Combined thrust bearing
By using a combined steel ring and copper ring thrust bearing design, the copper ring can be replaced and the lubrication effect can be improved, which solves the problem of high replacement cost of thrust bearings in the existing technology and improves the service life and lubrication effect of the bearing.
Patent Information
- Application Number
- CN202520914926.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-05-12
AI Technical Summary
Existing thrust bearings require complete replacement when the contact surfaces wear, leading to increased costs.
It adopts a combination structure of steel ring and copper ring. The copper ring can be replaced separately after wear. The lubrication effect is improved by setting oil grooves and through holes on the copper ring, and the steel ring is provided with push holes for easy replacement.
It reduces operating costs and improves lubrication and bearing life.
Smart Images
Figure CN223908620U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing technical field, concretely is a combined thrust bearing. BACKGROUND
[0002] Thrust bearing is used to bear axial force special bearing, that is the bearing of the force in the direction parallel to the shaft, thrust bearing is also called as thrust bearing.
[0003] Thrust bearing is matched with compressor main shaft, in order to reduce thickness, sometimes single piece thrust bearing of non-spherical shape is also adopted, pressure is directly acted on thrust bearing, and at present, most of such thrust bearings are made of copper alloy ring, when the contact surface wears, only the whole can be replaced, leading to cost increase, therefore, an improved technology is urgently needed to solve the problem existing in the prior art. UTILITY MODEL CONTENT
[0004] The utility model discloses a combined thrust bearing, which is used to solve the problems in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a combined thrust bearing, comprising a steel ring and a copper ring, a circular clamping groove is arranged on the inner side of one end of the steel ring and coaxially, the copper ring is arranged in the circular clamping groove, the outer end surface of the copper ring protrudes from the surface of one end of the steel ring where the circular clamping groove is arranged, a groove is arranged on the periphery of the steel ring along the circumferential direction, a plurality of channels are arranged on the steel ring along the radial direction, a plurality of oil grooves are uniformly arranged on the outer end surface of the copper ring in a ring shape, outer end recesses and inner end recesses are arranged at the two ends of the oil grooves respectively, through holes are arranged in the copper ring in the oil grooves, the through holes and the channels are one-to-one corresponding and communicate with each other, and a plurality of push-up holes are arranged through the steel ring at the circular clamping groove.
[0006] Preferably, the combined thrust bearing provided by the utility model, wherein the steel ring is provided with a positioning protrusion on one side of the circular clamping groove, the copper ring is provided with a positioning groove on one side, and the positioning protrusion and the positioning groove are inserted and connected.
[0007] Preferably, the combined thrust bearing provided by the utility model, wherein the outer diameter of the copper ring is consistent with the inner diameter of the circular clamping groove.
[0008] Preferably, the combined thrust bearing provided by the utility model, wherein the inner diameter of the steel ring is consistent with the inner diameter of the copper ring.
[0009] Preferably, the combined thrust bearing provided by the utility model, wherein the steel ring is further provided with a plurality of assembly holes.
[0010] Preferably, the utility model provides a combined thrust bearing, wherein the outer end of the channel and the outer part of the steel ring are in intercommunication.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] (1) the steel ring and the copper ring are combined, the contact surface adopts the copper ring, the copper ring can be replaced when the copper ring is excessively worn, and the use cost is reduced.
[0013] (2) the contact surface of the copper ring is annular and uniformly provided with a plurality of oil grooves, the oil grooves are in intercommunication with the channel of the steel ring through the through hole of the copper ring, the two ends of the oil grooves are provided with outer end recesses and inner end recesses, the lubricating oil enters the oil grooves and penetrates to the outer end and the inner end of the copper ring through the outer end recesses and the inner end recesses respectively, the lubricating effect is greatly improved, and the service life of the bearing is improved.
[0014] (3) meanwhile, a plurality of push holes are formed in the steel ring at the circular clamping groove, so that the copper ring can be pushed out of the circular clamping groove by using a tool when the copper ring is replaced, and the replacement of the copper ring is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a side view structural schematic view of the utility model;
[0017] Figure 3 It is a side view sectional structural schematic view of the utility model;
[0018] Figure 4 It is a front view structural schematic view of the steel ring;
[0019] Figure 5 It is a rear view structural schematic view of the steel ring.
[0020] In the drawing: steel ring 1, copper ring 2, circular clamping groove 3, recess 4, channel 5, oil groove 6, outer end recess 7, inner end recess 8, through hole 9, push hole 10, positioning column 11, assembly hole 12. DETAILED DESCRIPTION
[0021] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model;
[0022] It should be noted that in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0023] Please refer to Figures 1-5 The utility model provides a technical scheme: a combined thrust bearing, including steel ring 1 and copper ring 2, the inside of one end of steel ring 1 and coaxial round clamping slot 3 are seted up, copper ring 2 sets up in round clamping slot 3, and the positioning protrusion 11 is arranged on one side of the steel ring 1 in the round clamping slot 3, the copper ring 2 is seted up with the positioning groove on one side, the positioning protrusion 11 is inserted with the positioning groove and cooperates, through the cooperation of positioning protrusion 11 and positioning groove, it is guaranteed that copper ring 2 is not self-rotating after clamping into round clamping slot 3, so as to guarantee the stability of bearing, the outer diameter of copper ring 2 is consistent with the inner diameter of round clamping slot 3, so as to guarantee that copper ring 2 is not easily loose when being inserted into round clamping slot 3, the inner diameter of steel ring 1 is consistent with the inner diameter of copper ring 2, so as to guarantee the flatness of the inner ring of thrust bearing, the outer end surface of copper ring 2 protrudes from the surface of one end of round clamping slot 3 of steel ring 1, steel ring 1 is also seted up with a plurality of assembly holes 12, so as to realize the mutual connection of steel ring 1 with bearing shell or wrapping shell through bolt, recess 4 is seted up along the circumferential direction on the periphery of steel ring 1, a plurality of channels 5 are seted up along the radial direction on steel ring 1, a plurality of oil grooves 6 are seted up evenly on the outer end surface of copper ring 2 in the form of ring, outer end recess 7 and inner end recess 8 are seted up at both ends of oil groove 6 respectively, through hole 9 is seted up in copper ring 2 in oil groove 6, through hole 9 and channel 5 are one-to-one corresponding and mutually communicated, the outer end of channel 5 and the outside of steel ring 1 are mutually communicated, so as to guarantee that lubricating oil can enter channel 5 from the outside, a plurality of push-up holes 10 are seted up through in steel ring 1 at round clamping slot 3.
[0024] The assembling method and using principle are as follows: first, the steel ring 1 and the copper ring 2 are respectively prepared, the steel ring 1 is provided with a reserved groove 4 on the periphery, a reserved positioning column 11 is arranged in the circular clamping groove 3 of the steel ring 1, a plurality of channels 5 are uniformly arranged on the steel ring 1 at the groove 4 through a hole opening device, a plurality of oil grooves 6 are formed on one end surface of the copper ring 2 through a lathe, outer end recesses 7 and inner end recesses 8 are arranged at the two ends of the oil grooves 6, and a positioning hole is arranged on the other end surface of the copper ring 2, so that the machining of the steel ring 1 and the copper ring 2 is completed. During the assembling, the positioning column 11 in the circular clamping groove 3 is corresponded with the positioning hole of the copper ring 2, the copper ring 2 is knocked, the copper ring 2 is pressed into the circular clamping groove 3 of the steel ring 1, and the assembling is completed. During the using, the combined thrust bearing is installed in a shell, a shaft passes through the steel ring 1 and the copper ring 2, a rotating surface is in contact with the copper ring 2, lubricating oil is added into the groove 4, then enters the channels 5, and then enters the oil grooves 6 through the through holes 9, so that the lubrication between the copper ring 2 and the contact surface is realized. The utility model has the advantages of reasonable structure, the combination of the steel ring 1 and the copper ring 2, the contact surface of the copper ring 2, the replacement of the copper ring 2 when the copper ring 2 is excessively worn, the reduction of the use cost, the ring-shaped contact surface of the copper ring 2, the plurality of oil grooves 6, the mutual communication between the oil grooves 6 and the channels 5 through the through holes 9 of the copper ring 2 and the through holes 5 of the steel ring 1, the penetration of the lubricating oil into the outer end and the inner end of the copper ring 2 through the outer end recesses 7 and the inner end recesses 8 at the two ends of the oil grooves 6, the great improvement of the lubrication effect, the improvement of the service life of the bearing, the plurality of push-up holes 10 arranged at the circular clamping groove 3 of the steel ring 1, the pushing-out of the copper ring 2 from the circular clamping groove 3 by using a tool when the copper ring 2 is replaced, and the replacement of the copper ring 2.
[0025] The parts not described in the utility model are the known technology of the person skilled in the art.
[0026] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model is described in detail with reference to the embodiments, the person skilled in the art should understand that the technical scheme of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and all of them should be covered in the claim range of the utility model.
Claims
1. A combined thrust bearing, characterized by: The utility model relates to a steel ring (1) and copper ring (2) are included, the inside of one end of steel ring (1) and coaxial round clamping slot (3) are set up, copper ring (2) is set up in round clamping slot (3), copper ring (2) outer end surface projects from the surface of the one end of round clamping slot (3) set up in steel ring (1), recess (4) is set up in the periphery of steel ring (1) along the circumferential direction, a plurality of passageways (5) are set up in the radial direction in steel ring (1), a plurality of oil groove (6) are evenly set up in the outer end surface of copper ring (2) and are annular, oil groove (6) both ends are provided with outer end recess (7) and inner end recess (8) respectively, through -hole (9) is set up in copper ring (2) in oil groove (6), and through -hole (9) and passageway (5) one to one correspondence and intercommunication, a plurality of push top hole (10) are set up in steel ring (1) and are penetrated in round clamping slot (3).
2. A combined thrust bearing according to claim 1, characterized in that: The utility model relates to a steel ring (1) and copper ring (2) are included, the inside of one end of steel ring (1) and coaxial round clamping slot (3) are set up, copper ring (2) is set up in round clamping slot (3), copper ring (2) outer end surface projects from the surface of the one end of round clamping slot (3) set up in steel ring (1), recess (4) is set up in the periphery of steel ring (1) along the circumferential direction, a plurality of passageways (5) are set up in the radial direction in steel ring (1), a plurality of oil groove (6) are evenly set up in the outer end surface of copper ring (2) and are annular, oil groove (6) both ends are provided with outer end recess (7) and inner end recess (8) respectively, through -hole (9) is set up in copper ring (2) in oil groove (6), and through -hole (9) and passageway (5) one to one correspondence and intercommunication, a plurality of push top hole (10) are set up in steel ring (1) and are penetrated in round clamping slot (3).
3. A combined thrust bearing according to claim 1, characterized in that: The utility model relates to a steel ring (1) and copper ring (2) are included, the inside of one end of steel ring (1) and coaxial round clamping slot (3) are set up, copper ring (2) is set up in round clamping slot (3), copper ring (2) outer end surface projects from the surface of the one end of round clamping slot (3) set up in steel ring (1), recess (4) is set up in the periphery of steel ring (1) along the circumferential direction, a plurality of passageways (5) are set up in the radial direction in steel ring (1), a plurality of oil groove (6) are evenly set up in the outer end surface of copper ring (2) and are annular, oil groove (6) both ends are provided with outer end recess (7) and inner end recess (8) respectively, through -hole (9) is set up in copper ring (2) in oil groove (6), and through -hole (9) and passageway (5) one to one correspondence and intercommunication, a plurality of push top hole (10) are set up in steel ring (1) and are penetrated in round clamping slot (3).
4. A combined thrust bearing according to claim 1, characterized in that: The utility model relates to a steel ring (1) and copper ring (2) are included, the inside of one end of steel ring (1) and coaxial round clamping slot (3) are set up, copper ring (2) is set up in round clamping slot (3), copper ring (2) outer end surface projects from the surface of the one end of round clamping slot (3) set up in steel ring (1 5. A combined thrust bearing according to claim 1, characterized in that: 6. A combined thrust bearing according to claim 1, characterized in that: