Bearing immersion test device

Abstract

The utility model discloses a bearing immersion test device which comprises a driving motor and a base, the base is provided with a water tank, at least two mandrels are rotatably arranged in the water tank, the mandrels are in transmission connection with the driving motor, and the mandrels are provided with a plurality of test stations matched with inner rings of tested bearings. Isolation sleeves used for being matched with an outer ring of a test bearing are arranged on the test stations in a matched mode, extension arms are arranged on the outer walls of the isolation sleeves, every two isolation sleeves form a group, and a spring is connected between the extension arms of each group of isolation sleeves. The water immersion test device is simple in structure and reasonable in layout, can perform a water immersion test more efficiently, and has a good use effect.

Description

Technical Field

[0001] The utility model relates to a bearing water immersion test device. Background Art

[0002] The bearing waterproof test requires that the test bearing be semi-immersed in muddy water. This is different from the conventional water spray waterproof test, which only accepts the erosion of water flow. Furthermore, it is necessary to apply axial load at the radial position of the test bearing to simulate the actual operating conditions and conduct sufficient testing to ensure the reliability of the bearing. The existing test equipment has low detection efficiency and can only test a single pair of bearings. At the same time, the existing structure is bloated and cumbersome, which reduces the reliability of the equipment. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a bearing immersion test device, which has a simple structure and a reasonable layout, can perform immersion tests more efficiently, and has good use effects.

[0004] To achieve the above-mentioned purpose, the utility model provides a bearing immersion test device, including a driving motor and a base, a water tank is provided on the base, at least two core shafts are rotatably provided in the water tank, the core shafts are transmission-connected to the driving motor, a plurality of test stations that cooperate with the inner ring of the test bearing are provided on the core shaft, the test stations are cooperated with isolation sleeves for cooperating with the outer ring of the test bearing, extension arms are provided on the outer wall of the isolation sleeves, the isolation sleeves are grouped in pairs, and a spring is connected between the extension arms of each group of isolation sleeves.

[0005] The beneficial effect of this arrangement is: by adding muddy water into the water tank, the muddy water level reaches the core shaft position, and by installing the bearing to be tested on the test station and cooperating with the isolation sleeve, the bearing is positioned, and the spring on the extension arm on the isolation sleeve is further connected to achieve axial loading of the bearing to be tested. According to the use requirements, the isolation sleeve can be replaced to adjust the length of the extension arm to meet the test requirements of axial loading at various positions. This structure is simple and the test is convenient. One core shaft can be equipped with multiple test bearings, which improves the detection efficiency and has a good test effect.

[0006] As a further configuration of the present invention, a stop shaft is provided at the core shaft position corresponding to the water tank, and a spring for clamping between the end face of the outer ring of the test bearing and the isolation sleeve is also provided in the isolation sleeve. A connecting flange is formed on the spring, and a connecting hole is provided on the connecting flange. The connecting hole and the stop shaft are connected by a pull rope.

[0007] The beneficial effect of this arrangement is that, by setting a spring and connecting it to the anti-rotation shaft through a pull rope, the outer ring of the test bearing can be fixed to prevent rotation, preventing the outer ring from rotating with it and affecting the test effect. At the same time, the structure is simple and the layout is convenient, which effectively improves the use effect of the structure.

[0008] As a further configuration of the present invention, a stirring frame is further provided on the base, a stirring pump is provided on the stirring frame, an output shaft of the stirring pump is inserted into the water tank, and a stirring blade is provided at the end of the output shaft of the stirring pump.

[0009] The beneficial effect of such a setting is that such a setting can ensure the uniformity of mud and water through stirring, ensure the test effect, and at the same time, the structure is simple, easy to implement, and has good use effect.

[0010] As a further configuration of the present invention, the core shafts are connected via a belt drive.

[0011] The beneficial effects of such an arrangement are as follows: such an arrangement ensures stable and reliable transmission, good drive consistency between the core shafts, ensures the use effect of the structure, ensures the accuracy of the test, and has a good use effect.

[0012] As a further configuration of the present invention, an anti-slip pad is provided on the bottom surface of the base.

[0013] The beneficial effects of such an arrangement are: such an arrangement ensures the stability of the structure and avoids large shaking of the structure during use; at the same time, the structure is simple, easy to implement, convenient to process, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0015] Figure 2 A schematic cross-sectional view of the core shaft position according to an embodiment of the present invention;

[0016] Figure 3 This is a schematic cross-sectional view of the stirring pump position according to an embodiment of the present invention;

[0017] Figure 4 This is a partial enlarged view of the position of the isolation sleeve in the embodiment of the present utility model;

[0018] Figure 5 It is a structural schematic diagram of the core shaft in an embodiment of the present utility model. DETAILED DESCRIPTION

[0019] The utility model provides an embodiment of a bearing immersion test device, such as Figures 1 to 5As shown, it includes a driving motor 2 and a base 1, a water tank 11 is provided on the base 1, at least two core shafts 3 are rotatably provided in the water tank 11, the core shaft 3 is transmission-connected to the driving motor 2, and a plurality of test stations 31 that cooperate with the inner ring of the test bearing are provided on the core shaft 3, and the test station 31 is cooperated with an isolation sleeve 4 for cooperating with the outer ring of the test bearing, and an extension arm 41 is provided on the outer wall of the isolation sleeve 4, and the isolation sleeves 4 are grouped in pairs, and a spring 42 is connected between the extension arms 41 of each group of isolation sleeves 4. The beneficial effect of this arrangement is: by adding muddy water into the water tank 11, the muddy water level reaches the position of the core shaft 3, and by installing the bearing to be tested on the test station 31 and cooperating with the isolation sleeve 4, the bearing is positioned, and the spring 42 on the extension arm 41 on the isolation sleeve 4 is further connected to achieve axial loading of the bearing to be tested. According to the use requirements, the isolation sleeve 4 can be replaced to adjust the length of the extension arm 41 to meet the test requirements of axial loading at various positions. This structure is simple and the test is convenient. A core shaft 3 can be equipped with multiple test bearings, which improves the detection efficiency and has a good test effect.

[0020] As a further configuration of this embodiment, a stop shaft 6 is provided at the position of the water tank 11 corresponding to the core shaft 3. A spring 43 for clamping between the end face of the outer ring of the test bearing and the isolation sleeve 4 is also provided in the isolation sleeve 4. A connecting flange 44 is formed on the spring 43, and a connecting hole is formed on the connecting flange 44. The connecting hole is connected to the stop shaft 6 by a pull rope. The beneficial effect of this configuration is that by providing the spring 43 and connecting it to the stop shaft 6 via a pull rope, the outer ring of the test bearing can be fixed and prevented from rotating, thereby preventing the outer ring from rotating with it and affecting the test effect. At the same time, the structure is simple and the layout is convenient, effectively improving the use effect of the structure.

[0021] As a further configuration of this embodiment, a stirring frame 12 is further provided on the base 1, and a stirring pump 5 is provided on the stirring frame 12. The output shaft of the stirring pump 5 is inserted into the water tank 11, and a stirring blade 51 is provided at the end of the output shaft of the stirring pump 5. The beneficial effect of this configuration is that it can ensure the uniformity of muddy water by stirring, ensure the test effect, and at the same time, the structure is simple, easy to implement, and has a good use effect.

[0022] As a further configuration of this embodiment, the core shafts 3 are connected by a belt 7. The beneficial effect of this configuration is that the transmission is stable and reliable, the drive consistency between the core shafts 3 is good, the use effect of the structure is guaranteed, the accuracy of the test is guaranteed, and good use effect is achieved.

[0023] As a further configuration of this embodiment, an anti-skid pad is provided on the bottom surface of the base 1. The beneficial effect of this configuration is that it ensures the stability of the structure and prevents the structure from shaking greatly during use. At the same time, the structure is simple, easy to implement, convenient to process, and has a good use effect.

[0024] The above example is only one preferred specific example of the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A bearing immersion test device, comprising a drive motor and a base, characterized in that: A water tank is provided on the base, at least two core shafts are rotatably provided in the water tank, the core shafts are connected to the drive motor, a number of test stations that cooperate with the inner ring of the test bearing are provided on the core shaft, and the test stations are cooperated with isolation sleeves for cooperating with the outer ring of the test bearing. Extension arms are provided on the outer wall of the isolation sleeves, the isolation sleeves are grouped in pairs, and a spring is connected between the extension arms of each group of isolation sleeves.

2. The bearing water immersion test device according to claim 1, characterized in that: A stop shaft is provided at the core shaft position corresponding to the water tank, and a spring for clamping between the end face of the outer ring of the test bearing and the isolation sleeve is also provided in the isolation sleeve. A connecting flange is formed on the spring, and a connecting hole is opened on the connecting flange. The connecting hole and the stop shaft are connected by a pull rope.

3. The bearing water immersion test device according to claim 1, characterized in that: The base is also provided with a stirring frame, and the stirring frame is provided with a stirring pump. The output shaft of the stirring pump is inserted into the water tank, and the end of the output shaft of the stirring pump is provided with a stirring blade.

4. The bearing water immersion test device according to claim 1, characterized in that: The core shafts are connected via belt transmission.

5. The bearing water immersion test device according to claim 1, characterized in that: An anti-slip pad is provided on the bottom surface of the base.

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