Rail-crossing gear box suspender elastic node and knuckle bearing press fitting and positioning tool

Abstract

The utility model discloses a press fitting and positioning tool for an elastic node and a knuckle bearing of a suspension rod of a rail transit gearbox, and relates to the technical field of positioning tools. The device comprises a bottom plate, a knuckle bearing supporting seat is arranged on the left side of the top face of the bottom plate, a knuckle bearing mandrel is slidably connected into the knuckle bearing supporting seat, a small spring is fixedly connected to the bottom of the knuckle bearing mandrel, and the bottom end of the small spring is fixedly connected with the bottom plate. A joint bearing supporting seat is arranged on the bottom plate, a supporting base plate is arranged above the joint bearing supporting seat, an elastic joint supporting seat is arranged on the right side of the top face of the bottom plate, an elastic joint core shaft is arranged on the inner wall of the elastic joint supporting seat, and a first bolt is arranged between the elastic joint core shaft and the elastic joint supporting seat. During use, the effect of quickly and accurately installing the elastic joint and the knuckle bearing is achieved, it can be guaranteed that the installation angle is accurate, the situation that the elastic joint and the knuckle bearing are damaged due to misoperation is avoided, and the installation efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of positioning tooling technology, specifically to a tooling for pressing and positioning elastic nodes and joint bearings of a rail transit gearbox boom. Background Technology

[0002] Currently, in the rail transit gearbox maintenance industry, the installation of the elastic joints and spherical bearings of the gearbox suspension rods mainly relies on manual marking and direct pressing. This method has certain limitations and drawbacks: First, manual marking and direct pressing make it difficult to accurately guarantee the installation angle of the elastic joints; second, improper operation during the pressing process may cause the elastic joints or spherical bearings to tilt or be damaged, thereby reducing the operating efficiency and safety of the gearbox.

[0003] To address this, a tooling for pressing and positioning elastic nodes and spherical bearings of rail transit gearbox suspension rods is proposed. Utility Model Content

[0004] The purpose of this utility model is to solve the problems mentioned in the background art above. This utility model provides a tooling for pressing and positioning elastic nodes and joint bearings of rail transit gearbox suspension rods.

[0005] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0006] A tooling for pressing and positioning elastic nodes and spherical bearings on a rail transit gearbox suspension rod includes a base plate. A spherical bearing support seat is disposed on the left side of the top surface of the base plate. A spherical bearing spindle is slidably connected inside the spherical bearing support seat. A small spring is fixedly connected to the bottom of the spherical bearing spindle, and the bottom end of the small spring is fixedly connected to the base plate. A support pad is disposed above the spherical bearing support seat. An elastic node support seat is disposed on the right side of the top surface of the base plate. An elastic node spindle is disposed on the inner wall of the elastic node support seat. A space is formed between the elastic node spindle and the elastic node support seat. A first bolt is provided. A large spring is provided below the elastic node mandrel, and the two ends of the large spring are fixedly connected to the base plate and the elastic node mandrel respectively. A rod part is sleeved on the outside of the spherical bearing mandrel and the elastic node mandrel. A spherical bearing is sleeved on the top of the spherical bearing mandrel. A spherical bearing release sleeve is pressed on the top of the spherical bearing. The inner hole of the spherical bearing release sleeve matches the spherical bearing mandrel. A groove is provided in the middle of the elastic node mandrel. An elastic node is engaged in the inner wall of the groove. An elastic node release sleeve is pressed on the top of the elastic node.

[0007] Furthermore, a second bolt and a first locating pin are provided between the base plate and the spherical bearing support.

[0008] Furthermore, a second locating pin and a third bolt are provided between the support pad and the top of the spherical bearing support seat.

[0009] Furthermore, a third positioning pin and a fourth bolt are provided between the base plate and the elastic node support.

[0010] Furthermore, lifting rings are fixedly connected to both the left and right sides of the top surface of the base plate.

[0011] Furthermore, a guide key is fixedly connected to the inner wall of the elastic node support, and a keyway adapted to the guide key is opened on the surface of the elastic node spindle.

[0012] The beneficial effects of this utility model are as follows:

[0013] Insert the spherical bearing and the elastic node mandrel into both ends of the rod part respectively. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0016] Figure 3 This is a right sectional view of the structure of this utility model;

[0017] Reference numerals: 1. Base plate; 2. Spherical bearing support seat; 3. Support pad; 4. Spherical bearing spindle; 5. Spherical bearing unloading sleeve; 6. Elastic node support seat; 7. Elastic node spindle; 8. Elastic node; 9. Elastic node unloading sleeve; 10. Small spring; 11. Large spring; 12. Guide key; 13. First bolt; 14. Spherical bearing; 15. Rod body part; 16. Second bolt; 17. First locating pin; 18. Second locating pin; 19. Third bolt; 20. Fourth bolt; 21. Lifting ring; 22. Third locating pin. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] like Figures 1 to 3As shown, a tooling for pressing and positioning elastic nodes and spherical bearings of a rail transit gearbox suspension rod includes a base plate 1. A spherical bearing support seat 2 is provided on the left side of the top surface of the base plate 1. A spherical bearing spindle 4 is slidably connected inside the spherical bearing support seat 2. A small spring 10 is fixedly connected to the bottom of the spherical bearing spindle 4, and the bottom end of the small spring 10 is fixedly connected to the base plate 1. A support pad 3 is provided above the spherical bearing support seat 2. An elastic node support seat 6 is provided on the right side of the top surface of the base plate 1. An elastic node spindle 7 is provided on the inner wall of the elastic node support seat 6. A space is provided between the elastic node spindle 7 and the elastic node support seat 6. A first bolt 13 is placed. A large spring 11 is located below the elastic node mandrel 7, and both ends of the large spring 11 are fixedly connected to the base plate 1 and the elastic node mandrel 7, respectively. A rod part 15 is sleeved on the outer side of the spherical bearing mandrel 4 and the elastic node mandrel 7. A spherical bearing 14 is sleeved on the top of the spherical bearing mandrel 4. A spherical bearing release sleeve 5 is pressed on the top of the spherical bearing 14. The inner hole of the spherical bearing release sleeve 5 matches the spherical bearing mandrel 4. A groove is provided in the middle of the elastic node mandrel 7. An elastic node 8 is engaged with the inner wall of the groove. An elastic node release sleeve 9 is pressed on the top of the elastic node 8. More specifically, the two ends of the rod part 15 are respectively sleeved into the spherical bearing 14 and the elastic node mandrel 7. The spherical bearing 14 is sleeved on the spherical bearing mandrel 4 and placed at the top of the rod part 15. Insert the elastic node 8 into the slot of the elastic node mandrel 7 and place it at the top of the rod part 15. Place the corresponding joint bearing unloading sleeve 5 and elastic node unloading sleeve 9 on the joint bearing 14 and the elastic node 8, and press them into place with a hydraulic press.

[0023] A second bolt 16 and a first locating pin 17 are provided between the base plate 1 and the spherical bearing support 2. It should be noted that the second bolt 16 and the first locating pin 17 can fix the spherical bearing support 2 to the top of the base plate 1, and also facilitate the subsequent disassembly of the spherical bearing support 2.

[0024] A second locating pin 18 and a third bolt 19 are provided between the top of the support pad 3 and the spherical bearing support seat 2. More specifically, by providing the second locating pin 18 and the third bolt 19, the support pad 3 can be stably installed.

[0025] A third locating pin 22 and a fourth bolt 20 are provided between the base plate 1 and the elastic node support 6. It should be noted that the elastic node support 6 is installed and fixed by the third locating pin 22 and the fourth bolt 20, which makes subsequent disassembly and maintenance more convenient.

[0026] Lifting rings 21 are fixedly connected to both the left and right sides of the top surface of the base plate 1. More specifically, the lifting rings 21 facilitate the handling and movement of the equipment.

[0027] A guide key 12 is fixedly connected to the inner wall of the flexible node support 6, and a keyway adapted to the guide key 12 is opened on the surface of the flexible node spindle 7. It should be noted that the guide key 12 and the keyway cooperate to facilitate the positioning and installation of the flexible node spindle 7, so that the flexible node spindle 7 remains stable.

[0028] In summary: Insert the joint bearing 14 and the elastic node mandrel 7 into both ends of the rod part 15 respectively.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tooling for pressing and positioning elastic nodes and spherical bearings of a rail transit gearbox suspension rod, characterized in that, The system includes a base plate (1), a spherical bearing support seat (2) on the left side of the top surface of the base plate (1), a spherical bearing spindle (4) slidably connected inside the spherical bearing support seat (2), a small spring (10) fixedly connected to the bottom of the spherical bearing spindle (4), and the bottom end of the small spring (10) fixedly connected to the base plate (1). A support pad (3) is provided above the spherical bearing support seat (2). An elastic node support seat (6) is provided on the right side of the top surface of the base plate (1). An elastic node spindle (7) is provided on the inner wall of the elastic node support seat (6). A first bolt (13) is provided between the elastic node spindle (7) and the elastic node support seat (6). A large spring (11) is provided below the spindle (7), and the two ends of the large spring (11) are fixedly connected to the base plate (1) and the elastic node spindle (7) respectively. A rod part (15) is sleeved on the outside of the spherical bearing spindle (4) and the elastic node spindle (7). A spherical bearing (14) is sleeved on the top of the spherical bearing spindle (4). A spherical bearing release sleeve (5) is pressed on the top of the spherical bearing (14). The inner hole of the spherical bearing release sleeve (5) matches the spherical bearing spindle (4). A groove is provided in the middle of the elastic node spindle (7). An elastic node (8) is clamped on the inner wall of the groove. An elastic node release sleeve (9) is pressed on the top of the elastic node (8).

2. The fixture for pressing and positioning the elastic node and spherical bearing of a rail transit gearbox suspension rod according to claim 1, characterized in that, A second bolt (16) and a first locating pin (17) are provided between the base plate (1) and the spherical bearing support seat (2).

3. The fixture for pressing and positioning the elastic node and spherical bearing of a rail transit gearbox suspension rod according to claim 1, characterized in that, A second positioning pin (18) and a third bolt (19) are provided between the top of the support pad (3) and the joint bearing support seat (2).

4. The fixture for pressing and positioning the elastic node and spherical bearing of a rail transit gearbox suspension rod according to claim 1, characterized in that, A third positioning pin (22) and a fourth bolt (20) are provided between the base plate (1) and the elastic node support seat (6).

5. The fixture for pressing and positioning the elastic node and spherical bearing of a rail transit gearbox suspension rod according to claim 1, characterized in that, The top surface of the base plate (1) is fixedly connected to the left and right sides with lifting rings (21).

6. The fixture for pressing and positioning the elastic node and spherical bearing of a rail transit gearbox suspension rod according to claim 1, characterized in that, The inner wall of the elastic node support (6) is fixedly connected with a guide key (12), and the surface of the elastic node spindle (7) is provided with a keyway that matches the guide key (12).

Images