CN110962873A - High-power permanent magnet direct-drive bogie and rapid passenger locomotive - Google Patents
High-power permanent magnet direct-drive bogie and rapid passenger locomotive Download PDFInfo
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- CN110962873A CN110962873A CN201811140814.XA CN201811140814A CN110962873A CN 110962873 A CN110962873 A CN 110962873A CN 201811140814 A CN201811140814 A CN 201811140814A CN 110962873 A CN110962873 A CN 110962873A
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- seat
- shock absorber
- motor
- bogie
- brake
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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
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- 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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- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
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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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/308—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating damping devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
Abstract
A high-power permanent-magnet direct-drive bogie and a rapid passenger locomotive are provided. The frame has opposite first and second surfaces and includes a pair of side beams, a plurality of cross beams connected between the pair of side beams, and a draft sill. The driving mechanism comprises a motor, a coupler and a hanging device, the motor is installed on the second surface of the framework through the hanging device, and the motor is a high-power permanent magnet direct-drive motor. The traction mechanism comprises a traction rod, and a vehicle body traction support and a bogie traction support which are respectively connected to the two ends of the traction rod, wherein the bogie traction support is connected with the traction beam. The brake mechanism comprises a brake and a brake disc, the brake disc is arranged on a wheel, and the brake is connected with the brake disc and the cross beam. The suspension mechanism comprises a primary suspension device and a secondary suspension device, the primary suspension device is arranged between the wheel and the second side face, and the secondary suspension device is arranged on the first side face.
Description
Technical Field
The invention relates to a wheel pair driving system of a rail locomotive vehicle, in particular to a direct-drive transmission mechanism.
Background
In recent years, in the domestic rail transit industry and related scientific research institutes, direct-drive driving related technologies have been researched, and although direct-drive wheel sets with motor power less than 600kw are applied to foreign subways, light rails and high-speed rails, the domestic subways and light rails just start to carry out research and development work on the direct-drive wheel sets.
The railway passenger locomotives in China all adopt an asynchronous motor driving technology, for example, a rapid passenger locomotive bogie adopting a traditional hollow shaft six-connecting rod transmission mechanism, and because of the existence of a gearbox transmission system of the asynchronous motor driving technology, the gear transmission efficiency loss of about 2 percent is inevitable, and meanwhile, the problems of driving noise, lubrication, sealing and the like are brought. At present, research work related to direct-drive wheel sets is not carried out on locomotives at home and abroad, and the locomotive bogie technology of the permanent-magnet direct-drive driving technology is still in a blank state.
Therefore, how to solve one of the problems of the prior art is really an urgent problem to be solved in the field.
Disclosure of Invention
Based on the problems, the invention provides an energy-saving, low-application-cost and environment-friendly high-power permanent magnet direct-drive bogie.
In order to achieve the purpose, the invention provides a high-power permanent magnet direct-drive bogie which comprises a framework, a plurality of wheel pairs, a driving mechanism, a traction mechanism, a braking mechanism and a suspension mechanism.
The frame has opposite first and second surfaces and includes a pair of side beams, a plurality of cross beams connected between the pair of side beams, and a draft sill. Each of the plurality of wheelsets includes an axle and wheels connected to opposite ends of the axle. The driving mechanism comprises a motor, a coupler and a hanging device, the coupler is in transmission connection with the motor, the motor is installed on the second surface of the framework through the hanging device, and the motor is a high-power permanent magnet direct-drive motor. The traction mechanism comprises a traction rod, and a vehicle body traction support and a bogie traction support which are respectively connected to the two ends of the traction rod, wherein the bogie traction support is connected with the traction beam. The brake mechanism comprises a brake and a brake disc, the brake disc is arranged on a wheel, and the brake is connected with the brake disc and the cross beam. The suspension mechanism comprises a primary suspension device and a secondary suspension device, the primary suspension device is arranged between the wheel and the second side face, and the secondary suspension device is arranged on the first side face.
The invention further provides a rapid passenger locomotive which comprises a locomotive body and the high-power permanent magnet direct-drive bogie, wherein the locomotive body is arranged on the high-power permanent magnet direct-drive bogie.
Compared with the prior art, the invention has the beneficial effects that: the high-power permanent magnet direct-drive bogie can meet the high-power requirement of a locomotive, has the advantages of energy conservation, low application cost, environmental protection and the like, and can simplify the structure of a framework while simplifying a transmission system.
Drawings
Fig. 1 is a perspective view of a high-power permanent-magnet direct-drive bogie according to an embodiment of the invention.
Fig. 2 is a bottom perspective view of a frame of a high power permanent magnet direct drive bogie according to an embodiment of the invention.
Fig. 3 is a top perspective view of a frame of a high power permanent magnet direct drive bogie according to an embodiment of the present invention.
Fig. 4 is a perspective view of a trailing beam of the high power permanent magnet direct drive bogie according to an embodiment of the present invention.
Fig. 5 is a perspective view of a wheel set of a high-power permanent-magnet direct-drive bogie according to an embodiment of the invention.
Fig. 6 is a perspective view of a driving mechanism of a high-power permanent-magnet direct-drive bogie according to an embodiment of the invention.
Fig. 7 is a cross-sectional view of a drive mechanism of a high-power permanent magnet direct drive bogie according to an embodiment of the invention.
Fig. 8 is a perspective view of a traction mechanism of a high-power permanent-magnet direct-drive bogie according to an embodiment of the invention.
Fig. 9 is a perspective view of a brake mechanism of a high-power permanent-magnet direct-drive bogie according to an embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. In the drawings, the thickness of regions and layers may be exaggerated for clarity. The same reference numerals denote the same or similar structures in the drawings, and thus detailed descriptions thereof will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
Green development is advocated in the current country, the principle of green low-carbon circulation is taken as a main principle, and a series of problems such as environmental friendliness, noise problem, energy conservation, consumption reduction, application cost and the like of railway locomotives in practical application are particularly considered by an application department. Therefore, it is particularly important to develop an energy-saving and environment-friendly locomotive. Based on the technical scheme, the invention provides a high-power permanent magnet direct-drive bogie.
As shown in fig. 1, the high-power permanent-magnet direct-drive bogie comprises a framework 1, a plurality of wheel pairs 2, a driving mechanism 3, a traction mechanism 6, a braking mechanism 7 and a suspension mechanism.
The frame 1 has opposite first and second surfaces S1 and S2, and the frame 1 includes a pair of side members 11, a plurality of cross members 12 connected between the pair of side members 11, and a draft sill 13. A plurality of wheel sets 2 each wheel set 2 comprises an axle 23 and wheels 22 connected to both ends of the axle 23. The driving mechanism 3 comprises a motor 31, a coupler 32 and a hanging device 33, the coupler 32 is in transmission connection with the motor 31, the motor 31 is mounted on the second surface S2 of the framework 1 through the hanging device 33, and the motor 31 is a high-power permanent magnet direct drive motor. The traction mechanism 6 comprises a traction rod 61, a vehicle body traction support 63 and a bogie traction support 64 which are respectively connected to two ends of the traction rod 61, and the bogie traction support 64 is connected with the traction beam 13. The brake mechanism 7 includes a brake disk 71, and the brake disk 71 is mounted to the wheel 22, and the brake disk 71 and the cross member 12 are connected. The suspension mechanism includes a primary suspension device 40 and a secondary suspension device 50, the primary suspension device 40 being disposed between the wheel 22 and the second side, the secondary suspension device 50 being disposed on the first side.
Because the driving mechanism 3 adopts direct drive and has no transmission devices such as a gear box and the like, the longitudinal space is saved, the reduction of the axle distance of the bogie becomes possible, the curve passing of the locomotive is facilitated, the rotational inertia can be reduced, and the dynamic performance is good. And the transmission efficiency of direct drive can be improved by 2% on the same scale, and the energy-saving and environment-friendly effects are achieved. The distance between the wheel pair 2 and the wheel pair, namely the wheel base, can be reduced to 1750mm from about the traditional 2000mm due to the adoption of a direct driving system, and good dynamic performance is ensured.
Compared with the existing locomotive bogie, the driving mechanism 3 has the characteristics of large starting torque, high power, high transmission efficiency, simple structure of a transmission system, low manufacturing and application cost, environmental protection and the like.
Therefore, the high-power permanent magnet direct-drive bogie can meet the high-power requirement of a locomotive, has the advantages of energy conservation, low application cost, environmental protection and the like, and can simplify the structure of a framework while simplifying a transmission system.
The high-power permanent-magnet direct-drive bogie can be assembled with a vehicle body to form a rapid passenger locomotive. Therefore, the technical scheme of the high-power permanent-magnet direct-drive bogie is based on the prior art (locomotives and urban rail vehicles), meets the application requirements of high-speed locomotives, is a novel developed bogie, has complete independent intellectual property rights, and realizes nationwide production.
In this embodiment, as shown in fig. 6 and 7, the inner rotor of the motor 31 is a hollow structure, the coupling 32 has a hollow shaft, the axle 23 and the hollow shaft penetrate through the inner rotor, and the center line of the motor 31 coincides with the center axis of the axle 23.
As shown in fig. 6, the hanger 33 includes a suspension arm 333 positioned at the front side of the motor 31 and two motor booms 332 positioned at the rear side of the motor 31, as shown in fig. 2, the frame 1 further includes a motor 31 suspension seat and a first anti-seating seat positioned at the cross beam 12, and the motor 31 suspension seat and the first anti-seating seat are respectively connected with the suspension arm 333 and the motor boom 332, so that the hanger 33 is elastically coupled with the frame 1 and suspended by the elastic frame.
In this embodiment, as shown in fig. 6, the suspension arm 333 and the motor suspension rod 332 are both provided with a suspension rubber node 331 to reduce the vibration and impact of the motor 31. To prevent the accidental release of the suspension on both sides of the motor 31, the suspension device 33 further includes a falling prevention pin 334 for ensuring safety when the suspension on both sides is accidentally released. Meanwhile, a certain gap is transversely arranged between the two sides of the anti-falling pin 334 and the motor 31 and the framework 1 so as to limit the overlarge transverse displacement and impact of the motor 31 relative to the framework 1.
As shown in fig. 7, the torque of the motor 31 is transmitted to the other flexible plate of the coupling 32 through the hollow shaft 324 of the coupling 32 and the transmission disc 326 through the transmission pin 323, and then transmitted to the wheel 22 through the transmission pin 325 mounted on the wheel 22.
The motor 31 adopts a hollow shaft type permanent magnet motor, and is suitable for the motor of the locomotive to have enough power and torque due to the traction requirement of the locomotive, the power of the single motor 31 adopted in the invention reaches more than 800kW, the starting torque reaches more than 42000Nm, and the sufficient driving force of the locomotive is ensured.
In this embodiment, as shown in fig. 9, the brake includes a controller 72 and a clamp 75, the brake mechanism 7 further includes a clamp hanging point 73 and a brake hanging point 74, the controller 72 is connected to the clamp 75 through the brake hanging point 74, as shown in fig. 2, the frame 1 further includes a brake clamp hanging seat 126 disposed on the cross beam 12, and the clamp hanging point 73 is connected to the brake clamp hanging seat 126.
Meanwhile, in order to ensure the normal parking of the locomotive under the condition of no electricity or no air pressure, two groups of brakes with parking brakes are arranged on each locomotive. The brake is hung on the cross beam 12 of the frame 1, and the brake disc 71 is arranged on two sides of the wheel subplate.
In this embodiment, as shown in fig. 4, the draft sill 13 is disposed at one end of the side sill 11, the draft sill 13 includes an upper cover plate 131, a vertical plate 132, a reinforcing rib plate 133, a draft seat plate 134 and a lower cover plate 135, the upper cover plate 131 is disposed on the first surface S1 and is a flat plate, the lower cover plate 135 is disposed on the second surface S2, the lower cover plate 135 is a curved plate, the middle portion of the lower cover plate 135 protrudes in a direction away from the first surface S1 to form a protruding surface, the vertical plate 132 is connected to one side of the upper cover plate 131 and one side of the lower cover plate 135, the reinforcing rib plate 133 is connected to and supported between the upper cover plate 131 and the lower cover plate 135, and the draft seat plate 134 is disposed on the.
That is, the draft sill 13 is a downward convex frame structure, the reinforcing rib plate 133 is added in the frame structure surrounded by the upper cover plate 131, the lower cover plate 135 and the vertical plate 132 as required, and a method of slowly changing the cross section is adopted at the transition position, so that the draft sill 13 is ensured to have sufficient strength and rigidity, and the stress is smaller than the allowable limit value.
In the present embodiment, the traction rod 61 is disposed obliquely, that is, the push-pull type single traction rod 61 structure is adopted, the height of the vehicle body traction support 63 is higher than that of the bogie traction support 64, and the height of the protruding surface S3 is lower than that of the center of the axle 23.
In this embodiment, the traction rod 61 is inclined 3 degrees from the horizontal, and the height of the traction point from the top surface of the rail is lower than the center of the wheel axle, which belongs to low-position traction. One end of the traction rod 61 is arranged on the traction beam 13 through a bogie traction support 64, and the other end is arranged on the vehicle body through a vehicle body traction support 63. The two ends of the traction rod 61 are provided with rubber nodes 62, and the rubber nodes 62 are respectively connected with a vehicle body traction support 63 and a bogie traction support 64 through a tray 65 so as to buffer the vibration between the bogie and the vehicle body and simultaneously compensate the relative movement between the bogie and the vehicle body in other directions except the longitudinal direction.
Because the front end of the traction rod 61 is obliquely drawn, and the traction beam 13 adopts a downward-convex frame type welding structure, the combination of the framework 1 and the traction beam 13 has the characteristics of smooth design structure, uniform stress, good manufacturability and the like, so that the whole bogie has the characteristics of small wheelbase, compact structure, excellent dynamic performance and the like.
In the present embodiment, as shown in fig. 1 to 3, the number of the cross members 12 is three, that is, two intermediate cross members 15 and one rear end member 14. The three cross beams 12 and the traction beam 13 are arranged at intervals, so that the framework 1 is in a shape of Chinese character mu, a first installation position, a second installation position and a third installation position are formed at the intervals, each installation position is provided with one wheel pair 2, a driving mechanism 3 and a braking mechanism 7, a primary suspension device 40 is arranged at the first installation position and the third installation position, and a secondary suspension device 50 is arranged at the second installation position.
The middle cross beam 15 is provided with a motor hanger seat 121, a unit brake mounting seat 122, a first motor anti-seating 123, a second motor anti-seating 124, a motor hanging seat 125 and a brake clamp hanging seat 126.
The high-power permanent-magnet direct-drive bogie can also comprise a rim lubrication device 8, a stone sweeper 9 and a sanding device 10.
The rear end beam 14 is provided with an axle box stay and a sander mounting seat 141.
The primary suspension device 40 adopts a structure of two groups of steel springs, a vertical shock absorber and an axle box single pull rod, and is connected with the framework 1 through the axle box and the steel springs to realize elastic positioning.
Specifically, the primary suspension device 40 includes a primary vertical shock absorber 43 and a primary steel spring 41, the second surface S2 of the side beam 11 is provided with a primary spring mounting seat 111 and a stopper seat 113, the side surface of the side beam 11 is provided with a vertical shock absorber seat 112, the outer end of each wheel 22 is provided with an axle box mounting portion 21 and a shock absorber mounting seat 24, the primary vertical shock absorber 43 is mounted on the wheel 22 and the frame 1 through the shock absorber mounting seat 24 and the vertical shock absorber seat 112, and the primary steel spring 41 is mounted on the wheel 22 and the frame 1 through the primary spring mounting seat 111 and the axle box mounting portion 21.
The secondary suspension device 50 adopts a structure of six groups of steel springs and rubber pads distributed on two sides.
Specifically, the secondary suspension device 50 includes a secondary steel spring 51, the first surface S1 of the side member 11 is provided with a secondary spring mount anti-hunting damper seat 117, and one end of the secondary steel spring 51 is mounted to the secondary spring mount anti-hunting damper seat 117.
The secondary suspension device 50 further comprises a secondary vertical shock absorber 53, a secondary transverse shock absorber 41 and an anti-hunting shock absorber 55, wherein a secondary spring mounting seat 114, a secondary transverse shock absorber seat 116 and a swing-head stop seat 118 are arranged on a first surface S1 of the side beam 11, a secondary shock absorber pull rod seat 115 and an anti-hunting shock absorber seat 117 are arranged on the side surface of the side beam 11, the secondary vertical shock absorber 53 is mounted on the frame 1 through the secondary transverse shock absorber seat 116, the secondary transverse shock absorber 41 is mounted on the frame 1 through the secondary shock absorber pull rod seat 115, and the anti-hunting shock absorber 56 is mounted on the frame 1 through the anti-hunting shock absorber seat 117. The secondary suspension 50 may also be provided with vertical, lateral and yaw stops 56.
In conclusion, the high-power permanent magnet direct-drive bogie can meet the high-power requirement of a locomotive, has the advantages of energy conservation, low application cost, environmental protection and the like, and can simplify the structure of a framework while simplifying a transmission system.
The impeller assembly welding device can quickly and accurately position all the blades of the impeller through the matching of the axial rotating mechanism, the rotating locking mechanism and the angle positioning mechanism, and compared with manual measurement and marking in the prior art, the impeller assembly welding device can greatly improve the size precision of the impeller, meet the precision requirement of the impeller and improve the welding efficiency.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A high-power permanent-magnet direct-drive bogie comprises:
a frame having first and second opposing surfaces, the frame including a pair of side beams, a plurality of cross beams connected between the pair of side beams, and a draft sill;
a plurality of wheel sets, each wheel set comprising an axle and wheels connected to both ends of the axle;
the driving mechanism comprises a motor, a coupler and a hanging device, the coupler is in transmission connection with the motor, the motor is arranged on the second surface of the framework through the hanging device, and the motor is a high-power permanent magnet direct drive motor;
the traction mechanism comprises a traction rod, and a vehicle body traction support and a bogie traction support which are respectively connected to the two ends of the traction rod, wherein the bogie traction support is connected with a traction beam;
the brake mechanism comprises a brake and a brake disc, the brake disc is arranged on a wheel, and the brake is connected with the brake disc and the cross beam; and
and the suspension mechanism comprises a primary suspension device and a secondary suspension device, the primary suspension device is arranged between the wheel and the second side surface, and the secondary suspension device is arranged on the first side surface.
2. The high-power permanent-magnet direct-drive bogie as recited in claim 1, wherein an inner rotor of the motor is of a hollow structure, the coupler is provided with a hollow shaft, the axle and the hollow shaft penetrate through the inner rotor, and the central line of the motor is coincident with the central axis of the axle; the hanging device comprises a hanging arm positioned on the front side of the motor and a motor hanging rod positioned on the rear side of the motor, the framework further comprises a motor hanging seat positioned on the cross beam and a first anti-sitting seat, and the motor hanging seat and the first anti-sitting seat are correspondingly connected with the hanging arm and the motor hanging rod respectively.
3. The high power direct drive permanent magnet bogie as claimed in claim 2, wherein the brake comprises a controller and a clamp, the brake mechanism further comprises a clamp hanging point and a brake hanging point, the controller is connected with the clamp hanging point through the brake hanging point, the frame further comprises a brake clamp hanging seat arranged on the cross beam, and the clamp hanging point is connected with the brake clamp hanging seat.
4. The high-power permanent-magnet direct-drive bogie according to claim 1, wherein the draft sill is arranged at one end of the side beam and comprises an upper cover plate, a vertical plate, a reinforcing rib plate, a draft seat plate and a lower cover plate, the upper cover plate is arranged on a first surface and is a flat plate, the lower cover plate is arranged on a second surface and is a curved plate, the middle part of the lower cover plate protrudes towards a direction away from the first surface to form a protruding surface, the vertical plate is connected to one side of the upper cover plate and one side of the lower cover plate, the reinforcing rib plate is connected with and supported between the upper cover plate and the lower cover plate, and the draft seat plate is arranged on the protruding surface and is connected with.
5. The high-power permanent-magnet direct-drive bogie as claimed in claim 4, wherein the traction rods are obliquely arranged, the height of the vehicle body traction support is higher than that of the bogie traction support, and the height of the protruding surface is lower than that of the center of the axle.
6. The high-power permanent-magnet direct-drive bogie as recited in claim 1, wherein the number of the cross beams is three, three cross beams and one draft sill are arranged at intervals, so that the framework is in a Chinese character 'mu' shape, a first mounting position, a second mounting position and a third mounting position are formed at the intervals, each mounting position is provided with a wheel pair, a driving mechanism and a braking mechanism, a primary suspension device is arranged at the first mounting position and the third mounting position, and a secondary suspension device is arranged at the second mounting position.
7. The high power permanent magnet direct drive bogie as claimed in claim 6, wherein the primary suspension means comprises a primary vertical shock absorber and a primary steel spring, the second surface of the side beam is provided with a primary spring mounting seat, the side surface of the side beam is provided with a vertical shock absorber seat, the outer end of each wheel is provided with an axle box mounting part and a shock absorber mounting seat, the primary vertical shock absorber is mounted on the wheel and the frame through the shock absorber mounting and the vertical shock absorber seat, and the primary steel spring is mounted on the wheel and the frame through the axle box mounting part of the primary spring mounting seat.
8. The high power direct drive permanent magnet bogie as claimed in claim 6, wherein the secondary suspension means comprises a secondary steel spring, the first surface of the side beam is provided with a secondary spring mounting seat, and one end of the secondary steel spring is mounted on the secondary spring mounting seat.
9. The high power permanent magnet direct drive bogie as claimed in claim 8, wherein the secondary suspension device further comprises a secondary vertical shock absorber, a secondary transverse shock absorber and an anti-hunting shock absorber, the first surface of the side beam is provided with a secondary transverse shock absorber seat, the side surface of the side beam is provided with a secondary shock absorber tie rod seat and an anti-hunting shock absorber seat, the secondary vertical shock absorber is mounted on the frame through the secondary transverse shock absorber seat, the secondary transverse shock absorber is mounted on the frame through the secondary shock absorber tie rod seat, and the anti-hunting shock absorber is mounted on the frame through the anti-hunting shock absorber seat.
10. A rapid passenger transport vehicle comprising a vehicle body and a high power permanent magnet direct drive bogie as claimed in any one of claims 1 to 9, the vehicle body being mounted to the high power permanent magnet direct drive bogie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811140814.XA CN110962873B (en) | 2018-09-28 | 2018-09-28 | High-power permanent magnet direct-drive bogie and rapid passenger locomotive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811140814.XA CN110962873B (en) | 2018-09-28 | 2018-09-28 | High-power permanent magnet direct-drive bogie and rapid passenger locomotive |
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| CN110962873A true CN110962873A (en) | 2020-04-07 |
| CN110962873B CN110962873B (en) | 2021-02-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845790A (en) * | 2020-08-31 | 2020-10-30 | 西南交通大学 | Permanent magnet direct drive motor and axle box integrated rubber wheel suspension hinge pin type bogie |
| CN112078601A (en) * | 2020-09-25 | 2020-12-15 | 中车大同电力机车有限公司 | Wheel pair driving system and rail vehicle |
| CN114104941A (en) * | 2021-11-29 | 2022-03-01 | 中车大连机车车辆有限公司 | Device and method for integrally hoisting locomotive and bogie |
| WO2022052652A1 (en) * | 2020-09-09 | 2022-03-17 | 中车大同电力机车有限公司 | Bogie and locomotive having same |
| CN114572266A (en) * | 2021-10-31 | 2022-06-03 | 中车南京浦镇车辆有限公司 | Suspension type permanent magnet direct-drive bogie |
| WO2024045381A1 (en) * | 2022-08-29 | 2024-03-07 | 中车株洲电力机车有限公司 | Railway vehicle bogie and drive unit thereof |
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Cited By (7)
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| CN111845790A (en) * | 2020-08-31 | 2020-10-30 | 西南交通大学 | Permanent magnet direct drive motor and axle box integrated rubber wheel suspension hinge pin type bogie |
| WO2022052652A1 (en) * | 2020-09-09 | 2022-03-17 | 中车大同电力机车有限公司 | Bogie and locomotive having same |
| CN112078601A (en) * | 2020-09-25 | 2020-12-15 | 中车大同电力机车有限公司 | Wheel pair driving system and rail vehicle |
| CN114572266A (en) * | 2021-10-31 | 2022-06-03 | 中车南京浦镇车辆有限公司 | Suspension type permanent magnet direct-drive bogie |
| WO2023071612A1 (en) * | 2021-10-31 | 2023-05-04 | 中车南京浦镇车辆有限公司 | Frame-suspended permanent magnet direct-drive bogie |
| CN114104941A (en) * | 2021-11-29 | 2022-03-01 | 中车大连机车车辆有限公司 | Device and method for integrally hoisting locomotive and bogie |
| WO2024045381A1 (en) * | 2022-08-29 | 2024-03-07 | 中车株洲电力机车有限公司 | Railway vehicle bogie and drive unit thereof |
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