Reinforced supporting seat for bogie of railway wagon

By introducing an adjustment and lifting mechanism into the railway freight car bogie support, the problem of interference between the cylinder and the threaded slide rail was solved, enabling precise adjustment and lifting of the cover plate and improving the practicality and convenience of the support.

CN224170939UActive Publication Date: 2026-04-28NANJING ZHONGSHENG RAILWAY VEHICLE ACCESSORY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING ZHONGSHENG RAILWAY VEHICLE ACCESSORY CO LTD
Filing Date
2025-06-12
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

In the prior art, the cylinder and the threaded slide rail are prone to interference when adjusting the pre-adjustment plate, which makes the adjustment inconvenient.

Method used

The design employs a combination of adjustment and lifting mechanisms, including a hinge plate, servo motor, bevel gear, threaded rod, threaded sleeve, limit structure, cylinder, guide hole, and guide rod, to achieve precise adjustment and lifting of the cover plate while avoiding interference.

Benefits of technology

The practicality and convenience of the support base have been improved, ensuring that the cover can be pre-fitted to the carriage, reducing interference during the adjustment process, and improving the performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bogie supporting seats, and discloses a reinforced supporting seat for a railway wagon bogie, which comprises a bogie main body, wagon wheels are mounted at two ends of the inner side of the bogie main body, a lifting mechanism is arranged at the bottom end in a supporting cavity, and a mounting plate is mounted at the top end of the lifting mechanism. An adjusting mechanism is arranged at the top end of the mounting plate; an adjusting mechanism is arranged above a mounting plate, and a hinged plate, a mounting cavity, a servo motor, a driving bevel gear, a driven bevel gear, a threaded rod, a threaded sleeve, a movable cavity, a fixed rod, a movable sleeve, a limiting groove and a limiting block of the adjusting mechanism are matched with one another, so that the movable cavity can be used for driving a cover plate to move; according to the supporting seat, the position of the cover plate is adjusted, so that the cover plate can be pre-attached to the carriage during use, the effect of the supporting seat during use is better, and the practicability of the supporting seat during use is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of bogie support technology, specifically a reinforced support for railway freight car bogies. Background Technology

[0002] The bogie is a key running gear for railway freight cars, essentially acting as the vehicle's "feet." It primarily consists of a frame, wheelsets, spring suspension systems, and braking systems. Its core functions are to bear the weight of the car body, transmit traction and braking forces, and guide the vehicle along the track. Springs and shock absorbers cushion impacts during operation, ensuring vehicle stability; the braking system ensures reliable stopping. The performance of the bogie directly affects the freight car's load capacity, operating speed, and safety. It is a crucial foundational component for efficient and safe railway freight transport, and its structural design must adapt to different track conditions and freight demands.

[0003] For example, the announcement CN220009753U, entitled "A Railway Freight Car Bogie Support Structure", discloses that freight car wheels are connected to both sides inside the bogie, an axle is connected between the two freight car wheels, a support is fixedly connected to the top of the axle, and a pre-adjustment device is provided on the top of the support.

[0004] However, in the above technology, the servo motor drives the threaded slide rail and sliding block to move, and the cylinder drives the pre-adjustment plate to move. Since the cylinder and the threaded slide rail need to move at the same time, interference may occur when the cylinder and the threaded slide rail adjust the pre-adjustment plate, making the adjustment of the pre-adjustment plate inconvenient and reducing the practicality of the support base in use.

[0005] Therefore, we propose a reinforced support for railway freight car bogies to address the potential interference between the cylinder and threaded slide rail when adjusting the pre-adjustment plate, as mentioned above. Utility Model Content

[0006] The purpose of this invention is to provide a reinforced support for railway freight car bogies, in order to solve the problem of interference that may occur when the cylinder and threaded slide rail adjust the pre-adjustment plate as mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a reinforced support for a railway freight car bogie, comprising a bogie body, freight car wheels mounted at both ends of the inner side of the bogie body, a support body mounted at the top of the bogie body, a support cavity mounted at the top of the support body, a cover plate mounted at the top of the support cavity, a lifting mechanism provided at the bottom of the support cavity, an mounting plate mounted at the top of the lifting mechanism, and an adjustment mechanism provided at the top of the mounting plate;

[0008] The adjustment mechanism includes a hinge plate, a mounting cavity, a servo motor, a driving bevel gear, a driven bevel gear, a threaded rod, a threaded sleeve, a movable cavity, and a limiting structure. The hinge plate is installed on one side of the top of the mounting plate, and the top of the hinge plate is hinged to the bottom of the cover plate. The mounting cavity is installed on the other side of the top of the mounting plate. A servo motor is installed below one side of the mounting cavity, and a driving bevel gear is installed below one side inside the mounting cavity. The output end of the servo motor is connected to one end of the driving bevel gear. A driven bevel gear meshes above the driving bevel gear. A threaded rod is installed at the top of the driven bevel gear, and a threaded sleeve is installed on the outer wall of the threaded rod. A movable cavity is provided on the outer wall of the threaded sleeve. A fixed rod is installed at the bottom of the cover plate, and a movable sleeve is provided on the outer wall of the fixed rod. The bottom of the movable sleeve is hinged to the top of the movable cavity.

[0009] Preferably, the limiting structure includes a limiting groove and a limiting block. The limiting groove is formed on both sides inside the mounting cavity, and the limiting block is provided inside the limiting groove. One end of the limiting block is connected to the outside of the movable cavity.

[0010] Preferably, the cross-sectional area of ​​the cover plate is the same as the cross-sectional area of ​​the support cavity.

[0011] Preferably, the lifting mechanism includes a cylinder, a guide hole, and a guide rod. The cylinder is installed at the top of the support cavity, and the top of the cylinder is connected to the bottom of the mounting plate. The mounting plate has a guide hole inside, and a guide rod is installed inside the guide hole. The bottom of the guide rod is connected to the top of the support cavity.

[0012] Preferably, four guide holes are provided inside the mounting plate, and the four guide holes are symmetrically distributed about the central axis of the mounting plate.

[0013] Preferably, the inner diameter of the guide hole is larger than the outer diameter of the guide rod, and the guide hole and the guide rod form a sliding structure.

[0014] Preferably, a high-hardness wear-resistant layer is provided on the top of the cover plate, and the high-hardness wear-resistant layer may be WC-Co hard alloy.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. By setting an adjustment mechanism above the mounting plate, the adjustment mechanism utilizes the interplay between the hinge plate, mounting cavity, servo motor, driving bevel gear, driven bevel gear, threaded rod, threaded sleeve, movable cavity, fixed rod, movable sleeve, limiting groove, and limiting block to move the cover plate through the movable cavity, thereby adjusting the position of the cover plate. This allows the cover plate to be pre-fitted to the carriage during use, resulting in better performance of the support and greatly improving its practicality.

[0017] 2. By setting a lifting mechanism at the bottom of the support cavity, the mounting plate can be raised and lowered by the cooperation between the cylinder, guide hole and guide rod of the lifting mechanism, which makes the cover plate more convenient and quick to adjust, and also prevents the cover plate from interfering with the support cavity during adjustment, thereby greatly improving the convenience of the support base in use. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the adjustment mechanism of this utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the fixing rod of this utility model;

[0021] Figure 4 This is a schematic diagram of the overall structure of the lifting mechanism of this utility model;

[0022] Figure 5 This is a cross-sectional structural diagram of the adjustment mechanism of this utility model.

[0023] In the diagram: 1. Bogie body; 2. Truck wheel; 3. Support seat body; 4. Support cavity; 5. Cover plate; 6. Mounting plate; 7. Hinge plate; 8. Mounting cavity; 9. Servo motor; 10. Driving bevel gear; 11. Driven bevel gear; 12. Threaded rod; 13. Threaded sleeve; 14. Movable cavity; 15. Fixed rod; 16. Movable sleeve; 17. Limiting groove; 18. Limiting block; 19. Cylinder; 20. Guide hole; 21. Guide rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] Please see Figure 1-5 A reinforced support for railway freight car bogies includes a bogie body 1, freight car wheels 2 are mounted on both ends of the inner side of the bogie body 1, a support body 3 is mounted on the top of the bogie body 1, a support cavity 4 is mounted on the top of the support body 3, a cover plate 5 is mounted on the top of the support cavity 4, a lifting mechanism is provided at the bottom of the support cavity 4, an mounting plate 6 is mounted on the top of the lifting mechanism, and an adjustment mechanism is provided on the top of the mounting plate 6. The support body 3 is made of high-strength alloy steel, which makes the support body 3 stronger during use.

[0027] The adjustment mechanism includes a hinge plate 7, a mounting cavity 8, a servo motor 9, a driving bevel gear 10, a driven bevel gear 11, a threaded rod 12, a threaded sleeve 13, a movable cavity 14, and a limiting structure. The hinge plate 7 is mounted on one side of the top of the mounting plate 6, and the top of the hinge plate 7 is hinged to the bottom of the cover plate 5. The mounting cavity 8 is mounted on the other side of the top of the mounting plate 6. The servo motor 9 is mounted below one side of the mounting cavity 8. The driving bevel gear 10 is mounted below one side inside the mounting cavity 8. The output end of the servo motor 9 is connected to one end of the driving bevel gear 10. The driven bevel gear 11 meshes above the driving bevel gear 10. The threaded rod 12 is mounted on the top of the driven bevel gear 11. The threaded sleeve 13 is mounted on the outer wall of the threaded rod 12. The movable cavity 14 is provided on the outer wall of the threaded sleeve 13. A fixing rod 15 is mounted on the bottom of the cover plate 5. The outer wall of the fixed rod 15 is provided with a movable sleeve 16. The bottom end of the movable sleeve 16 is hinged to the top end of the movable cavity 14. In use, the servo motor 9 is started to drive the active bevel gear 10 to rotate. Since the active bevel gear 10 and the driven bevel gear 11 mesh with each other, the driven bevel gear 11 drives the threaded rod 12 to rotate, which in turn drives the threaded sleeve 13 to move. Therefore, under the limitation of the limiting groove 17 and the limiting block 18, the movable cavity 14 is driven to move. At this time, the movable sleeve 16 slides on the outer wall of the fixed rod 15. With the cooperation of the hinge plate 7, the angle of the cover plate 5 is adjusted. The tilt of the cover plate 5 is adjusted according to the tilt of the carriage, and the position of the cover plate 5 is adjusted so that the cover plate 5 can be pre-fitted with the carriage when in use, so that the support seat has a better effect when in use, thereby greatly improving the practicality of the support seat when in use.

[0028] The limiting structure includes a limiting groove 17 and a limiting block 18. The limiting groove 17 is formed on both sides inside the mounting cavity 8. The limiting block 18 is provided inside the limiting groove 17. One end of the limiting block 18 is connected to the outside of the movable cavity 14. In use, the mutual cooperation between the limiting groove 17 and the limiting block 18 can limit the movement of the movable cavity 14, making the movable cavity 14 more stable when moving.

[0029] The cross-sectional area of ​​the cover plate 5 is the same as the cross-sectional area of ​​the support cavity 4, which makes the support base more effective in use.

[0030] The lifting mechanism includes a cylinder 19, a guide hole 20, and a guide rod 21. The cylinder 19 is installed at the top of the support cavity 4, and the top of the cylinder 19 is connected to the bottom of the mounting plate 6. The mounting plate 6 has a guide hole 20 inside, and a guide rod 21 is installed inside the guide hole 20. The bottom of the guide rod 21 is connected to the top of the support cavity 4. In use, the cylinder 19 is activated, and under the guidance of the guide hole 20 and the guide rod 21, the cylinder 19 drives the mounting plate 6 to move upward, thereby driving the cover plate 5 to move upward. This makes the adjustment of the cover plate 5 more convenient and quick, and also prevents interference between the cover plate 5 and the support cavity 4 during adjustment, thus greatly improving the convenience of the support base in use.

[0031] Four guide holes 20 are provided inside the mounting plate 6. The four guide holes 20 are symmetrically distributed about the central axis of the mounting plate 6. The inner diameter of the guide hole 20 is larger than the outer diameter of the guide rod 21. The guide hole 20 and the guide rod 21 form a sliding structure. In use, the mutual cooperation between the guide hole 20 and the guide rod 21 can guide the mounting plate 6 when it moves, making the mounting plate 6 more stable when it moves.

[0032] Example 2

[0033] This embodiment is an improvement upon embodiment 1. For details, please refer to [link / reference]. Figure 1-5 A reinforced support for railway freight car bogies includes a bogie body 1, freight car wheels 2 are mounted on both ends of the inner side of the bogie body 1, a support body 3 is mounted on the top of the bogie body 1, a support cavity 4 is mounted on the top of the support body 3, a cover plate 5 is mounted on the top of the support cavity 4, a lifting mechanism is provided at the bottom of the support cavity 4, an mounting plate 6 is mounted on the top of the lifting mechanism, and an adjustment mechanism is provided on the top of the mounting plate 6. The support body 3 is made of high-strength alloy steel, which makes the support body 3 stronger during use.

[0034] The adjustment mechanism includes a hinge plate 7, a mounting cavity 8, a servo motor 9, a driving bevel gear 10, a driven bevel gear 11, a threaded rod 12, a threaded sleeve 13, a movable cavity 14, and a limiting structure. The hinge plate 7 is mounted on one side of the top of the mounting plate 6, and the top of the hinge plate 7 is hinged to the bottom of the cover plate 5. The mounting cavity 8 is mounted on the other side of the top of the mounting plate 6. The servo motor 9 is mounted below one side of the mounting cavity 8. The driving bevel gear 10 is mounted below one side inside the mounting cavity 8. The output end of the servo motor 9 is connected to one end of the driving bevel gear 10. The driven bevel gear 11 meshes above the driving bevel gear 10. The threaded rod 12 is mounted on the top of the driven bevel gear 11. The threaded sleeve 13 is mounted on the outer wall of the threaded rod 12. The movable cavity 14 is provided on the outer wall of the threaded sleeve 13. A fixing rod 15 is mounted on the bottom of the cover plate 5. The outer wall of the fixed rod 15 is provided with a movable sleeve 16. The bottom end of the movable sleeve 16 is hinged to the top end of the movable cavity 14. In use, the servo motor 9 is started to drive the active bevel gear 10 to rotate. Since the active bevel gear 10 and the driven bevel gear 11 mesh with each other, the driven bevel gear 11 drives the threaded rod 12 to rotate, which in turn drives the threaded sleeve 13 to move. Therefore, under the limitation of the limiting groove 17 and the limiting block 18, the movable cavity 14 is driven to move. At this time, the movable sleeve 16 slides on the outer wall of the fixed rod 15. With the cooperation of the hinge plate 7, the angle of the cover plate 5 is adjusted. The tilt of the cover plate 5 is adjusted according to the tilt of the carriage, and the position of the cover plate 5 is adjusted so that the cover plate 5 can be pre-fitted with the carriage when in use, so that the support seat has a better effect when in use, thereby greatly improving the practicality of the support seat when in use.

[0035] The limiting structure includes a limiting groove 17 and a limiting block 18. The limiting groove 17 is formed on both sides inside the mounting cavity 8. The limiting block 18 is provided inside the limiting groove 17. One end of the limiting block 18 is connected to the outside of the movable cavity 14. In use, the mutual cooperation between the limiting groove 17 and the limiting block 18 can limit the movement of the movable cavity 14, making the movable cavity 14 more stable when moving.

[0036] The cross-sectional area of ​​the cover plate 5 is the same as the cross-sectional area of ​​the support cavity 4, which makes the support base more effective in use.

[0037] The lifting mechanism includes a cylinder 19, a guide hole 20, and a guide rod 21. The cylinder 19 is installed at the top of the support cavity 4, and the top of the cylinder 19 is connected to the bottom of the mounting plate 6. The mounting plate 6 has a guide hole 20 inside, and a guide rod 21 is installed inside the guide hole 20. The bottom of the guide rod 21 is connected to the top of the support cavity 4. In use, the cylinder 19 is activated, and under the guidance of the guide hole 20 and the guide rod 21, the cylinder 19 drives the mounting plate 6 to move upward, thereby driving the cover plate 5 to move upward. This makes the adjustment of the cover plate 5 more convenient and quick, and also prevents interference between the cover plate 5 and the support cavity 4 during adjustment, thus greatly improving the convenience of the support base in use.

[0038] Four guide holes 20 are provided inside the mounting plate 6. The four guide holes 20 are symmetrically distributed about the central axis of the mounting plate 6. The inner diameter of the guide hole 20 is larger than the outer diameter of the guide rod 21. The guide hole 20 and the guide rod 21 form a sliding structure. In use, the mutual cooperation between the guide hole 20 and the guide rod 21 can guide the mounting plate 6 when it moves, making the mounting plate 6 more stable when it moves.

[0039] A high-hardness wear-resistant layer is provided on the top of the cover plate 5. The wear-resistant layer can be WC-Co hard alloy, which makes the cover plate 5 perform better in use.

[0040] Working principle: When the car body is lifted by the crane, the bogie body 1 is pushed under the car body. When the crane lowers the car body to a certain height, it activates cylinder 19. Guided by guide hole 20 and guide rod 21, cylinder 19 drives mounting plate 6 to move upward, which in turn drives cover plate 5 to move upward. Then, servo motor 9 is activated to drive drive bevel gear 10 to rotate. Since drive bevel gear 10 and driven bevel gear 11 mesh with each other, driven bevel gear 11 drives threaded rod 12 to rotate, which in turn drives... The movable threaded sleeve 13 moves, and under the limitation of the limiting groove 17 and the limiting block 18, it drives the movable cavity 14 to move. At this time, the movable sleeve 16 slides on the outer wall of the fixed rod 15. With the cooperation of the hinge plate 7, the angle of the cover plate 5 is adjusted. The tilt of the cover plate 5 is adjusted according to the tilt of the carriage. After the carriage is attached to the cover plate 5, the servo motor 9 is started to reverse, which drives the cover plate 5 to return to its original position. Finally, the cylinder 19 is started to reverse, which drives the cover plate 5 to move downward, so that the cover plate 5 is attached to the support cavity 4.

[0041] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A reinforced support for a railway freight car bogie, comprising a bogie body (1), characterized in that: Truck wheels (2) are installed at both ends of the inner side of the bogie body (1). A support seat body (3) is installed at the top of the bogie body (1). A support cavity (4) is installed at the top of the support seat body (3). A cover plate (5) is installed at the top of the support cavity (4). A lifting mechanism is provided at the bottom of the support cavity (4). An installation plate (6) is installed at the top of the lifting mechanism. An adjustment mechanism is provided at the top of the installation plate (6). The adjustment mechanism includes a hinge plate (7), a mounting cavity (8), a servo motor (9), a driving bevel gear (10), a driven bevel gear (11), a threaded rod (12), a threaded sleeve (13), a movable cavity (14), and a limiting structure. The hinge plate (7) is installed on one side of the top of the mounting plate (6), and the top of the hinge plate (7) is hinged to the bottom of the cover plate (5). The mounting cavity (8) is installed on the other side of the top of the mounting plate (6). A servo motor (9) is installed below one side of the mounting cavity (8), and a driving bevel gear (10) is installed below one side inside the mounting cavity (8). The output end of the servo motor (9) is connected to one end of the active bevel gear (10). A driven bevel gear (11) meshes above the active bevel gear (10). A threaded rod (12) is installed at the top of the driven bevel gear (11). A threaded sleeve (13) is installed on the outer wall of the threaded rod (12). A movable cavity (14) is provided on the outer wall of the threaded sleeve (13). A fixed rod (15) is installed at the bottom of the cover plate (5). A movable sleeve (16) is provided on the outer wall of the fixed rod (15). The bottom end of the movable sleeve (16) is hinged to the top end of the movable cavity (14).

2. A reinforced support for a railway freight car bogie according to claim 1, characterized in that: The limiting structure includes a limiting groove (17) and a limiting block (18). The limiting groove (17) is opened on both sides inside the mounting cavity (8). The limiting block (18) is provided inside the limiting groove (17). One end of the limiting block (18) is connected to the outside of the movable cavity (14).

3. A reinforced support for a railway freight car bogie according to claim 2, characterized in that: The area of ​​the cross-section of the cover plate (5) is the same as the area of ​​the cross-section of the support cavity (4).

4. A reinforced support for a railway freight car bogie according to claim 1, characterized in that: The lifting mechanism includes a cylinder (19), a guide hole (20), and a guide rod (21). The cylinder (19) is installed at the top of the support cavity (4). The top of the cylinder (19) is connected to the bottom of the mounting plate (6). The mounting plate (6) has a guide hole (20) inside. The guide rod (21) is installed inside the guide hole (20). The bottom of the guide rod (21) is connected to the top of the support cavity (4).

5. A reinforced support for a railway freight car bogie according to claim 4, characterized in that: Four guide holes (20) are provided inside the mounting plate (6), and the four guide holes (20) are symmetrically distributed about the central axis of the mounting plate (6).

6. A reinforced support for a railway freight car bogie according to claim 5, characterized in that: The inner diameter of the guide hole (20) is larger than the outer diameter of the guide rod (21), and the guide hole (20) and the guide rod (21) form a sliding structure.

7. A reinforced support for a railway freight car bogie according to claim 1, characterized in that: A high-hardness wear-resistant layer is provided on the top of the cover plate (5), and the hardness wear-resistant layer may be WC-Co hard alloy.

Citation Information

Patent Citations

  • Railway wagon bogie supporting seat structure

    CN220009753U