WO2022116590A1 - 一种转向架轴驱发电装置、转向架以及铁路车辆 - Google Patents
一种转向架轴驱发电装置、转向架以及铁路车辆 Download PDFInfo
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- WO2022116590A1 WO2022116590A1 PCT/CN2021/112412 CN2021112412W WO2022116590A1 WO 2022116590 A1 WO2022116590 A1 WO 2022116590A1 CN 2021112412 W CN2021112412 W CN 2021112412W WO 2022116590 A1 WO2022116590 A1 WO 2022116590A1
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- Prior art keywords
- bogie
- power generation
- plate
- generation device
- shaft
- Prior art date
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- 238000010248 power generation Methods 0.000 title claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 115
- 238000009434 installation Methods 0.000 claims description 45
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
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- 238000012544 monitoring process Methods 0.000 description 2
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- 238000005266 casting Methods 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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- 238000005303 weighing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Definitions
- the present disclosure relates to the technical field of railway vehicles, and in particular, to a bogie shaft-driven power generation device, a bogie, and a railway vehicle.
- the traditional centralized power supply method for locomotives is to conduct electric energy through the pantograph, and it is necessary to set up a power supply cable that runs through the train, and the electrical components required for railway freight cars are mostly various types of sensors, and the power consumption of electrical components is small.
- the retrofit of the vehicle is still a new vehicle, and the cost is higher.
- Other automatic power generation technologies at the shaft end of the bogie are difficult to adapt to the K4 and K5 bogies of the main types of general railway freight cars in my country. Therefore, a self-generating device for railway wagons with good adaptability, easy maintenance and use is developed to solve the power supply problem of railway wagons.
- the shaft-end power generation device in the prior art has the technical problems of low performance and reliability of the generator, and short service life.
- the existing bogie needs to be structurally transformed during installation, and cannot be adapted to the structure of the existing bogie. .
- a first aspect of the present disclosure provides a bogie shaft-driven power generation device, including a motor, a fixing mechanism, a driving pulley, a pulley assembly and a belt; wherein: the motor is mounted on the fixing mechanism, and the fixing mechanism It is connected with the side frame of the bogie and is located in the middle of the side frame; the driving wheel is mounted on the end of the wheel axle formed by the wheel pair of the bogie; the pulley assembly is arranged on the fixing mechanism , and is connected with the rotor of the motor; the belt is sleeved on the pulley assembly and the driving wheel.
- the fixing mechanism includes a base and a fixing plate, the fixing plate is connected with the side frame; the base is used to install the motor, and the base is arranged on the fixing On the plate, a cantilever beam structure is formed.
- the fixing plate includes an upper fixing plate and a lower fixing plate, the upper fixing plate is connected with the lower fixing plate to form an installation chamber, and the fixing plate passes through the installation chamber mounted on the side frame.
- the fixing mechanism further includes a reinforcing seat, one end of the reinforcing seat is disposed on the side frame, and the other end is connected with the cantilever end of the machine base, so that the side frame, the machine The seat and the reinforcing seat form a triangular support structure.
- the machine base includes a main plate and a side plate that are fixedly connected, the main plate is connected to the side frame through the lower fixing plate, and the side plate is connected to the reinforcing seat.
- the pulley assembly includes a driven pulley, a fixed shaft, a bearing and an outer cover, the driven pulley is mounted on the fixed shaft through the bearing, and the driven pulley is connected to the belt through the belt.
- the driving wheel is connected;
- the fixing shaft is fixedly installed on the fixing mechanism;
- the outer cover plate is rotatably connected with the fixing shaft, and the driven wheel and the rotor of the motor are respectively connected with the outer cover plate , to transmit torque.
- the motor and the pulley assembly are respectively disposed on two sides of the fixing mechanism.
- the fixed shaft is a hollow shaft, a mounting hole is opened in the fixing mechanism, and the rotor of the motor passes through the mounting hole and protrudes into one end of the fixed shaft;
- the outer cover plate includes a plate member and a transmission shaft fixedly connected with the plate member, the plate member is fixedly connected with the driven wheel, the transmission shaft extends into the other end of the fixed shaft, and the transmission shaft is connected to the rotor connect.
- the pulley assembly further includes an inner cover plate, the inner cover plate is disposed on the inner side of the outer cover plate, and is located between the outer end surface of the fixed shaft and the outer cover plate.
- the bogie shaft-driven power generation device further includes a belt tensioning mechanism, a mounting plate is provided on the fixing mechanism, the belt tensioning mechanism is mounted on the mounting plate, and the belt tensions The tightening mechanism is located between the driving pulley and the pulley.
- the belt tensioning mechanism includes an adjustment mechanism and a tensioning assembly, the adjustment mechanism is connected to the tensioning assembly through the base;
- the tensioning assembly includes a tensioning arm and a guide pulley , the tensioning arm is rotatably mounted on the fixing mechanism to form a lever mechanism, the guide wheel is arranged at the resistance end of the tensioning arm, and the guide wheel is connected to the fixing mechanism or the bogie
- the side frames are in rolling contact, and one side of the power end of the tensioning arm is pressed against the pulley component, and the other side is pressed against the adjustment mechanism.
- the adjustment mechanism includes a screw rod, a nut and an elastic member, the screw rod is mounted on the mounting plate, one end of the screw rod is locked by the nut, and the other end abuts the tension arm , the elastic piece is sleeved on the screw rod, and the elastic piece is located between the mounting plate and the tensioning arm.
- the adjustment mechanism further includes a spring washer sleeved on the screw rod, and the elastic member is located between the mounting plate and the spring washer.
- the fixing mechanism further includes a backing plate, the backing plate is located on the inner side of the side frame, and the backing plate, the side frame and the lower fixing plate are connected by a connecting piece.
- a bogie including the above-mentioned bogie shaft drive power generation device.
- the fixing mechanism of the bogie axle drive power generation device is provided on the inclined arm of the side frame, and the inclined arm is located between the wheelset installation position and the bolster installation position.
- a third aspect of the present disclosure provides a railway vehicle including the above bogie.
- the motor of the bogie shaft-driven generator is installed on the fixing mechanism, and the fixing mechanism is connected with the side frame of the bogie and is located in the middle of the side frame.
- the structural space of the bogie itself is fully utilized. , and does not need to transform the structure of the existing bogie;
- the driving wheel is arranged at the end of the wheel shaft of the wheelset of the bogie, and rotates coaxially with the wheelset;
- the pulley assembly is arranged on the fixing mechanism and is connected with the rotor of the motor;
- the pulley assembly is connected with the driving pulley through a belt, and the wheel pair of the bogie drives the driving pulley to rotate.
- the rotation of the driving pulley is transmitted to the pulley assembly through the belt, which can drive the motor rotor to rotate, thereby realizing power generation.
- the power generation main body (motor and pulley assembly) of the bogie shaft-driven power generation device is connected with the side frame of the bogie through the fixing mechanism, and is located in the middle of the side frame, that is, at the wheelset installation position and the side frame. Between the bolster installation positions, it is an integrated arrangement.
- the power generation device in the prior art is an extended installation method. The installation of the generator needs to change the existing side frame structure, lengthen one end of the side frame or weld the generator suspension support at the end of the side frame, which is not suitable for the structure of the existing bogie. .
- the bogie shaft-driven power generation device When the bogie shaft-driven power generation device according to the embodiment of the present disclosure is applied to the existing bogie, since the integrated arrangement is adopted, it is arranged between the wheelset installation position and the bolster installation position, which can greatly reduce the power consumption of the shaft-driven power generation device. Occupy space, make full use of the existing structure of the bogie, and do not need to modify the existing bogie.
- the bogie provided by the present disclosure with the above-mentioned shaft-driven power generation device When the bogie provided by the present disclosure with the above-mentioned shaft-driven power generation device is applied to an existing railway vehicle, the above-mentioned shaft-driven power generation device generates stable and reliable power generation, and the railway freight car is solved by using one or more embodiments of the present disclosure. power supply problems, and equipment maintenance costs are low.
- FIG. 1 shows a schematic diagram of the installation of a bogie shaft drive power generation device according to one or more embodiments of the present disclosure
- FIG. 2 shows a schematic structural diagram of a bogie shaft drive power generation device according to one or more embodiments of the present disclosure
- FIG. 3 shows a schematic structural diagram of a bogie shaft drive power generation device according to one or more embodiments of the present disclosure
- FIG. 4 shows a schematic structural diagram of a pulley of a bogie shaft drive power generation device according to one or more embodiments of the present disclosure
- FIG. 5 shows a schematic structural diagram of a frame of a bogie shaft-driven power generator according to one or more embodiments of the present disclosure
- FIG. 6 shows a schematic structural diagram of a bogie according to one or more embodiments of the present disclosure.
- the present disclosure provides a bogie shaft drive power generation device.
- the bogie shaft-driven power generation device may include a motor 6, a fixing mechanism 5, a driving pulley 2, a pulley assembly 7 and a belt 3; wherein: the motor 6 is installed on the fixing mechanism 5, and the fixing mechanism 5 is connected to the bogie.
- the side frame 1 is located in the middle of the side frame 1.
- the structural space of the bogie itself is fully utilized, and there is no need to modify the structure of the existing bogie;
- the end of the wheel shaft rotates coaxially with the wheel pair;
- the pulley assembly 7 is arranged on the fixing mechanism 5 and is connected with the rotor of the motor 6;
- the pulley assembly 7 is connected with the driving wheel 2 through the belt 3, and is composed of the wheel pair of the bogie
- the driving wheel 2 is driven to rotate, the rotation of the driving wheel 2 is transmitted to the pulley assembly 7 through the belt 3, and the rotor of the motor 6 is driven to rotate, thereby realizing power generation.
- the power generation main body (the motor and the pulley assembly) is connected with the side frame 1 of the bogie through the fixing mechanism 5, and is located at the side frame 1
- the middle part that is to say, between the wheelset installation position and the bolster installation position, is an integrated arrangement.
- the power generation device in the prior art is an extended installation method. The installation of the generator needs to change the existing side frame structure, lengthen one end of the side frame or weld the generator suspension support at the end of the side frame, which is not suitable for the structure of the existing bogie. .
- the space occupied by the shaft-driven power generation device is greatly reduced, the existing structure of the bogie is fully utilized, and the existing bogie does not need to be transformed. Therefore, the problems of the prior art that cannot be adapted to the existing bogie structure, the power generation performance is unstable, and the service life are short can be solved.
- the above-mentioned shaft-driven power generator can generate stable and reliable power, can solve the power supply problem of railway freight cars, and has low equipment maintenance cost.
- a bogie shaft-driven power generation device is provided.
- the bogie shaft-driven power generation device is suitable for various railway freight car bogies.
- the following is an example of a bogie applied to a three-piece bogie. Taking the bogie shaft drive power generation device as an example, the structure of the bogie shaft drive power generation device will be described in detail.
- the bogie shaft drive power generation device may include a motor 6, a fixing mechanism 5, a driving pulley 2, a pulley assembly 7 and a belt 3;
- the shaft rotates; the motor 6 is installed on the fixing mechanism 5, the motor 6 is arranged on the lower side of the side frame 1 through the fixing mechanism 5, the motor 6 is located between the driving wheel and the side frame 1, and is arranged in the driving wheel 2 close to the upper square hole of the side frame 1
- the square hole 10 is the bolster installation position
- the pulley assembly 7 is also arranged on the fixing mechanism 5 and is connected to the rotor of the motor 6; the pulley assembly 7 is connected with the driving wheel 2 through the belt 3, and the wheel pair drives.
- the belt 3 transmits the rotation of the driving wheel 2 to the pulley assembly 7, and drives the rotor of the motor 6 to rotate, thereby realizing power generation.
- the driving wheel 2 is fixed on the end of the axle with the original shaft end bolts, that is, the driving wheel 2 at the shaft end can provide the installation interface of the driving wheel 2 through the original three holes of the bearing end cover by using bolts, instead of It is necessary to change the structure of the three bogies.
- the driving wheel 2 is fixedly connected to the axle. When the vehicle is towed, the axle rotates to bring power, and this power is transmitted to the pulley component 7 suspended under the side frame 1 of the bogie through the belt 3, and then transmitted to the generator 6.
- the generator 6 and the pulley assembly 7 can be fixed under the side frame 1 by the fixing mechanism 5 .
- the fixing mechanism 5 may include a base 52 and a lower fixing plate 54 , the base 52 is vertically arranged on the lower fixing plate 54 , and the lower fixing plate 54 is fixed to the lower part of the side frame 1 by bolts.
- the fixing mechanism 5 may further include an upper fixing plate 53.
- the lower fixing plate 54 is a flat plate and is fixed on the lower side of the middle of the side frame 1. In order to cover the fixing plate on the side frame 1, a groove matching the structure of the side frame 1 needs to be opened in the middle of the upper fixing plate 53.
- an installation chamber is formed in the middle, and the size and structure of the installation chamber are determined by the structure of the side frame 1 .
- the shape and size of the formed installation chamber are not limited, and it only needs to be fixed in accordance with the structure of the side frame 1 .
- the upper fixing plate 53 and the lower fixing plate 54 are fastened by bolts and nuts to form an installation chamber, which is fixed on the side frame through the installation chamber, and the upper fixing plate 5 passes through the triangular hole on the side frame 1 11 is connected with the lower fixing plate 54, which can make the structure of the fixing mechanism more reasonable.
- the motor is installed on the base 52 through the motor mounting seat.
- the motor mounting seat has a flat boss. When installing, it is inserted into the side frame hole itself on the side frame.
- the side frame hole is a triangular hole on the inclined arm, which can provide the fixed support of the generator. , the overall design is simple, reliable and low cost.
- the base 52 may include a main board 521 and a side board 522 which are fixedly connected.
- the side board 522 is arranged on the main board 521
- the main board 521 is arranged on the side frame 1 through the lower fixing board 54 .
- the main plate 521 is perpendicular to the lower fixing plate 54
- the side plate 522 is perpendicular to the main plate 521
- the adjustment hole 103 is formed on the side plate 522
- the main plate 521 is formed with a plurality of holes.
- the side frame 1 is provided with a wedge seat 8; the top of the wedge seat 8 is symmetrically arranged on both sides of the side frame 1 , and the wedge seat 8 is provided with a key hole 9 .
- the fixing mechanism may further include a reinforcing seat 51 for matching with the key hole 9 of the wedge seat 8 of the three-piece bogie.
- One end of the reinforcing seat 51 is disposed on the side frame 1 and the other One end is connected to the cantilever end of the machine base 52 , so that the side frame 1 , the machine base 52 and the reinforcing base 51 form a triangular support structure.
- the side plate 522 is connected with the reinforcing seat 51, the reinforcing seat 51 is fixed on the keyhole 9 of the side frame 1 by bolts, the main plate 521 is vertically welded on the lower fixing plate 54, and the reinforcing seat 51 is vertically welded on the side plate
- the side frame 1, the frame 52 and the reinforcing seat 51 form a triangular support structure, which improves the mechanical strength of the fixing mechanism 5, so that the fixing mechanism 5 can withstand the traction force and impact brought by the generator 6 and the pulley 7 and the power transmission. force.
- the fixing mechanism 5 may further include a backing plate 55, the backing plate 55 is located on the inner side of the side frame 1, the lower fixing plate 54 is fixed under the side frame 1 by bolts and nuts, and the bolts and nuts are connected The backing plate 55 , the side frame 1 and the lower fixing plate 54 .
- the backing plate 55 can eliminate the disadvantage of easy loosening of the bolts caused by the uneven casting plane inside the side frame 1, so that the bolts fixing the lower fixing plate 53 can be flat and firm.
- the pulley assembly 7 may include a driven pulley 71, a fixed shaft 72, a bearing 73 and an outer cover plate 74.
- the driven pulley 71 is mounted on the fixed shaft 72 through the bearing 73, and the driven pulley 72 is connected with the driving pulley 2 through the belt 3;
- the fixed shaft 72 is fixedly installed on the fixing mechanism 5;
- the outer cover 74 is rotatably connected with the fixed shaft 72, and the driven wheel 71 and the rotor of the motor 6 are respectively connected with the outer cover 74 to transmit torque.
- the rotor of the motor 6 does not need to carry the weight of the pulley assembly 7, so as to ensure the stable operation of the motor 6, the bogie shaft drive power generation device provided in this embodiment, the motor 6 and the The pulley assemblies 7 are respectively arranged on both sides of the fixing mechanism 5 .
- the fixed shaft 72 is a hollow shaft, a mounting hole is opened in the fixing mechanism 5, and the rotor of the motor 6 passes through the mounting hole and extends into one end of the fixed shaft 72;
- the plate is fixedly connected with the driven wheel 71 , the transmission shaft extends into the other end of the fixed shaft 72 , and the transmission shaft is connected with the rotor of the motor 6 .
- the main board 521 is provided with mounting holes
- the fixed shaft 72 is a hollow shaft, and is fixedly installed on the main board 521 of the machine base 52
- the bearing 73 can be a double row deep groove ball bearing
- the outer ring of the bearing 73 is connected to the The driving wheel 2 is in transition fit
- the inner ring of the bearing 73 is in an interference fit with the fixed shaft 72 .
- the outer cover plate 74 is arranged on the outer end face of the fixed shaft 72, and the transmission shaft of the outer cover plate 74 passes through the hollow shaft of the fixed shaft 72; the rotor of the motor 6 passes through the mounting hole on the base 52 and the hollow shaft of the fixed shaft 72 and The transmission shaft of the outer cover plate 74 is connected by a key to realize the connection between the outer cover plate 74 and the rotor of the motor 6 .
- the outer cover 74 and the driven wheel 71 are fixed together with bolts, and the outer cover 74, the fixed shaft 72 and the driven wheel 71 form a sealed cavity, which can prevent dust and debris from entering the moving part. Therefore, the outer cover plate not only acts as a seal, but also transmits torque.
- the torque transmission path is as follows: the belt 3 transmits the power of the driving pulley 2 to the driven pulley 71, and the driven pulley 71 then transmits the power torque to the outer cover plate through bolts. 74.
- the end of the transmission shaft on the outer cover plate 74 is keyed to the rotor of the generator 6, so as to realize the transmission of torque, drive the rotor to rotate, and realize power generation.
- the driven wheel is installed through a hollow shaft, the hollow shaft is fixed on the fixing mechanism, the weight of the motor and the pulley components are carried by the fixing mechanism, and the motor rotor does not carry the weight, which can improve the reliability and service life of the motor.
- the pulley assembly 7 may further include an inner cover plate 75 .
- the inner cover plate 75 is arranged on the inner side of the outer cover plate 74 , and is located on the outer end surface of the fixed shaft 72 and the outer cover plate 74 . between.
- the belt tensioning mechanism 4 can be provided under the side frame 1, the belt tensioning mechanism is provided on the side frame through the mounting plate provided on the fixing mechanism, and the belt tensioning mechanism is located between the driving pulley and the between the pulleys.
- the belt tensioning mechanism 4 can compress the belt 3 to provide the tensioning force of the belt 3 .
- the belt tensioning mechanism 4 can make the installation of the belt 3 easier.
- the belt tensioning mechanism 4 can be installed on the side frame 1 through the mounting plate provided on the fixing mechanism 5 , and the belt tensioning mechanism 4 is located between the driving pulley 2 and the pulley assembly 7 .
- the side plate 522 can be used as the mounting plate, one end of the belt tensioning mechanism 4 is arranged on the fixing mechanism 5 , and one end is in contact with the belt 3 . After the belt 3 is installed, the belt tensioning mechanism 4 increases the frictional force between the belt 3 and the driving pulley 2 and the pulley assembly 7 .
- the belt tensioning mechanism 4 includes an axially rotatable tensioning assembly 42 and a longitudinally movable adjustment mechanism 41 .
- the belt tensioning mechanism may further include an adjusting mechanism and a tensioning assembly, and the adjusting mechanism is connected to the tensioning assembly through the machine base;
- the tensioning assembly 42 may further include a tensioning arm 421 and a guide wheel 422,
- the tensioning arm 421 is rotatably mounted on the fixing mechanism 5 to form a lever mechanism, the guide wheel 422 is arranged at the resistance end of the tensioning arm 421, and the guide wheel 422 is in rolling contact with the fixing mechanism 5 or the side frame 1 of the bogie, and the tensioning arm
- One side of the power end of 421 presses against the pulley composition 7, and the other side presses against the adjustment mechanism 41.
- the guide pulley 422 is disposed on one end of the tensioning arm close to the belt 3 , one side of the power end of the tensioning arm 421 presses against the driven pulley 71 , and the other side presses against the adjusting mechanism 41 .
- the tensioning arm 421 can rotate around the axis through the hole on the main plate 521 to press or loosen the belt 3 .
- the adjusting mechanism 41 may include a longitudinally extending screw 414, an elastic member 412 and a nut 411.
- the screw 414 is mounted on the mounting plate, one end of the screw 414 is locked by the nut 411, and the other end is abutted against the tensioning arm 421.
- the elastic member 412 is sleeved on the mounting plate. on the screw 414 , and the elastic piece 412 is located between the mounting plate and the tensioning arm 421 .
- one end of the adjusting mechanism 41 is disposed on the base 52 , and the other end abuts the lower part of the tensioning arm 421 , and the pre-compression force of the elastic member 412 is adjusted by the movement of the nut 411 .
- one end of the screw rod 414 passes through the base 52 through which the adjustment hole 103 on the side plate 522 passes, and the other end of the screw rod 414 is in contact with the tensioning arm 421;
- the elastic member 412 is a spring sleeved on the screw rod 414;
- the nut 411 is an adjusting nut that is threadedly matched with the screw rod 414 .
- the adjustment mechanism 41 may further include a spring washer 413 sleeved on the screw rod 414, the elastic member 412 is located between the side plate 522 and the spring washer 413, and the elastic member 412 passes through the spring The pad 413 is fixed to the base 52 .
- the spring pad 413 sleeved on the screw rod 414 and the compression spring of the base 52 provide pre-compression force. Under the action of the elastic force of the spring, one end of the screw rod 414 presses against the tensioning arm 421 longitudinally. The tension arm 421 is restricted and guided to rotate around the axis in the hole 101 by the guide hole 102 . At this time, the guide pulley 422 presses the belt 3 and also has the function of guiding the belt 2 .
- the bogie shaft-driven power generation device can be applied to various railway freight car bogies, and is not limited to the three-piece bogie involved in FIG. 1 .
- the motor is installed on the side of the wheel away from the side frame.
- the installation of the generator needs to change the existing side frame structure, lengthen one end of the side frame or weld the generator suspension support at the end of the side frame. Adapt to the structure of the existing bogie.
- the shaft end driving wheel 2 can provide the installation interface of the driving wheel 2 through the original three holes on the bearing end cover by using bolts; the motor 6 is directly installed on the side frame 1, the side frame 1 provides the fixed support of the power generation device, and the overall design is simple, reliable and low in cost.
- the stator and the rotor are fixed separately. Due to the axial transmission and radial runout of the axle and the bearing saddle during operation, the gap between the stator and the rotor changes, which affects the performance and reliability of the generator; at the same time, the above-mentioned
- the overall weight of the generator is carried by the rotor and is directly connected to the axle end of the axle, increasing the weight of the axle will affect the running performance, and the direct connection between the rotor and the axle end, the generator and the axle have no buffer, affecting its reliability and service life.
- the components other than the driving wheel 2 are all installed under the bogie through the fixing mechanism 5, and the acting force is in the same direction as the gravity, so that the bogie shaft-driven power generation device has a high performance. Strong stability; at the same time, the pulley assembly 7 and the motor 6 are respectively arranged on both sides of the fixing mechanism 5 to form a fixed balance and further improve the stability.
- the motor 6 is integrally installed, and the outer shaft end cover 74 of the pulley assembly 7 is connected with the gap of the motor 6, so that the separation of the driven pulley 71 and the rotor shaft of the motor 6 can be realized, and the rotor shaft of the motor 6 does not carry the pulley assembly 7. weight, the reliability and service life of the generator 6 can be improved.
- a bogie in a second aspect of the present disclosure, can be any bogie in the prior art, such as a three-piece bogie, a frame bogie, and the like.
- the bogie according to the embodiment of the present disclosure is also provided with the above-mentioned bogie shaft drive power generation device. Since the specific structure of the bogie is not improved, other structures of the bogie can be referred to. Existing technologies are not described here. Refer to the first aspect of the present disclosure for the specific structure of the bogie shaft-driven power generation device, which will not be repeated here.
- the following takes the three-piece bogie as an example to further describe the bogie according to the embodiment of the present disclosure.
- the three-piece bogie may include a bolster composition, a wheelset composition, a side frame composition, an axle box device, an elastic suspension system and a braking device, wherein: the side frame composition may include two side frames.
- the cross-section of each part of the side frame is made into a trough or hollow box, and there is a square hole 10 in the longitudinal center of the side frame.
- the square hole 10 is the bolster installation position, which is used to install the bolster. It is the wheelset installation position, which is used to install the wheelset; the wheelset installation position and the bolster installation position are connected by the inclined arm 12.
- Triangular holes 11 are provided on the inclined arms 12 on both sides of the bolster installation position, and the triangular holes 11 are located between the wheelset installation position and the bolster installation position; the axle box device connects the wheelset composition with the side frame composition, and the bolster
- the composition connects two side frames 1; the side frame 1 is provided with a wedge seat 8; the top of the wedge seat 8 is symmetrically arranged on both sides of the side frame 1, and the wedge seat 8 is provided with a key hole 9.
- the bogie shaft-driven power generation device is arranged in the middle of the side frame 1
- the fixing mechanism 5 is arranged between the wheelset installation position and the bolster installation position of the side frame 1
- one end of the reinforcing frame 51 is installed on the stop key
- one end is welded with the side plate 522 of the machine base 52
- the main board 521 of the machine base 52 is welded on the lower fixing plate 54
- the lower fixing plate 54 is vertically installed on the inclined arm 12 of the side frame 1 through bolts and nuts
- the installation chamber between 53 and the lower fixing plate 54 passes through the triangular hole on the inclined arm 12, and is covered on the inclined arm 12.
- the upper fixing plate 53 and the lower fixing plate 54 are fixed by bolts and nuts.
- Components other than the fixing mechanism 5 The installation method and structure are the same as those in Embodiment 1, and will not be described in detail in this embodiment.
- the bogie according to the embodiment of the present disclosure has the above-mentioned bogie shaft-driven power generation device, it also has the technical effect of the above-mentioned bogie shaft-driven power generation device.
- the above-mentioned bogie shaft-driven power generation device can be installed without changing the original structure or adding installation holes, which can affect the solution of the power supply problem of railway freight cars, and the maintenance cost is high. low, and the power generation is stable and reliable.
- a railway vehicle in a third aspect of the present disclosure, can be any existing railway vehicle, such as a general-purpose freight car such as a gondola car, a box car, and a flat car, or a special-purpose freight car such as a tank car, a refrigerated car, an ore car, a cement car, a live fish car, a special car, and a long-sized cargo.
- the railway vehicle according to the embodiment of the present disclosure is equipped with the bogie according to the embodiment of the present disclosure, that is, all the bogies of the above-mentioned railway vehicle adopt the above-mentioned bogie.
- One or part of the bogie is provided as the bogie described above. The specific usage form is not limited by the present disclosure.
- the bogie shaft-driven power generation device can be fully adapted to the installation of the general main type bogie of railway freight cars in my country without changing the structure of the bogie, and is suitable for frame type and three-piece type It will have an impact on the structure of the bogie.
- the driving wheel at the shaft end can provide the installation interface of the driving wheel through the original three holes on the bearing end cover by using bolts; the installation chamber of the fixing mechanism has a flat boss, which directly covers the existing three holes.
- the side frame holes on the large bogie or the inclined arms of the bogie can provide fixed support for the generator, and the overall design is simple, reliable and low in cost.
- the outer shaft end cover composed of the pulley is connected with the gap of the motor rotor, so as to realize the separation of the pulley and the rotor shaft of the motor, and the rotor shaft does not need to carry the weight of the pulley , improve generator reliability.
- the motor is installed on the outside of the end of the bogie to the lower side of the middle of the side frame, and the bogie shaft-driven power generation device is arranged on the side through the fixing mechanism.
- the middle part of the frame is integrated with the existing bogie; at the same time, a reinforced machine base is installed on the key hole of the side frame to fix the belt tensioning mechanism and the fixing mechanism, no need to expand the end space, and no need to change the original side frame Instead, it makes full use of the original structure of the side frame.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (17)
- 一种转向架轴驱发电装置,包括电机、固定机构、主动轮、带轮组件和皮带;其中:所述电机安装在所述固定机构上,所述固定机构与所述转向架的侧架连接,并且位于所述侧架的中部;所述主动轮安装在所述转向架的轮对组成的轮轴端部;所述带轮组件设置在所述固定机构上,并且与所述电机的转子连接;所述皮带套装于所述带轮组件与所述主动轮上。
- 如权利要求1所述的转向架轴驱发电装置,其中:所述固定机构包括机座和固定板件,所述固定板件与所述侧架连接;所述机座用于安装所述电机,所述机座设置在所述固定板件上,形成悬臂梁结构。
- 如权利要求2所述的转向架轴驱发电装置,其中:所述固定板件包括上固定板和下固定板,所述上固定板与所述下固定板连接,构成一个安装腔室,所述固定板件通过所述安装腔室安装在所述侧架上。
- 如权利要求3所述的转向架轴驱发电装置,其中:所述固定机构还包括加强座,所述加强座一端设置在所述侧架上、另一端与所述机座的悬臂端连接,以使所述侧架、所述机座与所述加强座构成三角形支撑结构。
- 如权利要求4中所述的转向架轴驱发电装置,其中:所述机座包括固定连接的主板和侧板,所述主板通过所述下固定板与所述侧架连接,所述侧板与所述加强座连接。
- 如权利要求1-5任一项所述的转向架轴驱发电装置,其中:所述带轮组件包括从动轮、固定轴、轴承和外盖板,所述从动轮通过所述轴承安装于所述固定轴上,并且所述从动轮通过所述皮带与所述主动轮连接;所述固定轴固定安装在所述固定机构上;所述外盖板与所述固定轴转动连接,所述从动轮和所述电机的转子分别与所述外盖板连接,用以传递转矩。
- 如权利要求6所述的转向架轴驱发电装置,其中:所述电机与所述带轮组件分别设置于所述固定机构的两侧。
- 如权利要求7所述的转向架轴驱发电装置,其中:所述固定轴为空心轴,所述固定机构中开设有安装孔,所述电机的转子穿过所述安装孔、伸入所述固定轴的一端中;外盖板包括板件和与所述板件固连的传动轴,所述板 件与所述从动轮固定连接,所述传动轴伸入所述固定轴的另一端中,并且所述传动轴与所述转子连接。
- 如权利要求8所述的转向架轴驱发电装置,其中:所述带轮组件还包括内盖板,所述内盖板设置在所述外盖板的内侧,并且位于所述固定轴的外端面和所述外盖板之间。
- 如权利要求6所述的转向架轴驱发电装置,其中:所述转向架轴驱发电装置还包括皮带张紧机构,所述固定机构上设置有安装板,所述皮带张紧机构安装在所述安装板上,并且所述皮带张紧机构位于所述主动轮和所述带轮组成之间。
- 如权利要求10所述的转向架轴驱发电装置,其中:所述皮带张紧机构包括调节机构和张紧组件,所述调节机构穿过所述机座与所述张紧组件连接;所述张紧组件包括张紧臂和导轮,所述张紧臂转动安装于所述固定机构上,构成杠杆机构,所述导轮设置在所述张紧臂的阻力端,并且所述导轮与所述固定机构或者所述转向架的侧架滚动接触,所述张紧臂的动力端的其中一侧抵紧所述带轮组成、另一侧抵紧所述调节机构。
- 如权利要求11所述的转向架轴驱发电装置,其中:所述调节机构包括螺杆、螺母和弹性件,所述螺杆安装于所述安装板上,所述螺杆的一端通过所述螺母锁紧、另一端抵接所述张紧臂,所述弹性件套装于所述螺杆上,并且所述弹性件位于所述安装板与所述张紧臂之间。
- 如权利要求12所述的转向架轴驱发电装置,其中:所述调节机构还包括套装于所述螺杆上的弹簧垫,所述弹性件位于所述安装板与所述弹簧垫之间。
- 如权利要求3所述的转向架轴驱发电装置,其中:所述固定机构还包括垫板,所述垫板位于所述侧架的内侧,所述垫板、所述侧架和所述下固定板通过一连接件连接。
- 一种转向架,包括权利要求1-14中任一项所述的转向架轴驱发电装置。
- 如权利要求15所述的转向架,其中:所述转向架轴驱发电装置的所述固定机构设置在所述侧架的斜臂上,所述斜臂位于轮对安装位与摇枕安装 位之间。
- 一种铁路车辆,包括权利要求15或16所述的转向架。
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CN112550339B (zh) | 2022-10-04 |
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