Lubricating grease tribology testing device

Abstract

A lubricating grease tribology test device comprises a test bench which comprises a fixed support and a mobile platform; the sleeve is used for smearing lubricating grease, and the sleeve is connected with the fixing support; the sleeve is connected with the moving platform, and the moving platform is suitable for driving the sleeve to do reciprocating motion in the axial direction of the sleeve. The lubricating grease tribology testing device provided by the technical scheme is used for testing friction coefficients of different lubricating grease.

Description

Technical Field

[0001] The utility model relates to the technical field of product friction testing, in particular to a grease tribology testing device. Background Art

[0002] Grease, lubricating oil and other products are widely used in life, industry and other fields. During use, it is necessary to know the friction coefficient of different greases so as to better apply the grease to life, industrial production and other fields according to actual conditions.

[0003] Therefore, it is necessary to provide a grease tribology testing device for testing the friction coefficients of different greases. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a grease tribology testing device, which can test the friction coefficient of the grease through the reciprocating motion of the sleeve relative to the sleeve.

[0005] In order to solve the above technical problems, an embodiment of the utility model provides a grease tribology testing device, including: a test bench, the test bench includes a fixed bracket and a movable platform; a sleeve, the sleeve is used to apply grease, the sleeve is connected to the fixed bracket; a sleeve, the sleeve is connected to the movable platform, and the movable platform is suitable for driving the sleeve to reciprocate along the axial direction of the sleeve.

[0006] Optionally, it also includes: a connecting component, which connects the sleeve and the fixing bracket.

[0007] Optionally, the connecting assembly includes: a first connecting member, which is connected to the fixed bracket; a second connecting member, which includes a first surface and a second surface arranged opposite to each other, and the first connecting member is connected to one side of the first surface; a third connecting member, which is vertically connected to one side of the second surface, and the sleeve is installed on the third connecting member, and the axial direction of the sleeve is parallel to the length direction of the second connecting member.

[0008] Optionally, a first slide groove is provided on the second connecting member along the length direction of the second connecting member, the first slide groove runs through the first surface and the second surface, and the third connecting member is detachably installed in the first slide groove.

[0009] Optionally, it further includes: a plurality of positioning blocks, which are arranged on the second surface at equal intervals, and the positioning blocks are used to limit the position of the third connecting member on the second connecting member.

[0010] Optionally, the first connecting member is threadedly connected to the second connecting member; the second connecting member is threadedly connected to the third connecting member; and the third connecting member is threadedly connected to the sleeve.

[0011] Optionally, it also includes: a substrate, which connects the sleeve and the moving platform.

[0012] Optionally, a mounting piece is provided on the sleeve, and the mounting piece is threadedly connected to the base plate.

[0013] Optionally, a step portion is provided on the substrate, the step portion protrudes from the surface of the substrate, and the top surface of the step portion is suitable for fitting with the bottom surface of the sleeve.

[0014] Optionally, the substrate has a third surface and a fourth surface that are arranged opposite to each other, and a second slide groove is arranged on the substrate along the length direction of the substrate, and the second slide groove runs through the third surface and the fourth surface.

[0015] Optionally, the base plate is threadably connected to the movable platform via the second slide groove.

[0016] Compared with the prior art, the technical solution of the embodiment of the utility model has the following beneficial effects:

[0017] The grease tribology testing device provided by the technical solution is provided with a sleeve and a casing. The sleeve is used to apply grease. The casing reciprocates along the axial direction of the casing driven by a mobile platform. The friction coefficient of different greases is tested through multiple frictions between the inner wall of the casing and the outer wall of the sleeve.

[0018] Furthermore, a first slide groove is provided on the second connecting member along the length direction of the second connecting member, the first slide groove runs through the first surface and the second surface, and the third connecting member is detachably installed in the first slide groove. The third connecting member is detachably installed in the first slide groove, and the position of the third connecting member in the first slide groove can be changed, so that the test device can be applied to sleeves of different lengths, thereby increasing the application range of the test device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 and Figure 2 It is a structural schematic diagram of a grease tribology testing device in one embodiment of the utility model. DETAILED DESCRIPTION

[0020] As described in the background art, lubricating greases with different friction coefficients are required in various fields such as industry and life. Therefore, it is often necessary to test the friction coefficient of the lubricating grease.

[0021] In order to solve the above problems, an embodiment of the present invention provides a grease tribology testing device, including a test bench, a sleeve and a casing, the sleeve is connected to a fixed bracket of the test bench, the sleeve is connected to a movable platform of the test bench, the movable platform is suitable for driving the casing to reciprocate along the axial direction of the sleeve, and the grease is applied to the outer wall of the sleeve. The friction coefficient of the grease can be tested through multiple frictions between the inner wall of the casing and the outer wall of the sleeve.

[0022] In order to make the above-mentioned objects, features and beneficial effects of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0023] Figure 1 and Figure 2 They are structural schematic diagrams of a grease tribology testing device from different perspectives in one embodiment of the utility model.

[0024] Combined with reference Figure 1 and Figure 2 The grease tribology testing device includes: a test bench (not shown), the test bench includes a fixed bracket and a mobile platform; a sleeve 10, the sleeve 10 is used to apply grease, the sleeve 10 is connected to the fixed bracket; a sleeve 20, the sleeve 20 is connected to the mobile platform, and the mobile platform is suitable for driving the sleeve 20 to reciprocate along the axial direction X of the sleeve 10.

[0025] In this embodiment, the fixing bracket is fixedly installed on the testing device and is used to fix the sleeve 10 .

[0026] In this embodiment, the mobile platform is actively driven to move by a driving member of the test bench.

[0027] In this embodiment, the sleeve 20 has a hollow structure, and the shape of the hollow structure matches the shape of the sleeve 10 to accommodate the sleeve 10 to enter and exit the sleeve 10 during the test process.

[0028] In this embodiment, the sleeve 10 is in the shape of a cylinder, which is smooth and has no edges or corners. The friction resistance between the sleeve 10 and the sleeve 20 is small when they move relative to each other, which can reduce the interference of external factors in the measurement of the friction coefficient of the grease.

[0029] In this embodiment, grease is applied to the sleeve 10. During testing, the sleeve 20 reciprocates along the axial direction X of the sleeve 10. The outer wall of the sleeve 10 and the inner wall of the sleeve 20 contact and rub against each other. After repeated friction, the friction coefficient of the grease can be tested.

[0030] In this embodiment, the sleeve 10 and the sleeve 20 are standard matching test pieces.

[0031] In this embodiment, the testing device further includes a fixture, and the fixture is used to install the sleeve 10 and the casing 20 on a test bench for testing.

[0032] Specifically, the clamp includes a connecting component and a base plate, the connecting component is used to connect the sleeve 10 and the fixed bracket, and the base plate is used to connect the sleeve 20 and the moving platform.

[0033] refer to Figure 1 and Figure 2 The connecting component includes: a first connecting member 31, which is connected to the fixed bracket; a second connecting member 32, which includes a first surface 321 and a second surface 322 that are oppositely arranged, and the first connecting member 31 is connected to one side of the first surface 321; a third connecting member 33, which is vertically connected to one side of the second surface 322, and the sleeve 10 is installed on the third connecting member 33, and the axial direction X of the sleeve 10 is parallel to the length direction of the second connecting member 32.

[0034] In this embodiment, a first slide groove 323 is further included. The first slide groove 323 is opened on the surface of the second connecting member 32 and passes through the first surface 321 and the second surface 322 . The extension direction of the first slide groove 323 is parallel to the length direction of the second connecting member 32 .

[0035] In this embodiment, the first connecting member 31 includes a first connecting portion 311 and a second connecting portion 312 that are perpendicular to each other. The first connecting portion 311 is threadedly connected to the first sliding groove 323 , and the second connecting portion 312 is threadedly connected to the fixing bracket.

[0036] Specifically, the first connection portion 311 has a plurality of threaded holes, and the threaded holes are fixed to the first sliding groove 323 by bolts.

[0037] In this embodiment, the third connecting member 33 and the second surface 322 of the second connecting member 32 are perpendicular to each other, the third connecting member 33 and the sleeve 10 are perpendicular to each other, and the axial direction X of the sleeve 10 is parallel to the length direction of the second connecting member 32 .

[0038] Specifically, the third connecting member 33 is in the shape of a plate, and has a threaded hole on the side of the third connecting member 33, which is fixedly connected to the first slide groove 323 by bolts; the surface of the third connecting member 33 is provided with a threaded hole that is compatible with the end of the sleeve 10, and the end of the sleeve 10 is threadedly connected to the third connecting member 33.

[0039] In this embodiment, the third connecting member 33 is detachably connected to the first sliding groove 323, and the position of the third connecting member 33 on the first sliding groove 323 can be adjusted at any time, so that it can be applied to sleeves 10 of different lengths.

[0040] In this embodiment, there are two first slide grooves 323, and the two first slide grooves 323 are arranged side by side on the second connecting member 32 along a direction perpendicular to the length direction of the second connecting member 32. This symmetrical arrangement is beneficial to the connection stability of the first connecting member 31 and the third connecting member 33.

[0041] In other embodiments, other numbers of first sliding grooves 323 may also be provided.

[0042] refer to Figure 2 , further comprising: a plurality of positioning blocks 324 , the positioning blocks 324 being located on the second surface 322 of the second connecting member 32 , and the positioning blocks 324 being used to limit the position of the third connecting member 33 on the second connecting member 32 .

[0043] The number of the positioning blocks 324 may be one or more. When the number of the positioning blocks is plural, the positioning blocks 324 are arranged on the second surface 322 at equal intervals.

[0044] In other embodiments, when there are multiple positioning blocks 324, they may also be arranged at unequal intervals.

[0045] In this embodiment, there are multiple positioning blocks 324, and the position of the third connecting member 33 on the second connecting member 32 can be adjusted in multiple gears.

[0046] In this embodiment, the positioning block 324 is vertically arranged between two symmetrically arranged first slide grooves 323. When the third connecting member 33 moves on the first slide groove 323, it abuts against the positioning block 324, thereby limiting the position of the third connecting member 33 and ensuring the perpendicular positional relationship between the third connecting member 33 and the second surface 322 of the second connecting member 32.

[0047] refer to Figure 1 and Figure 2 The testing device further includes a base plate 40 for connecting the sleeve 20 and the moving platform, and the base plate 40 includes a third surface 43 and a fourth surface 44 which are arranged opposite to each other.

[0048] In this embodiment, the sleeve 20 is in the shape of a rectangular parallelepiped, and the sleeve 20 includes a front surface and a back surface that are relatively arranged, and a top surface and a bottom surface that are relatively arranged. The back surface of the sleeve 20 is in contact with the third surface 43 of the substrate 40, and the front surface of the sleeve 20 is opposite to the second surface 322 of the second connecting member 32.

[0049] In this embodiment, the sleeve 20 further includes two end surfaces that are arranged opposite to each other, and the hollow structure of the sleeve 20 penetrates the two end surfaces of the sleeve 20 .

[0050] In this embodiment, the shape of the sleeve 20 is designed to match the installation relationship between the base plate 40. In other embodiments, sleeves of other shapes can also be selected according to actual application conditions.

[0051] In this embodiment, a mounting member 21 is disposed on the top surface of the sleeve 20 , and the mounting member 21 is threadedly connected to the base plate 40 .

[0052] In this embodiment, a step portion 41 is provided on the substrate 40 . The step portion 41 protrudes from the surface of the substrate 40 . The top surface of the step portion 41 is suitable for fitting with the bottom surface of the sleeve 20 .

[0053] In this embodiment, the length direction of the step portion 41 is parallel to the axial direction X of the sleeve 10. When the sleeve 20 is installed on the substrate 40, the bottom surface of the sleeve 20 is attached to the top surface of the step portion 41, thereby ensuring that the installation position of the sleeve 20 on the substrate 40 is correct and the axial direction of the sleeve 20 after installation is parallel to the axial direction X of the sleeve 10.

[0054] In this embodiment, the step portion 41 is an integral long strip structure; in other embodiments, the step portion may also be a plurality of separate block structures.

[0055] In this embodiment, a second slide groove 42 is further included. The second slide groove 42 is disposed on the surface of the substrate 40 , and an extension direction of the second slide groove 42 is parallel to a length direction of the substrate 40 . The second slide groove 42 passes through the third surface 43 and the fourth surface 44 .

[0056] In this embodiment, the length direction of the substrate 40 is parallel to the axial direction X of the sleeve 10 .

[0057] In this embodiment, the base plate 40 is threadedly connected to the moving platform via the second sliding groove 42 .

[0058] In this embodiment, the base plate 40 is a rectangular plate, and the second sliding grooves 42 are respectively disposed at the four corners of the rectangular plate, which is beneficial to the connection stability between the base plate 40 and the mobile platform.

[0059] In other embodiments, the shape of the substrate 40 can be adjusted according to actual needs, such as a trapezoidal plate, a circular plate, etc., and the position of the second slide groove 42 can also be adjusted accordingly. It is only necessary to ensure that the length direction of the second slide groove 42 is parallel to the axial direction X of the sleeve 10.

[0060] In this embodiment, the second sliding groove 42 can adjust the position of the substrate 40 on the moving platform, and the length of the second sliding groove 42 is the movable stroke of the substrate 40 on the moving platform.

[0061] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. A grease tribology testing device, characterized in that: include: A test bench, the test bench comprising a fixed support and a mobile platform; A sleeve, the sleeve is used for applying grease, and the sleeve is connected to the fixing bracket; The sleeve is connected to the moving platform, and the moving platform is suitable for driving the sleeve to reciprocate along the axial direction of the sleeve.

2. The grease tribology testing device according to claim 1, characterized in that: Also includes: A connecting assembly connects the sleeve and the fixing bracket.

3. The grease tribology testing device according to claim 2, characterized in that: The connecting assembly includes: a first connecting member, which is connected to the fixed bracket; a second connecting member, which includes a first surface and a second surface arranged opposite to each other, and the first connecting member is connected to one side of the first surface; a third connecting member, which is vertically connected to one side of the second surface, and the sleeve is installed on the third connecting member, and the axial direction of the sleeve is parallel to the length direction of the second connecting member.

4. The grease tribology testing device according to claim 3, characterized in that: A first slide groove is provided on the second connecting member along the length direction of the second connecting member, the first slide groove runs through the first surface and the second surface, and the third connecting member is detachably installed in the first slide groove.

5. The grease tribology testing device according to claim 3, characterized in that: Also includes: A plurality of positioning blocks are arranged at equal intervals on the second surface, and the positioning blocks are used to limit the position of the third connecting member on the second connecting member.

6. The grease tribology testing device according to claim 3, characterized in that: The first connecting member is threadedly connected to the second connecting member; the second connecting member is threadedly connected to the third connecting member; and the third connecting member is threadedly connected to the sleeve.

7. The grease tribology testing device according to claim 1, characterized in that: Also includes: A base plate is used to connect the sleeve and the moving platform.

8. The grease tribology testing device according to claim 7, characterized in that: The sleeve is provided with a mounting piece, and the mounting piece is threadedly connected to the base plate.

9. The grease tribology testing device according to claim 7, characterized in that: The base plate is provided with a step portion, the step portion protrudes from the surface of the base plate, and the top surface of the step portion is suitable for fitting with the bottom surface of the sleeve.

10. The grease tribology testing device according to claim 7, characterized in that: The substrate has a third surface and a fourth surface that are arranged opposite to each other. A second slide groove is arranged on the substrate along the length direction of the substrate, and the second slide groove runs through the third surface and the fourth surface.

11. The grease tribology testing device according to claim 10, characterized in that: The base plate is threadedly connected to the moving platform through the second sliding groove.

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