Water-lubricated bearing with T-shaped groove

Abstract

The utility model relates to a water-lubricated bearing with a T-shaped groove. The water-lubricated bearing comprises an alloy outer bushing (3), the high-molecular neck bush (2) is fixed on the inner wall of the alloy outer bush (3) in a tensioning manner, the high-molecular neck bush (2) consists of a plurality of high-molecular neck bush single bodies (21) which are arranged along the circumferential direction of the inner wall of the alloy outer bush (3), and a groove (1) with a T-shaped cross section is formed between the side walls of every two adjacent high-molecular neck bush single bodies (21). Compared with the prior art, under the condition that the number of the grooves is not increased, the friction force of the bearing is further reduced, so that the service life of the bearing is prolonged, the bearing capacity is improved, the silt discharging time is shortened, and silt is discharged more cleanly.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially is related to a water lubrication bearing with T type groove. BACKGROUND

[0002] Bearing is the component that mechanical drive process in mechanical is fixed and reduces load friction coefficient, long -term sliding bearing usually constitutes with metal component, takes oil as working medium, needs to consume a large amount of oil and metal material, and there is the condition of leaking oil in drive process, in order to prevent leakage to bearing and carry out sealing design, make bearing structure also is relatively complex, and actually very difficult to reduce or reduce various because the movement of friction pair produces friction, wear, vibration, impact, noise, power consumption and so on.

[0003] In order to overcome the series of problems that bearing with oil as medium produces, the market also appears many water lubrication bearings with water as medium, although compared with traditional oil lubrication, the environmental protection and cleaning ability of water lubrication is very strong, but the viscosity of water is very low, usually below 1 / 20 of oil, so it is difficult to obtain fluid lubrication, so its carrying capacity is relatively low.

[0004] The load of the existing related water lubrication bearing is small, and in the water area with high silt content, the groove can play a role in sand removal, reducing the friction and wear of the rubber layer. Generally, the more grooves, and with the increase of groove width, the non-dimensional load of the bearing is reduced, and the carrying capacity of the bearing is lower. However, the friction coefficient of the bearing decreases with the increase of the groove width, and widening the groove can improve the cooling effect of the lubricant in the bearing, avoid the decrease of the viscosity of the liquid with the increase of the temperature, and maintain the lubricating property.

[0005] Therefore, there is an urgent need for a water lubrication bearing that can reduce bearing friction, improve its carrying capacity and speed up the time of removing silt without increasing the groove. SUMMARY

[0006] The utility model discloses a water lubrication bearing with T type groove, which overcomes the defects of the prior art.

[0007] The utility model discloses a water lubrication bearing with T type groove, which overcomes the defects of the prior art.

[0008] The utility model discloses a water lubrication bearing with T type groove, which overcomes the defects of the prior art.

[0009] Alloy outer bushing;

[0010] The polymer inner bushing is fixed on the inner wall of the alloy outer bushing, and is composed of a plurality of polymer inner bushing units arranged along the circumferential direction of the inner wall of the alloy outer bushing, and a T-shaped groove is formed between the side walls of two adjacent polymer inner bushing units.

[0011] In some embodiments, a side wall and / or both side walls of the polymer inner bushing unit are provided with a groove section in L-shaped cross section, and the groove sections in L-shaped cross section on the side walls of two adjacent polymer inner bushing units form a groove in T-shaped cross section.

[0012] In some embodiments, the groove section includes a first strip-shaped groove section on the side wall of the polymer inner bushing unit and a second strip-shaped groove section perpendicular to the first strip-shaped groove section.

[0013] In some embodiments, the ratio of the width of the first strip-shaped groove section to the inner diameter of the polymer inner bushing is 1:35-1:50.

[0014] In some embodiments, when only one side wall of two polymer inner bushing units is provided with a groove section in L-shaped cross section, the other side wall adjacent thereto is provided with a stop bar abutting against each other.

[0015] In some embodiments, the stop bar is provided with at least one.

[0016] In some embodiments, the number of grooves is 6-10.

[0017] In some embodiments, the distance between two adjacent grooves is 10 cm.

[0018] In some embodiments, the thickness of the polymer inner bushing is 2-4 cm.

[0019] In some embodiments, the thickness of the alloy outer bushing is 1-3 cm.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] (1) The utility model overturns the innovation point and can improve the service life of the bearing, improve the bearing capacity and improve the sand discharge capacity without increasing the number of grooves, without widening the groove width and depth.

[0022] (2) The design of the T-shaped groove can maintain good bearing capacity, and widening the groove will reduce the friction capacity of the bearing. The T-shaped groove can maintain the water film while ensuring the bearing capacity.

[0023] (3) The utility model is suitable for " swallow-tail type" inlay strip type tile shaft, " bucket type" inlay strip type tile shaft, circular arc groove, circular ring groove, spiral groove, wave groove etc., wide application range, strong operability.

[0024] (4) When the silt and impurities enter the contact surface between the shaft and the bearing, the utility model structure is easier to drain the silt and impurities. For example, the spiral groove high polymer water lubricating bearing can only rotate in one direction, and the utility model groove can improve the silt drainage amount. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is the structure schematic view of the utility model.

[0026] Fig. 2 It is the cross section structure schematic view of the utility model.

[0027] Fig. 3 It is one structure schematic view of the utility model high polymer inner bushing unit.

[0028] Fig. 4 It is another structure schematic view of the utility model high polymer inner bushing unit.

[0029] The figure is identified as follows:

[0030] 1 is the groove, 11 is the groove part, 111 is the first strip groove part, 112 is the second strip groove part, 2 is the high polymer inner bushing, 21 is the high polymer inner bushing unit, 3 is the alloy outer bushing, 4 is the stop strip. DETAILED DESCRIPTION

[0031] The utility model will be described in detail below in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, and detailed implementation mode and specific operation process are given, but the protection scope of the utility model is not limited to the following examples.

[0032] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0033] Some embodiments of the utility model will be described in detail below in combination with the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0034] In the following examples, if there is no special description of the function components or structure, it indicates that they are all conventional components or conventional structures adopted in the field to realize the corresponding functions.

[0035] Example 1:

[0036] As Figs. 1-4 shown, it is a water-lubricated bearing with T-shaped grooves, comprising: an alloy outer bush 3; a polymer inner bush 2 tightly fixed on the inner wall of the alloy outer bush 3, the polymer inner bush 2 is composed of a plurality of polymer inner bush monomers 21 arranged along the circumferential direction of the inner wall of the alloy outer bush 3, and the side walls of the adjacent two polymer inner bush monomers 21 form a T-shaped groove 1 in cross section. The groove 1 is linear on the inner wall of the polymer inner bush 2, and its extension direction is parallel to the central axis of the alloy outer bush. The setting of the T-shaped groove 1 can improve the carrying capacity of the water-lubricated bearing without increasing the number of grooves. In the prior art, increasing the groove width can improve the sand discharge capacity, but the water film carrying capacity of the bearing will be reduced. In order to improve the sand discharge capacity and ensure the carrying capacity, the T-shaped groove 1 is set to achieve the purpose of not increasing the number of grooves, reducing the friction of the bearing, and then improving the service life of the bearing, improving the carrying capacity, speeding up the time of discharging silt, and discharging more cleanly.

[0037] More specifically, one side wall and / or both side walls of the polymer inner bush monomer 21 are provided with a groove section 11 with an L-shaped cross section, and the groove sections 11 with an L-shaped cross section on the side walls of the adjacent two polymer inner bush monomers 21 form a T-shaped groove 1 with a T-shaped cross section. The groove section 11 includes a first strip-shaped groove section 111 opened on the side wall of the polymer inner bush monomer 21 and a second strip-shaped groove section 112 perpendicular to the first strip-shaped groove section 111. The ratio of the width of the first strip-shaped groove section 111 to the inner diameter of the polymer inner bush 2 is 1:35-1:50, and as a preferred, the ratio of the width of the first strip-shaped groove section 111 to the inner diameter of the polymer inner bush 2 is 1:45.

[0038] The polymer inner bush monomer 21 can be installed by "interference" method, that is, it is frozen first and installed in the alloy outer bush 3 when it is not yet expanded, so it is easier to install by setting the relatively arranged groove sections 11. If a T-shaped through groove is directly opened on the polymer inner bush 2, material is wasted, and an additional process is also added in actual production.

[0039] When only one side wall of the two polymer inner bush monomers 21 is provided with a groove section 11 with an L-shaped cross section, the other side wall adjacent thereto is provided with a stop strip 4 abutting against each other. The stop strip 4 is provided with at least one, and can also be provided with two. When two stop strips 4 are provided, the two sides of one of the stop strips 4 abut against the two side walls of the adjacent two polymer inner bush monomers 21, and the other stop strip 4 is symmetrically arranged.

[0040] The number of grooves 1 is 6-10, and as a preferred, the number of grooves 1 is 6.

[0041] The distance between the adjacent two grooves 1 is 10 cm.

[0042] The thickness of the polymer inner sleeve 2 is 2-4 cm, and preferably, the thickness of the polymer inner sleeve 2 is 3 cm.

[0043] The thickness of the alloy outer sleeve 3 is 1-3 cm, and preferably, the thickness of the alloy outer sleeve 3 is 2 cm.

[0044] In the present embodiment, the water-lubricated bearing with T-shaped grooves has an inner diameter of 36 cm, an outer diameter of 46 cm, and a height of 50 cm.

[0045] The specific installation process of the water-lubricated bearing with T-shaped grooves in the present embodiment is as follows:

[0046] The two side walls of each of the five polymer inner sleeve units 21 are provided with a groove section 11, and one side wall of each of two polymer inner sleeve units 21 is provided with a groove section 11. The polymer inner sleeve units 21 are sequentially placed in the alloy outer sleeve 3 from the head to the tail by freezing, and two polymer inner sleeve units 21 provided with only one groove section 11 are used as the head and the tail, respectively. The stopper 5 is arranged between the side walls of the polymer inner sleeve units 21 not provided with the groove section 11. After being warmed, the polymer inner sleeve units 21 are expanded and form the polymer inner sleeve 2 in the alloy outer sleeve 3.

[0047] The above description of the embodiments is for the purpose of facilitating the understanding and use of the utility model by those of ordinary skill in the art. Those skilled in the art can easily make various modifications to the embodiments, and apply the general principles described herein to other embodiments without creative labor. Therefore, the utility model is not limited to the above embodiments, and the improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the protection scope of the utility model.

Claims

1. A water-lubricated bearing having T-grooves, characterized in that, The utility model relates to a kind of alloy outer bushings (3) and polymer inner bushings (2) fixedly arranged in the inner wall of alloy outer bushings (3). Polymer inner bushings (2) are fixedly arranged in the inner wall of alloy outer bushings (3), and the polymer inner bushings (2) are composed of several polymer inner bushing units (21) arranged along the circumferential direction of the inner wall of alloy outer bushings (3), and the side wall between adjacent two polymer inner bushing units (21) forms a groove (1) with T-shaped cross section. The side wall and / or both side walls of the polymer inner bushing unit (21) are provided with groove subparts (11) with L-shaped cross section, and the groove subparts (11) with L-shaped cross section on the side wall of adjacent two polymer inner bushing units (21) form a groove (1) with T-shaped cross section.

2. The water-lubricated bearing with T-groove according to claim 1, characterized by, The groove subpart (11) includes a first strip groove subpart (111) opened on the side wall of the polymer inner bushing unit (21) and a second strip groove subpart (112) perpendicular to the first strip groove subpart (111).

3. The water-lubricated bearing with T-groove according to claim 2, characterized by, The ratio of the width of the first strip groove subpart (111) to the inner diameter of the polymer inner bushing (2) is 1:35-1:

50.

4. The water-lubricated bearing with T-groove according to claim 3, characterized by When only one side wall of two polymer inner bushing units (21) is provided with groove subpart (11) with L-shaped cross section, the adjacent other side wall is provided with stop bar (4) abutting against each other.

5. The water-lubricated bearing with T-groove according to claim 2, characterized by, The stop bar (4) is provided with at least one.

6. The water-lubricated bearing with T-groove according to claim 5, characterized by The number of the groove (1) is 6-10.

7. The water lubricated bearing with T-groove of claim 1, wherein, The distance between adjacent two grooves (1) is 10 cm.

8. The water lubricated bearing with T-groove of claim 1, wherein, The thickness of the polymer inner bushing (2) is 2-4 cm.

9. The water lubricated bearing with T-groove of claim 1, wherein, The thickness of the alloy outer bushing (3) is 1-3 cm.

10. The water lubricated bearing with T-groove of claim 1, wherein, ​

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