Bogie device for track engineering machinery
By adopting a double-sided lever-type basic braking device on the bogie and rationally arranging the equipment, the problem of insufficient braking capacity of the electric transmission bogie on long and steep slopes was solved, and the stability and economy of the vehicle were improved.
Patent Information
- Application Number
- CN202422902666.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Conventional electric transmission bogies and single-sided lever-type foundation brakes have insufficient foundation braking capacity on railway lines with many long and steep slopes and a high bridge-tunnel ratio, affecting the stability of vehicle operation.
A double-sided lever-type basic braking device is adopted. By installing four sets of primary suspension devices, lever-type basic braking devices, axle gearboxes and traction motors on the bogie frame, combined with the primary and secondary suspension devices, the basic braking capacity and stability of the vehicle are improved, and the braking and driving equipment are rationally arranged in a limited space.
It effectively improves the basic braking capacity and operating stability of the vehicle, reduces the maintenance cost of the braking device, and maintains high stability and economy.
Smart Images

Figure CN223315012U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bogies for rail engineering machinery, in particular to a bogie device for rail engineering machinery. Background Art
[0002] With the rapid development of my country's railway industry, the research and application technology of rail-mounted machinery that provides supporting services for railway facility construction is also gradually improving. Among them, rail engineering vehicles, in addition to meeting the functions of conventional bogies, also need to meet the requirements of long and steep slopes and have better economy and stability.
[0003] As the running part of a rail vehicle, the bogie has the following functions: 1. Bearing the loads of all parts above the frame; 2. Ensuring the generation of traction by utilizing the adhesion between the wheel and rail; 3. Improving the smoothness and stability of the vehicle's operation; 4. Ensuring that the vehicle stops within the specified distance; 5. Ensuring the vehicle's ability to pass through curves. The structural performance of the bogie directly affects the traction and braking performance, operation quality, and driving safety of rail vehicles.
[0004] Conventional electric transmission bogie foundation brakes are mostly unit brakes or single-sided lever-type foundation brakes. When used on railway lines with many long and steep slopes and a high bridge-tunnel ratio, there are problems such as insufficient foundation braking capacity and the brakes not being relieved when the vehicle is parked, which affects the vehicle's operational stability.
[0005] Therefore, it is necessary to provide a bogie device for rail engineering machinery to solve the above technical problems. Utility Model Content
[0006] The utility model provides a bogie device for track engineering machinery, which solves the problem that electric transmission steering or single-side lever basic braking has insufficient basic braking capacity and affects vehicle running stability when there are many long and steep slopes.
[0007] In order to solve the above technical problems, the present invention provides a bogie device for rail engineering machinery, comprising: a frame;
[0008] The four groups of primary suspension devices are respectively installed at positions near both sides of the bottom of the frame, and two axles are respectively installed at positions near both sides of the bottom of the frame through axle box devices, and wheels are installed at both ends of each axle, and a lever-type basic brake device is installed at positions near both sides of the bottom of the frame, and each lever-type basic brake device includes two brake levers, the top end of one of the brake levers is installed with a horizontal lever body through a connecting rod, and the other end of each horizontal lever body is installed with a brake cylinder, and the bottom end of each brake lever is installed with a brake shoe device, and a longitudinal tie rod is installed between each group of brake shoe devices, and a brake shoe gap adjustment device is installed at one end of each longitudinal tie rod, and a primary suspension device is arranged between the axle box device and the frame, an oil pressure shock absorber is installed at the middle position of the top of the frame, rubber piles are installed at the front and back positions of the top of the frame, and traction devices are installed at the front and back positions of the frame, two secondary suspension devices are installed at positions near the front and back positions of the top of the frame, and side panels are installed at the front and back positions of the frame;
[0009] Two axle gearboxes, both mounted on the outer surface of the axle, one side of one axle gearbox being mounted with a drive device via a coupling, and one side of the other axle gearbox being mounted with a traction motor via a coupling, and a gearbox suspension rod being mounted on the top of each axle gearbox;
[0010] The frame, wheelset axle box drive device, primary suspension device, secondary suspension device, drive device and basic braking device; the wheelset axle box drive device consists of an axle, a wheel, an axle box device and an axle gearbox. The wheelset is connected to the frame through the axle box device. The axle gearbox is installed on the axle and elastically suspended on the frame gearbox suspension seat through the gearbox hanger; a primary suspension device is provided between the axle box device and the frame; a secondary suspension device is provided between the frame and the vehicle frame, which is used to connect the bogie and the vehicle and transmit the vehicle load and attenuate vehicle vibration, mainly including rubber piles, traction devices, hydraulic shock absorbers and side blocks; the drive device includes a vehicle traction motor and a coupling, and the traction motor is suspended through the motor The seat is suspended on the frame, and the traction motor is connected to the axle gearbox through a coupling. The lever-type basic brake device is composed of two sets of symmetrically arranged multi-link systems, and each set of multi-link systems is responsible for the braking of a wheelset; the lever-type basic brake device is installed on the lever suspension seat of the frame and the horizontal lever seat; the lever-type basic brake device includes a brake cylinder, a horizontal lever body, a brake lever and a brake shoe device; the brake cylinder is installed on the brake cylinder seat of the frame; one end of the horizontal lever body is connected to the brake cylinder, and the other end is connected to the upper end of the brake lever through a connecting rod; the lower end of the brake lever is connected to the brake shoe device; the brake levers at both ends of the wheel on the same side are connected by a longitudinal pull rod; the basic brake device is provided with a brake shoe clearance adjustment device.
[0011] Preferably, the frame includes a fixing frame, the top of the fixing frame is provided with motor suspension seats near both sides, and the bottom of the fixing frame is provided with frame gearbox suspension seats near the middle.
[0012] The structure on the frame is for the convenience of connection with the structure under the frame.
[0013] Preferably, a first frame lever suspension seat is installed near the middle of the bottom of the fixing frame, and a second frame lever suspension seat is installed near both ends of the bottom of the fixing frame.
[0014] Preferably, a bottom plate is mounted on the bottom of the axle gearbox via a plurality of support bolts, a water storage frame is fixedly connected to the top of the bottom plate at a position on the outer surface, a filter box is mounted on the top of the bottom plate, a delivery pump is mounted on the top of the filter box via a protective shell, a delivery pipe is mounted on the outlet of the delivery pump, and an oil suction pipe is mounted on the inlet of the delivery pump;
[0015] The filter box is provided with a cover, and the water storage frame has a certain height to store cold water, but will not affect the installation of the axle gear box.
[0016] Preferably, a return pipe is installed on the top of the filter box, a filter plate is installed inside the filter box through a fixing bar, a conveying assembly is installed on the top of the filter box, a suction pipe with a counterweight head is installed at the inlet of the conveying assembly, and a connecting pipe is installed at the outlet of the conveying assembly;
[0017] The connecting pipe is connected to one end of the fixed pipe, the bottom end of the suction pipe is located in the water storage frame, the delivery component includes a shell and a delivery pump, and the other end of the return pipe is connected to a side of the axle gear box near the bottom.
[0018] Preferably, the top of the water storage frame is fixedly connected to support rods at positions on both sides, the tops of the support rods are fixedly connected to fixed pipes, and the bottoms of the fixed pipes are installed with multiple nozzles.
[0019] Compared with the related art, the bogie device for rail engineering machinery provided by the present invention has the following beneficial effects:
[0020] The utility model provides a bogie device for rail engineering machinery. In order to increase the stability of the electric transmission bogie during operation, axle gear boxes are respectively installed on the outer surfaces of the two axles, and a driving device and a traction motor are connected with the axle gear boxes, so that the power can be balanced to increase the stability of the bogie. Brake cylinders, brake levers, brake shoe devices, longitudinal pull rods, connecting rods, brake shoe gap adjustment devices and horizontal lever bodies are respectively installed on the front and back of the frame, which can provide stability for wheel braking or operation, and four wheels are installed at both ends of the two axles so that they are located below the frame, and the vehicle is supported by a primary suspension device. The wheels provide support and shock absorption effects, and multiple secondary suspension devices are installed above the frame for easy connection with the car body. The bogie of this patent adopts a double-sided lever-type basic brake. By increasing the number of brake shoes, the basic braking capacity of the vehicle is effectively improved. At the same time, the lever-type basic brake is easy to maintain, low in manufacturing cost, and high in stability. Through compact arrangement, the reasonable arrangement of double-sided lever brakes and traction motors, gearboxes and other equipment is realized in the limited internal space of the bogie. By increasing the number of brake shoes, the basic braking capacity of the vehicle is effectively improved. Compared with the unit brake type basic brake device, the cost reduction effect is obvious, and at the same time, it has higher operation stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A schematic structural diagram of a first embodiment of a bogie device for rail engineering machinery provided by the present utility model;
[0022] Figure 2 A schematic diagram of the structure of the utility model is provided;
[0023] Figure 3 Provides a structural diagram of the motor suspension seat for the utility model;
[0024] Figure 4 A structural diagram of a horizontal lever seat is provided for the utility model;
[0025] Figure 5 Provides a structural diagram of the brake cylinder for the utility model;
[0026] Figure 6 Provides a structural diagram of a horizontal lever body for the utility model;
[0027] Figure 7 A schematic structural diagram of a second embodiment of a bogie device for rail engineering machinery provided by the present utility model;
[0028] Figure 8 Provides a structural diagram of the filter frame for the utility model;
[0029] Figure 9 The utility model provides a structural schematic diagram of a delivery pump.
[0030] Numbers in the figure: 1, frame, 101, fixed frame, 102, motor suspension seat, 103, frame gearbox suspension seat, 104, lever suspension seat of the first frame, 105, lever suspension seat of the second frame, 106, horizontal lever seat, 107, brake cylinder seat, 2, axle, 3, drive device, 4, oil pressure shock absorber, 5, coupling, 6, traction motor, 7, fixing bar, 8, side stop, 9, traction device, 10, rubber pile, 11, gearbox suspension rod, 12, axle gearbox, 13, wheel, 14, axle box device, 15, filter plate, 16, secondary suspension device, 17. Primary suspension device, 18. Lever-type basic brake device, 181. Brake cylinder, 182. Brake lever, 183. Brake shoe device, 184. Longitudinal pull rod, 185. Connecting rod, 186. Horizontal lever body, 187. Brake shoe gap adjustment device, 19. Support rod, 20. Nozzle, 21. Fixed pipe, 22. Support bolt, 23. Bottom plate, 24. Water storage frame, 25. Delivery pump, 26. Protective shell, 27. Filter box, 28. Delivery assembly, 29. Counterweight head, 30. Suction pipe, 31. Return pipe, 32. Delivery pipe, 33. Connecting pipe, 34. Oil suction pipe. DETAILED DESCRIPTION
[0031] The present invention will be further described below with reference to the accompanying drawings and implementation examples.
[0032] First embodiment
[0033] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 ,in, Figure 1 A schematic structural diagram of a first embodiment of a bogie device for rail engineering machinery provided by the present utility model; Figure 2 A schematic diagram of the structure of the utility model is provided; Figure 3 Provides a structural diagram of the motor suspension seat for the utility model; Figure 4 A structural diagram of a horizontal lever seat is provided for the utility model; Figure 5 Provides a structural diagram of the brake cylinder for the utility model; Figure 6 The utility model provides a structural diagram of a horizontal lever body. The bogie device for rail engineering machinery comprises: a frame 1;
[0034] Four groups of primary suspension devices 17 are installed at the bottom of the frame 1 near both sides, and two axles 2 are installed at the bottom of the frame 1 near both sides through the axle box device 14. Wheels 13 are installed at both ends of each axle 2. Lever-type basic brake devices 18 are installed at the bottom of the frame 1 near both sides. Each lever-type basic brake device 18 includes two brake levers 182, and the top of one of the brake levers 182 is installed with a horizontal lever body 186 through a connecting rod 185. The other end of each horizontal lever body 186 is installed with a brake cylinder 181. Each brake lever A brake shoe device 183 is installed at the bottom end of the rod 182, a longitudinal tie rod 184 is installed between each group of the brake shoe devices 183, and a brake shoe gap adjustment device 187 is installed at one end of each longitudinal tie rod 184. A primary suspension device 17 is provided between the axle box device 14 and the frame 1. A hydraulic shock absorber 4 is installed at the middle position of the top of the frame 1. Rubber piles 10 are installed at the front and back positions of the top of the frame 1. A traction device 9 is installed at the front and back positions of the frame 1. Two secondary suspension devices 16 are installed at the top of the frame 1 near the front and back positions. Side panels 8 are installed at the front and back positions of the frame 1.
[0035] Two axle gearboxes 12, both of which are mounted on the outer surface of the axle 2, one side of the axle gearbox 12 being mounted with the drive device 3 via the coupling 5, and the other side of the axle gearbox 12 being mounted with the traction motor 6 via the coupling 5, and a gearbox suspension rod 11 being mounted on the top of each axle gearbox 12;
[0036] Two primary suspension devices 17 form a group. For specific installation positions, refer to Figure 1 , the axle 2 is located between the primary suspension devices 17, see Figure 2 , the longitudinal tie rod 184 is installed between the brake shoe devices 183 on the same side, for specific reference Figure 5 .
[0037] The frame 1 includes a fixing frame 101, a motor suspension seat 102 is installed at the top of the fixing frame 101 near both sides, and a frame gear box suspension seat 103 is installed at the bottom of the fixing frame 101 near the middle.
[0038] The structure on frame 1 is for the convenience of connection with the structure under frame 1. For the specific connection position, please refer to the supplementary instructions in the manual.
[0039] The first frame lever suspension seat 104 is installed near the middle of the bottom of the fixing frame 101, and the second frame lever suspension seat 105 is installed near both ends of the bottom of the fixing frame 101.
[0040] The lever type foundation brake device is installed on the lever suspension seat of the frame and the horizontal lever seat.
[0041] The working principle of the bogie device for rail engineering machinery provided by the utility model is as follows:
[0042] An axle gearbox 12 is installed on the outer surface of each axle 2, and the drive device 3 and the traction motor 6 are connected to the axle gearbox 12, so that the power can be balanced to increase the stability of the bogie. A brake cylinder 181, a brake lever 182, a brake shoe device 183, a longitudinal tie rod 184, a connecting rod 185, a brake shoe gap adjustment device 187 and a horizontal lever body 186 are installed on the front and back of the frame 1, respectively, which can provide stability for the braking or operation of the wheels 13. The four wheels 13 are installed at both ends of the two axles 2 and are located below the frame 1. At the same time, the wheels 13 are provided with support and shock-absorbing effects through the primary suspension device 17. A plurality of secondary suspension devices 16 are installed above the frame 1 for easy connection with the car body. The bogie of this patent adopts a double-sided lever type basic brake.
[0043] Compared with the related art, the bogie device for rail engineering machinery provided by the present invention has the following beneficial effects:
[0044] In order to increase the stability of the electric drive bogie during operation, an axle gearbox 12 is installed on the outer surface of each of the two axles 2, and the drive device 3 and the traction motor 6 are connected to the axle gearbox 12, so that the power can be balanced to increase the stability of the bogie. The front and back of the frame 1 are respectively installed with a brake cylinder 181, a brake lever 182, a brake shoe device 183, a longitudinal tie rod 184, a connecting rod 185, a brake shoe gap adjustment device 187 and a horizontal lever body 186, which can provide stability for the braking or operation of the wheel 13, and the four wheels 13 are installed at both ends of the two axles 2, so that they are located below the frame 1, and at the same time through a series of suspension devices. The device 17 provides support and shock absorption effect for the wheel 13, and a plurality of secondary suspension devices 16 are installed above the frame 1 for convenient connection with the vehicle body. The bogie of this patent adopts a double-sided lever-type basic brake, which effectively improves the basic braking capacity of the vehicle by increasing the number of brake shoes. At the same time, the lever-type basic brake has the characteristics of easy maintenance, low manufacturing cost and high stability. Through compact arrangement, the reasonable arrangement of double-sided lever brake and traction motor 6, gear box and other equipment is realized in the limited internal space of the bogie. By increasing the number of brake shoes, the basic braking capacity of the vehicle is effectively improved. Compared with the unit brake type basic brake device, the cost reduction effect is obvious and the operation stability is higher.
[0045] Second embodiment
[0046] Please refer to Figure 7 Figure 8 Figure 9 , Figure 7 A schematic structural diagram of a second embodiment of a bogie device for rail engineering machinery provided by the present utility model; Figure 8 Provides a structural diagram of the filter frame for the utility model; Figure 9 The present invention provides a structural schematic diagram of a conveying pump. Based on the bogie device for rail engineering machinery provided in the first embodiment of the present application, the second embodiment of the present application proposes another bogie device for rail engineering machinery. The second embodiment is only a preferred method of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.
[0047] Specifically, the difference of the bogie device for rail engineering machinery provided in the second embodiment of the present application is that a bottom plate 23 is mounted on the bottom of the axle gearbox 12 via a plurality of support bolts 22, a water storage frame 24 is fixedly connected to the top of the bottom plate 23 at a position located on the outer surface, a filter box 27 is mounted on the top of the bottom plate 23, a delivery pump 25 is mounted on the top of the filter box 27 via a protective shell 26, a delivery pipe 32 is mounted on the outlet of the delivery pump 25, and an oil suction pipe 34 is mounted on the inlet of the delivery pump 25;
[0048] The filter box 27 is provided with a cover, and the water storage frame 24 has a certain height to store cold water, but will not affect the installation of the axle gear box 12 . The other end of the delivery pipe 32 is connected to the top of the axle gear box 12 .
[0049] A return pipe 31 is installed on the top of the filter box 27. A filter plate 15 is installed inside the filter box 27 through a fixing bar 7. A conveying assembly 28 is installed on the top of the filter box 27. A suction pipe 30 with a counterweight head 29 is installed at the inlet of the conveying assembly 28. A connecting pipe 33 is installed at the outlet of the conveying assembly 28.
[0050] The connecting pipe 33 is connected to one end of the fixed pipe 21, the bottom end of the suction pipe 30 is located in the water storage frame 24, the conveying assembly 28 includes a shell and a conveying pump 25, and the other end of the return pipe 31 is connected to one side of the axle gearbox 12 near the bottom.
[0051] The top of the water storage frame 24 is fixedly connected to support rods 19 on both sides, the top of the support rods 19 is fixedly connected to a fixed pipe 21, and the bottom of the fixed pipe 21 is installed with multiple nozzles 20;
[0052] The nozzle of the spray head 20 is directed toward the axle gearbox 12 .
[0053] Compared with the related art, the bogie device for rail engineering machinery provided by the present invention has the following beneficial effects:
[0054] In order to facilitate cooling the inside of the axle gearbox 12 and ensure long-term working stability, a bottom plate 23 with a water storage frame 24 is installed at the bottom of the axle gearbox 12 through multiple support bolts 22, and then the filter box 27 is installed on the bottom plate 23. At the same time, the axle gearbox 12 and the filter box 27 are circulated through the return pipe 31, the delivery pump 25, the oil suction pipe 34 and the delivery pipe 32, so that the lubricant inside the axle gearbox 12 can flow out of the filter and cool down and be delivered to the inside of the axle gearbox 12. At the same time, the oil is delivered to the inside of the axle gearbox 12 through the delivery assembly 28. The cold water inside the water storage frame 24 is sprayed onto the outer surface of the axle gear box 12 through the nozzle 20 to achieve a heat dissipation effect. In actual use, the lubricating oil that has been filtered and returned to the filter box 27 is re-delivered to the inside of the axle gear box 12 through the delivery pump 25. The filter box 27 is soaked in cold water to assist in heat dissipation. This structure improves the heat dissipation effect of the axle gear box 12, and maintaining the temperature of the lubricating oil inside the axle gear box 12 is conducive to allowing the internal structure of the axle gear box 12 to work stably for a long time.
[0055] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A bogie device for rail engineering machinery, characterized in that: include: framework; The four groups of primary suspension devices are respectively installed at positions near both sides of the bottom of the frame, and two axles are respectively installed at positions near both sides of the bottom of the frame through axle box devices, and wheels are installed at both ends of each axle, and a lever-type basic brake device is installed at positions near both sides of the bottom of the frame, and each lever-type basic brake device includes two brake levers, the top end of one of the brake levers is installed with a horizontal lever body through a connecting rod, and the other end of each horizontal lever body is installed with a brake cylinder, and the bottom end of each brake lever is installed with a brake shoe device, and a longitudinal tie rod is installed between each group of brake shoe devices, and a brake shoe gap adjustment device is installed at one end of each longitudinal tie rod, and a primary suspension device is arranged between the axle box device and the frame, an oil pressure shock absorber is installed at the middle position of the top of the frame, rubber piles are installed at the front and back positions of the top of the frame, and traction devices are installed at the front and back positions of the frame, two secondary suspension devices are installed at positions near the front and back positions of the top of the frame, and side panels are installed at the front and back positions of the frame; Two axle gearboxes, both of which are installed on the outer surface of the axle, one side of one of the axle gearboxes is installed with a drive device through a coupling, and one side of the other axle gearbox is installed with a traction motor through a coupling, and a gearbox boom is installed on the top of each axle gearbox.
2. The bogie device for rail engineering machinery according to claim 1, characterized in that: The frame includes a fixing frame, a motor suspension seat is installed at the top of the fixing frame near the two sides, and a frame gear box suspension seat is installed at the bottom of the fixing frame near the middle.
3. The bogie device for rail engineering machinery according to claim 2, characterized in that: The bottom of the fixing frame is provided with a first frame lever suspension seat near the middle thereof, and the bottom of the fixing frame is provided with a second frame lever suspension seat near both ends thereof.
4. The bogie device for rail engineering machinery according to claim 1, characterized in that: A base plate is installed at the bottom of the axle gearbox through a plurality of support bolts, a water storage frame is fixedly connected to the top of the base plate at a position on the outer surface, a filter box is installed on the top of the base plate, a delivery pump is installed on the top of the filter box through a protective shell, a delivery pipe is installed at the outlet of the delivery pump, and an oil suction pipe is installed at the inlet of the delivery pump.
5. The bogie device for rail engineering machinery according to claim 4, characterized in that: A return pipe is installed on the top of the filter box, a filter plate is installed inside the filter box through a fixing bar, a conveying assembly is installed on the top of the filter box, a suction pipe with a counterweight head is installed at the inlet of the conveying assembly, and a connecting pipe is installed at the outlet of the conveying assembly.
6. The bogie device for rail engineering machinery according to claim 4, characterized in that: The top of the water storage frame is fixedly connected to support rods at positions on both sides, the tops of the support rods are fixedly connected to fixed pipes, and the bottoms of the fixed pipes are equipped with multiple nozzles.
Citation Information
Cited By
Bogie device for track engineering machinery
CN119261984A