Oil seal wear resistance test device

Abstract

The utility model relates to the technical field of oil seals, in particular to an oil seal wear resistance test device, which comprises a bottom plate, a support frame and a motor are fixedly connected onto the bottom plate, a rotating shaft is fixedly connected onto an output shaft of the motor, a plurality of test shafts are fixedly connected onto the rotating shaft, and the test shafts are fixedly connected onto the bottom plate. A plurality of testing shafts are arranged on the supporting frame, the diameters of the testing shafts are different, the supporting frame is connected with an oil seal through a moving mechanism, the oil seal is fixed through a fixing mechanism, and the testing shafts are sleeved with the oil seal. The oil seal wear resistance testing device can be used for testing wear resistance of oil seals of different specifications, and the application range of the device is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil seal technical field especially relates to a kind of oil seal wear test device. BACKGROUND

[0002] Oil seal is the customary appellation of general seal, simply it is the seal of lubricating oil. It is used to seal grease mechanical element, it separates the component that needs lubrication in transmission component from output component, so as not to let lubricating oil leak. When oil seal production is carried out, the wear resistance of oil seal needs to be detected, when detection is carried out, wear test is carried out to oil seal by simulating rotating shaft rotation, but due to the size of rotating shaft is fixed, only the oil seal of fixed specification can be abutted to carry out sealing, so that only the wear resistance test of oil seal of fixed specification can be carried out, thereby the use range of test device is affected. UTILITY MODEL CONTENT

[0003] The utility model aims at solving the shortcoming that only the wear resistance test of oil seal of fixed specification can be carried out in prior art, thereby the use range of test device is affected, and proposes a kind of oil seal wear test device.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] Design a kind of oil seal wear test device, including bottom plate, the bottom plate is fixedly connected with support frame, the bottom plate is fixedly connected with motor, the output shaft of motor is fixedly connected with rotating shaft, the rotating shaft is fixedly connected with multiple test shafts, the diameter of multiple test shafts is not same, the support frame is connected with oil seal by moving mechanism, the oil seal is fixed by fixed mechanism, the oil seal is sleeved on the test shaft.

[0006] Preferably, the diameter of the test shaft increases from top to bottom.

[0007] Preferably, the fixed mechanism includes connecting shell, the connecting shell is fixedly connected with fixed air bag, the fixed air bag is annular structure, the oil seal is located in the fixed air bag, and the fixed air bag is inflated by inflation mechanism.

[0008] Preferably, the inflation mechanism includes cylinder, the cylinder is fixedly connected on the connecting shell, the piston is abutted in the cylinder, the threaded column is fixedly connected on the piston, the fixed frame is threadedly penetrated and connected on the threaded column, the fixed frame is fixedly connected on the cylinder, and the cylinder is communicated with the fixed air bag by connecting pipe.

[0009] Preferably, the moving mechanism comprises a threaded rod, a fixed lug is threadedly connected to the threaded rod, the fixed lug is fixedly connected to the connecting shell, the threaded rod is rotatably connected to the support frame through a bearing, and the connecting shell is limited by a limiting mechanism.

[0010] Preferably, the limiting mechanism comprises a stand, the stand is fixedly connected to the support frame, and the stand penetrates through the fixed lug.

[0011] Preferably, the rotating shaft and the support frame are connected through a thrust ball bearing.

[0012] The oil seal wear resistance test device has the beneficial effects that different diameter test shafts are matched with different specifications of oil seals to select the oil seal according to the specifications, and the wear resistance of oil seals of different specifications is tested, and the use range of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model provides a kind of oil seal wear resistance test device structure schematic view;

[0014] Figure 2 The utility model provides a kind of oil seal wear resistance test device (connecting shell and cylinder) half cutaway perspective view;

[0015] Figure 3 The utility model provides a kind of oil seal wear resistance test device Figure 2 Front view.

[0016] In the drawing: 1, bottom plate;2, support frame;3, stand;4, test shaft;5, rotating shaft;6, motor;7, threaded rod;8, fixed lug;9, connecting shell;10, fixed air bag;11, oil seal;12, cylinder;13, threaded column;14, fixed frame;15, piston;16, connecting pipe. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] Embodiment 1: refer to Figures 1-3The utility model provides an oil seal wear resistance test device, including the bottom plate 1, the support frame 2 is fixedly connected on the bottom plate 1, the motor 6 is fixedly connected on the bottom plate 1, the output shaft of motor 6 is fixedly connected with the rotating shaft 5, a plurality of test shafts 4 are fixedly connected on the rotating shaft 5, the diameter of test shaft 4 increases gradually from top to bottom, the diameter of a plurality of test shafts 4 is not same, the oil seal 11 is connected through the moving mechanism on the support frame 2, the oil seal 11 is fixed through the fixed mechanism, the oil seal 11 is set on test shaft 4, and the oil seal 11 of different specifications is matched with the test shaft 4 of different diameters and is abutted, so as to select according to the specification of oil seal 11, and the wear resistance of the oil seal of different specifications is tested, and the use range of the device is improved.

[0019] The fixed mechanism includes a connecting shell 9, a fixed air bag 10 is fixedly connected in the connecting shell 9, the fixed air bag 10 is annular structure, the oil seal 11 is located in the fixed air bag 10, the fixed air bag 10 is inflated through the inflation mechanism, and the fixed air bag 10 is abutted and fixed to different models of oil seal 11 by inflating into the fixed air bag 10, so that the oil seal 11 is relatively rotated with the test shaft 4.

[0020] The inflation mechanism includes a cylinder 12, the cylinder 12 is fixedly connected on the connecting shell 9, the piston 15 is abutted in the cylinder 12, the threaded column 13 is fixedly connected on the piston 15, the fixed frame 14 is threadedly penetrated and connected on the threaded column 13, the fixed frame 14 is fixedly connected on the cylinder 12, the cylinder 12 is communicated with the fixed air bag 10 through the connecting pipe 16, the piston 15 is moved by rotating the threaded column 13, so that the air in the cylinder 12 is extruded into the fixed air bag 10, the fixed air bag 10 is inflated, and the oil seal 11 is fixed.

[0021] Embodiment 2: refer to Figures 1-3 As another preferred embodiment of the utility model, on the basis of embodiment 1, the moving mechanism includes a threaded rod 7, the fixed lug 8 is threadedly penetrated and connected on the threaded rod 7, the fixed lug 8 is fixedly connected on the connecting shell 9, the threaded rod 7 is rotatably connected with the support frame 2 through the bearing, the connecting shell 9 is limited by the limiting mechanism, the position of the fixed lug 8 on the threaded rod 7 is adjusted by rotating the threaded rod 7, so as to drive the connecting shell 9 to move, the position of the connecting shell 9 is adjusted, and the oil seal 11 is set on the test shaft 4 of different diameters.

[0022] When the wear resistance test is performed, the threaded rod 13 is rotated to drive the piston 15 to move, so that the piston 15 is moved, the air in the cylinder 12 is extruded into the fixed air bag 10, the fixed air bag 10 is inflated, the oil seal 11 is fixed, then the threaded rod 7 is rotated to adjust the position of the fixed lug 8 on the threaded rod 7, so that the connecting shell 9 is driven to move, the position of the connecting shell 9 is adjusted, and the oil seal 11 is sleeved on the corresponding test shaft 4, the test shaft 4 is rotated by the motor 6, after the test is completed, the size of the oil seal lip before and after the test is detected, and the wear resistance of the oil seal is evaluated according to the size change data.

[0023] Embodiment 3: refer to Figures 1-3 As another preferred embodiment of the utility model, on the basis of embodiment 2, the limiting mechanism includes a stand column 3, the stand column 3 is fixedly connected to the support frame 2, and the stand column 3 penetrates through the fixed lug 8. The stand column 3 plays a limiting role, and the rotating of the connecting shell 9 when the threaded rod 7 is rotated is prevented.

[0024] The rotating shaft 5 and the support frame 2 are connected through a thrust ball bearing. When the oil seal 11 is driven to move, the rotating shaft 5 is easily subjected to axial force, and the thrust ball bearing is adopted to bear the axial force, so that the damage of the bearing is prevented.

[0025] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An oil seal wear test apparatus comprising a base plate (1), characterised in that, A support frame (2) is fixedly connected to the base plate (1), a motor (6) is fixedly connected to the base plate (1), a rotating shaft (5) is fixedly connected to the output shaft of the motor (6), and multiple test shafts (4) are fixedly connected to the rotating shaft (5). The diameters of the multiple test shafts (4) are all different. An oil seal (11) is connected to the support frame (2) through a moving mechanism. The oil seal (11) is fixed by a fixing mechanism and is sleeved on the test shaft (4).

2. The oil seal wear test apparatus of claim 1, wherein The diameter of the test shaft (4) increases sequentially from top to bottom.

3. The oil seal wear test apparatus of claim 1, wherein The fixing mechanism includes a connecting shell (9), and a fixing airbag (10) is fixedly connected inside the connecting shell (9). The fixing airbag (10) has an annular structure. The oil seal (11) is located inside the fixing airbag (10). The fixing airbag (10) is inflated by an inflation mechanism.

4. The apparatus of claim 3, wherein the oil seal is mounted on the shaft. The inflation mechanism includes a cylinder (12) which is fixedly connected to the connecting shell (9). A piston (15) is abutted inside the cylinder (12). A threaded column (13) is fixedly connected to the piston (15). A fixing frame (14) is threaded through the threaded column (13). The fixing frame (14) is fixedly connected to the cylinder (12). The cylinder (12) is connected to the fixed airbag (10) through a connecting pipe (16).

5. An oil seal wear resistance testing device according to any one of claims 1-4, characterized in that, The moving mechanism includes a threaded rod (7), on which a fixed lug (8) is threadedly connected. The fixed lug (8) is fixedly connected to the connecting shell (9). The threaded rod (7) is rotatably connected to the support frame (2) through a bearing. The connecting shell (9) is limited by a limiting mechanism.

6. The oil seal wear resistance testing device according to claim 5, characterized in that, The limiting mechanism includes a column (3), which is fixedly connected to the support frame (2) and passes through the fixing lug (8).

7. The oil seal wear resistance testing device according to claim 1, characterized in that, The rotating shaft (5) is connected to the support frame (2) by a thrust ball bearing.

Images