A bearing seal ring durability test device

Abstract

The utility model discloses a bearing sealing ring durability test device relates to sealing ring test technical field, the utility model discloses a bottom plate is provided with the mounting panel on the top, the mounting panel surface is fixedly connected with sealing ring body, the bottom plate top is provided with detection mechanism, and the detection mechanism includes the test barrel of setting in sealing ring body surface, the utility model discloses through setting first, second, third detection ring board, and its inner surface roughness increases gradually, and drive mechanism carries sealing ring body and rotates gradually with different ring board contact, and simulates different friction working condition. In the testing process, the sealing performance of the sealing ring after each level of wear can be observed by synchronously injecting water through the liquid inlet pipe and pressurizing. The structure realizes the linkage evaluation of wear resistance grading test and sealing performance, solves the problem of step-by-step testing of multiple existing devices, and significantly improves the testing efficiency and the relevance of data.

Description

Technical Field

[0001] This utility model belongs to the field of sealing ring testing technology, and in particular relates to a bearing sealing ring durability testing device. Background Technology

[0002] Bearing seals are critical components in mechanical equipment, and their performance directly affects the bearing's service life and operational reliability. The main function of the seal is to prevent external contaminants from entering the bearing while minimizing lubricant leakage. In actual operating conditions, the seal needs to withstand the combined effects of dynamic loads, friction and wear, temperature changes, and pressure fluctuations. Therefore, durability testing of the seals is crucial to ensure their reliable performance in practical applications. Durability testing equipment is used to test the seals.

[0003] Existing durability testing equipment can only test one of the following aspects of bearing seals: wear resistance, rotational condition, and pressure resistance. This results in incomplete performance testing of bearing seals. To conduct a comprehensive performance evaluation of the seals, multiple devices must be used for separate testing, increasing testing costs. Therefore, we provide a bearing seal durability testing device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a bearing seal ring durability testing device, which solves the problem of single-test capability in existing durability testing devices through the cooperation of the testing mechanism and the driving mechanism.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.

[0006] This utility model relates to a bearing seal ring durability testing device, comprising a base plate, a mounting plate on the top of the base plate, and a seal ring body fixedly connected to the surface of the mounting plate; a testing mechanism is provided on the top of the base plate, the testing mechanism comprising a test barrel disposed on the surface of the seal ring body, a first testing ring plate fixedly connected to the bottom of the test barrel, a second testing ring plate fixedly connected to the bottom of the first testing ring plate, and a third testing ring plate fixedly connected to the bottom of the second testing ring plate; a driving mechanism is provided at the bottom of the mounting plate, the driving mechanism comprising a threaded rod disposed at the bottom of the mounting plate, and a threaded sleeve rod threadedly connected to the surface of the threaded rod.

[0007] The present invention is further configured such that the detection mechanism includes an inlet pipe connected to the top of the test barrel and a first valve sleeved on the surface of the inlet pipe.

[0008] The present invention is further configured such that the detection mechanism includes a drain pipe connected to the rear side of the test barrel, and a second valve sleeved on the surface of the drain pipe.

[0009] The present invention is further configured such that the driving mechanism includes a motor fixedly connected to the top of the base plate, a connecting frame fixedly connected to one side of the threaded sleeve rod, a cylinder fixedly connected to one side of the connecting frame, and a limiting block fixedly connected to the output end of the cylinder.

[0010] The present invention is further configured such that the driving mechanism includes a vertical plate fixedly connected to one side of the test barrel, and a limiting groove is formed on one side of the vertical plate.

[0011] The present invention is further configured such that the driving mechanism includes a fixing plate fixedly connected to the top of the threaded sleeve rod, and a positioning block fixedly connected to the top of the fixing plate.

[0012] The present invention is further configured such that a bolt is threadedly connected to the bottom of the fixing plate, and a threaded hole is provided at the bottom of the fixing plate.

[0013] The present invention is further configured such that an installation hole is provided on the top of the base plate, and an observation window is fixedly connected to the front side of the test barrel.

[0014] The present invention has the following beneficial effects.

[0015] 1. This utility model uses first, second, and third detection ring plates with progressively increasing inner surface roughness. A drive mechanism causes the sealing ring body to sequentially contact and rotate with each ring plate, simulating different friction conditions. During the test, water can be injected and pressurized simultaneously through the inlet pipe to observe the sealing performance of the sealing ring after each level of wear. This structure achieves a linked evaluation of wear resistance grading and sealing performance, solving the problem of existing equipment requiring multiple units for step-by-step testing. It significantly improves testing efficiency and data correlation. The drive mechanism, via a motor, rotates the threaded rod, causing the threaded sleeve and fixing plate to move downwards, changing the pressure depth of the liquid in the test tank, thus simulating the dynamic pressure changes of the sealing ring under actual working conditions. Simultaneously, after the cylinder controls the limit block to disengage from the limit groove, the motor drives the sealing ring to rotate, and its motion state can be recorded in real time through the observation window. This design integrates pressure testing and rotational wear testing into the same device, reducing equipment switching costs and more realistically reproducing the complex working conditions of the sealing ring.

[0016] 2. This utility model connects the fixing plate and the mounting plate with bolts and positioning blocks, which facilitates quick disassembly and replacement of sealing ring bodies of different specifications; the inlet pipe and outlet pipe at the top of the test barrel facilitate adjustment of the test medium.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a perspective view of a bearing seal ring durability testing device.

[0020] Figure 2 This is a cross-sectional view of the vertical plate in a bearing seal ring durability testing device.

[0021] Figure 3 This is a cross-sectional view of a fixed plate in a bearing seal ring durability testing device.

[0022] Figure 4 This is a diagram showing the disassembled state of the mounting plate in a bearing seal ring durability testing device.

[0023] Figure 5 This is a cross-sectional view of the test barrel in a bearing seal ring durability testing device.

[0024] Figure 6 This is a rear view of the test barrel in a bearing seal ring durability testing device.

[0025] In the attached diagram: 1. Base plate; 2. Mounting plate; 3. Sealing ring body; 4. Detection mechanism; 41. Test barrel; 42. First detection ring plate; 43. Second detection ring plate; 44. Third detection ring plate; 45. Inlet pipe; 46. First valve; 47. Drain pipe; 48. Second valve; 5. Drive mechanism; 51. Threaded rod; 52. Threaded sleeve rod; 53. Motor; 54. Connecting frame; 55. Cylinder; 56. Limiting block; 57. Vertical plate; 58. Limiting groove; 59. Fixing plate; 510. Positioning block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] For a specific implementation example, please refer to Implementation Example 1. Figures 1-6This utility model relates to a bearing seal ring durability testing device, comprising a base plate 1, a mounting plate 2 on the top of the base plate 1, and a seal ring body 3 fixedly connected to the surface of the mounting plate 2. The seal ring body 3 is a mechanical seal used to prevent leakage of liquids, gases, or particles, which is a mature existing technology and will not be described in detail here. The mounting plate 2 is used to fix the seal ring body 3 and provide an installation reference during testing. A testing mechanism 4 is provided on the top of the base plate 1, and the testing mechanism 4 includes a test barrel 41 disposed on the surface of the seal ring body 3. The seal ring body 3 and the test barrel 41 are in close contact. The test barrel 41 simulates the actual working environment of the seal ring body 3. By injecting water to change the pressure conditions, the sealing performance of the seal ring body 3 under different pressures is tested. A first detection ring plate 42 is fixedly connected to the bottom of the test barrel 41, a second detection ring plate 43 is fixedly connected to the bottom of the first detection ring plate 42, and a third detection ring plate 44 is fixedly connected to the bottom of the second detection ring plate 43. The roughness of the inner surfaces of the first detection ring plate 42, the second detection ring plate 43, and the third detection ring plate 44 is different and increases sequentially from top to bottom, which is used to grade and test the wear resistance of the sealing ring body 3. A drive mechanism 5 is provided at the bottom of the mounting plate 2. The drive mechanism 5 includes a threaded rod 51 provided at the bottom of the mounting plate 2 and a threaded sleeve rod 52 threadedly connected to the surface of the threaded rod 51. The threaded rod 51 drives the threaded sleeve rod 52 to move up and down through the drive of the motor 53, thereby adjusting the position of the sealing ring body 3 and simulating different pressure conditions.

[0028] For a specific embodiment two, please refer to Figures 1-6Based on the first specific embodiment, the detection mechanism 4 further includes an inlet pipe 45 connected to the top of the test tank 41, a first valve 46 sleeved on the surface of the inlet pipe 45, an outlet pipe 47 connected to the rear side of the test tank 41, a second valve 48 sleeved on the surface of the outlet pipe 47, and a drive mechanism 5 further includes a motor 53 fixedly connected to the top of the base plate 1, the output end of the motor 53 fixedly connected to the threaded rod 51, the motor 53 providing power, a connecting frame 54 fixedly connected to one side of the threaded rod 52, a cylinder 55 fixedly connected to one side of the connecting frame 54, a limiting block 56 fixedly connected to the output end of the cylinder 55, and a vertical plate 57 fixedly connected to one side of the test tank 41, the bottom of the vertical plate 57 fixedly connected to the base plate 1, and a limiting groove 58 opened on one side of the vertical plate 57 for limiting. The groove 58 is adapted to the size of the limiting block 56. The drive mechanism 5 also includes a fixing plate 59 fixedly connected to the top of the threaded sleeve 52, and a positioning block 510 fixedly connected to the top of the fixing plate 59. The fixing plate 59 is in contact with both the mounting plate 2 and the sealing ring body 3. The bottom of the mounting plate 2 is provided with a positioning groove adapted to the positioning block 510. The bottom of the fixing plate 59 is threaded with bolts and has threaded holes. The bottom of the mounting plate 2 is also provided with threaded holes. The mounting plate 2 and the fixing plate 59 are fixedly connected by bolts. The bolts and threaded holes are used to fix the mounting plate 2 and the fixing plate 59, enhancing the stability of the overall structure. The top of the base plate 1 is provided with mounting holes. The front of the test barrel 41 is fixedly connected with an observation window. The observation window can observe the state of the sealing ring body 3 in real time during the test, which is convenient for recording and analysis.

[0029] The operation process of this embodiment is as follows: connect the external water supply equipment to the liquid inlet pipe 45, fill the space between the test bucket 41 and the mounting plate 2 with water, make the motor 53 work to drive the threaded rod 51 to rotate, and drive the fixing plate 59 and all the structures on the fixing plate 59 to move down as a whole through the threaded sleeve rod 52, thereby changing the depth of water injection, thereby changing the pressure on the top of the sealing ring body 3, and performing a pressure test on the sealing ring body 3.

[0030] The cylinder 55 is activated to move the limit block 56 out of the limit groove 58, and the motor 53 is activated to drive the threaded rod 51 and all the structures on the threaded rod 51 to rotate as a whole, so as to observe the state of the sealing ring body 3 when it rotates.

[0031] Water is drained from the test tank 41 through the drain pipe 47, causing the sealing ring body 3 to move to the first detection ring plate 42, the second detection ring plate 43, and the third detection ring plate 44 respectively, and rotate on each of these plates to conduct different levels of wear resistance tests. After each test, water can be added to observe the sealing performance of the sealing ring body 3. If water leaks after testing at the first detection ring plate 42, the wear resistance is poor; if water leaks after testing at the second detection ring plate 43, the wear resistance is moderate; and if water leaks after testing at the third detection ring plate 44, the wear resistance is good.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A bearing seal ring durability testing device, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a mounting plate (2) on top, and a sealing ring body (3) is fixedly connected to the surface of the mounting plate (2). The bottom plate (1) is provided with a detection mechanism (4) on the top. The detection mechanism (4) includes a test barrel (41) disposed on the surface of the sealing ring body (3), a first detection ring plate (42) fixedly connected to the bottom of the test barrel (41), a second detection ring plate (43) fixedly connected to the bottom of the first detection ring plate (42), and a third detection ring plate (44) fixedly connected to the bottom of the second detection ring plate (43). The mounting plate (2) is provided with a driving mechanism (5) at the bottom. The driving mechanism (5) includes a threaded rod (51) provided at the bottom of the mounting plate (2) and a threaded sleeve (52) threadedly connected to the surface of the threaded rod (51).

2. The bearing seal ring durability testing device according to claim 1, characterized in that, The testing mechanism (4) also includes an inlet pipe (45) connected to the top of the test barrel (41) and a first valve (46) sleeved on the surface of the inlet pipe (45).

3. The bearing seal ring durability testing device according to claim 1, characterized in that, The testing mechanism (4) also includes a drain pipe (47) connected to the rear side of the test barrel (41) and a second valve (48) sleeved on the surface of the drain pipe (47).

4. The bearing seal ring durability testing device according to claim 1, characterized in that, The drive mechanism (5) also includes a motor (53) fixedly connected to the top of the base plate (1), a connecting frame (54) fixedly connected to one side of the threaded sleeve (52), a cylinder (55) fixedly connected to one side of the connecting frame (54), and a limiting block (56) fixedly connected to the output end of the cylinder (55).

5. The bearing seal ring durability testing device according to claim 1, characterized in that, The drive mechanism (5) also includes a vertical plate (57) fixedly connected to one side of the test barrel (41) and a limiting groove (58) opened on one side of the vertical plate (57).

6. The bearing seal ring durability testing device according to claim 1, characterized in that, The drive mechanism (5) further includes a fixing plate (59) fixedly connected to the top of the threaded sleeve (52), and a positioning block (510) fixedly connected to the top of the fixing plate (59).

7. The bearing seal ring durability testing device according to claim 6, characterized in that, The bottom of the fixing plate (59) is threaded with bolts, and the bottom of the fixing plate (59) has threaded holes.

8. The bearing seal ring durability testing device according to claim 1, characterized in that, The base plate (1) has an installation hole at the top, and the test bucket (41) has an observation window fixedly connected to the front side.

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