CN211901294U

CN211901294U - Wear-resisting copper-iron-based oil-retaining bearing structure

Info

Publication number: CN211901294U
Application number: CN202020382421.6U
Authority: CN
Inventors: 李峰; 李献举; 程建平
Original assignee: Shenzhen Guanqiang Powdered Metal Products Co ltd
Current assignee: Shenzhen Guanqiang Powdered Metal Products Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-10
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a technical field of bearing especially relates to a wear-resisting copper-iron base oiliness bearing structure, and it includes the wear-resisting body and the oiliness body, the shaft hole has been seted up at the center of the wear-resisting body, be equipped with the more than one wear-resisting ring on the shaft hole inner wall, wear-resisting ring salient in the shaft hole internal face, the wear-resisting body has the through-hole along the axial equipartition, be provided with the oilhole between through-hole and shaft hole, the oiliness body is lubricated strip, lubricated strip is in the through-hole. The utility model discloses the effect that wear resistance is high has.

Description

Wear-resisting copper-iron-based oil-retaining bearing structure

Technical Field

The utility model relates to the technical field of, especially, relate to a wear-resisting copper-iron base oil bearing structure.

Background

At present, oil-retaining bearings, namely porous bearings, are made of metal powder as a main raw material, are sintered bodies manufactured by a powder metallurgy method, are porous in nature, and have the technical advantages that the number, the size, the shape, the distribution and the like of pores can be freely adjusted in the manufacturing process; the porous sintered body is used to be soaked with 10-40% (volume fraction) of lubricating oil and used in a self-lubricating state; with the continuous development of the oil-retaining bearing industry, more and more industries and enterprises apply the oil-retaining bearing, and a large number of enterprises add the oil-retaining bearing industry.

The inner surface design of traditional oil bearing is the smooth surface, and when oil bearing internally mounted pivot was worked for a long time, wear resistance was poor, easily caused oil bearing inner surface out of round, influenced life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting copper-iron base oiliness bearing structure solves the relatively poor problem of oiliness bearing wearability.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a wear-resisting copper-iron-based oil-retaining bearing structure, includes wear-resisting body and oiliness body, the shaft hole has been seted up at wear-resisting body's center, be equipped with more than one wear-resisting ring on the shaft hole inner wall, wear-resisting ring salient in shaft hole internal face, wear-resisting body has the through-hole along the axial equipartition, be provided with the oilhole between through-hole and shaft hole, oiliness body is the lubricating strip, the lubricating strip is in the through-hole.

By adopting the technical scheme, the lubricating strip is made of porous copper powder, the porosity is high, the wear-resistant ring slightly protrudes out of the inner wall surface of the shaft hole and is used for contacting with the rotating shaft, the wear resistance of the wear-resistant body is improved, the rotating shaft generates heat due to friction during operation, the heat is quickly transferred to the oil-containing body by the wear-resistant ring, the oil-containing body is heated, so that lubricating oil in the oil-containing body overflows to a gap between the wear-resistant body and the rotating shaft through the oil hole to lubricate, the service life of the wear-resistant body is prolonged, and the lubricating performance of the wear-.

The utility model discloses further set up to: the lubricating strip is internally provided with a heat dissipation column, one end part of the heat dissipation column is provided with a heat dissipation strip, and the heat dissipation strip is attached to one end face of the wear-resistant body.

Adopt above-mentioned technical scheme, through mutually supporting of heat dissipation strip and heat dissipation post, the lubricated strip of drive that can be very convenient removes, and then easy to assemble and dismantlement lubricated strip, namely, can apply external force and make the heat dissipation strip break away from the wear-resisting body surface, and then can indirectly drive lubricated strip and break away from the wear-resisting body. When lubricating oil is insufficient, the oil-containing body can be quickly replaced, and the original wear-resistant body is reserved; when the wear-resisting body damages, only need the wear-resisting body of quick replacement, remain original oily body, practice thrift the cost, raise the efficiency.

The utility model discloses further set up to: the heat dissipation strip and the wear-resistant body are provided with a cushion pad through a locking piece.

By adopting the technical scheme, the cushion pad reduces the friction between the heat dissipation strip and the wear-resistant body, and indirectly prolongs the service life of the wear-resistant body.

The utility model discloses further set up to: the locking piece includes mounting groove, installation piece, the mounting groove is seted up on wear-resisting body, the installation piece is installed on the cushion pad and is cooperated with the mounting groove joint.

Adopt above-mentioned technical scheme, when the installation piece joint is in the mounting groove, enable the blotter and closely laminate on wear-resisting body, simultaneously, when needs change the blotter, exert external force make the installation piece break away from the draw-in groove can to easy to assemble with dismantle the blotter.

The utility model discloses further set up to: the inner wall of the shaft hole is provided with a bulge, the mounting block is provided with a groove, the bulge is clamped in the groove, the bulge protrudes out of the inner wall surface of the shaft hole, and the protrusion thickness of the bulge is the same as that of the wear-resisting ring.

Adopt above-mentioned technical scheme, when protruding joint recess is interior, can further lock the position of installation piece, and then the position of the indirect locking blotter of being convenient for, the condition of skew takes place for the position of avoiding the blotter, and protruding and wear-resisting ring material is the same, to this, can further improve the wear-resisting effect of wear-resisting body.

The utility model discloses further set up to: the wear-resistant ring is made of chromium and copper materials with good heat transfer performance and good wear resistance.

By adopting the technical scheme, the wear-resisting ring needs good wear resistance as a contact object with the rotating shaft when the rotating shaft rotates, the rotating shaft and the wear-resisting ring generate heat through friction, the wear-resisting ring needs to rapidly transfer heat to the wear-resisting body, so that the thermal expansion pore of the wear-resisting body is reduced, and lubricating oil overflows to a gap between the rotating shaft and the wear-resisting body for lubrication.

The utility model discloses further set up to: and more than one heat dissipation hole is formed in the outer wall of the wear-resistant body.

By adopting the technical scheme, when the wear-resistant body generates a large amount of heat, the heat can be discharged through the heat dissipation holes.

The utility model discloses further set up to: the heat dissipation holes are filled with heat conduction nets which are fixedly arranged on the inner walls of the heat dissipation holes.

By adopting the technical scheme, the heat-conducting net improves the heat-radiating speed by increasing the contact area with air.

To sum up, the utility model discloses a beneficial technological effect does:

through can be under the circumstances of guaranteeing the wearability, improved the lubricating property of bearing, can also dispel the internal heat of wearing body fast simultaneously, reduce the temperature in the wearing body working process, improve the life-span, also can rapid cooling after processing is accomplished in addition, make fluid get into wear-resisting internal portion fast. When lubricating oil is insufficient, the oil-containing body can be quickly replaced, and the original wear-resistant body is reserved; when the wear-resisting body damages, only need the wear-resisting body of quick replacement, remain original oily body, practice thrift the cost, raise the efficiency.

Drawings

Fig. 1 is a schematic cross-sectional view of a wear body according to the present invention;

FIG. 2 is a schematic cross-sectional view of the heat dissipating ring and locking member of the present invention;

FIG. 3 is a schematic view of the position of the center hole and the through hole of the present invention;

FIG. 4 is a schematic diagram of the position of the oil-containing body and the heat dissipating ring according to the present invention.

Reference numerals: 1. a wear resistant body; 11. a shaft hole; 12. a through hole; 13. an oil hole; 2. an oil-containing body; 3. a wear ring; 4. a heat dissipation ring; 41. a heat-dissipating column; 5. a cushion pad; 6. a locking member; 61. mounting grooves; 62. mounting blocks; 621. a groove; 7. a protrusion; 8. heat dissipation holes; 9. a thermally conductive mesh.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a wear-resisting copper-iron base oiliness bearing structure, including wear-resisting body 1 and oiliness body 2, wear-resisting body 1 adopts the steel sheet material, has guaranteed good wear-resisting effect, and shaft hole 11 has been seted up at the center, and wear-resisting body 1 evenly is provided with a through-hole 12 along axial symmetry, and through-hole 12 diameter is the third of wear-resisting body 1 thickness, is provided with horizontally oilhole 13 between through-hole 12 and shaft hole 11.

Referring to fig. 1, the oil-containing body 2 is a lubricating strip, the lubricating strip is made of porous copper powder, the porosity is high, and the oil content is high, in this embodiment, the lubricating strip is in one-to-one correspondence with the through hole 12, that is, the lubricating strip is inserted into the through hole 12, in order to separate the oil-containing body 2 conveniently, and improve the utilization rate of the oil-containing body 2, the heat dissipation columns 41 are arranged in the oil-containing body 2 and along the length direction of the oil-containing body 2, the heat dissipation strips are arranged at one ends of all the heat dissipation columns 41, referring to fig. 4, all the heat dissipation strips are connected together to form a heat dissipation ring 4, the inner diameter of the heat dissipation ring 4 is slightly larger than the inner diameter of.

Referring to fig. 1, in order to improve the wear resistance of the wear-resistant body 1, six wear-resistant rings 3 are arranged on the inner wall of the shaft hole 11, the wear-resistant rings 3 are arranged at intervals along the axial direction of the wear-resistant body 1, the wear-resistant rings 3 protrude out of the side wall of the shaft hole 11, and the wear-resistant rings 3 are made of chromium-copper materials with good heat transfer performance and good wear resistance.

In order to reduce the friction, refer to fig. 2, install blotter 5 through locking piece 6 at cooling ring 4 and wear-resisting body 1, blotter 5 is made by the rubber material, locking piece 6 includes mounting groove 61, installation piece 62, mounting groove 61 is seted up on wear-resisting body 1, installation piece 62 is installed on blotter 5 and is cooperated with mounting groove 61 joint, be equipped with protruding 7 on the 11 inner wall in shaft hole, protruding 7 is the disk, seted up on installation piece 62 with protruding 7 joint complex recess 621, recess 621 is the half slot, in this embodiment, protruding 7 salient in 11 internal faces in shaft hole, and protruding 7 is the same with the outstanding thickness of wear-resisting ring 3, protruding 7 adopts the chromium copper material that heat transfer performance is good and the wearability is good.

Referring to fig. 1, in order to reduce the heat of the wear-resistant body 1 as soon as possible, more than one heat dissipation holes 8 are formed in the outer wall of the wear-resistant body 1, heat conduction nets 9 are filled in the heat dissipation holes 8, the heat conduction nets 9 are fixedly installed on the inner walls of the heat dissipation holes 8, when the wear-resistant body 1 rotates to generate a large amount of heat, the heat can be discharged through the heat dissipation holes 8, the heat dissipation speed of the heat conduction nets 9 is increased by increasing the contact area with air, and the service performance of the wear-resistant body 1 is prevented from being influenced by.

The implementation process comprises the following steps: when the wear-resistant ring is used, the wear-resistant ring 3 slightly protrudes out of the inner wall surface of the wear-resistant body 1 to be contacted with the rotating shaft, the rotating shaft rotates to generate heat through friction with the wear-resistant ring 3, the wear-resistant ring 3 quickly transfers heat to the wear-resistant body 1, the pores are reduced through thermal expansion of the wear-resistant body 1, lubricating oil is used for lubricating a gap between the wear-resistant body 1 and the rotating shaft after the oil hole 13 is increased from the oil-containing body 2, the service life of the wear-resistant body 1 is prolonged, and meanwhile the lubricating performance of the.

The wear-resistant ring 3 and the oil-containing body 2 are separately arranged, when the wear-resistant ring 3 is worn and damaged or the oil content of the oil-containing body 2 is insufficient, parts can be replaced at any time without being replaced completely, the cost is saved, and the working efficiency is further improved. In addition, an oil hole 13 is communicated between the through hole 12 and the shaft hole 11, when the lubricating device works, a lubricating strip inserted into the through hole 12 is heated, lubricating oil overflows and enters the shaft hole 11 from the oil hole 13, and a good lubricating effect is guaranteed. The wear-resisting ring 3 is made of a steel plate material, so that a good wear-resisting effect is guaranteed.

Simultaneously, lubricated strip is terminal to be fixed with heat dissipation ring 4, and heat dissipation ring 4 sets up externally, conveniently with the inside heat effluvium of wear-resisting body 1, at the during operation, prevents the high temperature, influences life, and simultaneously after work, the help is cooled down rapidly, makes lubricating oil get back to fast in the lubricated strip.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a wear-resisting bronze base oiliness bearing structure, its characterized in that, includes wear-resisting body (1) and oiliness body (2), shaft hole (11) have been seted up at the center of wear-resisting body (1), be equipped with more than one wear-resisting ring (3) on shaft hole (11) inner wall, wear-resisting ring (3) salient in shaft hole (11) internal face, wear-resisting body (1) has through-hole (12) along the axial equipartition, be provided with oilhole (13) between through-hole (12) and shaft hole (11), oiliness body (2) are lubricated strip, lubricated strip is in through-hole (12).

2. A wear-resistant bronze-based oil-impregnated bearing structure according to claim 1, wherein a heat-dissipating stud (41) is provided in the lubricating strip, and a heat-dissipating strip is provided at one end of the heat-dissipating stud (41) and attached to one end surface of the wear-resistant body (1).

3. A wear-resistant cupronickel-based oil-impregnated bearing structure according to claim 2, characterized in that the heat sink strip and the wear body (1) are fitted with a buffer pad (5) by means of a locking piece (6).

4. A wear-resistant brass-based oil-impregnated bearing structure as claimed in claim 3, wherein the locking member (6) includes a mounting groove (61), a mounting block (62), the mounting groove (61) is opened on the wear-resistant body (1), and the mounting block (62) is mounted on the cushion pad (5) and is snap-fitted with the mounting groove (61).

5. The wear-resistant copper-iron-based oil-retaining bearing structure as claimed in claim 4, wherein a protrusion (7) is arranged on the inner wall of the shaft hole (11), a groove (621) is formed in the mounting block (62), the protrusion (7) is clamped in the groove (621), the protrusion (7) protrudes out of the inner wall surface of the shaft hole (11), and the protrusion thickness of the protrusion (7) is the same as that of the wear-resistant ring (3).

6. The wear-resistant copper-iron-based oil-retaining bearing structure as claimed in claim 1, wherein the wear-resistant ring (3) is made of chromium-copper material with good heat transfer performance and good wear resistance.

7. A wear-resistant cupronickel-based oil-impregnated bearing structure according to claim 1, characterized in that the outer wall of the wear-resistant body (1) is provided with more than one heat dissipation hole (8).

8. A wear-resistant Cu-Fe-based oil-retaining bearing structure according to claim 7, wherein the heat dissipation hole (8) is filled with a heat conduction net (9), and the heat conduction net (9) is fixedly installed on the inner wall of the heat dissipation hole (8).