CN201619606U - Hydraulic power-assisted steering system and vehicle with the same - Google Patents
Hydraulic power-assisted steering system and vehicle with the same Download PDFInfo
- Publication number
- CN201619606U CN201619606U CN2009202622583U CN200920262258U CN201619606U CN 201619606 U CN201619606 U CN 201619606U CN 2009202622583 U CN2009202622583 U CN 2009202622583U CN 200920262258 U CN200920262258 U CN 200920262258U CN 201619606 U CN201619606 U CN 201619606U
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- motor
- described motor
- steering system
- hydraulic power
- hydraulic
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Abstract
The utility model provides a hydraulic power-assisted steering system and a vehicle with the same. The hydraulic power-assisted steering system comprises a steering gear, a motor, a hydraulic pump and a controller for controlling the motor to rotate. The controller comprises a cooling pipeline. A cooling cavity is arranged in the motor. The cooling pipeline of the controller, the cooling cavity of the motor, the hydraulic pump and the steering gear are connected sequentially to form a circulation loop of hydraulic oil. The system and the vehicle have simple structures, do not need to additionally arrange a cooling system, occupy small volume of the vehicle and save space.
Description
Technical field
The utility model belongs to vehicle booster steering swivel system field, the vehicle that relates in particular to a kind of hydraulic power-assist steering system and have this system.
Background technology
Traditional mechanical type hydraulic servo steering system bag live Hydraulic Pump, oil tank, drive belt and connecting line, in order to keep-up pressure, no matter whether need power steering, steering swivel system is in running order always, and energy consumption is higher, and this also is very expensive source.In order to reduce the loss of resource, the servo steering system that adopts on the present various vehicle is electric hydraulic power-assisted steering systems all mostly, as shown in Figure 1, existing electric hydraulic power-assisted steering system comprises Hydraulic Pump 1a, electrical motor 2a, motor controller 3a, deflector 4a and petrol storage tank 5a, electrical motor 2a is connected with Hydraulic Pump 1a, the oil outlet of Hydraulic Pump 1a is connected with the oil inlet of deflector 4a, the oil outlet of deflector 4a is connected with the oil inlet of petrol storage tank 5a, and the oil outlet of petrol storage tank 5a is connected with the oil inlet of Hydraulic Pump 1a.The rotation of motor controller 3a control motor 2a, thereby electrical motor 2a drives Hydraulic Pump 1a work, hydraulic oil in the petrol storage tank 5a is transported among the deflector 4a by pressure duct, electrical motor 2a and Hydraulic Pump 1a by oil pressure as medium, drive deflector 4a work, deflector 4a outputs to oil among the petrol storage tank 5a by its oil outlet after finishing servo-steering work, and also need to increase a cover cooling system on the electrical motor 2a and come the heat that electrical motor 2a produces when the work is dispelled the heat, so this steering swivel system complex structure, bulky, take spaces a large amount of on the car.
The utility model content
The utility model turns to the system architecture complexity for solving in the prior art, and bulky problem provides a kind of simple in structure, vehicle of saving the space and not needing the hydraulic power-assist steering system of additive incrementation cooling system and have this system.
The utility model provides a kind of hydraulic power-assist steering system, comprise deflector, motor, Hydraulic Pump and be used to control the controller that described motor rotates, described controller comprises cooling duct, be provided with cooling chamber in the described motor, described controller cooling duct, motor cooling chamber, Hydraulic Pump and deflector connect successively, form the circulation loop of hydraulic oil.
Further improve, described controller comprises also and is used to control the control desk that described motor rotates that described control desk is electrically connected with described motor, and described control desk is arranged at the outside of described cooling duct.
Further improve the described Hydraulic Pump formation integrative-structure that is connected with described motor.
Further improve, described Hydraulic Pump comprises the pump housing and is positioned at the impeller of the described pump housing, described motor comprises electric machine casing, the motor cavity that forms by electric machine casing, and can be around the rotating shaft of self rotational, one end of described rotating shaft is positioned at described motor cavity, and the other end of described rotating shaft stretches out described motor cavity captives joint with described impeller, and described motor cooling chamber and described motor cavity all are communicated with the described pump housing.
Further improve, described motor also comprises two bearings that are used to support described rotating shaft, and described two bearings are individually fixed on the inwall of described electric machine casing, and described two bearings are positioned at described motor cavity.
Further improve, described motor cooling chamber is arranged at the inside of described motor cavity.
Further improve, described motor cooling chamber is arranged at the outside of described motor cavity, and described motor cooling chamber is arranged in the inwall of described electric machine casing.
Further improve, the oil outlet of described Hydraulic Pump is communicated with the oil inlet of described deflector, and the oil outlet of described deflector is communicated with the oil inlet of described controller cooling duct, and the oil outlet of described controller cooling duct is communicated with described cooling duct.
Further improve, described motor is a permanent magnetic brushless.
The utility model also provides a kind of vehicle, comprises above-mentioned hydraulic power-assist steering system.
The hydraulic power-assist steering system that the utility model provides and have the vehicle of this system with than prior art, save existing petrol storage tank, substitute petrol storage tank by the cooling chamber of motor itself and the cooling duct of controller, play the effect of oil storage, when the oil medium circulates in circulation loop, can take away the heat that when controller and machine operation, produces, can cool off controller and motor simultaneously, therefore this system and vehicle structure simply and not need the additive incrementation cooling system, it is little to take the vehicle volume, saves the space.
Description of drawings
Fig. 1 is the structural representation of hydraulic power-assist steering system in the prior art;
Fig. 2 is the structural representation of the hydraulic power-assist steering system of a kind of embodiment of the present utility model.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 2, the utility model provides a kind of hydraulic power-assist steering system, comprise deflector 1, motor 2, Hydraulic Pump 3 and be used to control the controller 4 that motor 2 rotates, described controller comprises cooling duct 42, be provided with cooling chamber in the described motor 2, described controller cooling duct 42, motor cooling chamber, Hydraulic Pump 3 and deflector 1 connect successively, form the circulation loop of hydraulic oil.Under the preferable case, described Hydraulic Pump 3 is an oil pump, and as medium, the output high pressure oil is given deflector 1 to oil pump by hydraulic oil, makes deflector 1 play the effect that the power-assisted bearing circle rotates.
Further improve, described controller 4 also comprises the control desk 41 that is used to control described motor rotation, described control desk 41 is electrically connected with described motor 2, control desk 41 sealings can be arranged on cooling duct 42 inside, but in order to prevent the hydraulic oil seepage control of access plate 41 in the cooling duct 42 so that control desk 41 damages, under the preferable case: described control desk 41 is arranged at the outside of described cooling duct 42.
Further improve, described motor 2 is a permanent magnetic brushless.The all working state of described motor 2 all is according to signal control such as the moving velocity of vehicle, steering angles by controller 4, promptly when low speed turns to greatly, controller 4 drives described motor 2 twirl, it is more high-power that described motor 2 drives the impeller at high speed running output of Hydraulic Pumps 3, and it is laborsaving to make chaufeur beat direction; Automobile is when running at high speed, and controller 4 drives described motor 2 and rotates with lower speed, and described motor 2 drives the less power of impeller output of Hydraulic Pump 3, and fuel feeding can not produce the phenomenon of energy dissipation as required.
Further improve the described Hydraulic Pump 3 formation integrative-structure that is connected with described motor 2.
Further improve, described Hydraulic Pump 3 comprises the pump housing and is positioned at the impeller of the described pump housing, described motor 2 comprises electric machine casing, the motor cavity 21 that forms by electric machine casing and and can be around the rotating shaft 22 of self rotational, one end of described rotating shaft is positioned at described motor cavity 21, the other end of described rotating shaft 22 stretches out described motor cavity 21 captives joint with described impeller, and described motor cooling chamber and described motor cavity 21 are communicated with the described pump housing respectively.The described rotating shaft 22 of control desk 41 control in the controller is around the rotational of himself, and described rotating shaft 22 drives the wheel rotation of captiveing joint with it, in the pump housing hydraulic oil also just along with wheel rotation, thereby make Hydraulic Pump can export high pressure oil.Described Hydraulic Pump 3 and the 2 shared rotating shafts of described motor reduce the volume of described Hydraulic Pump 3 and described motor 2, make the simple in structure of hydraulic power-assist steering system, also are convenient to the control of 4 pairs of motors 2 of controller and Hydraulic Pump 3 simultaneously.
Further improve, described motor also comprises two bearings that are used to support described rotating shaft 22, and described two bearings are individually fixed on the inwall of described electric machine casing, and described two bearings are positioned at described motor cavity 21.
Further improve, described motor cooling chamber is arranged at the inside of described motor cavity 21, certain described motor cooling chamber is arranged at the outside of described motor cavity 21, and described motor cooling chamber is arranged in the inwall of described electric machine casing, as long as described motor cooling chamber is communicated with the described pump housing.In the present embodiment, described motor cooling chamber is described motor cavity 21.
Further improve, the oil outlet of described Hydraulic Pump 3 is communicated with the oil inlet of described deflector 1, the oil outlet of described deflector 1 is communicated with the oil inlet of described controller cooling duct 42, it is that the oil outlet of described controller cooling duct 42 is communicated with described motor cavity 21 that the oil outlet of described controller cooling duct is communicated with described cooling duct, and described motor cavity 21 is communicated with the pump housing of Hydraulic Pump 3.Hydraulic Pump 3, deflector 1, controller cooling duct 42 and described motor cavity 21 all are communicated with by pipeline, form the circulation loop of hydraulic oil, hydraulic oil forms high pressure oil by Hydraulic Pump 3 and is transported to deflector 1 by pressure duct, drive deflector 1 and finish the work that turns to of booster vehicle, deflector 1 again by pipeline with in the hydraulic oil o controller cooling duct 42, controller cooling duct 42 is communicated with motor cavity 21, motor cavity 21 is communicated with Hydraulic Pump 3, therefore hydraulic oil is got back to again in the Hydraulic Pump 3, forms the circulation loop of finishing.In this cyclic process, controller cooling duct 42 and motor cavity 21 have replaced petrol storage tank to play the effect of oil storage, simultaneously hydraulic oil is taken away the heat that controller 4 and motor 2 are produced by work in the on-cycle process, plays the effect that controller 4 and motor 2 cool off.
The utility model also provides a kind of vehicle, comprises above-mentioned hydraulic power-assist steering system.
Hydraulic power-assist steering system of the present utility model, controller cooling duct 42 and motor cavity 21 have replaced petrol storage tank to play the effect of oil storage, save the petrol storage tank in having now, simultaneously hydraulic oil is taken away the heat that controller 4 and motor 2 are produced by work in the on-cycle process, play the effect that controller 4 and motor 2 cool off, also cooling system with regard to not needing additive incrementation that controller 4 and motor 2 are cooled off, therefore this system is simple with the vehicle structure with this system, it is little to take the vehicle volume, saves the space.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. hydraulic power-assist steering system, comprise deflector, motor, Hydraulic Pump and be used to control the controller that described motor rotates, it is characterized in that: described controller comprises cooling duct, be provided with cooling chamber in the described motor, described controller cooling duct, motor cooling chamber, Hydraulic Pump and deflector connect successively, form the circulation loop of hydraulic oil.
2. hydraulic power-assist steering system as claimed in claim 1 is characterized in that: described controller comprises also and is used to control the control desk that described motor rotates that described control desk is electrically connected with described motor, and described control desk is arranged at the outside of described cooling duct.
3. hydraulic power-assist steering system as claimed in claim 1 is characterized in that: the described Hydraulic Pump formation integrative-structure that is connected with described motor.
4. hydraulic power-assist steering system as claimed in claim 3, it is characterized in that: described Hydraulic Pump comprises the pump housing and is positioned at the impeller of the described pump housing, described motor comprises electric machine casing, the motor cavity that forms by electric machine casing, and can be around the rotating shaft of self rotational, one end of described rotating shaft is positioned at described motor cavity, and the other end of described rotating shaft stretches out described motor cavity captives joint with described impeller, and described motor cooling chamber and described motor cavity are communicated with the described pump housing respectively.
5. hydraulic power-assist steering system as claimed in claim 4, it is characterized in that: described motor also comprises two bearings that are used to support described rotating shaft, described two bearings are individually fixed on the inwall of described electric machine casing, and described two bearings are positioned at described motor cavity.
6. hydraulic power-assist steering system as claimed in claim 4 is characterized in that: described motor cooling chamber is arranged at the inside of described motor cavity.
7. hydraulic power-assist steering system as claimed in claim 4 is characterized in that: described motor cooling chamber is arranged at the outside of described motor cavity, and described motor cooling chamber is arranged in the inwall of described electric machine casing.
8. as claim 6 or 7 described hydraulic power-assist steering systems, it is characterized in that: the oil outlet of described Hydraulic Pump is communicated with the oil inlet of described deflector, the oil outlet of described deflector is communicated with the oil inlet of described controller cooling duct, and the oil outlet of described controller cooling duct is communicated with described cooling duct.
9. hydraulic power-assist steering system as claimed in claim 1 is characterized in that: described motor is a permanent magnetic brushless.
10. a vehicle is characterized in that: comprise any described hydraulic power-assist steering system as claim 1-7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202622583U CN201619606U (en) | 2009-12-30 | 2009-12-30 | Hydraulic power-assisted steering system and vehicle with the same |
Applications Claiming Priority (1)
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CN2009202622583U CN201619606U (en) | 2009-12-30 | 2009-12-30 | Hydraulic power-assisted steering system and vehicle with the same |
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CN201619606U true CN201619606U (en) | 2010-11-03 |
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CN2009202622583U Expired - Lifetime CN201619606U (en) | 2009-12-30 | 2009-12-30 | Hydraulic power-assisted steering system and vehicle with the same |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106394530A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
CN106394528A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
CN110304031A (en) * | 2018-03-27 | 2019-10-08 | 上海汽车集团股份有限公司 | A kind of automatically controlled boost pump, automatically controlled energy assisted braking system and automobile |
-
2009
- 2009-12-30 CN CN2009202622583U patent/CN201619606U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106394530A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
CN106394528A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
CN106394528B (en) * | 2015-07-31 | 2019-01-11 | 比亚迪股份有限公司 | The combined system of vehicle braking and steering |
CN106394530B (en) * | 2015-07-31 | 2019-01-11 | 比亚迪股份有限公司 | The combined system of vehicle braking and steering |
CN110304031A (en) * | 2018-03-27 | 2019-10-08 | 上海汽车集团股份有限公司 | A kind of automatically controlled boost pump, automatically controlled energy assisted braking system and automobile |
CN110304031B (en) * | 2018-03-27 | 2022-04-05 | 上海汽车集团股份有限公司 | Electric control booster pump, electric control booster braking system and automobile |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20101103 |