Bearing seat for railway vehicle
By introducing components such as limiting plates, locking plates, and limiting rods into the bearing housing, the problems of stress concentration and complexity during bearing housing installation are solved, achieving stable fixation and simplified installation, thereby improving the safety and stability of rail vehicles.
Patent Information
- Application Number
- CN202520419945.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing bearing housings used in rail vehicles are prone to stress concentration due to drilling during installation, which increases the risk of fatigue failure. In addition, the installation process is complicated and affects the safety and stability of the vehicle.
A bearing housing structure was designed. By setting components such as a limiting plate, a locking plate, and a limiting rod on the mounting plate, the lower base and the upper base are stably fixed, avoiding drilling for installation. The disassembly process is simplified by using components such as limiting blocks and springs.
This achieves stable fixation of the bearing housing, reduces the risk of stress concentration, simplifies the installation process, and improves the overall strength and practicality of the device.
Smart Images

Figure CN223923627U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of bearing seat, concretely is a kind of bearing seat for railway vehicle. BACKGROUND
[0002] In the field of mechanical engineering, bearing seat is an indispensable important component, in traditional mechanical operation system, the support and positioning of shaft are crucial, bearing seat comes into being, early bearing seat design is relatively simple, it is casted by single material, such as cast iron, main function is just fixed bearing, ensure the stability of shaft in the process of operation, with the continuous development of industry, the precision, stability and carrying capacity of mechanical equipment are increasingly improved.
[0003] The existing bearing seat for railway vehicle is usually provided with a group of lower bases, and a group of upper bases is arranged on the top of the lower bases, the lower bases and the upper bases are provided with mounting plates on one side, and through holes are formed in the mounting plates, when the lower bases and the upper bases need to be fixed and installed, the bolts are sleeved in the through holes, and the installation of the bearing seat is completed.
[0004] However, for the existing bearing seat for railway vehicle, the hole in the mounting plate may become a stress concentration area, increasing the risk of fatigue failure, and the processing and installation process of bolt connection is relatively complex. This includes steps such as hole opening on the plate, tightening of the bolt, which not only increases the manufacturing workload, but also has strict requirements on precision. If the precision is not up to standard, it may cause loose connection or damage to the steel, thereby affecting the safety and stability of the railway vehicle. TECHNICAL PROBLEM
[0005] Therefore, the utility model aims at providing a bearing seat for railway vehicle to solve the technical problem of poor use effect of the existing bearing seat for railway vehicle.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bearing seat for railway vehicle, comprising a lower base, an upper base is arranged on the top of the lower base, a mounting plate is arranged on one side of the lower base, a side groove is arranged on one side of the mounting plate, and a mounting groove is further formed on one side of the mounting plate, a limiting groove is formed on one side of the mounting groove, a limiting plate is arranged on one side of the mounting plate, an inner groove is formed in the limiting plate, a limiting rod is fixedly installed in the inner groove, a clamping plate is arranged on one side of the limiting plate, an inner cavity is formed in the clamping plate, a sliding groove is formed on the top of the inner cavity, a contraction groove is formed on one side of the inner cavity, a spring is fixedly installed on one side of the inner cavity, a slide plate is arranged on one end of the spring, a supporting rod is arranged on one side of the slide plate, a limiting block is arranged on one end of the supporting rod, and a cover plate is further arranged on the top of the supporting rod.
[0007] By adopting the above technical solution, the problem of poor performance of existing bearing seats for rail vehicles is solved. A limiting plate is placed on one side of the mounting plate, and the side of the mounting plate is fitted into an inner groove within the limiting plate. A limiting rod, fixedly installed in the inner groove, is fitted into a side groove on one side of the mounting plate. Simultaneously, a locking plate is also provided on one side of the limiting plate, fitted into an installation groove on one side of the mounting plate. This locking plate effectively limits the movement of the lower and upper bases, preventing slippage. Furthermore, a shrinkage groove is provided on the side of the locking plate, within which a limiting block is movably installed. One end of the limiting block fits into a limiting groove on one side of the installation groove, allowing the limiting plate and locking plate to engage with the mounting plate. This securely mounts the lower and upper bases, ensuring they function properly and avoiding the need for drilling holes on the sides of the lower and upper bases during installation, which would affect the overall strength of the device and reduce its performance.
[0008] The present invention is further configured such that the cross-sectional area of the locking plate is the same as the cross-sectional area of the mounting groove, and the locking plate is fitted inside the mounting groove.
[0009] Preferably, by having the same cross-sectional area as the mounting groove, the locking plate is fitted inside the mounting groove, allowing the locking plate to be stably installed inside the mounting plate, thereby achieving the desired fixing effect.
[0010] The present invention is further configured such that the cross-sectional area of the limiting rod is the same as the cross-sectional area of the side groove, and the limiting rod is sleeved inside the side groove.
[0011] Preferably, by making the cross-sectional area of the limiting rod the same as that of the side groove, the limiting rod is sleeved in the side groove, so that the limiting rod can be stably installed in the side groove, thereby playing a limiting role on the mounting plate.
[0012] The present invention is further configured such that a through hole is provided between the sliding groove and the shrinkage groove, and the support rod is sleeved inside the through hole.
[0013] Preferably, by providing a through hole between the slide groove and the shrinkage groove, and sleeve the support rod inside the through hole, the limiting block can be slidably installed in the limiting groove, thereby achieving the desired effect.
[0014] The present invention is further configured such that the cross-sectional area of the limiting block is the same as the cross-sectional area of the contraction groove and the limiting groove, one end of the limiting block is fitted into the contraction groove, and the other end is fitted into the limiting groove.
[0015] Preferably, by making the cross-sectional area of the limiting block the same as that of the shrink groove and the limiting groove, one end of the limiting block is fitted into the shrink groove and the other end is fitted into the limiting groove, so that the limiting plate and the locking plate can be fixedly installed on one side of the lower base and the upper base, so that the lower base and the upper base can achieve the desired effect.
[0016] The present invention is further configured such that one side of the mounting plate is fitted inside the inner groove, and the width of the inner groove is the same as the width of the two sets of mounting plates.
[0017] Preferably, by fitting one side of the mounting plate into the inner groove, the width of the inner groove being the same as the width of the two sets of mounting plates, a limiting effect is provided for the lower base and the upper base, preventing the lower base and the upper base from sliding and thus affecting the normal use of the device.
[0018] The present invention is further configured such that the length of the slide groove is less than the length of the inner cavity, the slide plate is disposed inside the inner cavity and the slide groove, and the cover plate is disposed on one side of the slide groove.
[0019] Preferably, by setting the length of the chute to be less than the length of the inner cavity, the slide plate is placed inside the inner cavity and the chute, allowing the slide plate to slide within the inner cavity and the chute. The cover plate is placed on one side of the chute to prevent external media from entering the inner cavity and thus affecting the normal use of the device.
[0020] In summary, the present invention has the following main advantages:
[0021] 1. This utility model, by comprising a lower base, an upper base, a mounting plate, a mounting groove, a side groove, a limiting groove, a limiting plate, an inner groove, a limiting rod, a locking plate, an inner cavity, a sliding groove, a contraction groove, a spring, a sliding plate, a support rod, a limiting block, and a cover plate, solves the problem of poor performance of existing bearing seats for rail vehicles. By placing the limiting plate on one side of the mounting plate, and having the side of the mounting plate fitted into the inner groove within the limiting plate, and the limiting rod fixedly installed in the inner groove fitted into the side groove on one side of the mounting plate, and also providing a locking plate on one side of the limiting plate, the locking plate is fitted into the mounting groove. The mounting groove on one side of the plate serves to limit the movement of the lower and upper bases, preventing them from sliding. A shrinkage groove is also provided on the side of the locking plate, within which a limiting block is movably installed. One end of the limiting block fits into the limiting groove on one side of the mounting groove, allowing the limiting plate and locking plate to be secured to the mounting plate. This ensures the lower and upper bases are fixed in place and can be used effectively, avoiding the need to drill holes on the sides of the lower and upper bases during installation, which would affect the overall strength of the device and reduce its performance.
[0022] 2. This utility model features a locking plate with an inner cavity. A sliding groove is formed at the top of the inner cavity, and a sliding plate is movably mounted within the inner cavity and the sliding groove. A spring is mounted on one side of the sliding plate, with one end of the spring fixedly installed on one side of the inner cavity. When the limiting plate and locking plate need to be disassembled or replaced, sliding the sliding plate to one side allows the support rod fixedly mounted on one side of the sliding plate and the limiting block at the end of the support rod to slide out of the limiting groove, thereby releasing the limiting plate and locking plate. This design is simple to operate and facilitates the installation and disassembly of the device. A cover plate is also provided on top of the sliding plate, covering the sliding groove and preventing external media from entering the inner cavity, thus affecting the normal use of the device and improving its practicality. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the first main structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the second main structure of this utility model;
[0025] Figure 3 This utility model Figure 2 Enlarged view of A in the middle;
[0026] Figure 4 This is a cross-sectional view of the inner cavity and the sliding groove of this utility model.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Lower base; 2. Upper base; 3. Mounting plate; 4. Mounting groove; 41. Side groove; 42. Limiting groove; 5. Limiting plate; 51. Inner groove; 52. Limiting rod; 6. Engaging plate; 7. Inner cavity; 71. Slide groove; 72. Shrinkage groove; 8. Spring; 9. Slide plate; 10. Support rod; 11. Limiting block; 12. Cover plate. Detailed Implementation
[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0030] The embodiments of this utility model will be described below based on its overall structure.
[0031] Please see Figures 1-4The system includes a lower base 1, an upper base 2 on top of the lower base 1, a mounting plate 3 on one side of the lower base 1, a side groove 41 on one side of the mounting plate 3, and a mounting groove 4 on one side of the mounting plate 3. A limiting groove 42 is provided on one side of the mounting groove 4. A limiting plate 5 is provided on one side of the mounting plate 3. An inner groove 51 is provided inside the limiting plate 5. A limiting rod 52 is fixedly installed in the inner groove 51. A locking plate 6 is provided on one side of the limiting plate 5. An inner cavity 7 is provided inside the locking plate 6. A sliding groove 71 is provided at the top of the inner cavity 7. A shrink groove 72 is provided on one side of the inner cavity 7. A spring 8 is fixedly installed on one side of the inner cavity 7. A sliding plate 9 is provided at one end of the spring 8. A support rod 10 is provided on one side of the sliding plate 9. A limiting block 11 is provided at one end of the support rod 10. A cover plate 12 is provided at the top of the support rod 10.
[0032] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 and Figure 2 The cross-sectional area of the snap-fit plate 6 is the same as that of the mounting groove 4. The snap-fit plate 6 is fitted inside the mounting groove 4. By making the cross-sectional area of the snap-fit plate 6 the same as that of the mounting groove 4, the snap-fit plate 6 can be stably installed inside the mounting plate 3, thereby achieving the ideal fixing effect.
[0033] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 and Figure 2 The cross-sectional area of the limiting rod 52 is the same as that of the side groove 41. The limiting rod 52 is sleeved in the side groove 41. By making the cross-sectional area of the limiting rod 52 the same as that of the side groove 41, the limiting rod 52 can be stably installed in the side groove 41, thereby playing a limiting role on the mounting plate 3.
[0034] For details regarding the above embodiments, please refer to [link / reference]. Figure 4 A through hole is provided between the sliding groove 71 and the shrinkage groove 72, and the support rod 10 is sleeved inside the through hole. By providing a through hole between the sliding groove 71 and the shrinkage groove 72, and sleeved inside the through hole, the limiting block 11 can be slidably installed in the limiting groove 42, thereby achieving the desired effect.
[0035] For details regarding the above embodiments, please refer to [link / reference]. Figure 3 and Figure 4The cross-sectional area of the limiting block 11 is the same as that of the shrink groove 72 and the limiting groove 42. One end of the limiting block 11 is fitted into the shrink groove 72 and the other end is fitted into the limiting groove 42. By making the cross-sectional area of the limiting block 11 the same as that of the shrink groove 72 and the limiting groove 42, and by fitting one end of the limiting block 11 into the shrink groove 72 and the other end into the limiting groove 42, the limiting plate 5 and the locking plate 6 can be fixedly installed on one side of the lower base 1 and the upper base 2, so that the lower base 1 and the upper base 2 can achieve the desired effect.
[0036] For details regarding the above embodiments, please refer to [link / reference]. Figure 1 One side of the mounting plate 3 is fitted into the inner groove 51. The width of the inner groove 51 is the same as the width of the two sets of mounting plates 3. By fitting one side of the mounting plate 3 into the inner groove 51, the width of the inner groove 51 is the same as the width of the two sets of mounting plates 3, which has a limiting effect on the lower base 1 and the upper base 2, preventing the lower base 1 and the upper base 2 from sliding, thereby affecting the normal use of the device.
[0037] For details regarding the above embodiments, please refer to [link / reference]. Figure 4 The length of the slide groove 71 is less than the length of the inner cavity 7. The slide plate 9 is set inside the inner cavity 7 and the slide groove 71. The cover plate 12 is set on one side of the slide groove 71. By setting the length of the slide groove 71 to be less than the length of the inner cavity 7, the slide plate 9 is set inside the inner cavity 7 and the slide groove 71, so that the slide plate 9 can slide inside the inner cavity 7 and the slide groove 71. The cover plate 12 is set on one side of the slide groove 71 to prevent external media from entering the inner cavity 7, thereby affecting the normal use of the device.
[0038] In practical operation, when the lower base 1 and upper base 2 need to be installed, the upper base 2 is aligned and placed on top of the lower base 1. Then, the limiting plate 5 is fitted onto one side of the mounting plate 3, and the side of the mounting plate 3 is fitted into the inner groove 51 opened in the limiting plate 5. The limiting rod 52, which is fixedly installed in the inner groove 51, is fitted into the side groove 41 opened on one side of the mounting plate 3. At the same time, a locking plate 6 is also provided on one side of the limiting plate 5, and the locking plate 6 is fitted into the mounting groove 41 opened on one side of the mounting plate 3. Inside the groove 4, the lower base 1 and the upper base 2 are positioned to prevent sliding between them. A shrinkage groove 72 is also provided on the side of the locking plate 6, within which a limiting block 11 is movably installed. One end of the limiting block 11 is fitted into the limiting groove 42 on one side of the mounting groove 4, allowing the limiting plate 5 and the locking plate 6 to be engaged with the mounting plate 3. This securely mounts the lower base 1 and the upper base 2, ensuring they can move together. To achieve the desired effect, drilling holes on the sides of the lower base 1 and upper base 2 during installation is avoided, which would affect the overall strength of the device and reduce its effectiveness. An inner cavity 7 is provided within the locking plate 6, and a sliding groove 71 is provided at the top of the inner cavity 7. A sliding plate 9 is movably installed within the inner cavity 7 and the sliding groove 71. A spring 8 is provided on one side of the sliding plate 9, with one end of the spring 8 fixedly installed on one side of the inner cavity 7. When the limiting plate 5 and the locking plate 6 need to be disassembled or replaced, sliding the sliding plate 9 to one side allows the support rod 10 fixedly installed on one side of the sliding plate 9 and the limiting block 11 at the end of the support rod 10 to slide out from the limiting groove 42, thereby releasing the limiting plate 5 and the locking plate 6. This operation is simple and facilitates the installation and disassembly of the device. A cover plate 12 is also provided on the top of the sliding plate 9, which covers the sliding groove 71, preventing external media from entering the inner cavity 7 and affecting the normal use of the device, thus improving the practicality of the device.
[0039] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A bearing housing for rail vehicles, comprising a lower base (1), characterized in that: The lower base (1) has an upper base (2) on its top. A mounting plate (3) is provided on one side of the lower base (1). A side groove (41) is provided on one side of the mounting plate (3), and a mounting groove (4) is also provided on one side of the mounting plate (3). A limiting groove (42) is provided on one side of the mounting groove (4). A limiting plate (5) is provided on one side of the mounting plate (3). An inner groove (51) is provided inside the limiting plate (5). A limiting rod (52) is fixedly installed inside the inner groove (51). The limiting plate (5) has… A locking plate (6) is provided on one side, and an inner cavity (7) is provided inside the locking plate (6). A sliding groove (71) is provided on the top of the inner cavity (7). A shrinkage groove (72) is provided on one side of the inner cavity (7). A spring (8) is fixedly installed on one side of the inner cavity (7). A sliding plate (9) is provided at one end of the spring (8). A support rod (10) is provided on one side of the sliding plate (9). A limit block (11) is provided at one end of the support rod (10). A cover plate (12) is also provided on the top of the support rod (10).
2. A bearing housing for rail vehicles according to claim 1, characterized in that: The cross-sectional area of the locking plate (6) is the same as that of the mounting groove (4), and the locking plate (6) is fitted inside the mounting groove (4).
3. A bearing housing for rail vehicles according to claim 1, characterized in that: The cross-sectional area of the limiting rod (52) is the same as that of the side groove (41), and the limiting rod (52) is sleeved in the side groove (41).
4. A bearing housing for rail vehicles according to claim 1, characterized in that: A through hole is provided between the chute (71) and the shrinkage groove (72), and the support rod (10) is sleeved inside the through hole.
5. A bearing housing for rail vehicles according to claim 1, characterized in that: The cross-sectional area of the limiting block (11) is the same as that of the shrinkage groove (72) and the limiting groove (42). One end of the limiting block (11) is fitted into the shrinkage groove (72), and the other end is fitted into the limiting groove (42).
6. A bearing housing for rail vehicles according to claim 1, characterized in that: One side of the mounting plate (3) is fitted inside the inner groove (51), and the width of the inner groove (51) is the same as the width of the two sets of mounting plates (3).
7. A bearing housing for rail vehicles according to claim 1, characterized in that: The length of the groove (71) is less than the length of the inner cavity (7), the slide plate (9) is disposed inside the inner cavity (7) and the groove (71), and the cover plate (12) is disposed on one side of the groove (71).