CN109667858B - Parking executor and vehicle that has it - Google Patents

Parking executor and vehicle that has it Download PDF

Info

Publication number
CN109667858B
CN109667858B CN201811608781.7A CN201811608781A CN109667858B CN 109667858 B CN109667858 B CN 109667858B CN 201811608781 A CN201811608781 A CN 201811608781A CN 109667858 B CN109667858 B CN 109667858B
Authority
CN
China
Prior art keywords
tooth portion
gear
motor
planetary gear
parking
Prior art date
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.)
Active
Application number
CN201811608781.7A
Other languages
Chinese (zh)
Other versions
CN109667858A (en
Inventor
李华雷
王文龙
尹红光
王彬
许修国
高利
于志超
王振
姜申野
胡思良
管艳艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Exquisite Automotive Systems Co Ltd
Original Assignee
Exquisite Automotive Systems Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Exquisite Automotive Systems Co Ltd filed Critical Exquisite Automotive Systems Co Ltd
Priority to CN201811608781.7A priority Critical patent/CN109667858B/en
Publication of CN109667858A publication Critical patent/CN109667858A/en
Application granted granted Critical
Publication of CN109667858B publication Critical patent/CN109667858B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/14Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Abstract

The invention provides a parking actuator and a vehicle with the same, wherein the parking actuator comprises: the device comprises a shell, a driving motor, a single-stage planetary gear mechanism and a synchronous belt, wherein the driving motor is arranged in the shell; the single-stage planetary gear mechanism is provided with a power output end, and the power output end is used for outputting parking power; the synchronous belt is connected in a meshed mode between the driving motor and the single-stage planetary gear mechanism, and the driving motor utilizes the power transmission effect of the synchronous belt to enable parking power generated by the driving motor to be output from the power output end. Therefore, the power output by the driving motor is transmitted to the single-stage planetary gear mechanism through the synchronous belt so as to reduce the number of parts in the parking actuator, reasonably reduce the rotational inertia of the parking actuator so as to effectively ensure the transmission efficiency, and reasonably reduce the weight of the parking actuator.

Description

Parking executor and vehicle that has it
Technical Field
The invention relates to the technical field of vehicles, in particular to a parking actuator and a vehicle with the same.
Background
At present, in an electronic parking brake system of a motor vehicle, a rear caliper integrated electronic parking brake has a plurality of functions and is convenient to install, so that the electronic parking brake system has already become a development trend. The power source of the electronic parking brake with the structure is a motor, and the motor transmits power to the brake caliper assembly through a transmission mechanism, so that parking brake of a vehicle is realized. The motor, the transmission mechanism and the shell are generally called as an electronic parking actuator. In an electronic parking actuator, a planetary gear transmission is generally adopted to complete the speed reduction of a motor, and the planetary gear is small, light in weight and large in transmission ratio, so that the electronic parking actuator becomes an increasing choice for manufacturers. The operation quality of the electronic parking actuator directly influences the quality of parking and the feeling of a user.
In the related art, actuators generally adopt a transmission mode that: two-stage or multi-stage planetary gear transmission realizes speed reduction, and the motor and the planetary gear are positioned through the shell and the rigid pin shaft. This kind of transmission mode can cause following technical problem: the more the number of the planetary gear stages is, the more the number of the parts for driving the rotation is, the large integral moment of inertia is, the more the loss of the torque is, and the reduction of the transmission efficiency is caused; the more the planetary gear stages are, the more the planetary carriers are, each planetary carrier not only positions the planetary gear, but also bears the torque input of the next stage, the stress is larger, and larger dynamic load is generated in the torque transmission process, so that the abrasion of the gear is accelerated, and the service life of the gear is influenced; the motor shaft and the gear shaft are positioned for multiple times: in the above technology, the motor and the internal gear are positioned twice through the outer shell and the internal rigid element, one is that the motor and the planetary gear outer gear ring are required to be positioned internally through the outer shell and the internal rigid element, and the other is that the planetary gear outer gear ring and the rigid element are fixed together to position the gear and the motor internally, so that the positioning form can cause large positioning error, reduce the gear transmission precision, and finally influence the transmission efficiency and the service life of the actuator; the cost is high: the actuator is high in cost due to the fact that complex motor and gear positioning parts are needed inside the actuator; the mass is large: the actuator has large mass due to the fact that the actuator needs a plurality of gear parts and is complex in structure.
Disclosure of Invention
In view of this, the present invention is directed to a parking actuator, which has high transmission efficiency, small volume, and long service life.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a parking actuator comprising: a housing drive motor disposed within the housing; a single-stage planetary gear mechanism having a power output for outputting parking power; the hold-in range, hold-in range meshing is connected driving motor with between the single-stage planetary gear mechanism, driving motor utilizes the power transmission effect of hold-in range makes the parking power that driving motor produced can be followed power take off end exports.
According to some embodiments of the invention, the drive motor has a motor shaft, and the parking actuator further comprises: and the gear reduction device is connected with the motor shaft, and the synchronous belt is meshed between the gear reduction device and the single-stage planetary gear mechanism.
According to some embodiments of the invention, the gear reduction comprises: the motor gear is connected with the motor shaft, the first synchronous belt wheel is provided with annular inner teeth meshed with the motor gear, and the first synchronous belt wheel is further meshed with the outside of the synchronous belt.
According to some embodiments of the invention, the first synchronous pulley comprises: the motor gear comprises a first large tooth portion and a first small tooth portion, the first large tooth portion is provided with an accommodating space, the motor gear extends into the accommodating space, the inner peripheral wall of the accommodating space is provided with the annular inner teeth, the radial size of the first small tooth portion is smaller than that of the first large tooth portion, the first small tooth portion is coaxially connected with the first large tooth portion, and the first small tooth portion is connected with the shell in a positioning mode through a first positioning shaft.
According to some embodiments of the invention, a second timing pulley is provided between the single-stage planetary gear mechanism and the timing belt, the second timing pulley comprising: the second large tooth part is meshed with the synchronous belt, the second small tooth part is coaxially connected with the second large tooth part, the second small tooth part is in transmission with the single-stage planetary gear mechanism, and the number of teeth of the first small tooth part is less than that of the second large tooth part.
According to some embodiments of the invention, the single stage planetary gear mechanism comprises: the planet carrier and set up a plurality of planet wheels on the planet carrier, the second toothlet portion is located a plurality of the center of planet wheel and respectively with a plurality of the planet wheel meshing, the planet carrier structure is for power take off.
According to some embodiments of the invention, the parking actuator further comprises: one end of the second positioning shaft is connected with the shell in a positioning mode, the second positioning shaft coaxially penetrates through the second large tooth portion, the second small tooth portion and the planet carrier, and the other end of the second positioning shaft is accommodated in a blind groove in the planet carrier.
According to some embodiments of the invention, the parking actuator further comprises: a stabilizing structure that stabilizes the first large tooth portion.
According to some embodiments of the invention, the stabilizing structure comprises: stabilizing gear, stabilizing gear passes through the third location axle location and is in the casing, stabilizing gear stretches into in the accommodating space, stabilizing gear with annular internal tooth meshing, and stabilizing gear with motor gear radial symmetry arranges.
Compared with the prior art, the parking actuator has the following advantages:
according to the parking actuator disclosed by the embodiment of the invention, the power output by the driving motor is transmitted to the single-stage planetary gear mechanism through the synchronous belt, so that the number of parts in the parking actuator is reduced, the rotational inertia of the parking actuator is reasonably reduced, the transmission efficiency is effectively ensured, and meanwhile, the weight of the parking actuator is reasonably reduced.
Another object of the present invention is to provide a vehicle including the parking actuator.
The vehicle and the parking actuator have the same advantages compared with the prior art, and the detailed description is omitted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a sectional view of a parking actuator according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a parking actuator according to an embodiment of the present invention;
FIG. 3 is an exploded view of a parking actuator according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first synchronous pulley according to an embodiment of the present invention.
Description of reference numerals:
a parking actuator 100,
A shell 10,
A driving motor 20, a motor shaft 21,
Single-stage planetary gear mechanism 30, planet carrier 31, blind groove 311, planet wheel 32,
A synchronous belt 40,
A gear reduction unit 50, a motor gear 51, a first synchronous pulley 52, an annular internal tooth 521, a first large tooth 522, a first small tooth 523, a first positioning shaft 53,
A second timing pulley 60, a second large tooth 61, a second small tooth 62, a second positioning shaft 63,
A stabilizing structure 70, a stabilizing gear 71, and a third positioning shaft 72.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention will be described in detail below with reference to the accompanying figures 1-4, in conjunction with an embodiment.
The parking actuator 100 according to the embodiment of the present invention includes: a housing 10, a driving motor 20, a single-stage planetary gear mechanism 30, and a timing belt 40.
Specifically, the driving motor 20 is disposed in the housing 10, the single-stage planetary gear mechanism 30 has a power output terminal for outputting parking power, the timing belt 40 is engaged between the driving motor 20 and the single-stage planetary gear mechanism 30, and the driving motor 20 enables the parking power generated by the driving motor 20 to be output from the power output terminal by using the power transmission function of the timing belt 40.
Further, since the timing belt 40 is engaged between the driving motor 20 and the single-stage planetary gear mechanism 30, the timing belt 40 can transmit the driving force output from the driving motor 20 to the single-stage planetary gear mechanism 30 and output the power through the single-stage planetary gear mechanism 30.
It is understood that the single-stage planetary gear mechanism 30 has a simple structure, so that components in the parking actuator 100 can be reduced, the reduction of components for transmitting power can reasonably reduce the moment of inertia of the parking actuator 100 to effectively ensure the transmission efficiency, and the weight of the parking actuator 100 can be reduced.
It should be noted that the risk of high cost and low transmission efficiency of the multi-stage planetary gear mechanism can be effectively prevented by transmitting the driving force of the driving motor 20 to the single-stage planetary gear mechanism 30 through the timing belt 40 and only providing the single-stage planetary gear mechanism 30.
According to the parking actuator 100 of the embodiment of the invention, the power output by the driving motor 20 is transmitted to the single-stage planetary gear mechanism 30 through the synchronous belt 40 to reduce the number of parts in the parking actuator 100, and the rotational inertia of the parking actuator 100 is reasonably reduced to effectively ensure the transmission efficiency and reasonably reduce the weight of the parking actuator 100.
As shown in fig. 1, in some embodiments of the present invention, the driving motor 20 has a motor shaft 21, and the parking actuator 100 further includes: the gear reduction unit 50, the gear reduction unit 50 is connected to the motor shaft 21, and the timing belt 40 is engaged between the gear reduction unit 50 and the single-stage planetary gear mechanism 30.
Specifically, the timing belt 40 is engaged with the gear reduction unit 50, and the gear reduction unit 50 is connected to the motor shaft 21, and the gear reduction unit 50 can reduce the speed of the driving force output from the motor shaft 21 and transmit the reduced speed to the single-stage planetary gear mechanism 30 through the timing belt 40.
It can be understood that the stability of transmitting the driving force to the single planetary gear mechanism 30 after the driving force output from the motor shaft 21 is reduced by the gear reduction device 50 is better, and the number of parts between the motor shaft 21 and the single planetary gear mechanism 30 can be reasonably reduced by the transmission manner through the timing belt 40 to reduce the weight of the parking actuator 100.
As shown in fig. 1, in some embodiments of the present invention, gear reduction unit 50 includes: a motor gear 51 and a first synchronous pulley 52, the motor gear 51 is connected with the motor shaft 21, the first synchronous pulley 52 has an annular inner tooth 521 meshed with the motor gear 51, and the first synchronous pulley 52 is also meshed with the synchronous belt 40.
Specifically, since the motor gear 51 is engaged with the annular internal teeth 521 of the first synchronous pulley 52, and the motor gear 51 is disposed inside the first synchronous pulley 52, such a structure can effectively save the space occupied by the motor gear 51, so that the engagement between the first synchronous pulley 52 and the driving motor 20 is more compact.
It can be understood that the driving motor 20 transmits the output power to the motor gear 51 through the motor shaft 21, the motor gear 51 rotates synchronously with the motor shaft 21, the motor gear 51 is engaged with the internal annular teeth 521 to drive the first synchronous pulley 52 to rotate, and since the first synchronous pulley 52 is engaged with the synchronous belt 40, the first synchronous pulley 52 drives the synchronous belt 40 engaged therewith to move.
As shown in fig. 1, in some embodiments of the present invention, the first synchronous pulley 52 comprises: the first large tooth portion 522 and the first small tooth portion 523, the first large tooth portion 522 has an accommodating space, the motor gear 51 extends into the accommodating space, the inner peripheral wall of the accommodating space is provided with annular inner teeth 521, the radial dimension of the first small tooth portion 523 is smaller than that of the first large tooth portion 522, the first small tooth portion 523 is coaxially connected with the first large tooth portion 522, and the first small tooth portion 523 is connected with the housing 10 in a positioning manner through the first positioning shaft 53.
Specifically, the motor gear 51 can be extended into the accommodating space, so that the space occupied by the motor gear 51 can be saved, when the motor gear 51 is meshed with the annular internal teeth 521, the motor gear 51 drives the annular internal teeth 521 to rotate, and the first small tooth part 523 can rotate synchronously with the first large tooth part 522 because the first small tooth part 523 is coaxially connected with the first large tooth part 522.
It can be understood that the first small tooth portion 523 is used for meshing engagement with the timing belt 40, and the first small tooth portion 523 and the first large tooth portion 522 rotate synchronously, so that the first small tooth portion 523 can drive the timing belt 40 to move.
Further, since the first positioning shaft 53 is connected between the first small tooth portion 523 and the housing 10, the first timing pulley 52 can rotate around the central axis of the first positioning shaft 53, and the first positioning shaft 53 can provide a good positioning effect in the axial direction and the radial direction of the first timing pulley 52.
Optionally, a positioning structure is arranged on the housing 10, and the positioning structure can be configured as a step portion or a clamping groove, so that the housing 10 has a good positioning effect on the driving motor 20 through the positioning structure, thereby preventing the motor shaft 21 from moving towards the driving motor 20, ensuring the stability of the driving motor 20 during operation, ensuring the stability of the output of the driving force of the motor shaft 21, and further ensuring the reliability of the meshing fit between the motor gear 51 and the annular internal teeth 521.
As shown in fig. 1, in a further embodiment of the present invention, a second timing pulley 60 is provided between the single-stage planetary gear mechanism 30 and the timing belt 40, the second timing pulley 60 including: the second large tooth portion 61 is meshed with the synchronous belt 40, the second small tooth portion 62 is coaxially connected with the second large tooth portion 61, the second small tooth portion 62 is in transmission with the single-stage planetary gear mechanism 30, and the number of teeth of the first small tooth portion 523 is smaller than that of the second large tooth portion 61.
Specifically, the synchronous belt 40 can drive the second large tooth portion 61 engaged with the synchronous belt to rotate, and since the second large tooth portion 61 is coaxially connected with the second small tooth portion 62, the second large tooth portion 61 can drive the second small tooth portion 62 to rotate synchronously, so that the second small tooth portion 62 can drive the single-stage planetary gear mechanism 30 to move.
Further, first little tooth portion 523 and second big tooth portion 61 all mesh with the hold-in range 40 and cooperate, first little tooth portion 523 meshes with hold-in range 40 and cooperates in order to drive hold-in range 40 motion, hold-in range 40 meshes with second big tooth portion 61 and cooperates in order to drive second big tooth portion 61 and rotate, because the number of teeth of first little tooth portion 523 is less than the number of teeth of second big tooth portion 61 to the rotational speed at first little tooth portion 523 is higher than the rotational speed of second big tooth portion 61, realizes the deceleration.
As shown in fig. 1 and 2, in some embodiments of the present invention, the single-stage planetary gear mechanism 30 includes: a planet carrier 31 and a plurality of planet wheels 32 arranged on the planet carrier 31, a second small tooth part 62 is positioned at the center of the plurality of planet wheels 32, the second small tooth part 62 is respectively meshed with the plurality of planet wheels 32, and the planet carrier 31 is configured as a power output end.
It is understood that the second small tooth portion 62 is configured as a sun gear of the single-stage planetary gear mechanism 30, the second small tooth portion 62 can drive the plurality of planetary gears 32 engaged with the second small tooth portion 62 to rotate, the planetary carrier 31 is connected with the plurality of planetary gears 32, and the plurality of planetary gears 32 drive the planetary carrier 31 connected with the plurality of planetary gears 32 to rotate, so that speed reduction and distance increase are realized at the single-stage planetary gear mechanism to output proper torque and rotating speed.
As shown in fig. 1, in some embodiments of the present invention, the parking actuator 100 further includes: and a second positioning shaft 63, one end of the second positioning shaft 63 is connected with the housing 10 in a positioning manner, the second positioning shaft 63 coaxially penetrates through the second large tooth portion 61, the second small tooth portion 62 and the planet carrier 31, and the other end of the second positioning shaft 63 is accommodated in a blind groove 311 on the planet carrier 31.
Further, since the second positioning shaft 63 is connected between the second timing pulley 60 and the housing 10, the second timing pulley 60 can rotate around the central axis of the second positioning shaft 63, the second positioning shaft 63 can achieve a good positioning effect in the axial direction and the radial direction of the second timing pulley 60, and the end portion of the second positioning shaft 63 is received in the blind groove 311 of the planet carrier 31, so that the stability of the single-stage planetary gear mechanism 30 during operation can be improved.
As shown in fig. 1, in some embodiments of the present invention, the parking actuator 100 further includes: the stabilizing structure 70 for stabilizing the first large tooth portion 522 may improve the stability of the first large tooth portion 522 engaged with the motor gear 51, so as to improve the reliability of the parking actuator 100.
In a further embodiment of the present invention, as shown in fig. 1, the stabilizing structure 70 comprises: a stabilizing gear 71, the stabilizing gear 71 is positioned in the housing 10 by a third positioning shaft 72, the stabilizing gear 71 protrudes into the accommodating space, the stabilizing gear 71 is meshed with the annular internal teeth 521, and the stabilizing gear 71 is arranged radially symmetrically with the motor gear 51.
Specifically, the third positioning shaft 72 is fixed to the housing 10, and the third positioning shaft 72 has a good positioning effect in the axial direction and the radial direction of the stabilizing gear 71, so that the stability of the stabilizing gear 71 during rotation can be ensured.
It is understood that the stabilizing gear 71 is fixed in the housing 10 by the third positioning shaft 72, and the stabilizing gear 71 itself does not have the capability of transmitting the driving force. When the motor gear 51 is meshed with the annular inner teeth 521, the motor gear 51 drives the annular inner teeth 521 to rotate, and the annular inner teeth 521 drives the stabilizing gear 71 to rotate due to the meshed fit of the annular inner teeth 521 and the stabilizing gear 71.
Further, the stabilizing gear 71 and the motor gear 51 are arranged in the accommodating space in a mirror symmetry manner, and when the stabilizing gear 71 is meshed and matched with the motor gear 51 through the annular internal teeth 521, an eccentric force is generated to influence the stability of the first synchronous pulley 52.
The power transmission process of the parking actuator 100 according to the embodiment of the present invention is described below with reference to fig. 1 and 2:
first, the driving motor 20 outputs power, the motor shaft 21 rotates, the motor shaft 21 drives the motor gear 51 to rotate, the battery gear is meshed with the annular internal teeth 521 to drive the first large teeth portion 522 to rotate, and the annular internal teeth 521 simultaneously drives the stabilizing gear 71 meshed with the annular internal teeth 521 to rotate, so that the stability of the first large teeth portion 522 in operation is improved, and the rotating speed output by the driving motor 20 can be reduced due to the meshed cooperation of the motor gear 51 and the annular internal teeth 521.
Secondly, as the first large tooth portion 522 rotates, the first small tooth portion 523 and the first large tooth portion 522 rotate synchronously, the first small tooth portion 523 is meshed with the synchronous belt 40, the first small tooth portion 523 drives the synchronous belt 40 to move, the synchronous belt 40 drives the second large tooth portion 61 meshed with the synchronous belt 40 to rotate, and as the number of teeth of the first small tooth portion 523 is smaller than that of the second large tooth portion 61, the output power is decelerated among the first small tooth portion 523, the synchronous belt 40 and the second large tooth portion 61 again.
Finally, as the second large tooth portion 61 rotates, the second small tooth portion 62 rotates synchronously with the second large tooth portion 61, the second small tooth portion 62 is meshed with the plurality of planet wheels 32 to drive the plurality of planet wheels 32 to rotate, the plurality of planet wheels 32 are connected with the planet carrier 31 to drive the planet carrier 31 to rotate, and therefore speed reduction and distance increase of the driving force are achieved at the single-stage planetary gear mechanism 30 to output proper torque and rotation speed.
According to the vehicle provided by the embodiment of the invention, the vehicle comprises the parking actuator 100, the parking actuator 100 is good in stability and high in transmission efficiency, and parts are few to reduce the production cost and lighten the vehicle, so that the parking performance of the vehicle is improved, and the requirement for lightening the vehicle is met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. A parking actuator, comprising:
a housing;
a drive motor disposed within the housing;
a single-stage planetary gear mechanism having a power output for outputting parking power;
the synchronous belt is connected between the driving motor and the single-stage planetary gear mechanism in a meshed mode, and the driving motor enables parking power generated by the driving motor to be output from the power output end by means of the power transmission function of the synchronous belt;
the driving motor has a motor shaft, and the parking actuator further includes: the gear reduction device is connected with the motor shaft, and the synchronous belt is meshed between the gear reduction device and the single-stage planetary gear mechanism;
the gear reduction device includes: the motor gear is connected with a motor shaft, the first synchronous belt wheel is provided with annular internal teeth meshed with the motor gear, and the first synchronous belt wheel is also meshed with the outside of the synchronous belt;
the first synchronous pulley includes: the motor gear comprises a first large tooth portion and a first small tooth portion, the first large tooth portion is provided with an accommodating space, the motor gear extends into the accommodating space, the inner peripheral wall of the accommodating space is provided with the annular inner teeth, the radial size of the first small tooth portion is smaller than that of the first large tooth portion, the first small tooth portion is coaxially connected with the first large tooth portion, and the first small tooth portion is connected with the shell in a positioning mode through a first positioning shaft.
2. The parking actuator according to claim 1, wherein a second timing pulley is provided between the single-stage planetary gear mechanism and the timing belt, the second timing pulley including: the second large tooth part is meshed with the synchronous belt, the second small tooth part is coaxially connected with the second large tooth part, the second small tooth part is in transmission with the single-stage planetary gear mechanism, and the number of teeth of the first small tooth part is less than that of the second large tooth part.
3. The parking actuator of claim 2, wherein the single-stage planetary gear mechanism comprises: the planet carrier and set up a plurality of planet wheels on the planet carrier, the second toothlet portion is located a plurality of the center of planet wheel and respectively with a plurality of the planet wheel meshing, the planet carrier structure is for power take off.
4. The parking actuator of claim 3, further comprising: one end of the second positioning shaft is connected with the shell in a positioning mode, the second positioning shaft coaxially penetrates through the second large tooth portion, the second small tooth portion and the planet carrier, and the other end of the second positioning shaft is accommodated in a blind groove in the planet carrier.
5. The parking actuator of claim 1, further comprising: a stabilizing structure that stabilizes the first large tooth portion.
6. The parking actuator of claim 5, wherein the stabilizing structure comprises: stabilizing gear, stabilizing gear passes through the third location axle location and is in the casing, stabilizing gear stretches into in the accommodating space, stabilizing gear with annular internal tooth meshing, and stabilizing gear with motor gear radial symmetry arranges.
7. A vehicle, characterized by comprising a parking actuator according to any one of claims 1-6.
CN201811608781.7A 2018-12-27 2018-12-27 Parking executor and vehicle that has it Active CN109667858B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811608781.7A CN109667858B (en) 2018-12-27 2018-12-27 Parking executor and vehicle that has it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811608781.7A CN109667858B (en) 2018-12-27 2018-12-27 Parking executor and vehicle that has it

Publications (2)

Publication Number Publication Date
CN109667858A CN109667858A (en) 2019-04-23
CN109667858B true CN109667858B (en) 2021-05-25

Family

ID=66146296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811608781.7A Active CN109667858B (en) 2018-12-27 2018-12-27 Parking executor and vehicle that has it

Country Status (1)

Country Link
CN (1) CN109667858B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032498A (en) * 2011-09-28 2013-04-10 日立汽车系统株式会社 Disk brake apparatus
CN104154148A (en) * 2014-07-08 2014-11-19 邵亮 Planetary gear transmission mechanism and electronic parking brake actuator
CN205725321U (en) * 2016-04-26 2016-11-23 苏州盛亿电机有限公司 Electric bicycle compact built-in motor
CN106382311A (en) * 2016-11-04 2017-02-08 浙江力邦合信智能制动系统股份有限公司 Electronic parking actuator
CN106458197A (en) * 2014-04-29 2017-02-22 卢卡斯汽车股份有限公司 Actuating device for an electromechanically actuatable vehicle brake
CN108119615A (en) * 2017-12-15 2018-06-05 长沙志唯电子科技有限公司 Novel industrial robot retarder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3727265B2 (en) * 2001-11-09 2005-12-14 株式会社日立製作所 Electric car with gear motor
CN201994769U (en) * 2011-01-13 2011-09-28 深圳市捷顺科技实业股份有限公司 Channel brake movement device and channel brake
JP2018096386A (en) * 2016-12-08 2018-06-21 アイシン精機株式会社 Electric parking brake driving device
CN207673848U (en) * 2017-11-10 2018-07-31 浙江亚太机电股份有限公司 A kind of electronic parking power assembly that RV slows down

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032498A (en) * 2011-09-28 2013-04-10 日立汽车系统株式会社 Disk brake apparatus
CN106458197A (en) * 2014-04-29 2017-02-22 卢卡斯汽车股份有限公司 Actuating device for an electromechanically actuatable vehicle brake
CN104154148A (en) * 2014-07-08 2014-11-19 邵亮 Planetary gear transmission mechanism and electronic parking brake actuator
CN205725321U (en) * 2016-04-26 2016-11-23 苏州盛亿电机有限公司 Electric bicycle compact built-in motor
CN106382311A (en) * 2016-11-04 2017-02-08 浙江力邦合信智能制动系统股份有限公司 Electronic parking actuator
CN108119615A (en) * 2017-12-15 2018-06-05 长沙志唯电子科技有限公司 Novel industrial robot retarder

Also Published As

Publication number Publication date
CN109667858A (en) 2019-04-23

Similar Documents

Publication Publication Date Title
CN101607551B (en) Caliper attaching type electrical parking brake in vehicle
CN106195070B (en) The actuator of electric parking system
EP3944998B1 (en) Electronic parking brake actuator
US6692401B2 (en) Two-stage gear mechanism
CN210290722U (en) Electronic parking actuator
CN114102659B (en) Integrated robot driving joint based on planetary reducer
JP2006118494A (en) Starter
CN109667858B (en) Parking executor and vehicle that has it
EP3059155B1 (en) Hub unit for electric power-assisted human powered vehicle
CN200959553Y (en) External-rotor integrated electric wheel of composite gear-ring output
CN110106666B (en) Speed reduction and clutch integrated driving system
CN111750008B (en) Electronic parking brake actuator with double gears
JP2006103392A (en) Wheel motor
JP4684255B2 (en) Starter
CN214999264U (en) Integrated driving and braking hub motor assembly with speed reducing mechanism
CN111884420A (en) High output torque density's rotary motion module
CN200953507Y (en) External side disc type brake planetary frame outputting external rotor integrated motor-driven wheel structure
CN111674259B (en) Electric axle for a motor vehicle
CN107701667B (en) Composite speed reducer
CN220172967U (en) In-wheel motor, wheel and vehicle
KR20200109596A (en) Transmission and power transmission apparatus for vehicle
CN220581558U (en) Brake driving device and brake
CN213899814U (en) High-torque-output and high-integration hub power module
CN217108046U (en) Planetary gear reduction box
CN212381067U (en) High output torque density's rotary motion module

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant