Combined bearing bush
By using a combined bearing design, the problem of uneven lubricant distribution is solved, achieving uniform lubricant distribution and improved heat dissipation efficiency, reducing friction and wear, and simplifying the maintenance process.
Patent Information
- Application Number
- CN202521169293.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-09
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-06-09
AI Technical Summary
The uneven distribution of lubricating oil in traditional bearing bushes leads to increased friction and wear, preventing the lubricating oil from fully performing its function.
A composite bearing bush was designed, comprising a first outer half-ring and a second outer half-ring. Installation stability is ensured by a limiting ring and a locking structure. A lubricating oil groove and a connecting groove are provided in the inner bearing bush to ensure uniform distribution of lubricating oil. Combined with a heat dissipation groove, heat dissipation efficiency is improved.
It achieves uniform distribution of lubricating oil, reduces the coefficient of friction, reduces wear, improves lubrication effect, and reduces maintenance costs through the detachable inner tile design.
Smart Images
Figure CN223806474U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bearing bush technical field more specifically, the utility model relates to a combined bearing bush. BACKGROUND
[0002] The bearing bush is the part that sliding bearing and axle journal contact, the shape is the semicylindrical surface of tile shape, very smooth, generally uses bronze, friction reducing alloy and so on wear -resisting material to make, under special circumstances, can use timber, engineering plastics or rubber to make, the bearing bush has whole and split two, the whole bearing bush is usually called the shaft sleeve, the whole bearing bush has no oil ditch and has oil ditch two, the bearing bush adopts clearance fit with the axle journal, generally does not rotate with the axle, the bearing bush as the core component of sliding bearing plays the key role in the mechanical transmission system,
[0003] The lubricating oil passage of the traditional bearing bush directly inputs the inside of the lubricating groove through the inlet pipe hole arranged at one side, and the lubricating oil is slowly located between the bearing bush and the shaft during the rotation of the shaft, which easily causes more lubricating oil near the oil inlet hole and insufficient lubrication in other areas, thereby increasing friction and wear and failing to fully play the role of the lubricating oil. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a combined bearing bush to solve the problems in the above background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a combined bearing bush, comprising a first outer half ring body and a second outer half ring body, the two ends of the first outer half ring body and the second outer half ring body are fixedly connected with limiting rings outside, the limiting rings play the role of positioning and limiting, during the installation process, the combined bearing bush can cooperate with the corresponding structure of the bearing seat to ensure that the bearing bush is accurately installed at the predetermined position and prevent the bearing bush from being axially displaced during the working process, the first outer half ring body and the second outer half ring body form a circular ring body and jointly constitute the external supporting structure of the bearing bush, the outer part of the first outer half ring body and the second outer half ring body is provided with a heat dissipation groove, which effectively increases the heat dissipation area of the bearing bush, speeds up the heat dissipation speed, and reduces the temperature of the bearing bush, a first oil inlet hole is arranged in the middle part of the first outer half ring body, lubricating oil enters the oil inlet groove through the first oil inlet hole and flows in the oil inlet groove, which prepares for subsequent oil supply to the inner bush body and ensures that each part of the bearing bush can be fully lubricated.
[0006] The inner cavity wall of the first outer half ring body and the second outer half ring body is provided with an oil inlet groove and a plurality of positioning clamping grooves, the limiting ring is fixedly connected with a clamping plate at both ends, the outer part of the second outer half ring body is provided with a clamping groove, the clamping plate is embedded in the clamping groove, the first outer half ring body and the second outer half ring body are tightly connected to form a stable circular ring structure, and the combined bearing bush can be fixed by an external fastening ring.
[0007] The inner part of the circular ring body composed of the first outer half ring body and the second outer half ring body is provided with a plurality of inner bearing bodies, the inner side of the inner bearing body is provided with a lubricating oil groove and a communication groove, the middle part of the inner bearing body is provided with a second oil inlet hole, lubricating oil enters the communication groove through the second oil inlet hole from the oil inlet groove, and then flows into the lubricating oil groove, and finally is uniformly distributed to the contact surface of the inner bearing body and the shaft. The design of a plurality of lubricating oil grooves ensures that the lubricating oil can cover the entire contact area of the bearing bush and the shaft, form a continuous lubricating oil film, effectively reduce the friction coefficient, reduce wear and tear, and improve the lubricating effect. The outer surface of the inner bearing body is fixedly connected with a positioning clamping rod, the positioning clamping rod is inserted into the positioning clamping groove, the inner bearing body is accurately positioned in the inner part of the outer half ring body, and the inner bearing body is prevented from rotating circumferentially during work. One side of the inner bearing body is fixedly connected with a limiting clamping strip, the other side of the inner bearing body is provided with a limiting clamping groove, the limiting clamping strips and the limiting clamping grooves of adjacent inner bearing bodies are clamped with each other, a tightly connected circular ring structure is formed, and the stability and reliability of the inner bearing body as a whole are enhanced.
[0008] Preferably, the clamping plate and the clamping groove are matched, the clamping plate is arranged in the middle part of the clamping groove, and the oil inlet grooves in the inner cavities of the first outer half ring body and the second outer half ring body correspond to each other, so that the first outer half ring body and the second outer half ring body are tightly connected to form a stable circular ring structure.
[0009] Preferably, the number of the positioning clamping grooves is several, the positioning clamping grooves are matched with the positioning clamping rods, the positioning clamping rods are arranged in the middle part of the positioning clamping grooves, the positioning clamping rods are inserted into the positioning clamping grooves, and the inner bearing body is accurately positioned in the inner part of the outer half ring body, so that the inner bearing body is prevented from rotating circumferentially during work.
[0010] Preferably, a plurality of the inner bearing bodies form a circular ring structure, the limiting clamping grooves and the limiting clamping strips are matched, the limiting clamping strips are arranged in the middle part of the limiting clamping grooves, the limiting clamping strips and the limiting clamping grooves of adjacent inner bearing bodies are clamped with each other, a tightly connected circular ring structure is formed, and the stability and reliability of the inner bearing body as a whole are enhanced, so that the inner bearing body is convenient to install and disassemble. When a certain inner bearing body is damaged, it can be replaced alone, without the need to replace the entire bearing bush, thereby greatly reducing the maintenance cost and time cost.
[0011] Preferably, the number of the lubricating oil grooves is several, the lubricating oil grooves are communicated with the communication grooves, and the second oil inlet holes are communicated with the communication grooves. Lubricating oil enters the communication groove through the second oil inlet hole from the oil inlet groove, and then flows into the lubricating oil groove, and finally is uniformly distributed to the contact surface of the inner bearing body and the shaft, so that the lubricating oil can cover the entire contact area of the bearing bush and the shaft, form a continuous lubricating oil film, effectively reduce the friction coefficient, reduce wear and tear, and improve the lubricating effect.
[0012] Preferably, the first oil inlet hole is communicated with an oil inlet groove, the oil inlet groove corresponds to a plurality of second oil inlet holes, lubricating oil enters the oil inlet groove through the first oil inlet hole and flows in the oil inlet groove, and the subsequent oil supply to the inner bearing shell is prepared.
[0013] The technical effects and advantages of the utility model are as follows:
[0014] 1. The utility model discloses a first oil inlet groove can make the lubricating oil that enters through the first oil inlet hole first be distributed evenly in the inside of the oil inlet groove, then the lubricating oil directly enters the inside lubricating oil groove and the communication groove of multiple inner bearing shells through multiple second oil inlet holes, so that the lubricating oil can be evenly distributed in the gap between the inner bearing shell and the shaft, the lubricating oil can be evenly and efficiently distributed to the contact surface of the bearing shell and the shaft, a good lubricating oil film is formed, friction and wear are effectively reduced, and the installation stability of the inner bearing shell is improved through the cooperation of the positioning clamping rod and the positioning clamping groove.
[0015] 2. The utility model discloses a limiting clamping groove and limiting clamping strip cooperation can improve the stability of multiple inner bearing shell combinations, and the cooperation of the clamping plate and the clamping groove can improve the stability and reliability of the circular ring body formed by the first outer half ring body and the second outer half ring body, the heat dissipation groove is arranged, the heat dissipation area of the bearing shell is effectively increased, the heat dissipation speed is accelerated, the temperature of the bearing shell is reduced, the inner bearing shell is conveniently installed and disassembled, when some inner bearing shell is damaged, the inner bearing shell can be replaced individually, the whole bearing shell does not need to be replaced, the maintenance cost and time cost are greatly reduced.
[0016] In summary, through the mutual influence of the above-mentioned multiple effects, the inner bearing shell can be conveniently installed, disassembled and replaced individually, the distribution uniformity of the lubricating oil can be improved, the lubricating effect can be improved, and friction and wear can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model.
[0018] Figure 2 It is the split structure schematic diagram of the utility model.
[0019] Figure 3 It is the cross section structure schematic diagram of the utility model.
[0020] Figure 4 It is the cross section split structure schematic diagram of the utility model.
[0021] The figure mark is: 1, first outer half ring body;2, second outer half ring body;3, limiting ring;4, heat dissipation groove;5, clamping plate;6, clamping groove;7, oil inlet groove;8, positioning clamping groove;9, first oil inlet hole;10, inner bearing shell;11, lubricating oil groove;12, communication groove;13, second oil inlet hole;14, positioning clamping rod;15, limiting clamping groove;16, limiting clamping strip. 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] As attached Figures 1-3 The illustrated composite bearing bush includes a first outer half-ring 1 and a second outer half-ring 2. Limiting rings 3 are fixedly connected to both ends of the first and second outer half-rings 1 and 2, serving as positioning and limiting rings. During installation, these rings can cooperate with the corresponding structure of the bearing housing to ensure the bearing bush is accurately installed in the predetermined position and prevent axial displacement during operation. The first and second outer half-rings 1 and 2 form a ring, constituting the external support structure of the bearing bush. Heat dissipation grooves 4 are provided on the exterior of both the first and second outer half-rings 1 and 2, effectively increasing the heat dissipation area, accelerating heat dissipation, and reducing the bearing bush temperature. A first oil inlet hole 9 is provided in the middle of the first outer half-ring 1, through which lubricating oil enters the oil inlet groove 7 and flows within it, preparing for subsequent oil supply to the inner bearing body and ensuring sufficient lubrication of all parts of the bearing bush.
[0024] The inner walls of the first outer half-ring 1 and the second outer half-ring 2 are provided with oil inlet grooves 7 and multiple positioning slots 8. The two ends of the limiting ring 3 are fixedly connected with locking plates 5. The two ends of the second outer half-ring 2 are provided with locking grooves 6. The locking plates 5 are embedded in the locking grooves 6, so that the first outer half-ring 1 and the second outer half-ring 2 are tightly connected to form a stable ring structure, which can be combined and fixed by external fastening rings.
[0025] The inner part of the circular ring body composed of the first outer half ring body 1 and the second outer half ring body 2 is provided with a plurality of inner bush bodies 10, the inner side of the inner bush body 10 is provided with a lubricating oil groove 11 and a communication groove 12, the middle part of the inner bush body 10 is provided with a second oil inlet hole 13, the lubricating oil enters the communication groove 12 through the second oil inlet hole 13 from the oil inlet groove 7, and then flows into the lubricating oil groove 11, and finally is uniformly distributed to the contact surface of the inner bush body 10 and the shaft. The design of a plurality of lubricating oil grooves 11 ensures that the lubricating oil can cover the entire contact area of the bush and the shaft, forming a continuous lubricating oil film, effectively reducing the friction coefficient, reducing wear and tear, improving the lubricating effect, the outer surface of the inner bush body 10 is fixedly connected with a positioning clamping rod 14, the positioning clamping rod 14 is inserted into the positioning clamping groove 8, and the inner bush body 10 is accurately positioned in the inner part of the outer half ring body, preventing the inner bush body from rotating circumferentially during work. The inner bush body 10 is fixedly connected with a limiting clamping strip 16 on one side, and the inner bush body 10 is provided with a limiting clamping groove 15 on the other side, the limiting clamping strips 16 and the limiting clamping grooves 15 are clamped with each other between adjacent inner bush bodies, forming a tightly connected circular ring structure, enhancing the stability and reliability of the inner bush body as a whole.
[0026] As shown in the accompanying drawings, Figures 1-4 The clamping plate 5 and the clamping groove 6 are matched, the clamping plate 5 is arranged in the middle part of the clamping groove 6, the oil inlet grooves 7 in the inner cavities of the first outer half ring body 1 and the second outer half ring body 2 correspond to each other, the number of the positioning clamping grooves 8 is several, the positioning clamping grooves 8 are matched with the positioning clamping rods 14, the positioning clamping rods 14 are arranged in the middle part of the positioning clamping grooves 8, a plurality of inner bush bodies 10 form a circular ring structure, the limiting clamping grooves 15 and the limiting clamping strips 16 are matched, the limiting clamping strips 16 are arranged in the middle part of the limiting clamping grooves 15, so that the first outer half ring body 1 and the second outer half ring body 2 are tightly connected to form a stable circular ring structure, the positioning clamping rods 14 are inserted into the positioning clamping grooves 8 to accurately position the inner bush body 10 in the inner part of the outer half ring body, preventing the inner bush body from rotating circumferentially during work, the limiting clamping strips 16 and the limiting clamping grooves 15 are clamped with each other between adjacent inner bush bodies, forming a tightly connected circular ring structure, enhancing the stability and reliability of the inner bush body as a whole, facilitating the installation and removal of the inner bush body, when a certain inner bush body is damaged, it can be replaced individually without replacing the entire bush, greatly reducing the maintenance cost and time cost.
[0027] As shown in the accompanying drawings, Figures 1-4As shown, the lubricating oil groove 11 is provided in plurality, the lubricating oil groove 11 is communicated with the communication groove 12, the second oil inlet hole 13 is communicated with the communication groove 12, the first oil inlet hole 9 is communicated with the oil inlet groove 7, the oil inlet groove 7 corresponds to the plurality of second oil inlet holes 13, the lubricating oil enters the oil inlet groove 7 through the first oil inlet hole 9, flows into the communication groove 12 through the second oil inlet hole 13 from the oil inlet groove 7, and finally is uniformly distributed to the contact surface of the bearing shell 10 and the shaft, so that the lubricating oil can cover the whole contact area of the bearing shell and the shaft, a continuous lubricating oil film is formed, the friction coefficient is effectively reduced, the wear is reduced, and the lubricating effect is improved.
[0028] The utility model discloses a working principle: when using, the interlocking plate 5 and the interlocking groove 6 of first outer half ring body 1 and second outer half ring body 2 are mutually interlocked to form a circular ring body, then place in the bearing seat to the position of first outer half ring body 1 and second outer half ring body 2 limit, improve the stability of first outer half ring body 1 and second outer half ring body 2 interlock, and make the limiting ring 3 cooperate with the positioning structure of bearing seat, ensure that the outer half ring body is accurately in place;
[0029] Then again first outer half ring body 1 and second outer half ring body 2 form circular ring body middle part and place multiple inner bearing shells 10, and make the positioning clamping rod 14 clamped into the inside of positioning clamping groove 8 to limit inner bearing shell 10, make the limiting clamping strip 16 of adjacent two inner bearing shells 10 clamped into the inside of limiting clamping groove 15 to realize combination limiting;
[0030] When using, the lubricating oil pipeline is connected with the first oil inlet hole 9, the lubricating oil enters the inside of oil inlet groove 7 through the first oil inlet hole 9, then enters the inside of lubricating oil groove 11 through the second oil inlet hole 13, and can be uniformly distributed on one side of the inner cavity of multiple inner bearing shells 10 through the communication groove 12, so that the lubricating oil can be uniformly and efficiently distributed to the contact surface of the bearing shell and the shaft, and the use effect is improved.
[0031] The above only is the preferred embodiment of the utility model, and does not use for limiting the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should include in the protection scope of the utility model.
Claims
1. A combined bearing shell comprising a first outer half ring body (1) and a second outer half ring body (2), characterized in that: The both ends of the first outer half ring body (1) and the second outer half ring body (2) are fixedly connected with a limiting ring (3), the first outer half ring body (1) and the second outer half ring body (2) form a circular ring body, the outer part of the first outer half ring body (1) and the second outer half ring body (2) is provided with a heat dissipation groove (4), and the middle part of the first outer half ring body (1) is provided with a first oil inlet hole (9). The inner cavity wall of the first outer half ring body (1) and the second outer half ring body (2) is provided with an oil inlet groove (7) and a plurality of positioning clamping grooves (8), the both ends of the limiting ring (3) are fixedly connected with a clamping plate (5), and the both ends of the second outer half ring body (2) are provided with a clamping groove (6) on the outer part. The circular ring body formed by the first outer half ring body (1) and the second outer half ring body (2) is provided with a plurality of inner tile bodies (10), the inner side of the inner tile body (10) is provided with a lubricating oil groove (11) and a communication groove (12), the middle part of the inner tile body (10) is provided with a second oil inlet hole (13), the outer surface of the inner tile body (10) is fixedly connected with a positioning clamping rod (14) at the bottom, one side of the inner tile body (10) is fixedly connected with a limiting clamping strip (16), and the other side of the inner tile body (10) is provided with a limiting clamping groove (15).
2. A combined bearing shell according to claim 1, characterized in that: The clamping plate (5) and the clamping groove (6) are matched, the clamping plate (5) is arranged in the middle part of the clamping groove (6), and the oil inlet grooves (7) in the inner cavities of the first outer half ring body (1) and the second outer half ring body (2) correspond to each other.
3. A combined bearing shell according to claim 1, characterized in that: The number of the positioning clamping grooves (8) is several, the positioning clamping grooves (8) are matched with the positioning clamping rods (14), and the positioning clamping rods (14) are arranged in the middle part of the positioning clamping grooves (8).
4. The combination bushing of claim 1 wherein: A plurality of the inner tile bodies (10) form a circular ring structure, the limiting clamping grooves (15) and the limiting clamping strips (16) are matched, and the limiting clamping strips (16) are arranged in the middle part of the limiting clamping grooves (15).
5. The combination bushing of claim 1 wherein: The lubricating oil grooves (11) are provided in plurality, the lubricating oil grooves (11) are communicated with the communication grooves (12), and the second oil inlet holes (13) are communicated with the communication grooves (12).
6. A combined bearing shell according to claim 1, characterized in that: The first oil inlet hole (9) is communicated with the oil inlet groove (7), and the oil inlet groove (7) corresponds to a plurality of second oil inlet holes (13).