Lubricating oil cleanliness detection device

By designing a lubricating oil cleanliness detection device, which uses changes in foam content to determine the cleanliness of lubricating oil, the problem of inaccuracy in existing detection methods is solved, and high-precision lubricating oil detection is achieved.

CN223897446UActive Publication Date: 2026-02-10JINAN YUANTAI ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520341202.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-10
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing methods for testing lubricating oil are too simplistic, leading to inaccurate results.

Method used

A lubricating oil cleanliness detection device was designed. The device uses an air vent pipe and a nozzle to blow air into the lubricating oil to form foam under the action of an air pump. The cleanliness of the lubricating oil is judged by a barometer. The oil storage cylinder is stabilized by an elastic positioning plate and a pressing plate structure to prevent shaking.

Benefits of technology

This improves the accuracy and stability of lubricating oil cleanliness testing, ensuring the reliability of test results.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model belongs to the technical field of lubricating oil detection, particularly relates to a lubricating oil cleanliness detection device, and aims to solve the problem that the detection result is inaccurate easily due to the fact that the detection mode provided by the background technology is too simple, the following scheme is provided: the lubricating oil cleanliness detection device comprises a frame body, and a water bath heating cylinder is mounted on one side of the outer wall of the top of the frame body; and oil storage cylinders distributed at equal intervals are slidably connected to the inner wall of the water bath heating cylinder. Under the action of an air pump of the air pump box, the deflation pipe and the spray head can blow air to lubricating oil to form foam, the cleanliness of the lubricating oil is judged according to the foam content change of the lubricating oil, a good cleanliness detection effect is achieved, the accuracy of a detection result is improved, the oil storage cylinder is positioned through the elastic positioning piece, and on the basis, the detection efficiency is improved. The height of the four-corner pressing piece can be adjusted by rotating the bottom pressing cap and the top pressing cap, then the height of the oil storage barrel is limited, high stability is achieved, and lubricating oil in the oil storage barrel is prevented from shaking in the detection process.
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Description

Technical Field

[0001] This utility model relates to the field of lubricating oil testing technology, and in particular to a lubricating oil cleanliness testing device. Background Technology

[0002] Lubricating oil is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. Its main functions include lubrication, auxiliary cooling, rust prevention, cleaning, sealing, and buffering. Essentially, it is used between two relatively moving objects to reduce friction and wear caused by contact.

[0003] The quality of lubricating oil is generally judged by observing the amount of mixtures in the oil and its color. However, this method only provides surface data and is too simplistic, which can easily lead to inaccurate results. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a lubricating oil cleanliness detection device, which overcomes the shortcomings of the prior art and effectively solves the problem that the detection method is too simple and easily leads to inaccurate detection results.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A lubricating oil cleanliness testing device includes a frame, a water bath heating cylinder installed on one side of the top outer wall of the frame, and oil storage cylinders slidably connected to the inner wall of the water bath heating cylinder at equal intervals. A cover plate is placed on the top outer wall of the oil storage cylinder, and a vent pipe is provided through the inner wall of the cover plate. A nozzle is fixedly connected to the bottom outer wall of the vent pipe, an air inlet pipe is inserted into the top outer wall of the vent pipe, and a barometer is fixedly connected to the outer wall of one end of the air inlet pipe. An air pump box is fixedly connected to the bottom outer wall of the barometer.

[0007] An array of elastic positioning plates is fixedly connected to the inner wall of the bottom of the water bath heating cylinder, and a pressing component is provided at the center of the outer wall of the top of the water bath heating cylinder.

[0008] Preferably, the pressing component includes a screw rod fixedly connected to the outer wall of the top of the water bath heating cylinder, a bottom pressure cap and a top pressure cap respectively screwed to the outer wall of the screw rod, and four corner pressure plates disposed between the bottom pressure cap and the top pressure cap, and the four corner pressure plates are slidably connected to the outer wall of the screw rod.

[0009] Preferably, the bottom of the outer wall of the oil reservoir is in close contact with the outer wall of the elastic positioning plate.

[0010] Preferably, the four corner pressure plates are tightly attached to the top outer wall of the cover plate.

[0011] Preferably, an electric heater is installed on the inner wall of the bottom of the water bath heating cylinder.

[0012] Preferably, an electrical control cabinet is fixedly connected to the inner wall of the top of the frame by screws, and the electrical control cabinet is connected to the air pump and electric heater of the air pump box by signal lines.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The lubricating oil cleanliness testing device designed in this paper has multiple oil storage tanks containing lubricating oil. When the vent pipe and nozzle are inserted into the oil storage tank, the vent pipe and nozzle can blow air into the lubricating oil to form foam under the action of the air pump in the air pump box. The cleanliness of the lubricating oil can be judged by the change in the foam content of the lubricating oil. It has a very good cleanliness testing effect and improves the accuracy of the test results.

[0015] 2. The lubricating oil cleanliness testing device designed in this paper uses elastic positioning plates to position the oil storage cylinder inside the water bath heating cylinder. Based on this, the height of the four corner pressure plates can be adjusted by rotating the bottom pressure cap and the top pressure cap, thereby limiting the height of the oil storage cylinder. It has high stability and prevents the lubricating oil in the oil storage cylinder from shaking during the testing process. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a lubricating oil cleanliness testing device proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the water bath heating cylinder connection structure of a lubricating oil cleanliness testing device proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the water bath heating cylinder of the lubricating oil cleanliness detection device proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the oil storage tank of the lubricating oil cleanliness detection device proposed in this utility model;

[0020] Figure 5 This is a schematic diagram of the disassembled structure of the lower pressure component of the lubricating oil cleanliness detection device proposed in this utility model.

[0021] In the diagram: 1. Frame; 2. Water bath heating cylinder; 3. Oil storage tank; 4. Cover plate; 5. Vent pipe; 6. Nozzle; 7. Air inlet pipe; 8. Barometer; 9. Air pump box; 10. Elastic positioning plate; 11. Lower pressure component; 12. Screw; 13. Bottom pressure cap; 14. Top pressure cap; 15. Four corner pressure plates; 16. Electric heater; 17. Electrical control cabinet. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example 1, refer to Figures 1-4 A lubricating oil cleanliness testing device includes a frame 1. A water bath heating cylinder 2 is installed on one side of the top outer wall of the frame 1. Oil storage cylinders 3 are slidably connected to the inner wall of the water bath heating cylinder 2 and are distributed at equal intervals. A cover plate 4 is placed on the top outer wall of the oil storage cylinders 3. A vent pipe 5 is provided through the inner wall of the cover plate 4. A nozzle 6 is fixedly connected to the bottom outer wall of the vent pipe 5. An air inlet pipe 7 is inserted into the top outer wall of the vent pipe 5. A barometer 8 is fixedly connected to the outer wall of one end of the air inlet pipe 7. An air pump box 9 is fixedly connected to the bottom outer wall of the barometer 8.

[0024] In this embodiment, multiple oil storage cylinders 3 containing lubricating oil are designed. When the vent pipe 5 and the nozzle 6 are inserted into the oil storage cylinder 3, the vent pipe 5 and the nozzle 6 can blow air into the lubricating oil to form foam under the action of the air pump box 9. The cleanliness of the lubricating oil can be judged by the change in the foam content of the lubricating oil, which has a good cleanliness detection effect and improves the accuracy of the detection results.

[0025] Example 2, refer to Figures 2-3 A lubricating oil cleanliness testing device, wherein an array of elastic positioning plates 10 are fixedly connected to the inner wall of the bottom of the water bath heating cylinder 2, and a pressing member 11 is provided at the center of the outer wall of the top of the water bath heating cylinder 2.

[0026] In this embodiment, the oil storage cylinder 3 is positioned inside the water bath heating cylinder 2 using an elastic positioning plate 10. Based on this, the height of the four corner pressure plates 15 can be adjusted by rotating the bottom pressure cap 13 and the top pressure cap 14, thereby limiting the height of the oil storage cylinder 3. This provides high stability and prevents the lubricating oil in the oil storage cylinder 3 from shaking during the testing process.

[0027] Reference Figure 5 The lower pressure component 11 includes a screw rod 12 fixedly connected to the top outer wall of the water bath heating cylinder 2, a bottom pressure cap 13 and a top pressure cap 14 respectively screwed to the outer wall of the screw rod 12, and four corner pressure plates 15 disposed between the bottom pressure cap 13 and the top pressure cap 14, and the four corner pressure plates 15 are slidably connected to the outer wall of the screw rod 12.

[0028] Reference Figure 3 The bottom of the outer wall of the oil storage tank 3 is tightly attached to the outer wall of the elastic positioning plate 10.

[0029] Reference Figure 5 The four corner pressure plates 15 are tightly attached to the top outer wall of the cover plate 4.

[0030] Reference Figure 3 An electric heater 16 is installed on the inner wall of the bottom of the water bath heating cylinder 2.

[0031] Reference Figures 1-3 The top inner wall of the frame 1 is fixedly connected to the electrical control cabinet 17 by screws, and the electrical control cabinet 17 is connected to the air pump and electric heater 16 of the air pump box 9 by signal lines.

[0032] Working principle: First, lubricating oil is added to the oil storage tank 3. Then, the oil storage tank 3 is placed in the water bath heating tank 2 and clamped by the elastic positioning plate 10. After the vent pipe 5 and the nozzle 6 are inserted into the oil storage tank 3, the electric heater 16 is started to heat the water in the oil storage tank 3. When the lubricating oil reaches the specified temperature, the air inlet pipe 7 at the bottom of the barometer 8 is connected to the vent pipe 5. The vent pipe 5 and the nozzle 6 can blow air into the lubricating oil to form foam. During this process, the air pressure is adjusted, and the cleanliness of the lubricating oil is judged by the change in the foam content of the lubricating oil.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A lubricating oil cleanliness testing device, comprising a frame (1), characterized in that, A water bath heating cylinder (2) is installed on one side of the top outer wall of the frame (1), and oil storage cylinders (3) are slidably connected to the inner wall of the water bath heating cylinder (2). A cover plate (4) is placed on the top outer wall of the oil storage cylinder (3), and a vent pipe (5) is provided through the inner wall of the cover plate (4). A nozzle (6) is fixedly connected to the bottom outer wall of the vent pipe (5). An air inlet pipe (7) is inserted into the top outer wall of the vent pipe (5), and a barometer (8) is fixedly connected to the outer wall of one end of the air inlet pipe (7). An air pump box (9) is fixedly connected to the bottom outer wall of the barometer (8). The bottom inner wall of the water bath heating cylinder (2) is fixedly connected with an array of elastic positioning plates (10), and a pressing member (11) is provided at the center of the top outer wall of the water bath heating cylinder (2).

2. The lubricating oil cleanliness detection device according to claim 1, characterized in that, The lower pressure component (11) includes a screw rod (12) fixedly connected to the top outer wall of the water bath heating cylinder (2), a bottom pressure cap (13) and a top pressure cap (14) respectively screwed to the outer wall of the screw rod (12), and four corner pressure plates (15) disposed between the bottom pressure cap (13) and the top pressure cap (14), and the four corner pressure plates (15) are slidably connected to the outer wall of the screw rod (12).

3. The lubricating oil cleanliness detection device according to claim 1, characterized in that, The bottom of the outer wall of the oil storage cylinder (3) is in close contact with the outer wall of the elastic positioning piece (10).

4. The lubricating oil cleanliness detection device according to claim 2, characterized in that, The four corner pressure plates (15) are tightly attached to the top outer wall of the cover plate (4).

5. The lubricating oil cleanliness detection device according to claim 1, characterized in that, An electric heater (16) is installed on the inner wall of the bottom of the water bath heating cylinder (2).

6. The lubricating oil cleanliness detection device according to claim 1, characterized in that, The top inner wall of the frame (1) is fixedly connected to the electrical control cabinet (17) by screws, and the electrical control cabinet (17) is connected to the air pump and electric heater (16) of the air pump box (9) by signal lines.