Three-axle bogie of new energy rail traction locomotive
By improving the design of the drive mechanism of the new energy rail traction locomotive, using flanges and gearboxes to connect the motor, and combining sand and buffer mechanisms, the problems of large motor size and low energy efficiency were solved, achieving efficient power transmission and stable operation, and reducing power consumption and maintenance costs.
Patent Information
- Application Number
- CN202520113460.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The motors of existing new energy rail traction locomotives are installed using axle-mounted installation, which results in large motor size, low energy efficiency, and inconvenient maintenance.
It adopts a compact drive mechanism design, with the motor fixedly connected by a flange and a gearbox. Combined with a sand mechanism, a buffer mechanism, a traction frame, and a pull arm mechanism, it optimizes power transmission and vehicle stability. It uses a parallel shaft gearbox and a horizontally positioned motor to reduce power loss and increase friction.
It improves the power transmission efficiency of new energy rail traction locomotives, provides high torque operation, reduces power consumption, enhances vehicle stability, and reduces maintenance costs.
Smart Images

Figure CN223590729U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to three axle bogie technical field, especially in new energy track hauler three axle bogie. BACKGROUND
[0002] New energy track hauler is a kind of track vehicle that uses battery to provide energy for driving motor, and drives to travel, and the three axle bogie of hauler can bear the weight of the upper structure of the vehicle, and transmit to the rail through the wheel set;The torque of traction motor is converted into traction force, and is transmitted to the train through the frame, core disc and vehicle frame.
[0003] At present, the common track vehicle motor mounting mode on the market is mostly the shaft holding type installation, and the motor connected by this mode usually adopts low-speed high-torque motor, and the motor is large in size, low in energy efficiency and inconvenient to maintain. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a new energy track hauler three axle bogie to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a new energy track hauler three axle bogie, comprising:
[0006] Frame;
[0007] Connecting mechanism, the connecting mechanism is installed on the top of frame;
[0008] Sand mechanism, the sand mechanism is arranged at the corner of frame, and the sand mechanism is used to sprinkle sand;
[0009] Buffer mechanism, a plurality of buffer mechanisms are respectively installed on the two sides of frame;
[0010] Traction frame, the traction frame is installed on the end of buffer mechanism, and the traction frame is used to connect buffer mechanism and frame;
[0011] Pull arm mechanism, the pull arm mechanism is installed on frame;
[0012] Driving mechanism, a plurality of driving mechanisms are equidistantly installed below frame, and the pull arm mechanism is used to stably start driving mechanism and reduce parking swing.
[0013] Preferably, the connecting mechanism comprises:
[0014] Cross beam, the cross beam is fixed to the middle part of frame;
[0015] Core disc, the core disc is fixed to the middle part of cross beam, and the core disc is used to connect frame and vehicle frame and transmit power;
[0016] The side supports are respectively fixed to the end of the cross beam and the upper surface of the frame.
[0017] Preferably, the sand mechanism comprises:
[0018] The sand box is installed at the corner of the frame.
[0019] The discharging rod is installed at the bottom of the sand box through the control valve.
[0020] Preferably, the buffer mechanism comprises:
[0021] The hydraulic buffer is fixed to the outer wall side of the frame through the connecting block.
[0022] The axle head box is installed at the bottom of the hydraulic buffer.
[0023] The spring is fixed to the two sides of the axle head box, and the top of the spring is connected with the bottom of the frame.
[0024] Preferably, the traction frame is respectively fixed to the two sides of the bottom of the frame, and the traction frame is clamped to the end of the axle head box.
[0025] Preferably, the pull arm mechanism comprises:
[0026] The pull arm seat is fixed to the frame.
[0027] The pull arm body is connected with the driving mechanism through the pull arm ear, and the top of the pull arm body is connected with the top of the pull arm seat.
[0028] The pull arm nut is threadedly connected to the top of the pull arm body.
[0029] The buffer pad is sleeved on the pull arm body, and the buffer pad is arranged between the pull arm nut and the pull arm seat.
[0030] Preferably, the driving mechanism comprises:
[0031] The axle is rotatably connected with the middle part of the two opposite axle head boxes through the bearing.
[0032] The wheel pie is fixed to the end of the axle.
[0033] The reduction box is installed on the axle through the shaft holding type, and the reduction box is connected with the pull arm body through the pull arm ear.
[0034] The motor is horizontally arranged on one side of the axle.
[0035] The flange is installed between the motor and the reduction box.
[0036] The technical effects and advantages of the utility model are as follows:
[0037] The utility model discloses a sand mechanism, buffer mechanism, traction frame, pull arm mechanism and the setting mode of drive mechanism cooperation, through the motor on drive mechanism through the flange and reduction box fixed connection, make its new energy track tractor locomotive power bogie structure more compact, power loss is smaller, and the efficiency is higher, can provide big torque operation for vehicle, save electric energy, reduce the cost, and the setting of sand mechanism can be used in the vehicle starting process, and the sand is scattered when the wheel skids to increase the friction between the wheel and the guide rail, improve the stability of bogie use. BRIEF DESCRIPTION OF DRAWINGS
[0038] Figure 1 It is the whole structure schematic diagram of the utility model.
[0039] Figure 2 It is the whole explosion structure schematic diagram of the utility model.
[0040] Figure 3 It is the whole structure schematic diagram of the utility model.
[0041] Figure 4 It is the whole structure schematic diagram of the utility model.
[0042] In the drawing: 1, framework;2, connecting mechanism;21, crossbeam;22, core disc;23, side bearing;3, sand mechanism;31, sand box;32, discharging rod;4, buffer mechanism;41, hydraulic buffer;42, axle head box;43, spring;5, traction frame;6, pull arm mechanism;61, pull arm seat;62, pull arm body;63, pull arm nut;64, buffer pad;7, drive mechanism;71, axle;72, wheel cake;73, reduction box;74, motor;75, flange. DETAILED DESCRIPTION
[0043] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.
[0044] The utility model provides a kind of new energy track tractor locomotive power bogie structure as Figures 1-4The new energy track traction locomotive three-axle bogie shown comprises a framework 1, a connecting mechanism 2, a sand mechanism 3, a buffer mechanism 4, a traction frame 5, a pull arm mechanism 6 and a driving mechanism 7. The connecting mechanism 2 is installed on the top of the framework 1. The sand mechanism 3 is arranged at the corner of the framework 1 and is used for sanding. The buffer mechanism 4 is installed on both sides of the framework 1. The traction frame 5 is installed at the end of the buffer mechanism 4 and is used for connecting the buffer mechanism 4 and the framework 1. The traction frame 5 is fixed on both sides of the bottom of the framework 1. The pull arm mechanism 6 is installed on the framework 1. The driving mechanism 7 is installed below the framework 1. The pull arm mechanism 6 is used for stable starting and reducing parking shaking of the driving mechanism 7.
[0045] The connecting mechanism 2 comprises a crossbeam 21, a core disc 22 and a side bearing 23. The crossbeam 21 is fixed in the middle of the framework 1. The core disc 22 is fixed in the middle of the crossbeam 21 and is used for connecting and power transmission between the framework 1 and the vehicle frame. The side bearing 23 is fixed on the end of the crossbeam 21 and the upper surface of the framework 1, so that the vehicle frame can be arranged on the top of the framework 1 and connected through the side bearing 23.
[0046] Further, the sand mechanism 3 comprises a sand box 31 and a discharging rod 32. The sand box 31 is installed at the corner of the framework 1. The discharging rod 32 is installed at the bottom of the sand box 31 through a control valve. The sand in the sand box 31 can flow out through the discharging rod 32 by starting the control valve, so as to increase the friction between the wheel pie 72 and the guide rail by sanding when the wheel slips during the starting of the vehicle.
[0047] In addition, the buffer mechanism 4 comprises a hydraulic buffer 41, an axle head box 42 and a spring 43. The hydraulic buffer 41 is fixed to the outer wall side of the framework 1 through a connecting block. The hydraulic buffer 41 can absorb the bumping and vibration during the driving of the vehicle. The axle head box 42 is installed at the bottom of the hydraulic buffer 41. The traction frame 5 is connected to the end of the axle head box 42. The spring 43 is fixed on both sides of the axle head box 42. The top of the spring 43 is connected to the bottom of the framework 1. Through the spring 43 and the traction frame 5, the two opposite axle head boxes 42 can be stably positioned on the bottom of the framework 1.
[0048] Further, the pull arm mechanism 6 comprises a pull arm base 61, a pull arm body 62, a pull arm nut 63 and a buffer pad 64, the pull arm base 61 is fixed on the frame 1, the pull arm body 62 is connected with the driving mechanism 7 through a pull arm ear, and the top of the pull arm body 62 is connected with the top of the pull arm base 61, the pull arm nut 63 is screwed on the top of the pull arm body 62, the top of the pull arm body 62 is fixed on the pull arm base 61 through the pull arm nut 63, the pull arm body 62 is used for stabilizing the reduction box 73 when the vehicle starts or stops, the buffer pad 64 is sleeved on the pull arm body 62, and the buffer pad 64 is arranged between the pull arm nut 63 and the pull arm base 61, the pull arm mechanism 6 is arranged to absorb the impact of the pull arm on the pull arm base 61 when the vehicle starts or stops.
[0049] The driving mechanism 7 comprises an axle 71, a wheel cake 72, a reduction box 73, a motor 74 and a flange 75, the two ends of the axle 71 are rotatably connected with the middle parts of the two opposite axle head boxes 42 through bearings, the wheel cake 72 is fixed on the end of the axle 71, the two oppositely arranged wheel cakes 72 form a wheel pair, and one unit brake is arranged on the outer side of each wheel cake 72 in each wheel pair, the unit brake is a structure in the prior art and is used for applying a braking force when the vehicle is decelerating, the reduction box 73 is installed on the axle 71 in a shaft-holding mode, the reduction box 73 is selected to be a parallel shaft reduction box 73, so that the installation on the axle 71 is facilitated, and the reduction box 73 is connected with the pull arm body 62 through a pull arm ear, the motor 74 is horizontally arranged on one side of the axle 71, the flange 75 is installed between the motor 74 and the reduction box 73, the flange 75 is arranged on the housing at one end of the input shaft of the reduction box 73, the motor 74 is fixed on the flange 75 through a stop opening and bolts, and the output shaft of the motor 74 is connected with the input shaft of the reduction box 73 through a spline or a shaft coupling, so that the torque of the motor 74 is transmitted to the reduction box 73, the motor 74 is directly connected with the axle 71 in the prior art is avoided, the bogie structure is more compact, the power loss is smaller, the efficiency is higher, a large torque operation can be provided for the vehicle, the electric energy is saved, and the cost is reduced.
[0050] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A new energy track rail traction locomotive three-axle bogie, characterized in that, The utility model relates to a kind of sanding machine, including: Frame (1); Connecting mechanism (2), the connecting mechanism (2) is installed on the top of frame (1); Sand mechanism (3), the sand mechanism (3) is arranged at the corner of frame (1), and the sand mechanism (3) is used to sanding; Buffer mechanism (4), the buffer mechanism (4) is respectively installed on the two sides of frame (1); Towing frame (5), the towing frame (5) is installed at the end of buffer mechanism (4), and the towing frame (5) is used for the connection of buffer mechanism (4) and frame (1); Pull arm mechanism (6), the pull arm mechanism (6) is installed on frame (1); Driving mechanism (7), the driving mechanism (7) is equidistantly installed below frame (1), and the pull arm mechanism (6) is used for the stable start of driving mechanism (7) and reduce parking sway.
2. The three-axle bogie of a new energy track traction locomotive according to claim 1, characterized in that, The connecting mechanism (2) includes: Crossbeam (21), the crossbeam (21) is fixed to the middle part of frame (1); Core disc (22), the core disc (22) is fixed to the middle part of crossbeam (21), and the core disc (22) is used for the connection and power transmission between frame (1) and vehicle frame; Side bearing (23), the side bearing (23) is respectively fixed to the end of crossbeam (21) and the upper surface of frame (1).
3. The three-axle bogie of a new energy track traction locomotive according to claim 1, characterized in that, The sand mechanism (3) includes: Sand box (31), the sand box (31) is installed at the corner of frame (1); Discharging rod (32), the discharging rod (32) is installed at the bottom of sand box (31) by control valve.
4. The three-axle bogie of a new energy track traction locomotive according to claim 1, characterized in that, The buffer mechanism (4) includes: Hydraulic buffer (41), the hydraulic buffer (41) is fixed to the outer wall side of frame (1) by connecting block; Shaft head box (42), the shaft head box (42) is installed at the bottom of hydraulic buffer (41); Spring (43), the spring (43) is fixed to the two sides of shaft head box (42), and the top of spring (43) is connected with the bottom of frame (1).
5. The three-axle bogie of a new energy track traction locomotive according to claim 4, characterized in that, The towing frame (5) is respectively fixed to the two sides of the bottom of frame (1), and the towing frame (5) is clamped to the end of shaft head box (42).
6. The three-axle bogie of a new energy track hauler vehicle according to claim 1, characterized in that, The pull arm mechanism (6) includes: Pull arm seat (61), the pull arm seat (61) is fixed to frame (1); Pull arm body (62), the pull arm body (62) is connected with driving mechanism (7) by pull arm ear, and the top of pull arm body (62) is connected with the top of pull arm seat (61); Pull arm nut (63), the pull arm nut (63) is threadedly connected to the top of pull arm body (62); Buffer pad (64), the buffer pad (64) is sleeved on pull arm body (62), and the buffer pad (64) is arranged between pull arm nut (63) and pull arm seat (61).
7. The three-axle bogie of a new energy track hauler vehicle according to claim 6, characterized in that, The driving mechanism (7) includes: Vehicle axle (71), the two ends of vehicle axle (71) are respectively connected with the middle part of the two opposite shaft head boxes (42) by bearing and rotation; Wheel cake (72), the wheel cake (72) is fixed to the end of vehicle axle (71); A reduction gearbox (73) is mounted on the axle (71) by a hugging axle type, and the reduction gearbox (73) is connected with the pull arm body (62) through a pull arm ear; A motor (74) is horizontally arranged on one side of the axle (71); and a flange (75) is arranged between the motor (74) and the reduction gearbox (73).