Generator shaft sleeve with wear-resistant lining structure

Abstract

The utility model relates to the technical field of shaft sleeves, and discloses a generator shaft sleeve with a wear-resistant lining structure, which solves the problem that the existing generator shaft sleeve is poor in wear resistance and lubrication effect, and comprises a generator shaft sleeve body consisting of a tungsten steel alloy outer sleeve and a silicon carbide wear-resistant lining sleeve, a first annular inner groove is formed in one end of the inner side wall of the silicon carbide wear-resisting neck bush, a second annular inner groove is formed in the end, away from the first annular inner groove, of the inner side wall of the silicon carbide wear-resisting neck bush, and a plurality of axial strip-shaped grooves are formed in the middle of the inner side wall of the silicon carbide wear-resisting neck bush. The two ends of the axial strip-shaped groove communicate with the first annular inner groove and the second annular inner groove correspondingly, a plurality of axial oil guide through holes are formed in the silicon carbide wear-resisting neck bush, and a plurality of radial oil guide micro holes communicating with the axial oil guide through holes are formed in the inner surface of the silicon carbide wear-resisting neck bush. Through the generator shaft sleeve, the wear resistance and the lubricating effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of shaft sleeve, concretely is a generator shaft sleeve with wear -resisting lining structure. BACKGROUND

[0002] The generator shaft sleeve is one of the main parts of the generator, the shaft sleeve is sleeved on the generator rotating shaft, realizes the protection effect to the rotating shaft, and the rotating shaft and the shaft sleeve are continuously rubbed in the cooperation process, and the excessive wear of the shaft sleeve will affect the normal work of the rotating shaft, therefore, the shaft sleeve needs to have good wear resistance to ensure the normal work of the rotating shaft, and the existing generator shaft sleeve usually has the defects of poor wear resistance, in addition, the lubricating effect between the existing generator shaft sleeve and the rotating shaft is poor, and the wear speed of the shaft sleeve is increased, therefore, the utility model provides a generator shaft sleeve with wear -resisting lining structure. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a generator shaft sleeve with wear -resisting lining structure, which effectively solves the problems of poor wear resistance and lubricating effect of the existing generator shaft sleeve.

[0004] To achieve the above object, the utility model provides the following technical scheme: a generator shaft sleeve with wear -resisting lining structure, including generator shaft sleeve body, the generator shaft sleeve body is by tungsten steel alloy outer sleeve and silicon carbide wear -resisting lining set, silicon carbide wear -resisting lining set is fixedly connected to the inner surface of tungsten steel alloy outer sleeve, the one end of silicon carbide wear -resisting lining set inner side wall is provided with annular inner groove no.

[0005] Preferably, the tungsten steel alloy outer sleeve and the silicon carbide wear -resisting lining set are in interference fit connection structure, the inner surface of the tungsten steel alloy outer sleeve is provided with a plurality of limiting grooves, and the outer surface of the silicon carbide wear -resisting lining set is fixedly provided with a plurality of limiting clamping strips matched with the limiting grooves.

[0006] Preferably, the limiting grooves and the limiting clamping strips are all triangular structures in cross section, and the limiting clamping strips and the silicon carbide wear -resisting lining set are in one-piece structure.

[0007] Preferably, the annular inner groove no.

[0008] Preferably, the graphite ring one and the graphite ring two are provided with a plurality of through holes matched with the axial oil guide through holes.

[0009] Preferably, the axial oil guide through holes are provided with rubber sealing plugs at both ends, a plurality of annular grooves are arranged at both ends of the axial oil guide through holes, the outer surface of the rubber sealing plug is provided with a plurality of annular convex ribs matched with the annular grooves, and a micro injection hole is arranged at the center position of the rubber sealing plug.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] (1), in the work, through setting up by tungsten steel alloy outer sleeve and silicon carbide wear -resisting inner bushing structure of generator shaft sleeve body, can improve its overall wear resistance, through setting up tungsten steel alloy outer sleeve and silicon carbide wear -resisting inner bushing is connected structure of interference fit, can realize individual replacement to it when silicon carbide wear -resisting inner bushing wears out;

[0012] (2), through being provided with annular inner groove one, annular inner groove two, axial strip-shaped groove, axial oil guide through hole and radial oil guide micro hole, can realize the injection and storage of lubricating oil, and the lubricating effect can be improved through the lubricating oil, and through being provided with graphite ring one, graphite ring two, graphite strip and graphite column, annular inner groove one, annular inner groove two, axial strip-shaped groove and radial oil guide micro hole can be relatively blocked, so that the lubricating oil can penetrate along the connecting gap, and the lubricating time is prolonged by reducing the lubricating oil penetration speed, in addition, the wear speed of the silicon carbide wear -resisting inner bushing can be reduced and the service life can be prolonged by graphite. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0014] In the drawings:

[0015] Figure 1 It is one of the structure schematic diagram of the generator shaft sleeve structure with wear -resisting inner lining structure of the utility model;

[0016] Figure 2 It is the second structure schematic diagram of the generator shaft sleeve structure with wear -resisting inner lining structure of the utility model;

[0017] Figure 3 It is the structure schematic diagram of tungsten steel alloy outer sleeve of the utility model;

[0018] Figure 4 It is the structure schematic diagram of silicon carbide wear -resisting inner bushing of the utility model;

[0019] Figure 5 It is a structure schematic view of graphite ring one of the utility model;

[0020] Figure 6 It is a structure schematic view of rubber sealing plug and axial oil guide through hole connecting structure of the utility model;

[0021] In the figure: 1, generator shaft sleeve body;2, tungsten steel alloy sleeve;3, silicon carbide wear-resistant inner bushing;4, annular inner groove one;5, annular inner groove two;6, axial strip-shaped groove;7, axial oil guide through hole;8, radial oil guide micropore;9, limit clamping groove;10, limit clamping strip;11, graphite ring one;12, graphite ring two;13, graphite strip;14, graphite column;15, through hole;16, rubber sealing plug;17, annular groove;18, annular convex rib;19, injection micropore. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only 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.

[0023] By Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 6 A kind of generator shaft sleeve with wear-resistant inner lining structure is given in the utility model, including generator shaft sleeve body 1, generator shaft sleeve body 1 is by tungsten steel alloy sleeve 2 and silicon carbide wear-resistant inner bushing 3, silicon carbide wear-resistant inner bushing 3 is fixedly connected to the inner surface of tungsten steel alloy sleeve 2, annular inner groove one 4 is set to one end of the inner side wall of silicon carbide wear-resistant inner bushing 3, annular inner groove two 5 is set to the end of the inner side wall of silicon carbide wear-resistant inner bushing 3 away from annular inner groove one 4, a plurality of axial strip-shaped grooves 6 are set to the middle position of the inner side wall of silicon carbide wear-resistant inner bushing 3, the two ends of axial strip-shaped groove 6 are communicated with annular inner groove one 4 and annular inner groove two 5 respectively, a plurality of axial oil guide through holes 7 communicated with annular inner groove one 4 and annular inner groove two 5 are set to silicon carbide wear-resistant inner bushing 3, a plurality of radial oil guide micropores 8 communicated with axial oil guide through hole 7 are set to the inner surface of silicon carbide wear-resistant inner bushing 3;

[0024] The combined structure of the tungsten steel alloy outer sleeve 2 and the silicon carbide wear-resistant inner sleeve 3 can improve the wear resistance and can be disassembled, making it easy to replace the silicon carbide wear-resistant inner sleeve 3 separately. The annular inner groove 1 4, the annular inner groove 2 5, the axial strip groove 6 and the radial oil guide micropores 8 can store lubricating oil and improve the lubrication effect. The axial oil guide through hole 7 can be used to inject lubricating oil, making it easy to add lubricating oil.

[0025] Depend on Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6 It is given that the tungsten steel alloy outer shell 2 and the silicon carbide wear-resistant inner liner 3 are an interference fit connection structure, the inner surface of the tungsten steel alloy outer shell 2 is provided with a plurality of limit card grooves 9, and the outer surface of the silicon carbide wear-resistant inner liner 3 is fixedly provided with a plurality of limit card strips 10 that match the limit card grooves 9. The cross-sections of the limit card grooves 9 and the limit card strips 10 are both triangular structures, and the limit card strips 10 and the silicon carbide wear-resistant inner liner 3 are an integrated structure;

[0026] By setting the tungsten steel alloy outer sleeve 2 and the silicon carbide wear-resistant inner sleeve 3 as an interference fit connection structure, the silicon carbide wear-resistant inner sleeve 3 can be replaced separately after later wear, and the limiting card groove 9 and the limiting card strip 10 can improve the stability of the connection between the tungsten steel alloy outer sleeve 2 and the silicon carbide wear-resistant inner sleeve 3;

[0027] Depend on Figure 2 、 Figure 4 and Figure 5 Graphite ring 11 is provided inside annular inner groove 14, graphite ring 2 12 is provided inside annular inner groove 2 5, graphite strip 13 is provided inside axial strip groove 6, graphite column 14 is provided inside radial oil guide micropore 8, and graphite ring 11 and graphite ring 2 12 are both provided with a plurality of through holes 15 matching the axial oil guide through hole 7;

[0028] The annular inner groove 1 4 is sealed by the graphite ring 11, the annular inner groove 2 5 is sealed by the graphite ring 12, the axial strip groove 6 is sealed by the graphite strip 13, and the radial oil guide micropores 8 are sealed by the graphite column 14, so that the lubricating oil can penetrate along the connecting gap, improving the lubrication effect, while also reducing the penetration speed of the lubricating oil and extending the lubrication time. The graphite ring 11, the graphite ring 2 12, the graphite strip 13 and the graphite column 14 can also achieve lubrication, further improving the lubrication effect.

[0029] Depend on Figure 4 and Figure 6The two ends of the axial oil guide through hole 7 are provided with rubber sealing plugs 16, and the two ends of the axial oil guide through hole 7 are provided with a plurality of annular grooves 17. The outer surface of the rubber sealing plug 16 is provided with a plurality of annular ribs 18 matched with the annular grooves 17. The center of the rubber sealing plug 16 is provided with an injection micro-hole 19.

[0030] The rubber sealing plug 16 can block the two ends of the axial oil guide through hole 7 to prevent leakage of lubricating oil. The annular grooves 17 and the annular ribs 18 can improve the stability of the connection of the rubber sealing plug 16. When it is necessary to add lubricating oil, the needle tube is used to extract the lubricating oil, and then the needle is inserted into the injection micro-hole 19.

[0031] In work, the generator shaft sleeve body composed of tungsten steel alloy sleeve and silicon carbide wear-resistant inner sleeve can improve the overall wear resistance. The tungsten steel alloy sleeve and the silicon carbide wear-resistant inner sleeve are connected in an interference fit structure, so that the silicon carbide wear-resistant inner sleeve can be replaced individually when it is worn. The annular inner groove one, the annular inner groove two, the axial strip-shaped groove, the axial oil guide through hole and the radial oil guide micro-hole can realize the injection and storage of lubricating oil. The graphite ring one, the graphite ring two, the graphite strip and the graphite column can relatively block the annular inner groove one, the annular inner groove two, the axial strip-shaped groove and the radial oil guide micro-hole, so that the lubricating oil can penetrate along the connecting gap, and the penetration speed of the lubricating oil is reduced, the lubrication time is prolonged, and the wear speed of the silicon carbide wear-resistant inner sleeve is reduced, thereby prolonging the service life.

Claims

1. A generator shaft sleeve with a wear-resistant lining structure, comprising a generator shaft sleeve body (1), characterized in that: The generator shaft sleeve body (1) is composed of a tungsten steel alloy outer shell (2) and a silicon carbide wear-resistant inner sleeve (3), the silicon carbide wear-resistant inner sleeve (3) is fixedly connected to the inner surface of the tungsten steel alloy outer shell (2), an annular inner groove (4) is provided at one end of the inner side wall of the silicon carbide wear-resistant inner sleeve (3), an annular inner groove (5) is provided at one end of the inner side wall of the silicon carbide wear-resistant inner sleeve (3) away from the annular inner groove (4), and an annular inner groove (6) is provided at the inner side wall of the silicon carbide wear-resistant inner sleeve (3). A plurality of axial strip grooves (6) are provided in the middle of the side wall, and the two ends of the axial strip grooves (6) are respectively connected to the annular inner groove 1 (4) and the annular inner groove 2 (5); a plurality of axial oil guide holes (7) connected to the annular inner groove 1 (4) and the annular inner groove 2 (5) are provided on the silicon carbide wear-resistant inner bushing (3); and a plurality of radial oil guide micropores (8) connected to the axial oil guide holes (7) are provided on the inner surface of the silicon carbide wear-resistant inner bushing (3).

2. The generator shaft sleeve with a wear-resistant lining structure according to claim 1, characterized in that: The tungsten steel alloy outer sleeve (2) and the silicon carbide wear-resistant inner sleeve (3) are an interference fit connection structure, the inner surface of the tungsten steel alloy outer sleeve (2) is provided with a plurality of limit slots (9), and the outer surface of the silicon carbide wear-resistant inner sleeve (3) is fixedly provided with a plurality of limit strips (10) matching the limit slots (9).

3. The generator shaft sleeve with a wear-resistant lining structure according to claim 2, characterized in that: The cross-sections of the position-limiting slot (9) and the position-limiting strip (10) are both triangular structures, and the position-limiting strip (10) and the silicon carbide wear-resistant inner liner (3) are an integrated structure.

4. The generator shaft sleeve with a wear-resistant lining structure according to claim 1, characterized in that: A graphite ring (11) is provided inside the annular inner groove (4), a graphite ring (12) is provided inside the annular inner groove (5), a graphite strip (13) is provided inside the axial strip groove (6), and a graphite column (14) is provided inside the radial oil guide micropore (8).

5. The generator shaft sleeve with a wear-resistant lining structure according to claim 4, characterized in that: The graphite ring 1 (11) and the graphite ring 2 (12) are both provided with a plurality of through holes (15) that match the axial oil guide holes (7).

6. The generator shaft sleeve with a wear-resistant lining structure according to claim 1, characterized in that: Both ends of the axial oil guide hole (7) are provided with rubber sealing plugs (16), both ends of the axial oil guide hole (7) are provided with a plurality of annular grooves (17), the outer surface of the rubber sealing plug (16) is provided with a plurality of annular ribs (18) matching the annular grooves (17), and the center of the rubber sealing plug (16) is provided with an injection microhole (19).

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