CN204821148U - Driving bevel gear system of electro-hydraulic hybrid driving main reducer - Google Patents
Driving bevel gear system of electro-hydraulic hybrid driving main reducer Download PDFInfo
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- CN204821148U CN204821148U CN201520569230.XU CN201520569230U CN204821148U CN 204821148 U CN204821148 U CN 204821148U CN 201520569230 U CN201520569230 U CN 201520569230U CN 204821148 U CN204821148 U CN 204821148U
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- bevel gear
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- gear
- drive bevel
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- 239000003638 chemical reducing agent Substances 0.000 title abstract 3
- 239000011324 bead Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 description 14
- 230000001133 acceleration Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A main structure of the main bevel gear system of an electro-hydraulic hybrid drive main reducer comprises a driving bevel gear, a pump/motor electromagnetic clutch, a variable pump/motor, a transmission and a motor, wherein the driving bevel gear is connected with a synchronous gear. The driving bevel gear is supported on the bearing seat through a left conical roller bearing and a right conical roller bearing, and the pump/motor gear is externally meshed with the synchronous gear and is connected with the variable pump/motor through a pump/motor electromagnetic clutch. When the vehicle is braked, the inertia energy of the vehicle is changed into hydraulic energy to be stored in the energy storage device; when the vehicle is started, accelerated or under a large-load working condition, the energy accumulator releases hydraulic energy, and the power-assisted motor drives the driving bevel gear to realize the advancing of the vehicle. The utility model discloses the technique inheritance is good, and compact structure can improve main reducer drive bevel gear's the atress condition, has realized energy recuperation and has recycled, can reduce about motor loading power 30%.
Description
Technical field
The utility model relates to a kind of electric liquid combination drive main reduction gear active conical tooth wheel system.
Background technology
During electric vehicle brake, drg applies lock torque by the retaining element on axletree to rotating element, and rotating element spin velocity is reduced, reach deceleration object, retaining element and rotating element rub and produce a large amount of heat energy in the process, cause energy dissipation, and damage drg.At present, carried out appreciiable research to the braking energy recycling system of electronlmobil both at home and abroad, achieved progress more significantly, many products are practical application also.The braking energy of recovery is transformed into power storage and recycles in storage battery by traditional electric vehicle brake energy recovery system usually, and it is generally about 20% to the percent recovery of braking energy; Motor is according to the apolegamy of vehicle peak load situation in addition, and entrucking power is large, volume is large, cost is high; Drive bevel gear application force is huge, and the backup bearing life-span is low.
The electric liquid combination drive main reduction gear active conical tooth wheel system that the utility model relates to has braking energy equally and recycles function,: this system connects with main reduction gear drive bevel gear driven by the synchronizer gear in drive bevel gear with the traditional essential distinction of braking energy recovery system in structure function.After this system entrucking, during car brakeing, pump/motor is made pump and is used, and braking energy is recovered to accumulator with the form of hydraulic energy, and ABS system (anti-skid brake system) collaborative work now on motor, pump/motor and vehicle ensures braking safety; Vehicle launch, acceleration and climbing time, pump/motor do motor use, accumulator output hydraulic pressure energy, with meet automobile high load working condition use.The energy recovery utilizing system that the utility model relates to is changed little to vehicle original design, is easy to industrialization.The utility model can improve the stressing conditions of main reduction gear drive bevel gear and backup bearing thereof; Motor entrucking power can be reduced and estimate about 30%; Brake energy recovery degree of utilization estimates more than 70%; And effectively can improve the force-bearing situation of drive bevel gear.
Relating to car brakeing, to recycle the patent of aspect very many, braking energy is respectively with electric energy, hydraulic energy or mechanical energy form are recycled, as patent " parallel hydraulic electronlmobil regenerative braking energy reclaiming system (application number 201220669042.0) ", its braking energy recovery system is connected in the output shaft of mechanical drive, and have flywheel and hydraulic pressure two kinds of braking energy regenerative apparatuss, have and drive electronlmobil to accelerate and braking energy recovery function, electronlmobil is driven to accelerate and braking energy recovery function although this patent has, but its structure is comparatively complicated, and it is not high enough to have flywheel energy storage energy density, the shortcoming that self-discharge rate is high, certain structural principle greatly differs from each other with the utility model especially.Structurally close or relevant to the utility model patent is patent " Recovering Waste Energy of Braking in Automobiles, storage, second traction utilize device (application number 200810074349.4) ", its technical characteristics installs possibility of reversal dynamical element in the rear end of main reduction gear basin tooth, as Hydraulic Pump, DC motor etc., and reclaim, store braking energy, when traction working condition, this energy is discharged in time; When concrete enforcement, in main reduction gear, increase a drive bevel gear again engage with basin tooth, drive braking energy recycling system.It is compared with the utility model " electric liquid combination drive main reduction gear active conical tooth wheel system ", structural principle is obviously different, not directly draw or input power from original drive bevel gear, and be the increase in a drive bevel gear and support connection element accordingly, cause structure relative loose; Rear axle housing body is changed comparatively large, technology inheritance and continuity bad, be unfavorable for industrialization; The force-bearing situation of former drive bevel gear does not also improve.
Summary of the invention
The purpose of this utility model is the defect overcoming existing vehicle power transmission and the existence of braking energy recovery and utilization technology, seeks to design a kind of electric liquid combination drive main reduction gear active conical tooth wheel system.When car brakeing, by main reduction gear active conical tooth wheel drive pump/motor, vehicle inertia energy is reclaimed storage with the form of hydraulic energy; At vehicle launch, acceleration or severe duty release hydraulic energy, by pump/motor power-assisted drive bevel gear, collaborative motor-driven vehicle is advanced; Under vehicle underloading or small load condition, drive drive bevel gear to complete vehicle primarily of motor and advance, reach automobile energy-saving emission reduction effect.
Electric liquid combination drive main reduction gear active conical tooth wheel system described in the utility model, its agent structure comprises drive bevel gear, pump/motor gear, pump/motor magnetic clutch, pump/motor, change-speed box, motor, at left tapered roller bearing, between right tapered roller bearing, drive bevel gear connects synchronizer gear, synchronizer gear is mounted on the axle of drive bevel gear by key, or be directly made of one with it, be mainly used in carry-over moment, moment in main reduction gear drive bevel gear can be passed to pump/motor gear, also the moment of pump/motor gear can be passed to the drive bevel gear of main reduction gear, described pump/motor gear and synchronizer gear external toothing, and connected with pump/motor by pump/motor magnetic clutch, two mouth one end of pump/motor connect with fuel tank, and one end is connected with accumulator by electromagnetic switch valve, described drive bevel gear is supported on bearing seat by left tapered roller bearing, right tapered roller bearing, can rotate around oneself axis.In drive bevel gear, overlap successively on the left side of left tapered roller bearing and have pad, bead, back-up ring and clamp nut, clamp nut is connected with drive bevel gear by screw thread, and back-up ring and pad light are enclosed within the axle of drive bevel gear, and bead is connected with drive bevel gear by spline.Transmission input is connected with motor by motor electromagnetic power-transfer clutch, and mouth is connected by motor flange and bead; Dust boot is fixedly mounted in bead, crosses therebetween and wins connection; Between bead and seal ring flange, seal ring is housed, prevents lubricating oil in main reduction gear from leaking outside; Seal ring flange is bolted on bearing seat, has gasket seal between seal ring flange and bearing seat, prevents lubricating oil in main reduction gear from leaking outside.
When car brakeing, the energising of pump/motor magnetic clutch combines, electromagnetic switch valve energising is opened, pump/motor is made pump and is used, braking force is from drive bevel gear, drive pump/motor to rotate through synchronizer gear, pump/motor gear, pump/motor magnetic clutch, braking energy is stored in accumulator with the form of hydraulic energy.When pump/motor magnetic clutch power-off after end of braking is separated, disconnection pump/motor connects with pump/motor gear; Electromagnetic switch valve power-off restoration simultaneously, closes the liquid passage between accumulator and pump/motor, prevents accumulator energy to run off, realize the recovery of braking energy.When vehicle launch, acceleration or large load operation time, electric machine rotation, the energising of motor electromagnetic power-transfer clutch combines, and motor power, after change-speed box, drives drive bevel gear by motor flange and bead; But now can preferentially use the hydraulic energy be stored in accumulator, namely the energising of pump/motor magnetic clutch combines, electromagnetic switch valve is energized connection, liquid in accumulator drives pump/motor (pump/motor is made motor and used) Driving Torque, the torque that pump/motor exports is delivered to pump/motor gear through pump/motor magnetic clutch, through synchronizer gear by transmission of torque to drive bevel gear, the torque exported with motor jointly drives vehicle to complete vehicle launch, acceleration or high load working condition and runs.When vehicle underloading is advanced, motor individual drive drive bevel gear, does not need hydraulic power assistive drive, and namely the energising of motor electromagnetic power-transfer clutch combines, and motor power, after change-speed box, drives drive bevel gear by motor flange and bead.
The utility model is when main reduction gear is changed less, achieve electric liquid multi-power driven vehicle and Brake energy recovery utilization, effectively improve the discontinuity equalization situation of main reduction gear driving tapered gear shaft, motor installed power about 30% can be reduced, braking energy recovery utilization rate about 70%, whole system compact conformation, technology inheritance is good, is convenient to industrialization.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model electricity liquid combination drive main reduction gear active conical tooth wheel system assembly drowing.
Number in the figure: drive bevel gear 1, bearing seat 2, pump/motor gear 3, pump/motor magnetic clutch 4, pump/motor 5, accumulator 6, electromagnetic switch valve 7, fuel tank 8, motor flange 9, change-speed box 10, motor electromagnetic power-transfer clutch 11, motor 12, clamp nut 13, back-up ring 14, bead 15, dust boot 16, seal ring 17, seal ring flange 18, gasket seal 19, left tapered roller bearing 20, synchronizer gear 21, right tapered roller bearing 22, pad 23.
Detailed description of the invention
Preferred implementation of the present utility model is described in detail below in conjunction with accompanying drawing.
The present embodiment agent structure comprises drive bevel gear 1, pump/motor gear 3, pump/motor magnetic clutch 4, pump/motor 5, change-speed box 10, motor 12, described drive bevel gear 1 is supported on bearing seat 2 by left tapered roller bearing 20, right tapered roller bearing 22, can rotate around oneself axis; Between left tapered roller bearing 20, right tapered roller bearing 22, drive bevel gear 1 is equipped with synchronizer gear 21, described synchronizer gear 21 is mounted on by key on the axle of drive bevel gear 1, or be directly made of one with it, be mainly used in carry-over moment, moment in main reduction gear drive bevel gear 1 can be passed to pump/motor gear 3, also the moment of pump/motor gear 3 can be passed to the drive bevel gear 1 of main reduction gear; In drive bevel gear 1, overlap successively on the left side of left tapered roller bearing 20 and have pad 23, bead 15, back-up ring 14 and clamp nut 13, clamp nut 13 is connected with drive bevel gear 1 by screw thread, back-up ring 14 and pad 23 light are enclosed within the axle of drive bevel gear 1, and bead 15 is connected with drive bevel gear 1 by spline; Described pump/motor gear 3 and synchronizer gear 21 external toothing, and connected with pump/motor 5 by pump/motor magnetic clutch 4; Two mouth one end of pump/motor 5 connect with fuel tank 8, and one end is connected with accumulator 6 by electromagnetic switch valve 7; Change-speed box 10 input end is connected with motor 12 by motor electromagnetic power-transfer clutch 11, and mouth is connected by motor flange 9 and bead 15; Dust boot 16 is fixedly mounted in bead 15, crosses therebetween and wins connection; Seal ring 17 is housed between bead 15 and seal ring flange 18, prevents lubricating oil in main reduction gear from leaking outside; Seal ring flange 18 is bolted on bearing seat 2, has gasket seal 19 between seal ring flange 18 and bearing seat 2, prevents lubricating oil in main reduction gear from leaking outside.
When car brakeing, pump/motor magnetic clutch 4 energising combines, electromagnetic switch valve 7 energising is opened, pump/motor 5 is made pump and is used, braking force is from drive bevel gear 1, drive pump/motor 5 to rotate through synchronizer gear 21, pump/motor gear 3, pump/motor magnetic clutch 4, braking energy is stored in accumulator 6 with the form of hydraulic energy.When pump/motor magnetic clutch 4 power-off after end of braking is separated, disconnection pump/motor 5 connects with pump/motor gear 3; Electromagnetic switch valve 7 power-off restoration simultaneously, closes the liquid passage between accumulator 6 and pump/motor 5, prevents accumulator 6 energy to run off, realize the recovery of braking energy.When vehicle launch, acceleration or large load operation time, motor 12 rotates, motor electromagnetic power-transfer clutch 11 be energized combine, motor 12 power, after change-speed box 10, drives drive bevel gear 1 by motor flange 9 and bead 15; But now can preferentially use the hydraulic energy be stored in accumulator 6, namely pump/motor magnetic clutch 4 energising combines, electromagnetic switch valve 7 is energized connection, liquid in accumulator 6 drives pump/motor 5(pump/motor 5 to make motor and uses) Driving Torque, the torque that pump/motor 5 exports is delivered to pump/motor gear 3 through pump/motor magnetic clutch 4, through synchronizer gear 21 by transmission of torque to drive bevel gear 1, the torque exported with motor 12 jointly drives vehicle to complete vehicle launch, acceleration or high load working condition and runs.When vehicle underloading is advanced, motor 12 individual drive drive bevel gear 1, does not need hydraulic power assistive drive, and namely motor electromagnetic power-transfer clutch 11 is energized and combines, and motor 12 power, after change-speed box 10, drives drive bevel gear 1 by motor flange 9 and bead 15.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from creation design of the present utility model; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. an electric liquid combination drive main reduction gear active conical tooth wheel system, agent structure comprises drive bevel gear (1), pump/motor gear (3), pump/motor magnetic clutch (4), pump/motor (5), change-speed box (10), motor (12), described drive bevel gear (1) is by left tapered roller bearing (20), right tapered roller bearing (22) is supported on bearing seat (2), can rotate around oneself axis, described change-speed box (10) input end is connected with motor (12) by motor electromagnetic power-transfer clutch (11), mouth is connected by motor flange (9) and bead (15), it is characterized in that: drive bevel gear (1) is connected with synchronizer gear (21), described pump/motor gear (3) and synchronizer gear (21) external toothing, and connected with pump/motor (5) by pump/motor magnetic clutch (4), two mouth one end of pump/motor (5) connect with fuel tank (8), one end is connected with accumulator (6) by electromagnetic switch valve (7).
2. electric liquid combination drive main reduction gear active conical tooth wheel system according to claim 1, it is characterized in that: synchronizer gear (21) is between left tapered roller bearing (20), right tapered roller bearing (22), be mounted on drive bevel gear (1) axle by key, or be directly made of one with it.
3. electric liquid combination drive main reduction gear active conical tooth wheel system according to claim 2, it is characterized in that: in drive bevel gear (1), overlap successively on the left side of left tapered roller bearing (20) and have pad (23), bead (15), back-up ring (14) and clamp nut (13), clamp nut (13) is connected with drive bevel gear (1) by screw thread, back-up ring (14) and pad (23) light are enclosed within the axle of drive bevel gear, and bead (15) is connected with drive bevel gear (1) by spline.
4. electric liquid combination drive main reduction gear active conical tooth wheel system according to claim 3, is characterized in that: bead (15) is provided with dust boot (16), crosses therebetween and wins connection.
5. electric liquid combination drive main reduction gear active conical tooth wheel system according to claim 4, it is characterized in that: bearing seat (2) also connects seal ring flange (18), seal ring (17) is housed between bead (15) and seal ring flange (18).
6. electric liquid combination drive main reduction gear active conical tooth wheel system according to claim 5, it is characterized in that: seal ring flange (18) and bearing seat (2) are bolted, and have gasket seal (19) between seal ring flange (18) and bearing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569230.XU CN204821148U (en) | 2015-08-02 | 2015-08-02 | Driving bevel gear system of electro-hydraulic hybrid driving main reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569230.XU CN204821148U (en) | 2015-08-02 | 2015-08-02 | Driving bevel gear system of electro-hydraulic hybrid driving main reducer |
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| CN204821148U true CN204821148U (en) | 2015-12-02 |
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| CN201520569230.XU Expired - Fee Related CN204821148U (en) | 2015-08-02 | 2015-08-02 | Driving bevel gear system of electro-hydraulic hybrid driving main reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972899A (en) * | 2015-08-02 | 2015-10-14 | 青岛大学 | Driving bevel gear system of electro-hydraulic hybrid driving main reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972899A (en) * | 2015-08-02 | 2015-10-14 | 青岛大学 | Driving bevel gear system of electro-hydraulic hybrid driving main reducer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20170802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |