阅读说明：本技术 一种轨道车辆能量回收系统 (railway vehicle energy recovery system ) 是由 李建松 孙金海 余心明 许大华 徐昆鹏 于 2019-09-26 设计创作，主要内容包括：一种轨道车辆能量回收系统,摩擦条设置在车厢的下部；摆臂的一端与固定连接在地面上的支撑座A铰接；第一旋转组件由摩擦轮、主动轮和第一传动轴组成,第一传动轴与摆臂的另一端可转动地连接；摩擦轮与摩擦条相配合；液压缸的底座与固定连接在地面上的支撑座B铰接,其活塞杆的端部与摆臂的中段铰接；第二旋转组件由从动轮、输出齿轮和第二传动轴组成,第二传动轴与固定在地面上的支撑座C可转动地连接,且第二传动轴与摆臂与支撑座A的铰点同轴心地设置；从动轮与主动轮驱动连接；辅助齿轮设置在输出齿轮的一侧,并与输出齿轮啮合,辅助齿轮中心的转轴的端部依次通过离合器、变速箱与发电机连接。该系统能有效回收轨道车辆进站制动时阶段的能量。(A energy recovery system for railway vehicles is composed of a friction strip at the lower part of carriage, a supporting seat A fixed to ground at end of swing arm, a -th rotary module consisting of friction wheel, drive wheel and drive axle, a drive axle connected to another end of swing arm in rotary mode, friction wheel matched with friction strip, hydraulic cylinder with a supporting seat B fixed to ground, a second rotary module consisting of driven wheel, output gear and second drive axle, a supporting seat C fixed to ground, a second drive axle coaxial with the pivot point of swing arm and supporting seat A, driven wheel connected to drive wheel, an auxiliary gear at side of output gear and engaged with output gear, and a generator connected to the end of rotary axle of auxiliary gear via clutch and gear box.)

The energy recovery system for the railway vehicles comprises a generator (9), a conversion circuit (10) and a storage battery pack (11), wherein the generator (9) is connected with the storage battery pack (11) through the conversion circuit (10), and is characterized by further comprising a friction strip (3), a swing arm (13), a rotating assembly (4), a hydraulic cylinder (14), a second rotating assembly (5), an auxiliary gear (7) and a controller;

the friction strip (3) is arranged on a girder of a carriage (2) in the railway vehicle and is positioned at the lower part of the carriage (2);

the swing arm (13) is positioned at the inner side of the running track (1) of the railway vehicle, and the end of the swing arm (13) is hinged with a support seat A fixedly connected to the ground;

the -th rotating assembly (4) consists of a friction wheel (401), a driving wheel (402) and a -th transmission shaft (403), wherein the friction wheel (401) and the driving wheel (402) are sleeved outside the -th transmission shaft (403) at intervals;

the base of the hydraulic cylinder (14) is hinged with a supporting seat B fixedly connected to the ground, and the end part of a piston rod of the hydraulic cylinder (14) is hinged with the middle section of the swing arm (13);

the second rotating assembly (5) consists of a driven wheel (501), an output gear (502) and a second transmission shaft (503), and the driven wheel (501) and the output gear (502) are sleeved outside the second transmission shaft (503) at intervals; the second transmission shaft (503) is rotatably connected with a supporting seat C fixed on the ground, and the second transmission shaft (503) and the hinge point of the swing arm (13) and the supporting seat A are coaxially arranged; the driven wheel (501) is in driving connection with the driving wheel (402);

the auxiliary gear (7) is rotatably arranged on the side of the output gear (502) through the rotating shaft at the center of the auxiliary gear and is meshed with the output gear (502), the end part of the rotating shaft at the center of the auxiliary gear (502) is connected with transmission shafts of the gearbox (8) through a clutch (12), and the other transmission shafts of the gearbox (8) are connected with a generator (9);

the controller is respectively connected with the clutch (12), the gearbox (8) and the electromagnetic directional valve of the control hydraulic cylinder (14).

2. The rail vehicle energy recovery system of claim 1, characterized in that the rail vehicle has or more cars (2).

3. Rail vehicle energy recovery system according to claim 1 or 2, characterized in that the rub strip (3) is a rack and the rub wheel (401) is a gear wheel meshing with the rub strip (3).

4. Rail vehicle energy recovery system according to claim 3, characterized in that the driven wheel (501) and the driving wheel (402) are both gears and are meshed with each other.

5. Rail vehicle energy recovery system according to claim 3, characterized in that the driven wheel (501) is connected with the driving wheel (402) through a flexible transmission medium (6).

6. Rail vehicle energy recovery system according to claim 5, characterized in that the driven wheel (501) and the driving wheel (402) are both pulleys, and the flexible transmission medium (6) is a belt.

7. Rail vehicle energy recovery system according to claim 5, characterized in that, the driven wheel (501) and the driving wheel (402) are both chain wheels, and the flexible transmission medium (6) is a chain.

8, railway vehicle energy recovery system, including generator (9), converting circuit (10) and storage battery (11), generator (9) are connected with storage battery (11) through converting circuit (10), characterized by, still include friction strip (3), swing arm (13), swivel assembly (4), pneumatic cylinder (14), second swivel assembly (5), auxiliary gear (7) and controller;

the friction strip (3) is arranged on a girder of a carriage (2) in the railway vehicle and is positioned at the lower part of the carriage (2);

the swing arm (13) is positioned at the inner side of the running track (1) of the railway vehicle, and the end of the swing arm (13) is hinged with a support seat A fixedly connected to the ground;

the -th rotating assembly (4) consists of a friction wheel (401), a driving wheel (402) and a -th transmission shaft (403), wherein the friction wheel (401) and the driving wheel (402) are sleeved outside the -th transmission shaft (403) at intervals;

the base of the hydraulic cylinder (14) is hinged with a supporting seat B fixedly connected to the ground, and the end part of a piston rod of the hydraulic cylinder (14) is hinged with the middle section of the swing arm (13);

the second rotating assembly (5) consists of a driven wheel (501) and a second transmission shaft (503), and the driven wheel (501) is sleeved outside the second transmission shaft (503); the second transmission shaft (503) is rotatably connected with a supporting seat C fixed on the ground, and the second transmission shaft (503) and the hinge point of the swing arm (13) and the supporting seat A are coaxially arranged; the driven wheel (501) is in driving connection with the driving wheel (402);

the end part of the second transmission shaft (503) is connected with transmission shafts of the gearbox (8) through a clutch (12), and the other transmission shafts of the gearbox (8) are connected with a generator (9);

the controller is respectively connected with the clutch (12), the gearbox (8) and the electromagnetic directional valve of the control hydraulic cylinder (14).

9. The rail vehicle energy recovery system of claim 8, characterized in that the rub strip (3) is a rack and the rub wheel (401) is a gear engaged with the rub strip (3).

10. The rail vehicle energy recovery system of claim 9, wherein the driven wheel (501) and the driving wheel (402) are gears and are meshed with each other.

Technical Field

The invention relates to the technical field of rail transit, in particular to an rail vehicle energy recovery system.

Background

With the continuous development of cities, the transportation modes are also continuously improved, and rail vehicles such as light rails, subways and the like become the main transportation modes of many cities at present. The energy consumption of the rail train is greatly increased while the urban traffic operation capacity is improved. Therefore, joint energy technologies such as train energy-saving operation control and regenerative braking are greatly concerned. The rail vehicle can produce a large amount of kinetic energy and convert the kinetic energy into heat energy in the braking process, and the braking system is seriously abraded while the energy is wasted. Related art currently discloses that a battery is arranged in a railway vehicle to recover braking electric energy and supply power to the railway vehicle. However, the braking electric energy generated when the rail vehicle brakes is very large, and if the braking electric energy is stored by the vehicle-mounted battery, a large number of batteries need to be installed on the rail vehicle, so that not only is the total weight of the rail vehicle seriously increased, but also the energy consumption for running the rail vehicle is influenced, and a lot of cost is increased.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides rail vehicle energy recovery systems, which can effectively recover energy of rail vehicles in the station-entering braking stage, effectively reduce the abrasion degree of a vehicle braking system, prolong the service life of the braking system, simultaneously, the system does not increase extra burden of the vehicles, can ensure passenger carrying capacity, can effectively recover energy of a plurality of vehicles, and can obviously reduce the manufacturing cost of the recovery system.

In order to achieve the above object, the present invention provides rail vehicle energy recovery systems, comprising a generator, a conversion circuit, a battery pack, a rubbing strip, a swing arm, a th rotating assembly, a hydraulic cylinder, a second rotating assembly, an auxiliary gear and a controller;

the generator is connected with the storage battery pack through a conversion circuit,

the friction strip is arranged on a girder of a carriage in the railway vehicle and is positioned at the lower part of the carriage;

the swing arm is positioned at the inner side of a running track of the railway vehicle, and the end of the swing arm is hinged with a support seat A fixedly connected to the ground;

the rotating assembly consists of a friction wheel, a driving wheel and a th transmission shaft, wherein the friction wheel and the driving wheel are sleeved outside the th transmission shaft at intervals;

the base of the hydraulic cylinder is hinged with a supporting seat B fixedly connected to the ground, and the end part of a piston rod of the hydraulic cylinder is hinged with the middle section of the swing arm;

the second rotating assembly consists of a driven wheel, an output gear and a second transmission shaft, and the driven wheel and the output gear are sleeved outside the second transmission shaft at intervals; the second transmission shaft is rotatably connected with a supporting seat C fixed on the ground, and the second transmission shaft and the hinge point of the swing arm and the supporting seat A are coaxially arranged; the driven wheel is in driving connection with the driving wheel;

the auxiliary gear is rotatably arranged on the side of the output gear through a rotating shaft at the center of the auxiliary gear and is meshed with the output gear, the end part of the rotating shaft at the center of the auxiliary gear is connected with transmission shafts of the gearbox through a clutch, and the other transmission shafts of the gearbox are connected with the generator;

and the controller is respectively connected with the clutch, the gearbox and the electromagnetic directional valve of the control hydraulic cylinder.

, the rail vehicle has or more cars.

And , in order to improve the energy recovery efficiency, the friction strip is a rack, and the friction wheel is a gear meshed with the friction strip.

preferably, the driven wheel and the driving wheel are both gears and are meshed with each other.

Preferably , the driven wheel is connected with the driving wheel through a flexible transmission medium.

preferably, the driven wheel and the driving wheel are both belt pulleys, and the flexible transmission medium is a belt.

preferably, the driven wheel and the driving wheel are both chain wheels, and the flexible transmission medium is a chain.

The invention also provides an energy recovery system for railway vehicles, which comprises a generator, a conversion circuit, a storage battery pack, a friction strip, a swing arm, a -th rotating assembly, a hydraulic cylinder, a second rotating assembly, an auxiliary gear and a controller, wherein the generator is connected with the storage battery pack through the conversion circuit;

the friction strip is arranged on a girder of a carriage in the railway vehicle and is positioned at the lower part of the carriage;

the swing arm is positioned at the inner side of a running track of the railway vehicle, and the end of the swing arm is hinged with a support seat A fixedly connected to the ground;

the rotating assembly consists of a friction wheel, a driving wheel and a th transmission shaft, wherein the friction wheel and the driving wheel are sleeved outside the th transmission shaft at intervals;

the base of the hydraulic cylinder is hinged with a supporting seat B fixedly connected to the ground, and the end part of a piston rod of the hydraulic cylinder is hinged with the middle section of the swing arm;

the second rotating assembly consists of a driven wheel and a second transmission shaft, and the driven wheel is sleeved outside the second transmission shaft; the second transmission shaft is rotatably connected with a supporting seat C fixed on the ground, and the second transmission shaft and the hinge point of the swing arm and the supporting seat A are coaxially arranged; the driven wheel is in driving connection with the driving wheel;

the end part of the second transmission shaft is connected with transmission shafts of the gearbox through a clutch, and the other transmission shafts of the gearbox are connected with a generator;

and the controller is respectively connected with the clutch, the gearbox and the electromagnetic directional valve of the control hydraulic cylinder.

And , in order to improve the energy recovery efficiency, the friction strip is a rack, and the friction wheel is a gear meshed with the friction strip.

preferably, the driven wheel and the driving wheel are both gears and are meshed with each other.

The friction strip is arranged at the lower part of the carriage, the -th rotating assembly controlled by the swing arm is arranged on the inner side of the running track, so that the friction wheel in the -th rotating assembly can be controlled to be in contact with the friction strip to recover braking energy when a railway vehicle enters the station, the second rotating assembly can transmit mechanical energy to the clutch and the gearbox through the action of the driven wheel and the driving wheel to further drive the generator to work so as to convert the recovered energy into electric energy, and the converted electric energy is stored in the storage battery pack through the conversion circuit.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembly of the rub strip with the car body of the present invention;

FIG. 3 is a schematic view of the swing arm and -th rotating assembly and hydraulic cylinder assembly of the present invention;

FIG. 4 is a schematic view of the assembly of the rotary module and the second rotary module of the exemplary embodiments of the present invention;

FIG. 5 is a schematic view of the assembly of a nd rotating group and a second rotating group in another embodiments of the present invention;

FIG. 6 is a schematic view of the assembly of the nd rotating assembly and the second rotating assembly of another embodiments of the present invention.

In the figure, 1, a running track, 2, a carriage, 3, a friction strip, 4, -th rotating assembly, 401, a friction wheel, 402, a driving wheel, 403, -th transmission shaft, 5, a second rotating assembly, 501, a driven wheel, 502, an output gear, 503, a second transmission shaft, 6, a flexible transmission medium, 7, an auxiliary gear, 8, a gearbox, 9, a generator, 10, a conversion circuit, 11, a storage battery, 12, a clutch, 13, a swing arm, 14 and a hydraulic cylinder are arranged.

Detailed Description

The invention is further described with reference to the following figures.