CN107745638B - Pure electric bus system device for recovering kinetic energy - Google Patents
Pure electric bus system device for recovering kinetic energy Download PDFInfo
- Publication number
- CN107745638B CN107745638B CN201711048023.XA CN201711048023A CN107745638B CN 107745638 B CN107745638 B CN 107745638B CN 201711048023 A CN201711048023 A CN 201711048023A CN 107745638 B CN107745638 B CN 107745638B
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- Prior art keywords
- brake disc
- plate
- shell body
- brake
- friction plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a braking capacity recovery device of a pure electric bus, which comprises a motor, a battery, a speed reducer, a whole vehicle controller and a regenerative braking control device, wherein the regenerative braking control device comprises a brake, and the brake comprises a friction plate, a brake disc, a propelling rod and a shell body; the pushing rod pushes the brake disc to be close to or far away from the friction plate, and the brake disc is connected to the shell body through the nut piston; the pushing rod pushes the friction plate to translate to be close to or far away from the brake disc, and the pushing rod is further provided with a limiting sleeve, wherein the limiting sleeve is provided with two longitudinal connecting parts, and the connecting parts are fixedly connected with the shell body. The recovery device shell body has the advantages of small volume, reasonable design of content, compact matching structure of the brake disc and the friction plate and excellent braking capability; the friction plate has the advantages of excellent heat dissipation structure, good silencing effect, firm connection, reasonable structure and good control effect; the brake disc is firmly assembled and convenient to maintain.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a braking mechanism in a braking capacity recovery system of a pure electric bus.
Background
The light weight is the development direction of the automobile industry, the electric automobile, especially large-scale pure electric passenger car is higher to the lightweight requirement of each spare part, current passenger car braking force recovery device, when the vehicle braking, the braking demand of driver is discerned according to the displacement of brake pedal through the regenerative braking electronic control unit, calculate the size of current motor regenerative braking force according to motor, battery, the real-time state information of car that wheel speed sensor obtained, the braking force of the whole state distribution front and back axle braking force of judgement vehicle and drive wheel motor, distribute braking force to each wheel through pressure adjusting device, reach the purpose of braking parking, wherein, the cooperation of brake disc and friction disc is the device that realizes the braking parking eventually, the cooperation mechanism of current brake disc and friction disc still has the further weight-reducing potential.
Disclosure of Invention
In view of the above, the present invention aims to provide a braking capability recovery device for a pure electric passenger car, so as to achieve the purpose of further reducing the weight of the braking structure and optimizing the matching structure.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a braking capacity recovery device of a pure electric bus comprises a motor, a battery, a speed reducer, a whole vehicle controller and a regenerative braking control device, wherein the regenerative braking control device comprises a brake, and the brake comprises a friction plate, a brake disc, a pushing rod and a shell body;
the friction plate comprises a back plate and a friction material plate, the inner side of the back plate is also provided with a silencing plate, a rotor of the motor is connected with a brake nut through a transmission mechanism, the end part of a threaded mandrel at the end part of the brake nut is used for braking the friction plate, the motor is connected with the brake nut through a pushing rod, the pushing rod pushes the brake disc to be close to or far away from the friction plate, and the brake disc is connected on the shell body through a nut piston;
the outer edge of the friction material sheet layer of the friction sheet is positioned on the same plane with the highest position of the brake disc, the pushing rod pushes the friction sheet to translate to be close to or far away from the brake disc, the other end of the pushing rod extends outwards out of the shell body to form a free end, the pushing rod is also provided with a limit sleeve, and the limit sleeve is provided with two longitudinal connecting parts which are fixedly connected with the shell body;
the shell body is provided with an accommodating space for accommodating the brake disc and the friction plate and a clamping support for bearing the brake disc and the nut piston, the clamping support can slide relative to the shell body along the axis direction of the brake disc, the clamping support can bear the brake disc to enable the brake disc to be extruded with the friction plate, the clamping support also comprises an elastic shaft, the elastic shaft is matched with a connecting groove of the brake disc in a direction through a protruding connecting part at the end part, and when the clamping support is inserted into the shell body, the protruding connecting part slides into the connecting groove and is locked in the connecting groove.
Further, a limiting fin is arranged on the inner side of the limiting sleeve of the pushing rod, a limiting sliding groove matched with the limiting fin is formed in the pushing rod, and a hot melting layer is arranged on the inner side of the limiting sliding groove.
Further, the connecting groove of the brake disc is a trapezoid groove.
Further, the shell body comprises a top plate, side plates and an outer guard plate, wherein the top plate and the side walls are integrally formed, and the outer guard plate is fixed on the side plates through bolts.
Furthermore, the elastic shaft is a fixed shaft, the front end and the rear end of the elastic shaft are connected with the inner wall of the outer guard plate, and the inner wall of the outer guard plate is provided with a bearing for limiting the elastic shaft.
Compared with the prior art, the pure electric passenger car braking capability recovery device has the following advantages: the recovery device shell body has smaller volume, reasonable design of content, compact matching structure of the brake disc and the friction plate and excellent braking capability; the friction plate has the advantages of excellent heat dissipation structure, good silencing effect, firm connection, reasonable structure and good control effect; the brake disc is firmly assembled and convenient to maintain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute an undue limitation on the invention. In the drawings:
FIG. 1 is a schematic view of a brake according to an embodiment of the present invention;
fig. 2 is a schematic partial structure of a card holder according to an embodiment of the invention.
Reference numerals illustrate:
10-a shell body; 11-an accommodating space; 12-friction plate; 13-friction material sheets; 14-a back plate; 15-a sound deadening sheet; 16-a brake nut; 17-a pushing rod; 18-limiting sleeve; 19-a connection; 20-free end; 21-a brake disc; 22-clamping support; 23-an elastic shaft; 24-bump connection; 25-connecting grooves.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The technical scheme aims to solve the technical problems that: the brake structure is reasonably designed to realize the braking of the vehicle, reduce the weight of the brake and reduce the volume of the brake.
In order to solve the above technical problems, as shown in fig. 1, the present embodiment provides a braking capability recovery device for a pure electric passenger car, which includes a motor, a battery, a speed reducer, a vehicle controller, and a regenerative braking control device, wherein the regenerative braking control device includes a brake, and the brake includes a friction plate 12, a brake disc 21, a propulsion rod 17, and a housing body 10; the friction plate 12 comprises a back plate 14 and a friction material plate 13, a silencing plate 15 is further arranged on the inner side of the back plate 14, a rotor of a motor is connected with a brake nut 16 through a transmission mechanism, the friction plate 12 is braked at the end part of a threaded mandrel at the end part of the brake nut 16, the motor is connected with the brake nut 16 through a pushing rod 17, the pushing rod 17 pushes a brake disc 21 to be close to or far away from the friction plate 12, and the brake disc 21 is connected to the shell body 10 through a nut piston; the outer edge of the friction material 13 layer of the friction plate 12 is positioned on the same plane with the highest position of the brake disc 21, the pushing rod 17 pushes the friction plate 12 to translate close to or far away from the brake disc 21, the other end of the pushing rod 17 extends outwards out of the shell body 10 to form a free end 20, the pushing rod 17 is also provided with a limit sleeve 18, the limit sleeve 18 is provided with two longitudinal connecting parts 19, and the connecting parts 19 are fixedly connected with the shell body 10; the shell body 10 is provided with an accommodating space 11 for accommodating the brake disc 21 and the friction plate 12 and a clamping support 22 for bearing the brake disc 21 and the nut piston, the clamping support 22 can slide relative to the shell body 10 along the axial direction of the brake disc 21, the clamping support 22 can bear the brake disc 21 to enable the brake disc 21 to be pressed against the friction plate 12, the clamping support 22 also comprises an elastic shaft 23, as shown in fig. 2, the elastic shaft 23 is matched with a connecting groove 25 of the brake disc 21 in a direction through a protruding connecting part 24 at the end part, and when the clamping support 22 is inserted into the shell body 10, the protruding connecting part 24 slides into the connecting groove 25 and is locked in the connecting groove 25.
The technical effect of the technical scheme provided by the embodiment is as follows: the recovery device shell body 10 has smaller volume, reasonable design of content, compact matching structure of the brake disc 21 and the friction plate 12 and excellent braking capability; the friction plate 12 has the advantages of excellent heat dissipation structure, good silencing effect, firm connection of the friction plate 12, reasonable structure and good control effect; the brake disc 21 is firmly assembled and convenient to maintain.
The inner side of the limit sleeve 18 of the push rod 17 is provided with limit fins, the push rod 17 is provided with limit sliding grooves matched with the limit fins, and the inner side of each limit sliding groove is provided with a hot melting layer. The heat-fusible layer softens at high temperature to enhance the lubricity of the diameters of the push rod 17 and the stop collar 18.
The connecting groove 25 of the brake disc 21 is a trapezoid groove. The trapezoid groove connection is more stable.
The shell body 10 comprises a top plate, side plates and an outer guard plate, wherein the top plate and the side walls are integrally formed, and the outer guard plate is fixed on the side plates through bolts.
The elastic shaft 23 is a fixed shaft, the front end and the rear end of the elastic shaft 23 are connected with the inner wall of the outer guard plate, and the inner wall of the outer guard plate is provided with a bearing for limiting the elastic shaft 23.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides a pure electric passenger car braking ability recovery unit, includes motor, battery, reduction gear, whole car controller and regenerative braking controlling means, its characterized in that: the regenerative braking control device comprises a brake, wherein the brake comprises a friction plate, a brake disc, a pushing rod and a shell body;
the friction plate comprises a back plate and a friction material plate, the inner side of the back plate is also provided with a silencing plate, a rotor of the motor is connected with a brake nut through a transmission mechanism, the end part of a threaded mandrel at the end part of the brake nut is used for braking the friction plate, the motor is connected with the brake nut through a pushing rod, the pushing rod pushes the brake disc to be close to or far away from the friction plate, and the brake disc is connected on the shell body through a nut piston;
the outer edge of the friction material sheet layer of the friction sheet is positioned on the same plane with the highest position of the brake disc, the pushing rod pushes the friction sheet to translate to be close to or far away from the brake disc, the other end of the pushing rod extends outwards out of the shell body to form a free end, the pushing rod is also provided with a limit sleeve, and the limit sleeve is provided with two longitudinal connecting parts which are fixedly connected with the shell body;
the shell body is provided with an accommodating space for accommodating the brake disc and the friction plate and a clamping support for bearing the brake disc and the nut piston, the clamping support can slide relative to the shell body along the axis direction of the brake disc, the clamping support can bear the brake disc to enable the brake disc to be extruded with the friction plate, the clamping support also comprises an elastic shaft, the elastic shaft is matched with a connecting groove of the brake disc through a convex connecting part at the end part, and when the clamping support is inserted into the shell body, the convex connecting part slides into the connecting groove and is locked in the connecting groove;
the inner side of the limit sleeve of the push rod is provided with a limit fin, the push rod is provided with a limit chute matched with the limit fin, and the inner side of the limit chute is provided with a hot melting layer;
the connecting groove of the brake disc is a trapezoid groove;
the shell body comprises a top plate, a side plate and an outer guard plate, wherein the top plate and the side plate are integrally formed, and the outer guard plate is fixed on the side plate through bolts; the elastic shaft is a fixed shaft, the front end and the rear end of the elastic shaft are connected with the inner wall of the outer guard plate, and the inner wall of the outer guard plate is provided with a bearing for limiting the elastic shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048023.XA CN107745638B (en) | 2017-10-31 | 2017-10-31 | Pure electric bus system device for recovering kinetic energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048023.XA CN107745638B (en) | 2017-10-31 | 2017-10-31 | Pure electric bus system device for recovering kinetic energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107745638A CN107745638A (en) | 2018-03-02 |
| CN107745638B true CN107745638B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711048023.XA Active CN107745638B (en) | 2017-10-31 | 2017-10-31 | Pure electric bus system device for recovering kinetic energy |
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| Country | Link |
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| CN (1) | CN107745638B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099086B (en) * | 2018-08-10 | 2021-05-11 | 北京万高众业科技股份有限公司 | Floating brake pad renovating process |
| CN110077370A (en) * | 2019-05-17 | 2019-08-02 | 杭州圣檀服饰有限公司 | A kind of auto-navigation system |
Citations (8)
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|---|---|---|---|---|
| CN103879916A (en) * | 2012-12-21 | 2014-06-25 | 株式会社日立制作所 | Brake For Hoist Of An Elevator |
| CN103939501A (en) * | 2013-01-17 | 2014-07-23 | 马映辉 | Gap-adjusting reinforcement and actuation multi-cam multi-brake-shoe dual-cooling brake |
| CN204222883U (en) * | 2014-11-27 | 2015-03-25 | 平遥县聚瑞机电设备有限公司 | The brake system of trolley mining electric locomotive |
| CN106103166A (en) * | 2013-12-20 | 2016-11-09 | 福乐尼·乐姆宝公开有限公司 | There is the vehicle wheel component of motor and Vehicular brake device |
| CN106164526A (en) * | 2013-12-30 | 2016-11-23 | 底盘制动系统国际有限公司 | It is included under double servo pattern drum brake system and the vehicle being associated and the assemble method of the parking brake worked |
| CN106218605A (en) * | 2016-08-25 | 2016-12-14 | 简式国际汽车设计（北京）有限公司 | A kind of parking brake |
| CN106438764A (en) * | 2015-08-07 | 2017-02-22 | 爱康保健健身有限公司 | Emergency stop with magnetic brake for an exercise device |
| CN207510231U (en) * | 2017-10-31 | 2018-06-19 | 天津交通职业学院 | Pure electric coach stopping power retracting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW484551U (en) * | 2000-10-02 | 2002-04-21 | Robert J Seymour | Disk brake device |
| WO2009070060A1 (en) * | 2007-11-26 | 2009-06-04 | Husqvarna Ab | Chainsaw brake arrangement |
-
2017
- 2017-10-31 CN CN201711048023.XA patent/CN107745638B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879916A (en) * | 2012-12-21 | 2014-06-25 | 株式会社日立制作所 | Brake For Hoist Of An Elevator |
| CN103939501A (en) * | 2013-01-17 | 2014-07-23 | 马映辉 | Gap-adjusting reinforcement and actuation multi-cam multi-brake-shoe dual-cooling brake |
| CN106103166A (en) * | 2013-12-20 | 2016-11-09 | 福乐尼·乐姆宝公开有限公司 | There is the vehicle wheel component of motor and Vehicular brake device |
| CN106164526A (en) * | 2013-12-30 | 2016-11-23 | 底盘制动系统国际有限公司 | It is included under double servo pattern drum brake system and the vehicle being associated and the assemble method of the parking brake worked |
| CN204222883U (en) * | 2014-11-27 | 2015-03-25 | 平遥县聚瑞机电设备有限公司 | The brake system of trolley mining electric locomotive |
| CN106438764A (en) * | 2015-08-07 | 2017-02-22 | 爱康保健健身有限公司 | Emergency stop with magnetic brake for an exercise device |
| CN106218605A (en) * | 2016-08-25 | 2016-12-14 | 简式国际汽车设计（北京）有限公司 | A kind of parking brake |
| CN207510231U (en) * | 2017-10-31 | 2018-06-19 | 天津交通职业学院 | Pure electric coach stopping power retracting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107745638A (en) | 2018-03-02 |
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