Bearing mounting seat anti-loosening structure of planetary carrier

Abstract

The utility model discloses a bearing mounting seat anti -loose structure of planetary carrier, including planetary carrier body, the planetary carrier body inside fixedly connected with bearing seat, and the inboard screw thread connection of bearing seat has the locating ring, and the recess is seted up in the inner wall of locating ring, first hydraulic cylinder body is provided with the hydraulic pipe to one side of first hydraulic cylinder body, and the inboard clamping of first piston rod has the bearing body, and the top of locating ring is provided with the locking ring, the outer wall of locking ring is seted up with the thread, and the recess is seted up in the inner wall of locking ring, hydraulic connection pipe and second hydraulic cylinder body are provided with in the recess, and locking ring and bearing seat are screw thread connection, and the inboard of locking ring is provided with second piston rod, and second piston rod is located in the top side of bearing body. The device guarantees the firmness of bearing body installation while guaranteeing bearing body installation speed, thereby avoiding the axial activity of bearing body in the use process of the device, and the abrasion of bearing body is avoided.

Description

Technical Field

[0001] This utility model relates to the field of mechanical parts processing technology, specifically to an anti-loosening structure for a planetary carrier bearing mounting seat. Background Technology

[0002] Precision machining of mechanical parts refers to the process of using high-precision technology and equipment to process metallic or non-metallic raw materials into mechanical parts with strict dimensional tolerances, geometrical accuracy, and surface quality requirements. The planetary carrier is one of the core structural components in a planetary gear transmission system, playing a crucial role in supporting the planetary gears, transmitting power and torque, and ensuring the coordinated motion of the gear system. It is widely used in high-precision, high-load applications such as automotive automatic transmissions, new energy electric drive systems, industrial reducers, wind turbine gearboxes, robot joints, and aerospace transmission devices.

[0003] During the precision assembly of planetary carriers, the bearings are usually directly inserted into the bearing housing of the planetary carrier. Because there is a gap between the bearing and the bearing housing, the bearing will move axially, which not only results in poor stability but also causes wear. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide an anti-loosening structure for the bearing mounting seat of a planetary carrier, so as to solve the problem of unstable bearing installation mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bearing mounting seat anti-loosening structure for a planetary carrier, comprising a planetary carrier body, a bearing seat fixedly connected inside the planetary carrier body, a positioning ring threadedly connected to the inner side of the bearing seat, a groove formed on the inner wall of the positioning ring, a first hydraulic cylinder disposed inside the groove, a first piston rod telescopically connected to one end of the first hydraulic cylinder, a hydraulic pipe disposed on one side of the first hydraulic cylinder, a bearing body clamped inside the first piston rod, a locking ring disposed at the top of the positioning ring, the locking ring being threadedly connected to the bearing seat, a second piston rod disposed inside the locking ring, the second piston rod being located on the top side of the bearing body.

[0006] Preferably, the outer wall of the locking ring is threaded, and the inner wall of the locking ring is grooved, with a hydraulic connecting pipe and a second hydraulic cylinder disposed inside the groove.

[0007] Preferably, one end of the hydraulic connecting pipe is connected to the second hydraulic cylinder, and a second piston rod is telescopically connected inside the second hydraulic cylinder.

[0008] Preferably, the second piston rod and the second hydraulic cylinder are both distributed in a ring at equal intervals around the inner side of the locking ring, and the bottom of the second piston rod has a horizontal structure.

[0009] Preferably, the outer wall of the bearing housing has a through hole, which is used for connecting the hydraulic equipment pipe body.

[0010] Preferably, the inner wall of the first piston rod has an arc-shaped structure, and an anti-slip pad is provided on the inner wall of the first piston rod.

[0011] Preferably, the anti-slip mat is made of rubber and has a rough surface.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) This device ensures the installation speed of the bearing body while ensuring the firmness of the bearing body installation, thereby avoiding axial movement of the bearing body during the use of this device and avoiding wear of the bearing body.

[0014] (2) This device connects a positioning ring to the inner wall of the bearing housing, and sets a hydraulically controlled first piston rod and a first hydraulic cylinder inside the positioning ring. This allows the first piston rod to clamp and limit the outer wall of the bearing housing after it is assembled into the positioning ring, thereby ensuring the firmness of the bearing housing.

[0015] (3) This device sets a locking ring at the top of the positioning ring. The second piston rod inside the locking ring can extend to limit the top of the bearing body, thereby cooperating with the first piston rod to achieve a dual positioning effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the anti-loosening structure of the bearing mounting seat of the planetary carrier according to the present invention;

[0017] Figure 2 This utility model relates to an anti-loosening structure for a planetary carrier bearing mounting seat. Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a top sectional view of the locking ring of the anti-loosening structure of the bearing mounting seat of the planetary carrier according to this utility model;

[0019] Figure 4 This is a top view of the connection between the bearing seat and the positioning ring in the anti-loosening structure of the bearing mounting seat of the planetary carrier according to this utility model.

[0020] Figure 5 This is a side view of the first piston rod of the anti-loosening structure of the bearing mounting seat of the planetary carrier according to this utility model.

[0021] In the diagram: 1. Planetary carrier; 2. Bearing housing; 3. Locking ring; 4. Bearing body; 5. Positioning ring; 6. Hydraulic pipe; 7. First piston rod; 8. First hydraulic cylinder; 9. Hydraulic connecting pipe; 10. Second piston rod; 11. Second hydraulic cylinder; 12. Anti-slip pad. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-5 This utility model provides a technical solution: a bearing mounting seat anti-loosening structure for a planetary carrier, including a planetary carrier body 1, a bearing seat 2 fixedly connected inside the planetary carrier body 1, and a through hole on the outer wall of the bearing seat 2 for connecting the hydraulic equipment pipe. The first piston rod 7 and the first hydraulic cylinder 8 of this structure combine to form a hydraulic cylinder, controlled by a hydraulic oil pump or other equipment. In this device, the hydraulic oil pump and hydraulic pipe 6 are installed in a spliced ​​manner. The hydraulic oil pump is existing technology, so it will not be described in detail here. They can be used separately or assembled. The inner wall of the first piston rod 7 has an arc-shaped structure. An anti-slip pad 12 is provided on the inner wall of the piston rod 7. This structure makes the shape of the first piston rod 7 more closely fit the shape of the outer wall of the bearing body 4, thereby ensuring the fixing effect of the bearing body 4. The anti-slip pad 12 is made of rubber and has a rough surface structure. This structure allows the first piston rod 7 to clamp the bearing body 4 using the anti-slip pad 12, which not only reduces the wear on the bearing body 4, but also increases the friction and improves the clamping and fixing effect of the bearing body 4. A positioning ring 5 is threadedly connected to the inner side of the bearing seat 2. The inner wall of the positioning ring 5 has a groove, and a first hydraulic cylinder is installed inside the groove. The first hydraulic cylinder 8 has a first piston rod 7 telescopically connected to one end. A hydraulic pipe 6 is provided on one side of the first hydraulic cylinder 8. A bearing body 4 is clamped inside the first piston rod 7. A locking ring 3 is provided on the top of the positioning ring 5. The outer wall of the locking ring 3 is threaded, and the inner wall of the locking ring 3 is grooved. A hydraulic connecting pipe 9 and a second hydraulic cylinder 11 are arranged inside the groove. The locking ring 3 of this structure can be quickly and firmly connected to the bearing seat 2. One end of the hydraulic connecting pipe 9 is connected to the second hydraulic cylinder 11. A second piston rod 10 is telescopically connected inside the second hydraulic cylinder 11. The second hydraulic cylinder 11 and the second piston rod 10 together form a hydraulic cylinder. The hydraulic connecting pipe 9 is used to connect the hydraulic cylinder oil pump pipe. The second piston rod 10 and the second hydraulic cylinder 11 are both distributed in a circular and equally spaced manner on the inner side of the locking ring 3. The bottom of the second piston rod 10 has a horizontal structure. The second piston rod 10 with this structure can extend and intercept the top of the bearing body 4 to limit the bearing body 4 and prevent the bearing body 4 from moving axially. The locking ring 3 and the bearing seat 2 are connected by threads. The second piston rod 10 is provided on the inner side of the locking ring 3. The second piston rod 10 is located on the top side of the bearing body 4.

[0024] Working principle: When using the anti-loosening structure of the bearing mounting seat of the planetary carrier, firstly, the positioning ring 5 is rotated and installed into the bearing seat 2. Then, the bearing body 4 is inserted into the positioning ring 5. Subsequently, the hydraulic pump pipe is connected to the hydraulic pipe 6, so that the first piston rod 7 extends from the inside of the first hydraulic cylinder 8 and approaches the outer wall of the bearing body 4, so that the anti-slip pad 12 on the inner wall of the first piston rod 7 is tightly attached to the outer wall of the bearing body 4. Next, the locking ring 3 is threaded to the bearing seat 2, so that the bottom of the locking ring 3 is connected to the top of the positioning ring 5. Then, the second hydraulic cylinder 11 and the second piston rod 10 are activated, so that the second piston rod 10 extends to the top side of the bearing body 4, which plays an axial intercepting role against the bearing body 4, thereby ensuring the firmness of the bearing body 4 installation.

[0025] 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 bearing mounting anti-loosening structure for a planetary carrier, comprising a planetary carrier body (1), characterized in that: The planetary carrier (1) is fixedly connected to a bearing seat (2). A positioning ring (5) is threadedly connected to the inner side of the bearing seat (2). A groove is provided on the inner wall of the positioning ring (5). A first hydraulic cylinder (8) is provided inside the groove. A first piston rod (7) is telescopically connected to one end of the first hydraulic cylinder (8). A hydraulic pipe (6) is provided on one side of the first hydraulic cylinder (8). The bearing body (4) is clamped inside the first piston rod (7). A locking ring (3) is provided at the top of the positioning ring (5). The locking ring (3) is threadedly connected to the bearing seat (2). A second piston rod (10) is provided inside the locking ring (3). The second piston rod (10) is located on the top side of the bearing body (4).

2. The anti-loosening structure for a planetary carrier bearing mounting seat according to claim 1, characterized in that: The outer wall of the locking ring (3) is threaded, and the inner wall of the locking ring (3) is grooved. A hydraulic connecting pipe (9) and a second hydraulic cylinder (11) are arranged inside the groove.

3. The anti-loosening structure for a planetary carrier bearing mounting seat according to claim 2, characterized in that: One end of the hydraulic connecting pipe (9) is connected to the second hydraulic cylinder (11), and the second hydraulic cylinder (11) is internally connected to a second piston rod (10).

4. The anti-loosening structure for a planetary carrier bearing mounting seat according to claim 1, characterized in that: The second piston rod (10) and the second hydraulic cylinder (11) are both distributed in a circular pattern with equal spacing on the inner side of the locking ring (3), and the bottom of the second piston rod (10) is horizontal.

5. The anti-loosening structure for a planetary carrier bearing mounting seat according to claim 1, characterized in that: The bearing housing (2) has a through hole on its outer wall, which is used for connecting the hydraulic equipment pipe body.

6. The anti-loosening structure for a planetary carrier bearing mounting seat according to claim 1, characterized in that: The inner wall of the first piston rod (7) has an arc-shaped structure, and the inner wall of the first piston rod (7) is provided with an anti-slip pad (12).

7. The anti-loosening structure for a planetary carrier bearing mounting seat according to claim 6, characterized in that: The anti-slip mat (12) is made of rubber and has a rough surface.

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