Sliding bearing with thrust function

Abstract

The utility model discloses a sliding bearing with a thrust function, which relates to the technical field of sliding bearings and comprises a bearing seat, a bearing cap is mounted at the top of the bearing seat, a positioning ring is mounted on the inner side of the bearing cap, a bearing bush is mounted on the inner side of the top of the bearing seat, and a bearing bush is mounted on the inner side of the positioning ring. Fastening assemblies are installed on the top of the bearing seat and located on the two sides of the positioning ring. The telescopic rod and the push plate are mounted, the mounting plate supports the limiting frame, the limiting frame supports the telescopic rod, the telescopic rod supports the push plate, the rotating shaft rotates on the inner side of the bearing bush, the rotating shaft drives the limiting ring on the outer side to rotate in the rotating process, the limiting ring rotates on the inner side of the movable groove, and the limiting ring is limited through the movable groove; when braking is needed, the telescopic rod extends to drive the push plate to move, the push plate is tightly attached to one side of the limiting ring, the friction force between the push plate and the limiting ring is increased, and braking is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding bearings, and particularly relates to a sliding bearing with a thrust function. Background Art

[0002] A sliding bearing is a bearing that works under sliding friction. The sliding bearing works smoothly, reliably, and noiselessly. The sliding bearing is a very common industrial part and is installed in all industrial equipment.

[0003] The patent document CN214221772U discloses "a sliding bearing applicable to a steam turbine. The sliding bearing applicable to the steam turbine includes a bearing body, a rotor, and a plurality of tilting pads in an arc shape. The bearing body includes an upper bearing body and a lower bearing body, and the upper bearing body and the lower bearing body are butted to form a through hole..."

[0004] The above-mentioned sliding bearing solves the problem of convenient disassembly. However, due to the lack of an auxiliary braking structure, it is impossible to control the rotation speed of the internal structure of the bearing as needed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a sliding bearing with a thrust function, so as to solve the technical problem that the sliding bearing in the prior art lacks an auxiliary braking structure and cannot control the rotation speed of the internal structure of the bearing as needed.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A sliding bearing with a thrust function includes a bearing seat. A bearing cover is installed on the top of the bearing seat. A positioning ring is installed inside the bearing cover and on the inner side of the top of the bearing seat. A bearing bush is installed inside the positioning ring. A fastening component is installed on the top of the bearing seat, and the fastening component is located on both sides of the positioning ring. The front and back of the bearing seat and the bearing cover are installed with mounting plates through bolts. A thrust stopping component is installed inside the mounting plate. The thrust stopping component includes a limiting frame installed inside the mounting plate. An activity groove is opened inside the limiting frame. A telescopic rod is installed through the inside of the limiting frame. One end of the telescopic rod is installed with a push plate, and the push plate is located inside the activity groove.

[0007] Preferably, a positioning groove is opened on the top of the bearing seat, and a positioning rod is installed at the bottom of the bearing cover, and the positioning rod is embedded inside the bearing cover.

[0008] Preferably, an oil injection pipe is installed through the inner side of the top wall of the bearing bush, and the oil injection pipe penetrates through the inner side of the top wall of the positioning ring. An assembly pipe is installed at the top end of the oil injection pipe, and the assembly pipe penetrates through the top wall of the bearing cover.

[0009] Preferably, a closing plug is connected to the inside of the assembly pipe through a thread, and a handle is installed at the top end of the closing plug.

[0010] Preferably, the fastening assembly includes a connecting rod installed on the top of the bearing housing. The top of the connecting rod is provided with threads, and a tightening nut is threadedly connected to the outer side of the top of the connecting rod. The tightening nut abuts against the top of the bearing cover.

[0011] Preferably, a rotating shaft is installed inside the bearing bush, and a limiting ring is installed on the outer side of the rotating shaft. The limiting ring is located on one side of the push plate.

[0012] Preferably, a bottom plate is installed at the bottom of the bearing housing, and mounting screws are installed through the inside of the bottom plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The present utility model is provided with a telescopic rod and a push plate. The mounting plate supports the limiting frame, the limiting frame supports the telescopic rod, the telescopic rod supports the push plate, the rotating shaft rotates inside the bearing bush. During the rotation of the rotating shaft, the limiting ring on the outer side is driven to rotate. The limiting ring rotates inside the moving groove, and the limiting ring is limited by the moving groove. When braking is required, the telescopic rod extends to drive the push plate to move, and the push plate closely adheres to one side of the limiting ring, increasing the friction between the push plate and the limiting ring to achieve braking and adjust the rotation speed of the rotating shaft.

[0015] 2. The present utility model is provided with an oil injection pipe. When needed, the user holds the handle and rotates the closing plug, so that the closing plug rotates inside the assembly pipe and is disassembled. The user injects lubricating oil into the interior of the assembly pipe, and the lubricating oil moves downward under the guidance of the oil injection pipe. The lubricating oil penetrates between the rotating shaft and the bearing bush to lubricate the rotating shaft and the bearing bush, reduce the friction, and extend the service life of the sliding bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2 is a structural schematic diagram of the bottom plate of the present utility model;

[0018] Figure 3 is a cross-sectional structural schematic diagram of the present utility model;

[0019] Figure 4 is a structural schematic diagram of the guide seat of the present utility model;

[0020] Figure 5 is a structural schematic diagram of the collar of the present utility model.

[0021] In the figure: 1, bottom plate; 2, support rod; 3, support platform; 4, guide seat; 5, mounting frame; 6, movable slot; 7, fixed plate; 8, servo motor; 9, lead screw; 10, collar; 11, connecting rod; 12, rotating roller; 13, limiting slot; 14, support frame; 15, rotating rod; 16, support roller; 17, motor; 18, telescopic rod; 19, lifting frame; 20, rotating rod; 21, pressing roller. Detailed implementation manner

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the present utility model provides an embodiment: a sliding bearing with a thrust function, including a bearing seat 1, a bearing cover 4 is installed on the top of the bearing seat 1, the bearing seat 1 supports the bearing cover 4 on the top, the bearing seat 1 and the bearing cover 4 are closed, and a circular shape of a bent needle is formed inside. A positioning ring 8 is installed inside the bearing cover 4 and is installed inside the top of the bearing seat 1. A bearing bush 9 is installed inside the positioning ring 8;

[0025] The bearing cover 4 and the bearing seat 1 fix the positioning ring 8 inside to ensure the stability of the positioning ring 8. The positioning rings 8 are butted together to form a complete ring structure, which is convenient for limiting and supporting the bearing bush 9 inside. The bearing bush 9 is composed of a wear-resistant material, and the inner surface is smooth, which is convenient for the rotating shaft 17 inside to rotate.

[0026] A fastening assembly is installed on the top of the bearing housing 1. The fastening assembly is located on both sides of the positioning ring 8. The fastening assembly includes a connecting rod 6 installed on the top of the bearing housing 1. The top of the connecting rod 6 is provided with threads. The outer side of the top of the connecting rod 6 is threadedly connected with a tightening nut 7. The tightening nut 7 abuts against the top of the bearing cover 4. A positioning groove is formed in the top of the bearing housing 1. A positioning rod 5 is installed at the bottom of the bearing cover 4. The positioning rod 5 is embedded inside the bearing cover 4. The bearing housing 1 fixes the connecting rod 6 at the top to ensure the stability of the connecting rod 6. The connecting rod 6 penetrates through the inner side of the top of the bearing cover 4, and the structure is accurately positioned. When the bearing housing 1 and the bearing cover 4 are assembled, the positioning rod 5 is embedded inside the positioning groove 4, which is convenient for accurate assembly of the device. The user installs the tightening nut 7 on the outer side of the connecting rod 6 to ensure the stability of the structure and facilitate the positioning of the positioning ring 8 and the bearing bush 9 inside the bearing housing 1 and the bearing cover 4.

[0027] An oil injection pipe 10 is installed through the inner side of the top wall of the bearing bush 9. The oil injection pipe 10 penetrates through the inner side of the top wall of the positioning ring 8. The top end of the oil injection pipe 10 is installed with an assembly pipe 11. The assembly pipe 11 penetrates through the top wall of the bearing cover 4. The inner side of the assembly pipe 11 is threadedly connected with a closing plug 12. The top end of the closing plug 12 is installed with a handle 13. The bearing bush 9 fixes the inner oil injection pipe 10 to ensure that the oil injection pipe 10 can be kept stable. The oil injection pipe 10 is connected with the assembly pipe 11. The inner side of the assembly pipe 11 positions the closing plug 12 through threads. When needed, the user grasps the handle 13 and rotates the closing plug 12 so that the closing plug 12 rotates inside the assembly pipe 11 and the closing plug 12 is removed. The user injects lubricating oil into the interior of the assembly pipe 11. The lubricating oil moves downward through the guidance of the oil injection pipe 10. The lubricating oil penetrates between the rotating shaft 17 and the bearing bush 9. The rotating shaft 17 and the bearing bush 9 are lubricated by the lubricating oil to reduce friction and extend the service life of the sliding bearing.

[0028] The front and back of the bearing housing 1 and the bearing cover 4 are installed with mounting plates 14 through bolts. A push-stop assembly is installed inside the mounting plate 14. The bearing housing 1 and the bearing cover 4 fix the mounting plate 14, and the mounting plate 14 fixes the push-stop assembly to ensure the stable operation of the push-stop assembly. The push-stop assembly includes a limit frame 15 installed inside the mounting plate 14. An activity groove 16 is provided inside the limit frame 15. A telescopic rod 19 is installed through the inside of the limit frame 15. One end of the telescopic rod 19 is installed with a push plate 20. The push plate 20 is located inside the activity groove 16. A rotating shaft 17 is installed inside the bearing bush 9. A limit ring 18 is installed on the outer side of the rotating shaft 17. The limit ring 18 is located on one side of the push plate 20. The mounting plate 14 supports the limit frame 15, and the limit frame 15 supports the telescopic rod 19 to ensure the stable operation of the telescopic rod 19. The telescopic rod 19 supports the push plate 20. The rotating shaft 17 rotates inside the bearing bush 9. During the rotation of the rotating shaft 17, the outer limit ring 18 is driven to rotate. The limit ring 18 rotates inside the activity groove 16. The limit ring 18 is limited by the activity groove 16 to ensure the stable rotation of the rotating shaft 17. When braking is required, the telescopic rod 19 extends to drive the push plate 20 to move. The push plate 20 is closely attached to one side of the limit ring 18, increasing the friction between the push plate and the limit ring 18 to achieve braking.

[0029] A bottom plate 2 is installed at the bottom of the bearing housing 1. Mounting screws 3 are installed through the inside of the bottom plate 2. The bottom plate 2 is installed on the designated equipment through the mounting screws 3. The mounting screws 3 fix the bottom plate 2, and the bottom plate 2 fixes the top bearing housing 1.

[0030] Working principle: The bottom plate 2 is installed on the designated equipment through the mounting screws 3. The mounting screws 3 fix the bottom plate 2, and the bottom plate 2 fixes the top bearing housing 1. The rotating shaft 17 rotates inside the bearing bush 9. During the rotation of the rotating shaft 17, the outer limit ring 18 is driven to rotate. The limit ring 18 rotates inside the activity groove 16. The limit ring 18 is limited by the activity groove 16 to ensure the stable rotation of the rotating shaft 17. When braking is required, the telescopic rod 19 extends to drive the push plate 20 to move. The push plate 20 is closely attached to one side of the limit ring 18, increasing the friction between the push plate and the limit ring 18 to achieve braking.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A sliding bearing with a thrust function, characterized in that: It includes a bearing housing (1), a bearing cover (4) is installed on the top of the bearing housing (1), a positioning ring (8) is installed inside the bearing cover (4), and is installed inside the top of the bearing housing (1). A bearing bush (9) is installed inside the positioning ring (8). A fastening assembly is installed on the top of the bearing housing (1), and the fastening assembly is located on both sides of the positioning ring (8). The front and back of the bearing housing (1) and the bearing cover (4) are installed with mounting plates (14) through bolts. A pushing and stopping assembly is installed inside the mounting plate (14). The pushing and stopping assembly includes a limiting frame (15) installed inside the mounting plate (14). An activity groove (16) is opened inside the limiting frame (15). A telescopic rod (19) is installed through the inside of the limiting frame (15). One end of the telescopic rod (19) is installed with a pushing plate (20), and the pushing plate (20) is located inside the activity groove (16).

2. The thrust function sliding bearing according to claim 1, characterized in that: A positioning groove is opened on the top of the bearing housing (1), and a positioning rod (5) is installed on the bottom of the bearing cover (4), and the positioning rod (5) is embedded inside the bearing cover (4).

3. The thrust function sliding bearing according to claim 1, characterized in that: An oil injection pipe (10) is installed through the inner side of the top wall of the bearing bush (9), and the oil injection pipe (10) penetrates through the inner side of the top wall of the positioning ring (8). The top end of the oil injection pipe (10) is installed with an assembly pipe (11), and the assembly pipe (11) penetrates through the top wall of the bearing cover (4).

4. The thrust function sliding bearing according to claim 3, characterized in that: A closing plug (12) is connected inside the assembly pipe (11) through threads, and a handle (13) is installed on the top end of the closing plug (12).

5. The thrust sliding bearing according to claim 4, characterized in that: The fastening assembly includes a connecting rod (6) installed on the top of the bearing housing (1). The top of the connecting rod (6) is provided with threads. A tightening nut (7) is connected through threads on the outer side of the top of the connecting rod (6), and the tightening nut (7) abuts against the top of the bearing cover (4).

6. A thrust-function sliding bearing according to claim 1, characterized in that: A rotating shaft (17) is installed inside the bearing bush (9), and a limiting ring (18) is installed on the outer side of the rotating shaft (17), and the limiting ring (18) is located on one side of the pushing plate (20).

7. A thrust-function sliding bearing according to claim 5, characterized in that: A bottom plate (2) is installed on the bottom of the bearing housing (1), and mounting screws (3) are installed through the inside of the bottom plate (2).

Images