed in driving wheel housing 20-4, is connected with power supply by carbon brush 20-1, slip ring, relay, produces magnetic field around after obtaining power supply.Driving wheel 11 is connected with electric machine rotational axis 9 by antifriction-bearing box 20-5, both field winding 20-3 do not have electric current by time can freely rotate.Magnetic 20-2 is can magnetized 30 ~ 50 μm of steel fine-particle powders, field winding 20-3 do not have electric current by time, magnetic 20-2 is not subject to magnetic fields, and loosely is distributed in magnetic indoor, magnetic clutch 20 is released state, and now the S. A. 9 of motor 21 can freely rotate with driving wheel 11; When field winding 20-3 has electric current to pass through, magnetic 20-2 is rapid solidification under magnetic fields, holds up in chain by " loose " state, in magnetic field, form " solid magnetic linkage ", magnetic clutch 20 is engagement state, S. A. 9 and the driving wheel 11 of motor 21 is connected as one.Magnetic conductive disk 20-6 is connected with the S. A. 9 of motor 21 by spline, along with the S. A. 9 of motor 21 rotates together.When hydrodynamic retarder does not work, magnetic clutch 20 is separated, and the S. A. 9 of motor 21 can not drive driving wheel 11 to rotate, and the sky can eliminating hydrodynamic retarder damages energy consumption; During hydrodynamic retarder work, magnetic clutch 20 engages, and the S. A. 9 of motor 21 drives driving wheel 11 to rotate, and realizes vehicle retarder brake function.
Above-described specific embodiment; technical matters, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device, it is characterized in that: it comprises planetary gear train, friction brake, motor (21) and hydrodynamic retarder, planetary gear train comprises pinion carrier (3), sun wheel (4), gear ring (22) and multiple planetary wheel (5), planetary wheel (5) is arranged between sun wheel (4) and gear ring (22), and be meshed with sun wheel (4) and gear ring (22) respectively, gear ring (22) is fixedly connected with wheel hub (1), planetary wheel (5) is also arranged in pinion carrier (3), pinion carrier (3) is in fixing shape, friction brake comprises braking clamp body (7), friction shoe group (8) and brake disc (6), brake disc (6) is fixedly connected with wheel hub (1), friction shoe group (8) is arranged on braking clamp body (7), and when it matches with brake disc (6) and makes braking clamp body (7) action with convenient car brakeing, friction shoe group (8) is pressed to brake disc (6) and produces friction brake force obstruction wheel hub (1) rotation by braking clamp body (7), hydrodynamic retarder has driving wheel (11), fixed wheel (10) and housing, slow epitrochoidal chamber is provided with in housing, housing, electric machine casing and braking clamp body (7) are fixedly connected sequentially, fixed wheel (10) and driving wheel (11) are all arranged in slow epitrochoidal chamber, and fixed wheel (10) is fixedly connected with housing, one end of the S. A. (9) of motor (21) is connected with driving wheel (11) by magnetic clutch (20), the other end of the S. A. (9) of motor (21) is fixedly connected with sun wheel (4), magnetic clutch (20) is arranged between driving wheel (11) and the S. A. (9) of motor (21) to pass through the joint of magnetic clutch (20) or be separated the synchronous axial system of the S. A. (9) ordering about driving wheel (11) and motor (21) or relatively rotate.
2. hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to claim 1, it is characterized in that: described hydrodynamic retarder also has cooling heat radiation system, this cooling heat radiation system comprises pump (12), inlet pipeline, outlet conduit and radiator (16), the outlet of slow epitrochoidal chamber, outlet conduit, radiator (16), inlet pipeline and the import of slow epitrochoidal chamber are connected formation one cooling media circulation loop successively, the S. A. of described pump (12) is fixedly connected with driving wheel (11), and the pressure portion of pump (12) is connected to pump (12) work when engaging with convenient magnetic clutch (20) in cooling media circulation loop drives the cooling media in cooling media loop to flow.
3. hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to claim 2, is characterized in that: cooling media loop is connected with compensation medium case (14).
4. the hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to Claims 2 or 3, it is characterized in that: cooling heat radiation system also comprises the inlet throttle control cock (13) controlling refrigerant fluid circulation in inlet pipeline and the outlet throttling control cock (18) controlling refrigerant fluid circulation in outlet conduit, described inlet throttle control cock (13) is connected on inlet pipeline, and described outlet throttling control cock (18) is connected on outlet conduit.
5. hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to claim 4, it is characterized in that: inlet throttle control cock (13) and/or outlet throttling control cock (18) comprise drive motor (13-2), spool (13-3) and screw body and have the valve body (13-1) of circulation passage, drive motor (13-2) is flexibly connected with spool (13-3) by screw body, spool (13-3) is positioned at circulation passage and by driving drive motor (13-2) to move at circulation passage with movable valve plug (13-3) thus changing the flow area size of circulation passage.
6. the hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to Claims 2 or 3, it is characterized in that: cooling heat radiation system also comprises temperature sensor (19) and cooling fan (15), temperature sensor (19) is arranged on the temperature of exit for use in induction cooling media of slow epitrochoidal chamber, the air outlet of cooling fan (15) is just to radiator (16), and cooling fan (15) and temperature sensor (19) match and then to open cooling fan (15) work when exceeding threshold value with convenient coolant temperature and when coolant temperature makes closedown cooling fan (15) lower than threshold value.
7. the hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to claim 1 or 2 or 3, it is characterized in that: described magnetic clutch (20) comprises magnetic conductive disk (20-6), magnetic (20-2), magnetic room and can the exciting coil (20-3) of external source, magnetic conductive disk (20-6) is solidly set on the S. A. of motor (13-2), exciting coil (20-3) is arranged on the upper position corresponding with magnetic conductive disk (20-6) of driving wheel (11), magnetic (20-2) is distributed in magnetic indoor, and magnetic room is positioned between exciting coil (20-3) and magnetic conductive disk (20-6).
8. hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device according to claim 7, it is characterized in that: described exciting coil (20-3) is connected with external power supply by electric devices, this electric devices comprises slip ring, carbon brush (20-1) and relay, and exciting coil, slip ring, carbon brush (20-1) and relay are connected with external power supply after being electrically connected mutually successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530964.2U CN204077647U (en) | 2014-09-16 | 2014-09-16 | Hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530964.2U CN204077647U (en) | 2014-09-16 | 2014-09-16 | Hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device |
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| CN204077647U true CN204077647U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530964.2U Withdrawn - After Issue CN204077647U (en) | 2014-09-16 | 2014-09-16 | Hub motor type load-carrying vehicle mechanical electronic hydraulic composite brakig device |
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| CN (1) | CN204077647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192113A (en) * | 2014-09-16 | 2014-12-10 | 江苏理工学院 | Mechanical, electric and hydraulic compound brake apparatus of hub motor type load-carrying vehicle |
| CN104669998A (en) * | 2015-03-16 | 2015-06-03 | 山东交通学院 | Hybrid electric vehicle based on hydraulic retarder and control method thereof |
-
2014
- 2014-09-16 CN CN201420530964.2U patent/CN204077647U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192113A (en) * | 2014-09-16 | 2014-12-10 | 江苏理工学院 | Mechanical, electric and hydraulic compound brake apparatus of hub motor type load-carrying vehicle |
| CN104669998A (en) * | 2015-03-16 | 2015-06-03 | 山东交通学院 | Hybrid electric vehicle based on hydraulic retarder and control method thereof |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160914 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160914 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |